Hitachi FSG1 Series Technical Catalogue
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Hitachi FSG1 Series Technical Catalogue

Hitachi FSG1 Series Technical Catalogue

Set-free outdoor and indoor units
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Table of Contents

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SET-FREE
FSG(1)/FXG(1) SERIES
Technical Catalog
Outdoor Units: 5 ~ 30 HP
Indoor Units Type:
• 4-Way Cassette
• 2-Way Cassette
• Ceiling
• In-the-Ceiling
• Wall
• Floor
• Floor Concealed

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Table of Contents
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Summary of Contents for Hitachi FSG1 Series

  • Page 1 SET-FREE FSG(1)/FXG(1) SERIES Technical Catalog Outdoor Units: 5 ~ 30 HP Indoor Units Type: • 4-Way Cassette • 2-Way Cassette • Ceiling • In-the-Ceiling • Wall • Floor • Floor Concealed...
  • Page 3 HITACHI may bring the latest innovations to their customers Whilst every effort is made to ensure that all dimensions and specifications are correct, any printers' errors not rectified are outside the control of HITACHI, who cannot be held responsible for same...
  • Page 5 IMPORTANT NOTICE IMPORTANT NOTICE SAFETY SUMMARY n HITACHI pursues a policy of continuing improvement in DANGER: design and performance of products. The right is – Use refrigerant R407C in the refrigerant cycle. Do not therefore reserved to vary specifications without notice.

  • Page 6: Table Of Contents

    CONTENTS 0 CONTENTS PART I TECHNICAL DATA ELECTRICAL WIRING SYSTEM DESCRIPTION _____________ 1/1 DIAGRAMS _______________________ 7/1 Features and Benefits _______________ 1/2 Features on Indoor Units and Outdoor REFRIGERANT CYCLE______________ 8/1 Units _____________________________ 1/8 Outdoor Units ______________________ 8/2 Name of parts _____________________ 1/13 CH - Units _________________________ 8/9 GENERAL DATA ___________________ 2/1 CONTROL SYSTEM ________________ 9/1...
  • Page 7 CONTENTS PART II INSTALATION DATA UNITS INSTALLATION _____________ 12/1 INSTALLATION OF OPTIONAL REMOTE 12.1 Transportation and Handling _________ 12/3 CONTROLLER____________________ 16/1 12.2 RCI (4-Way Cassette Type) __________ 12/4 12.3 RCD (2-Way Cassette Type) _________ 12/8 16.1 Installation of Remote Control Switch 12.4 RPC (Ceiling Type)________________ 12/12 <PC-P1HE>...
  • Page 8 CONTENTS NOTE: Please check, according to the model name, which is your air conditioner type and how it is MODELS CODIFICATION abbreviated and referred to in this technical catalogue. INDOOR UNITS FSN(E) / FSG2(E/M) / FSG2Ei Series 4-Way-Cassette 2-Way-Cassette Ceiling In-The-Ceiling Code Code...
  • Page 9 CONTENTS OUTDOOR UNITS FSG/FSG1/FXG/FXG1 RAS–5FSG 60271994 RAS–8FSG 60271995 RAS–8FXG 60272062 RAS–10FSG 60271996 RAS–10FXG 60272063 RAS–16FSG 60272037 RAS–20FSG 60272038 RAS–20FXG1 60278688 RAS–24FSG1 60278657 RAS–30FSG1 60278658 RAS–30FXG1 60278689...
  • Page 10 CONTENTS CODE LIST ACCESSORIES Figure Accesory Name Code D-P6V Drier R407C 600199376 D-P10V Drier R407C 600199377 D-P20V Drier R407C 600199378 PC-P5H Optional Remote Controller 60290879 PC-RLH11 Receiver Kit (2-Wires) 60299961 PC-RLH9 Receiver Kit (2-Wires) 60290925 PC-RLH4 Receiver Kit (3-Wires) 60299911 PC-LH3A Wireless Control Switch 62299909...
  • Page 11 CONTENTS Figure Accesory Name Code PSC-5S Central Station 60299956 PSC-5T 7 Day Timer 60299957 P-G12WA2E Air Panel 7E799515 P-G12WAH2E Air Panel wireless control 7E799516 P-G23WA2E Air Panel 7E299496 P-G23WA2E1 Air Panel with heater 7E299486 P-G23WAH2E Air Panel wireless control 7E299497 Air Panel with heater and wireless P-G23WAH2E1 7E299488...
  • Page 12 CONTENTS Figure Accesory Name Code E-42ME1 Branch pipe 7E790229 E-52ME1 Branch pipe 7E790230 E-82ME1 Branch pipe 7E790231 E-102ME1 Branch pipe 7E790232 E-152S Branch pipe – E-162M1 Branch pipe 7E799965 E-202M1 Branch pipe 7E799966 E-242S Branch pipe 60290696 E-302S Branch pipe 60290697 E-52XME1 Branch pipe...
  • Page 13 3$57 , 7(&+1,&$/ '$7$...

  • Page 15: System Description

    SYSTEM DESCRIPTION 1 SYSTEM DESCRIPTION CONTENTS SYSTEM DESCRIPTION ___________________________________________________ 1 Features and benefits ______________________________________________________ 2 Features on Indoor Units and Outdoor Units_____________________________________ 8 1.2.1 RCI - Four Way Cassette Type _______________________________________________ 8 1.2.2 RCD - Two-Way Cassette Type _______________________________________________ 9 1.2.3 RPC - Ceiling Type_________________________________________________________ 9 1.2.4...

  • Page 16: Features And Benefits

    Series The new line-up of new SET FREE series indoor units has HITACHI proudly introduces the New line up of SET FREE been extended up to 38 indoor units in 7 types to find FSG(1) 5-30 HP and FXG(1) 8-30 HP in order to respond various building requirements .

  • Page 17: System Description

    SYSTEM DESCRIPTION High economical efficiency operation DC Compressor Using Neodymium Magnet HITACHI use the high technology to achieve the high A DC compressor is used for all models, thus greatly operation efficiency. The applications of the following increasing efficiency in all operating areas. In particular,...
  • Page 18 SYSTEM DESCRIPTION Top Class Silence Operation H-LINK System HITACHI use the high technology to achieve the Lowest The H-LINK wiring system requires only two transmission sound possible wires connecting each CH unit and outdoor unit for up to 16 refrigerant cycles, and connecting wires for all indoor These Technologies are: units and all outdoor units in series.
  • Page 19 SYSTEM DESCRIPTION Setting of End Terminal Resistance Standard Unit Before shipment, No.1 pin of DSW10 is set at the “ON” side. Cooling Operation Inlet Air Temperature In the case that the outdoor units quantity in the same H-link (Setting Temperature is 2 or more, set No.1 pin of DSW10 at the “OFF”...
  • Page 20 System Example 2: Header Branch System outdoor unit, but also in each indoor unit, control the refrigerant flow. Hitachi achieves the reduction of the minimum capacity up to 0.8 HP Indoor Unit to connect 20 and 30HP FXG1 Outdoor Units.
  • Page 21 HITACHI Computer Controlled Network System - CS-NET § Up to 16 outdoor units to be controlled per H-LINK Board Easy to use, at the same time complete Computer Controlled Network System from HITACHI, for Set-Free Multi-Split Air § Up to 128 indoor units per H-LINK Conditioner.

  • Page 22: Features On Indoor Units And Outdoor Units

    SYSTEM DESCRIPTION FEATURES ON INDOOR UNITS AND OUTDOOR UNITS Branch discharge duct for 4-way 1.2.1 RCI - FOUR WAY CASSETTE TYPE In the cases shown in the figure below, branched ducts may be employed to give uniform temperature air conditioning. In the case that there are obstacles such as partitions inside the room, and there are places where the air from the air conditioner will not circulate well.

  • Page 23: Rcd - Two-Way Cassette Type

    RCD - TWO-WAY CASSETTE TYPE 1.2.3 RPC - CEILING TYPE Quiet Operation A factor contributing to HITACHI’s development of the quietest air conditioner yet, is the multi-blade centrifugal fan used in these special two-way cassette type indoor units. Unlike conventional units, the noise level has been reduced to an exceptionally low 30dB-A (1.0HP unit, Low...

  • Page 24: Rpi - In-The-Ceiling Type

    SYSTEM DESCRIPTION An electronic sensor monitors the water level and automatically activates the pump when draining becomes 1.2.4 RPI – IN-THE-CEILING TYPE necessary. This easy to service unit is equiped with transparent 0.8HP ~ 1,5HP ductled drain pipe in order to improve the commissioning process.

  • Page 25: Rpk - Wall Type

    SYSTEM DESCRIPTION Optional Location for PC-P1HE (RPF) In case of RPF Unit, it is possible to install the PC-P1HE 1.2.5 RPK - WALL TYPE under the plastic cover as shown in the figure below: ¡ ¡ ¢ ¢ Air flow guide 1.2.7 RPFI - FLOOR CONCEALED TYPE Elegant Design...

  • Page 26: Slim And Compact Outdoor Unit

    SYSTEM DESCRIPTION 1.2.8 SLIM AND COMPACT OUTDOOR UNIT In-line installation is possible due to the structure of a rear intake and upward discharge design. Even a limited space can be effectively utilized. FSG – 5 HP FSG – 8HP, 10HP FSG –...

  • Page 27: Name Of Parts

    SYSTEM DESCRIPTION NAME OF PARTS 1.3.1 INDOOR UNITS RCI Indoor Unit (1.0 ~ 5.0 HP) No. Part Name Fan Motor Heat Exchanger Micro - Computer Control Ex. Valve Electrical Control Box Refrigerant Gas Pipe Connection Refrigerant Liquid Pipe Connection Drain Pipe Connection Motor for Drain Disch.
  • Page 28 SYSTEM DESCRIPTION RCD Indoor Unit (4.0/5.0 HP) No. Part Name Fan Motor Heat Exchanger Distributor Strainer Micro - Computer Control Ex. Valve Electrical Control Box Refrigerant Gas Pipe Connection Refrigerant Liquid Pipe Connection Drain Pipe Connection Drain Discharge Mechanism Float Switch Drain Pan Air Panel Air Intake Grille...
  • Page 29 SYSTEM DESCRIPTION RPI Indoor Unit (0.8 ~ 1.5 HP) No. Part Name Fan Casing Fan Motor Air Outlet Heat Exchanger Strainer Expansion Valve Air Filter Refrigerant Gas Connection Refrigerant Liquid Connection Electrical Control Box Air Inlet Air Outlet Drain up mechanism Drain Pipe Connection Air Inlet RPI Indoor Unit (2.0 ~ 5.0 HP)
  • Page 30 SYSTEM DESCRIPTION RPK Indoor Unit (1.0 ~ 2.3 HP) M No. Part Name Fan Motor Heat Exchanger Distributor Strainer Micro - Computer Control Ex. Valve Electrical Control Box Bearing Refrigerant Gas Pipe Connection Refrigerant Liquid Pipe Connection Drain Hose Connection Auto - Swing Motor Drain Pan Air Filter...

  • Page 31: Outoor Units

    SYSTEM DESCRIPTION 1.3.2 OUTOOR UNITS Outdoor Unit RAS-5FSG No. Part Name Compressor inverter Heat exchanger Propeller Fan Fan Motor Accumulator Micro - Computer Control Ex. Valve Reversing Valve Stop Valve Gas Line Air Outlet Stop Valve Liquid ine Liquid Receiver Check Joint (Low) Check Joint (High) Solenoide valve (Gas Bypass)
  • Page 32 SYSTEM DESCRIPTION Outdoor Unit RAS-16/20FSG No. Part Name Compressor inverter Compressor constant speed Heat exchanger Propeller Fan Fan Motor Accumulator Oil Separator Micro - Computer Control Ex. Valve Reversing Valve Stop Valve Gas Line Stop Valve Liquid Line Air Outlet Liquid Receiver Check Joint (Low) Check Joint (High)
  • Page 33 SYSTEM DESCRIPTION Outdoor Unit RAS-8/10FXG No. Part Name Compressor inverter Compressor constant speed Heat exchanger Propeller Fan Fan Motor Accumulator Oil Separator Micro-Computer Control Ex. Valve For Low Heat Exchanger Micro-Computer Control Ex. Valve For Higher Heat Exchanger Air Outlet Micro-Computer Control Ex.
  • Page 34 SYSTEM DESCRIPTION Outdoor Unit RAS-30FXG1 No. Part Name Compressor Heat exchanger Propeller Fan Fan Motor Accumulator Oil Separator Micro-Computer Control Ex. Valve Reversing Valve Stop Valve (Low Pressure Gas Line) Air Outlet Stop Valve (High Pressure Gas Line) Stop Valve (Liquid Line) Liquid Receiver Check Joint (Low) Check Joint (High)

  • Page 35: General Data

    GENERAL DATA 2 GENERAL DATA CONTENTS GENERAL DATA__________________________________________________________ 1 2.1. General Data for Indoor Units ________________________________________________ 2 2.1.1. RCI - 4-Way-Cassette Type __________________________________________________ 2 2.1.2. RCD - 2-Way-Cassette Type _________________________________________________ 3 2.1.3. RPC - Ceiling Type_________________________________________________________ 4 2.1.4. RPI - In-The-CeilingType (0.8 ~ 1.5HP) _________________________________________ 5 2.1.5.

  • Page 36: General Data For Indoor Units

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1.5 meters beneath the Unit system, and are based on the JIS 158616.

  • Page 37: Rcd - 2-Way-Cassette Type

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1.5 meters beneath the Unit system, and are based on the JIS 158616.

  • Page 38: Rpc - Ceiling Type

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1 meter beneath the Unit system, and are based on the JIS 158616.

  • Page 39: Rpi - In-The-Ceilingtype (0.8 ~ 1.5Hp)

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1.5 meter beneath the Unit system, and are based on the JIS 158616.

  • Page 40: Rpi - In-The_Ceiling Type (2.0 ~ 5.0Hp)

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1.5 meter beneath the Unit system, and are based on the JIS 158616.

  • Page 41: Rpk - Wall Type

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1 meter beneath the Unit system, and are based on the JIS 158616.

  • Page 42: Rpf & Rpfi - Floor & Floor Concealed Type

    2. The Sound Pressure Level is based on the following 1. The nominal cooling and heating capacity is the conditions: combined capacity of the HITACHI standard split – 1,5 meters beneath the Unit system, and are based on the JIS 158616.

  • Page 43: General Data For Outdoors Units

    The above data was measured in an anechoic shipment. The charged volume is the equivalent of chamber so that reflected sound should be taken a refrigerant piping of 10 meters, when combining into consideration in the field. to HITACHI standard indoor unit.

  • Page 44: Ras - Outdoors Unit (Fxg/Fxg1)

    The above data was measured in an anechoic shipment. The charged volume is the equivalent of chamber so that reflected sound should be taken a refrigerant piping of 10 meters, when combining into consideration in the field. to HITACHI standard indoor unit.

  • Page 45: Component Data

    GENERAL DATA 2.3. COMPONENT DATA The components data indicated are the following: Indoor Unit Heat Exchanger and Fan unit of: RCI - 4-Way Cassette Type RCD - 2-Way Cassette Type RPC - Ceiling Type RPI - In-The-Ceiling Type RPK - Wall Type RPF - Floor Type and RPFI Floor Concealed Type Outdoor Unit: Heat Exchanger, Fan unit and Compressor 2.3.1.

  • Page 46: Rpc - Ceiling Type

    GENERAL DATA 2.3.3. RPC - CEILING TYPE Model RPC RPC-2.0 RPC-2.5 RPC-3.0 RPC-4.0 RPC-5.0 Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 Tube Rows Number of Tube/Coil Material Aluminium Pitch Maximum Operating Pressure Total Face Area...

  • Page 47: Rpk - Wall Type

    GENERAL DATA 2.3.5. RPK - WALL TYPE Model RPK RPK-1.0 RPK-1.5 RPK-2.0 RPK-2.3 Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 Rows Material Aluminium Pitch Maximum Operating Pressure Total Face Area m²...

  • Page 48: Outdoor Heat Exchanger And Fan (Fsg/Fsg1)

    GENERAL DATA 2.3.7. OUTDOOR HEAT EXCHANGER AND FAN (FSG/FSG1) RAS-5FSG RAS-8FSG RAS-10FSG RAS-16FSG RAS-20FSG RAS-24FSG1 RAS-30FSG1 Model Outdoor Unit Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 9.53 9.53 Tube Rows Number of Tube/Coil...

  • Page 49: Dimensional Data

    DIMENSIONAL DATA 3 DIMENSIONAL DATA CONTENTS DIMENSIONAL DATA ______________________________________________________ 1 3.1. Indoor Units ______________________________________________________________ 2 3.1.1. 4-Way Cassette Type Models: RCI-1.0 with Air Panel P-G12WA(H)2E(1) RCI-1.5~3.0 with Air Panel P-G23WA(H)2E(1) ___________________________________ 2 3.1.2. 4-Way Cassette Type Models: RCI-4.0/5.0 with Air Panel P-G46WA(H)2E(1) __________ 3 3.1.3.

  • Page 50: Indoor Units

    DIMENSIONAL DATA 3.1. INDOOR UNITS 3.1.1. 4-WAY CASSETTE TYPE MODELS: RCI-1.0 WITH AIR PANEL P-G12WA(H)2E(1) RCI-1.5~3.0 WITH AIR PANEL P-G23WA(H)2E(1) Unit:mm Model / Pipe Sizes RCI-1.0 12.7 6.35 RCI-1.5 12.7 6.35 RCI-2.0 15.88 6.35 RCI-2.5 15.88 9.53 RCI-3.0 15.88 9.53 Service Access View from A Surroundings...

  • Page 51: 4-Way Cassette Type Models: Rci-4.0/5.0 With Air Panel P-G46Wa(H)2E(1)

    DIMENSIONAL DATA 3.1.2. 4-WAY CASSETTE TYPE MODELS: RCI-4.0/5.0 WITH AIR PANEL P-G46WA(H)2E(1) Service Access View from A Surroundings in the ceiling Min. Min. Min. Min. Min. Single Installation Double Installation Mark Name Remarks Mark Name Remarks Air Inlet Range Ajustable Air Outlet Supply Duct Connection Knock Hole 2-Ø200...

  • Page 52: 2-Way Cassette Type Models: Rcd-1.0~3.0 With Air Panel P-G23Dwa1

    DIMENSIONAL DATA 3.1.3. 2-WAY CASSETTE TYPE MODELS: RCD-1.0~3.0 WITH AIR PANEL P-G23DWA1 View from A Double Installation Surroundings in the Ceiling View from B Single Installation Service Access Model / Pipe Sizes Øa Øb RCD-1.0 12.7 6.35 Enlarged view of D RCD-1.5 12.7 6.35...

  • Page 53: 2-Way Cassette Type Models: Rcd-4.0/5.0 With Air Panel P-G46Dwa1

    DIMENSIONAL DATA 3.1.4. 2-WAY CASSETTE TYPE MODELS: RCD-4.0/5.0 WITH AIR PANEL P-G46DWA1 View from A View from A Double Installation Surroundings in the Ceiling Single Installation Enlarged view of D Service Access View from E Mark Name Remarks Mark Name Remarks Air Inlet Ceiling...

  • Page 54: Ceiling Type Models: Rpc-2.0

    DIMENSIONAL DATA 3.1.5. CEILING TYPE MODELS: RPC-2.0 Service Space Piping Connection Arrangement Mark Name Remarks Mark Name Remarks Air Discharge Condensate Drain Piping (for B Side) Ø25 O.D. Connection Knockout Hole Air Inlet Æ6.35 Flare Nut Liquid Line Hole for Refrigerant Piping Knockout Hole for Top Æ15.8 Flare Nut Side.

  • Page 55: Ceiling Type Models: Rpc-2.5/3.0

    DIMENSIONAL DATA 3.1.6. CEILING TYPE MODELS: RPC-2.5/3.0 Service Space Piping Connection Arrangement Mark Name Remarks Mark Name Remarks Æ32.5 Knockout Hole Air Discharge Hole for Conduit Tube Air Inlet Condensate Drain Piping (for B Side) Ø25 O.D. Connection Knockout Hole Hole for Refrigerant Piping Knockout Hole for Top Æ9.53 Flare Nut...

  • Page 56: Ceiling Type Models: Rpc-4.0

    DIMENSIONAL DATA 3.1.7. CEILING TYPE MODELS: RPC-4.0 Service Space (Suspension Bracket) Piping Connection Arrangement Mark Name Remarks Mark Name Remarks Æ32.5 Knockout Hole Air Discharge Hole for Conduit Tube Air Inlet Condensate Drain Piping (for B Side) Ø25 O.D. Connection Knockout Hole Hole for Refrigerant Piping Knockout Hole for Top...

  • Page 57: Ceiling Type Models: Rpc-5.0

    DIMENSIONAL DATA 3.1.8. CEILING TYPE MODELS: RPC-5.0 Service Space (Suspension Bracket) Piping Connection Arrangement Mark Name Remarks Mark Name Remarks Æ32.5 Knockout Hole Air Discharge Hole for Conduit Tube Air Inlet Condensate Drain Piping (for B Side) Ø25 O.D. Connection Knockout Hole Hole for Refrigerant Piping Knockout Hole for Top...

  • Page 58: In -The-Ceiling Type Models: Rpi-0.8~1.5

    DIMENSIONAL DATA 3.1.9. IN -THE-CEILING TYPE MODELS: RPI-0.8~1.5 (Rear) (Front) Service Access Panel Service Space Mark Name Remarks Supply Air Connection Air Intake Refrigerant Gas Line Ø12.7 Copper Tube Flare Connection (Ø35 Hole) Refrigerant Liquid Line Ø6.35 Cooper Tube Flare Connection (Ø30 Hole) Condensate Drain Ø32 Outer Diameter...

  • Page 59: In-The-Ceiling Type Models: Rpi-2.0~3.0

    DIMENSIONAL DATA 3.1.10. IN-THE-CEILING TYPE MODELS: RPI-2.0~3.0 Model / Pipe Sizes Øa Øb (mm) (mm) RPI-2.0 15.88 6.35 RPI-2.5 15.88 9.53 RPI-3.0 19.05 9.53 Mark Name Remarks Air Discharge Air Inlet Gas Line Øa Flare Nut Liquid Line Øb Flare Nut Condensate Drain Ø32 Outer Diameter.

  • Page 60: In-The-Ceiling Type Models: Rpi-4.0/5.0

    DIMENSIONAL DATA 3.1.11. IN-THE-CEILING TYPE MODELS: RPI-4.0/5.0 Mark Name Remarks Supply Air Connection Air Intake Refrigerant Gas Line Ø19.05 Copper Tube Flare Connection (Ø35 Hole) Refrigerant Liquid Line Ø9.53 Cooper Tube Flare Connection (Ø30 Hole) Condensate Drain Ø32 Outer DIameter Connection Hole for Power Supply 2-Ø20 Electrical Box...

  • Page 61: Way Type Models: Rpk-1.0~2.3

    DIMENSIONAL DATA 3.1.12. WAY TYPE MODELS: RPK-1.0~2.3 Wiring and Piping Wiring and Piping Wiring and Piping View from A Min. Service Space Mark Name Remarks Air Inlet Air Outlet Refrigerant Gas Line Piping Connection: with Ø 12.7 mm Flare Nut (RPK-1.0/1.5FSGM) with Ø...

  • Page 62: Floor Type Models: Rpf-1.0~2.5

    DIMENSIONAL DATA 3.1.13. FLOOR TYPE MODELS: RPF-1.0~2.5 Model / Dimension RPF-1.0 1045 RPF-1.5 1170 RPF-2.0 1420 1107 RPF-2.5 1420 1107 View from Upper Side View from Front Side For Bolt 2-12, 15x18 Location of Fixing Holes Location of Fixing Holes on Location of Fixing Holes on Wall on Floor for Bolts (2-M8) Floor for Wood Screws (4-M5)

  • Page 63: Floor Type Models: Rpfi-1.0~2.5

    DIMENSIONAL DATA 3.1.14. FLOOR TYPE MODELS: RPFI-1.0~2.5 Units:mm Model / Dimension RPFI-1.0 RPFI-1.5 RPFI-2.0 1223 1079 1107 RPFI-2.5 View from Upper Side View from Front Side Location of Fixing Holes Location of Fixing Holes on Location of Fixing Holes on Wall on Floor for Bolts (2-M8) Floor for Wood Screws (4-M5) Model / Pipe Sizes...

  • Page 64: Model: Ch Unit (Ch-4.0/6.5Ge)

    DIMENSIONAL DATA 3.1.15. MODEL: CH UNIT (CH-4.0/6.5GE) Remarks Mark Name CH-4.0GE CH-6.5GE Suspension Bracket for M8 or W5/16 Bolt Refrigerant Gas (Low) Pipe connection 15.88 Flare connection 19.05 Flare connection Refrigerant Gas (High) Pipe connection 12.7 Flare connection 15.88 Flare connection Refrigerant Liquid Pipe connection 9.53 Flare connection Refrigerant Gas Pipe connection...

  • Page 65: Model: Ch Unit (Ch-11.5G)

    DIMENSIONAL DATA 3.1.16. MODEL: CH UNIT (CH-11.5G) Remarks Mark Name CH-11.5G Suspension Bracket for M10 or W35/8 Bolt Refrigerant Gas (Low) Pipe connection 28.6 Flange connection Refrigerant Gas (High) Pipe connection 19.05 Flare connection Refrigerant Liquid Pipe connection 12.7 Flare connection Refrigerant Gas Pipe connection 28.6 Flange connection Refrigerant Liquid Pipe connection...

  • Page 66: Outdoor Units

    DIMENSIONAL DATA 3.2. OUTDOOR UNITS 3.2.1. MODEL: RAS-5FSG Service Space Rear Front Side Side View from A NOTE: Keep a space of 300mm between the outdoor unit and the wall at the rear side, when the Mark Name Remarks rear side wall is smaller than 500mm. Service Cover Electrical Control Box Refrigerant Gas Line...

  • Page 67: Models: Ras-8/10Fsg

    DIMENSIONAL DATA 3.2.2. MODELS: RAS-8/10FSG Only for RAS-10FSG Service Space Rear Front Side Side View from A NOTE: Keep a space of 300mm between the outdoor unit and the wall at the rear side, when the rear side wall is smaller than 500mm. Mark Name Remarks...

  • Page 68: Models: Ras-16/20Fsg

    DIMENSIONAL DATA 3.2.3. MODELS: RAS-16/20FSG Only for RAS-20FSG Front Rear Side Side View from A Mark Name Remarks Service Cover Electrical Control Box Service Space Refrigerant Gas Line Piping Connection with Ø28.6 or 31.75 Brazing -Flange (16HP) with Ø34.92 or 38.1 Brazing Flange (20H) NOTE: Refrigerant Liquid Line Piping Connection...

  • Page 69: Model: Ras 24/30-Fsg1

    DIMENSIONAL DATA 3.2.4. MODEL: RAS 24/30-FSG1 Only for 30HP View from A Mark Name Remarks Service Cover Service Space Electrical Control Box Refrigerant Gas Line Piping Connection: with Ø38.1 or 34.92 Brazing (24HP) Rear with Ø44.5 or 41.3 Brazing (30HP) Front Side Side...

  • Page 70: Models: Ras-8/10Fxg

    DIMENSIONAL DATA 3.2.5. MODELS: RAS-8/10FXG Service Space Rear Front Side Side NOTE: Keep a space of 300 mm between the outdoor unit and the wall at the rear side, when the Mark Name Remarks rear side wall is smaller than 500mm. Service Cover Electrical Control Box Refrigerant Gas (Low) Line...

  • Page 71: Model: Ras-20Fxg1

    DIMENSIONAL DATA 3.2.6. MODEL: RAS-20FXG1 View from A Mark Name Remarks Service Space Service Cover Electrical Control Box Refrigerant Gas (Low) Line Piping Connection: Rear with Ø38.1or Ø34.9 mm Brazing Front Side Side Refrigerant Gas (High) Line Piping Connection: with Ø25.4 or Ø22.2 mm Brazing Refrigerant Liquid Line Piping Connection with Ø15.88 mm Flare Nut...

  • Page 72: Model: Ras-30Fxg1

    DIMENSIONAL DATA 3.2.7. MODEL: RAS-30FXG1 View from A Service Space Rear Front Side Side Mark Name Remarks Service Cover Electrical Control Box Refrigerant Gas (Low) Line Piping Connection: with Ø44.45 or 41.3 mm Brazing Refrigerant Gas (High) Line Piping Connection: with Ø31.75 or Ø28.6 mm Brazing NOTE: Refrigerant Liquid Line...

  • Page 73: Capacities And Selection Data

    CAPACITIES AND SELECTION DATA 4 CAPACITIES AND SELECTION DATA CONTENTS CAPACITIES AND SELECTION DATA_________________________________________ 1 4.1. System Selection Procedure _________________________________________________ 2 4.1.1. Selection Unit Features _____________________________________________________ 2 4.1.2. Selection Guide ___________________________________________________________ 2 4.2. Operation Space __________________________________________________________ 5 4.2.1. RCI 4-Way Cassette Type ___________________________________________________ 5 4.2.2.

  • Page 74: System Selection Procedure

    CAPACITIES AND SELECTION DATA 4.1. SYSTEM SELECTION PROCEDURE The following system procedure is giving a sample Therefore, the maximum indoor unit capacity combined with regarding unit selection system, indicating how to use all outdoor unit should be carefully considered for correct parameters showed in this chapter.
  • Page 75 CAPACITIES AND SELECTION DATA Step 2 : Select Unit Capacity Performance The unit HP is selected following the Cooling capacity and Heating capacity showed in the next table: Nominal Capacity of Indoor Units Horsepower (HP) Capacity Cooling Capacity 11.6 14.5 Heating Capacity 13.0 16.3...
  • Page 76 CAPACITIES AND SELECTION DATA Step 3b: Indoor Unit Performance Capacity <RPI-1.5> (adjusted at 1.3) Cooling Capacity = 12.96 x (3.8 / 17.6) = 2.80 kW Heating Capacity = 14.00 x (4.2 / 19.7) = 2.98 kW <RPI-2.0> Cooling Capacity = 12.96 x (5.8 / 17.6) = 4.27 kW Heating Capacity = 14.00 x (6.5 / 19.7) = 4.62 kW <RPI-2.5>...

  • Page 77: Operation Space

    CAPACITIES AND SELECTION DATA 4.2. OPERATION SPACE 4.2.1. RCI 4-WAY CASSETTE TYPE 4.2.2. RCD 2-WAY CASSETTE TYPE Models: RCI-1.0~5.0 Models: RCD-1.0~5.0 Separated Installation Closed Installation Clearance 10~20mm Service Access Service Access Panel Unit Height in False Panel Ceiling (see table) Drain Piping Piping Connection...

  • Page 78: Rpc Ceiling Type

    CAPACITIES AND SELECTION DATA 4.2.3. RPC CEILING TYPE 4.2.5. RPK WALL TYPE Models: RPC-2.0~5.0 Models: RPK-1.0~2.3 Wall Single installation Min.8 Indoor Unit (Hole for Piping) Min.400 To Outdoor Double installation Unit Operation and Installation Space (Hole for Piping on the Wall) Min.40 Min.300 Min.300...

  • Page 79: Rpfi Floor Concealed Type

    CAPACITIES AND SELECTION DATA 4.2.7. RPFI FLOOR CONCEALED TYPE 4.2.8. OUTDOOR UNITS Models: RPFI-1.0~2.5 Models: RAS-5FSG, RAS-8FSG, RAS-10FSG, RAS-16FSG and RAS-20FSG, Ceiling RAS-8FXG, RAS 10FXG, RAS-24FSG1, RAS-30FSG1 RAS-20FXG1, RAS-30FXG1 Upward Air Outlet Short Flexible Wall Duct 1500 Service Space Piping Space for electrical Box Rear Front...

  • Page 80: Capacity Characteristic Curves Of Outdoor Units

    CAPACITIES AND SELECTION DATA 4.3. CAPACITY CHARACTERISTIC CURVES OF OUTDOOR UNITS The following charts show the characteristics of outdoor unit capacity which corresponds with total horsepower of combined indoor unit, on standard condition with refrigerant piping of horizontal and 5m at length. See the examples of the actual combinations.
  • Page 81 CAPACITIES AND SELECTION DATA Cooling Capacity Heating Capacity Cooling Characteristic Curve of RAS-16FSG Heating Characteristic Curve of RAS-16FSG Total Horsepower of Combined Indoor Units. Total Horsepower of Combined Indoor Units. Cooling Characteristic Curve of RAS-20FSG/FXG1 Heating Characteristic Curve of RAS-20FSG/FXG1 Total Horsepower of Combined Indoor Units.
  • Page 82 CAPACITIES AND SELECTION DATA Cooling Characteristic Curve of RAS-30FSG1/FXG1 Heating Characteristic Curve of RAS-30FSG1/FXG1 Total Horsepower of Combined Indoor Units. Total Horsepower of Combined Indoor Units. Cooling Characteristic Curve of RAS-8FXG Heating Characteristic Curve of RAS-8FXG Total Horsepower of Combined Indoor Units. Total Horsepower of Combined Indoor Units.

  • Page 83: Cooling Capacity Table Of 100% Combination

    CAPACITIES AND SELECTION DATA 4.4. COOLING CAPACITY TABLE OF 100% COMBINATION Table 1. Cooling Capacity Table for RAS-5FSG Unit of Capacity: kW (Correction Factor) Indoor Air Inlet Wet Bulb (ºC) Outdoor Air Inlet Dry Bulb (ºC) 16.0 18.5 19.0 19.5 20.0 22.0 24.0...

  • Page 84: Heating Capacity Table Of 100% Combination

    CAPACITIES AND SELECTION DATA Table 6. Cooling Capacity Table for RAS-24FSG1 Unit of Capacity: kW (Correction Factor) Indoor Air Inlet Wet Bulb (ºC) Outdoor Air Inlet Dry Bulb (ºC) 16.0 18.5 19.0 19.5 20.0 22.0 24.0 25.0 59.7 (0.87) 67.0 (0.97) 69.0 (1.00)
  • Page 85 CAPACITIES AND SELECTION DATA Table 4. Heating Capacity Table for RAS-16FSG Unit of Capacity: kW (Correction Factor) Indoor Air Inlet Dry Bulb (ºC) Outdoor Air Inlet Wet Bulb (ºC) 16.0 18.0 20.0 21.0 22.0 24.0 -10.0 39.1 (0.78) 38.4 (0.77) 37.8 (0.76) 37.3...

  • Page 86: Correction Factor According To Piping Length

    CAPACITIES AND SELECTION DATA 4.6. CORRECTION FACTOR ACCORDING TO PIPING LENGTH Correction Factor for Cooling Capacity according to Piping Correction Factor for Heating Capacity according to Piping Length Length The cooling capacity should be corrected according to the The heating capacity should be corrected according to the following formula: following formula: CCA = CC x F...
  • Page 87 CAPACITIES AND SELECTION DATA RAS-24FSG1 (Ø38.1) RAS-24FSG1 (Ø34.92) RAS-30FSG1 (Ø44.45) RAS-30FSG1 (Ø41.3) RAS-20FXG1 (Ø38.1) RAS-30FXG1 (Ø41.5)

  • Page 88: Sensible Heat Factor (Shf)

    CAPACITIES AND SELECTION DATA 4.7. SENSIBLE HEAT FACTOR (SHF) The sensible heat factor of indoor units at each fan speed (Hi, Me, Lo) based on the JIS Standard B8616, is given in the below. Indoor Unit Model RCI-1.0 0.80 0.77 0.75 RCI-1.5 0.77...

  • Page 89: Correction Factor For Defrosting Operation

    CAPACITIES AND SELECTION DATA 4.8. CORRECTION FACTOR FOR DEFROSTING OPERATION The heating capacity, excludes the defrosting operation period. When considering defrosting operation, the heating capacity should be corrected by the factor below. Corrected Heating Capacity = Correction Factor x Heating Capacity Outdoor Inlet Air Temp.
  • Page 90 CAPACITIES AND SELECTION DATA RPI-2.0 RPI-2.5 Air flow (m³/min) Air flow (m³/min) RPI-3.0 RPI-4.0 Air flow (m³/min) Air flow (m³/min) RPI-5.0 Air flow (m³/min)

  • Page 91: Temperature Distribution Diagrams

    CAPACITIES AND SELECTION DATA 4.10. TEMPERATURE DISTRIBUTION DIAGRAMS 4.10.1. RCI 4-WAY CASSETTE TYPE Horitzontal Temperature Vertical Temperature distribution distribution (Height: 1.2m) Cooling Heating Cooling Heating (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: 27°C DB / 19°C WB 20°C DB) 27°C DB / 19°C WB) 20°C DB) Model: RCI-1.0/1.5HP...
  • Page 92 CAPACITIES AND SELECTION DATA RCI 4-way Cassette Type (cont.) Horitzontal Temperature Vertical Temperature distribution distribution (Height: 1.2m) Cooling Heating Cooling Heating (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: 27°C DB / 19°C WB 20°C DB) 27°C DB / 19°C WB) 20°C DB) Model: RCI-3.0HP Air-Throw-Distance: 3.1m...

  • Page 93: Rcd 2-Way Cassette Type

    CAPACITIES AND SELECTION DATA 4.10.2. RCD 2-WAY CASSETTE TYPE Horitzontal Temperature Vertical Temperature distribution distribution (Height: 1.2m) Cooling Heating Cooling Heating (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: 27°C DB / 19°C WB 20°C DB) 27°C DB / 19°C WB) 20°C DB) Model: RCD-1.0/1.5HP Air-Throw-Distance: 2.8m...
  • Page 94 CAPACITIES AND SELECTION DATA RCD 2-way Cassette Type (cont). Horitzontal Temperature Vertical Temperature distribution distribution (Height: 1.2m) Cooling Heating Cooling Heating (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: (Indoor Temperature: 27°C DB / 19°C WB) 20°C DB) 27°C DB / 19°C WB) 20°C DB) Model: RCD-3.0HP Air-Throw-Distance: 3.1m...

  • Page 95: Rpc-Ceiling Type

    CAPACITIES AND SELECTION DATA 4.10.3. RPC-CEILING TYPE Vertical Temperature distribution Cooling Heating (Indoor Temperature: 27°C DB / 19°C WB) (Indoor Temperature: 20°C DB) Model: RPC-2.0/2.5HP Air-Throw-Distance: 4.9m (When Air Velocity is: 0.5m/s Model: RPC-3/4HP Air-Throw-Distance: 6.9m (When Air Velocity is: 0.3m/s Model: RPC-5HP Air-Throw-Distance: 7.5m...

  • Page 96: Sound Data

    CAPACITIES AND SELECTION DATA 4.11. SOUND DATA 4.11.1. RCI - 4- WAY CASSETTE TYPE RCI-1.0 Power supply: 220V 50 Hz RCI-1.5 Power supply: 220V 50 Hz Model: Model: 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve...
  • Page 97 CAPACITIES AND SELECTION DATA RCI - 4- Way Cassette Type (cont.) RCI-3.0 RCI-4.0 Power supply: 220V 50 Hz Power supply: 220V 50 Hz Model: Model: 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve Approximate Approximate...

  • Page 98: Rcd - 2-Way Cassette Type

    CAPACITIES AND SELECTION DATA 4.11.2. RCD - 2-WAY CASSETTE TYPE RCD-1.0 Power supply: 220V 50 Hz RCD-1.5 Power supply: 220V 50 Hz Model: Model: 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve Approximate Approximate...
  • Page 99 CAPACITIES AND SELECTION DATA RCD - 2-Way Cassette Type (cont.) RCD-3.0 Power supply: 220V 50 Hz RCD-4.0 Power supply: 220V 50 Hz Model: Model: 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve Approximate Approximate...

  • Page 100: Rpc - Ceiling Type

    CAPACITIES AND SELECTION DATA 4.11.3. RPC - CEILING TYPE RPC-2.0 Power supply: 220V 50 Hz RPC-2.5 Power supply: 220V 50 Hz Model: Model: 1Meter Beneath the Unit 1Meter Beneath the Unit Measurement point: Measurement point: 1 Meter from Discharge Grille 1 Meter from Discharge Grille Noise Criteria Curve Noise Criteria Curve...
  • Page 101 CAPACITIES AND SELECTION DATA RPC - Ceiling Type (cont.) RPC-5.0 Power supply: 220V 50 Hz Model: 1Meter Beneath the Unit Measurement point: 1 Meter from Discharge Grille Noise Criteria Curve Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second)

  • Page 102: Rpi - In-The-Ceiling Type

    CAPACITIES AND SELECTION DATA 4.11.4. RPI - IN-THE-CEILING TYPE Model: RPI-0.8· & RPI-1.0 Power supply: 220V 50 Hz Model: RPI-1.5 Power supply: 220V 50 Hz 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve Approximate Approximate...
  • Page 103 CAPACITIES AND SELECTION DATA RPI - In-the-Ceiling Type (cont.) Model: RPI-3.0 Power supply: 220V 50 Hz Model: RPI-4.0 Power supply: 220V 50 Hz 1.5 Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: Noise Criteria Curve Noise Criteria Curve Approximate Approximate...

  • Page 104: Rpk - Wall Type

    CAPACITIES AND SELECTION DATA 4.11.5. RPK - WALL TYPE RPK-1.0 Power supply: 220V 50 Hz RPK-1.5 Power supply: 220V 50 Hz Model: Model: 1Meter Beneath the Unit 1.5 Meter Beneath the Unit Measurement point: Measurement point: 1 Meter from Discharge Grille 1 Meter from Discharge Grille Noise Criteria Curve Noise Criteria Curve...

  • Page 105: Rpf - Floor Type

    CAPACITIES AND SELECTION DATA 4.11.6. RPF - FLOOR TYPE RPF-1.0 Power supply: 220V 50 Hz RPF-1.5 Power supply: 220V 50 Hz Model: Model: 1.5 Meter from the Unit 1.5 Meter from the Unit Measurement point: Measurement point: 1.5 Meter from floor level 1.5 Meter from floor level Noise Criteria Curve Noise Criteria Curve...

  • Page 106: Rpfi - Floor Concealed Type

    CAPACITIES AND SELECTION DATA 4.11.7. RPFI - FLOOR CONCEALED TYPE RPFI-1.0 Power supply: 220V 50 Hz RPFI-1.5 Power supply: 220V 50 Hz Model: Model: 1.5 Meter from the Unit 1.5 Meter from the Unit Measurement point: Measurement point: 1.5 Meter from floor level 1.5 Meter from floor level Noise Criteria Curve Noise Criteria Curve...

  • Page 107: Ras - Outdoor Units Fsg

    CAPACITIES AND SELECTION DATA 4.11.8. RAS - OUTDOOR UNITS FSG RAS-5FSG Power supply: 220V 50 Hz RAS-8FSG Power supply: 220V 50 Hz Model: Model: 1Meter Beneath the Unit Service Cover surface 1Meter Beneath the Unit Service Cover surface Measurement point: Measurement point: 1.5 Meter from floor level 1.5 Meter from floor level...

  • Page 108: Ras- Outdoor Units Fsg1

    CAPACITIES AND SELECTION DATA 4.11.9. RAS- OUTDOOR UNITS FSG1 RAS-24FSG1 Power supply: 220V 50 Hz RAS-30FSG1 Power supply: 220V 50 Hz Model: Model: 1Meter Beneath the Unit Service Cover surface 1Meter Beneath the Unit Service Cover surface Measurement point: Measurement point: 1.5 Meter from floor level 1.5 Meter from floor level Noise Criteria Curve...

  • Page 109: Ras- Outdoor Units Fxg

    CAPACITIES AND SELECTION DATA 4.11.10. RAS- OUTDOOR UNITS FXG RAS-8FXG Power supply: 220V 50 Hz RAS-10FXG Power supply: 220V 50 Hz Model: Model: 1Meter Beneath the Unit Service Cover surface 1Meter Beneath the Unit Service Cover surface Measurement point: Measurement point: 1.5 Meter from floor level 1.5 Meter from floor level Noise Criteria Curve...

  • Page 111: Working Range

    WORKING RANGE 5 WORKING RANGE CONTENTS WORKING RANGE ________________________________________________________ 1 5.1. Power supply _____________________________________________________________ 2 5.1.1. Temperature Range ________________________________________________________ 2...

  • Page 112: Power Supply

    WORKING RANGE 5.1. POWER SUPPLY Working Voltage 90% to 110% of the Rated Voltage Within a 3% Deviation from Each Voltage at the Main Terminal of Voltage Imbalance Outdoor Unit Higher than 85% of the Rated Voltage Starting Voltage 5.1.1. TEMPERATURE RANGE The temperature range is indicated in the following table.

  • Page 113: Electrical Data

    ELECTRICAL DATA 6 ELECTRICAL DATA CONTENTS ELECTRICAL DATA _______________________________________________________ 1 6.1. Indoor Unit_______________________________________________________________ 2 6.2. Outdoor Unit _____________________________________________________________ 3...

  • Page 114: Indoor Unit

    ELECTRICAL DATA 6.1. INDOOR UNIT Unit Main Power Applicable Voltage Indoor Fan Motor Model Maximum Minimum RCI-1.0 0.1/0.2 0.03/0.04 RCI-1.5 0.2/0.3 0.05/0.06 RCI-2.0 0.4/0.4 0.08/0.10 4-Way RCI-2.5 220/240 0.4/0.4 0.08/0.09 Cassette Type RCI-3.0 0.8/0.8 0.14/0.14 RCI-4.0 0.8/0.9 0.18/0.21 RCI-5.0 0.9/0.9 0.19/0.22 RCD-1.0 0.2/0.2...

  • Page 115: Outdoor Unit

    ELECTRICAL DATA 6.2. OUTDOOR UNIT Unit Main Applicable Compressor Motor Outdoor Maximum Power Voltage Fan Motor Current Model Cooling Heating VOL PH Maximum Minimum Operation Operation 9.6/ 9.0/ 2.20/ 0.31/ RAS-5FSG *8/7 2.22 0.32 14.4/ 13.7/ 3.25/ 0.58/ RAS-8FSG 13.2 12.6 3.22 0.63...

  • Page 117: Electrical Wiring Diagrams

    ELECTRICAL WIRING DIAGRAMS 7 ELECTRICAL WIRING DIAGRAMS CONTENTS ELECTRICAL WIRING DIAGRAM (For Models: RCI-1.0 ~ 5.0) _______________________________ 2 ELECTRICAL WIRING DIAGRAM (For Models: RCD-1.0 ~ 3.0) ______________________________ 3 ELECTRICAL WIRING DIAGRAM (For Models: RCD-4.0 ~ 5.0) ______________________________ 4 ELECTRICAL WIRING DIAGRAM (For Models: RPC-2.0 ~ 5.0) ______________________________ 5 ELECTRICAL WIRING DIAGRAM (For Models: RPI-0.8 ~ 1.5) _______________________________ 6 ELECTRICAL WIRING DIAGRAM (For Models: RPI-2.0 ~ 5.0) _______________________________ 7 ELECTRICAL WIRING DIAGRAM (For Models: RPK-1.0 ~ 2.3) ______________________________ 8...
  • Page 118 ELECTRICAL WIRING DIAGRAMS...
  • Page 119 ELECTRICAL WIRING DIAGRAMS...
  • Page 120 ELECTRICAL WIRING DIAGRAMS...

  • Page 121: Electrical Wiring Diagram (For Models: Rci-1.0 ~ 5.0)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 122 ELECTRICAL WIRING DIAGRAMS...

  • Page 123: Electrical Wiring Diagram (For Models: Rcd-1.0 ~ 3.0)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 124 ELECTRICAL WIRING DIAGRAMS...

  • Page 125: Electrical Wiring Diagram (For Models: Rcd-4.0 ~ 5.0)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 126 ELECTRICAL WIRING DIAGRAMS...

  • Page 127: Electrical Wiring Diagram (For Models: Rpc-2.0 ~ 5.0)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 128 ELECTRICAL WIRING DIAGRAMS...

  • Page 129: Electrical Wiring Diagram (For Models: Rpi-0.8 ~ 1.5)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 130 ELECTRICAL WIRING DIAGRAMS...

  • Page 131: Electrical Wiring Diagram (For Models: Rpi-2.0 ~ 5.0)

    ELECTRICAL WIRING DIAGRAMS...
  • Page 132 ELECTRICAL WIRING DIAGRAMS...

  • Page 133: Electrical Wiring Diagram (For Models: Rpk-1.0 ~ 2.3)

    ELECTRICAL WIRING DIAGRAMS...

  • Page 134: Electrical Wiring Diagram (For Models: Ras-8Fsg, Ras-10Fsg)

    ELECTRICAL WIRING DIAGRAMS...

  • Page 135: Refrigerant Cycle

    REFRIGERANT CYCLE 8 REFRIGERANT CYCLE CONTENTS REFRIGERANT CYCLE ____________________________________________________ 1 8.1. Outdoor Units ____________________________________________________________ 2 8.1.1. RAS-5FSG _______________________________________________________________ 2 8.1.2. RAS-8/10FSG_____________________________________________________________ 3 8.1.3. RAS-16/20FSG____________________________________________________________ 4 8.1.4. RAS-24/30FSG1___________________________________________________________ 5 8.1.5. RAS-8/10FXG_____________________________________________________________ 6 8.1.6. RAS-20FXG1 _____________________________________________________________ 7 8.1.7. RAS-30FXG1 _____________________________________________________________ 8 8.2. CH - Units _______________________________________________________________ 9 8.2.1.

  • Page 136: Outdoor Units

    REFRIGERANT CYCLE 8.1. OUTDOOR UNITS 8.1.1. RAS-5FSG Refrigerant Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Heating Refrigerant Piping Flow for Cooling Connection Connection Connection Part Name Part Name Part Name Compressor Micro-Computer Control Expansion Valve (Indoor)

  • Page 137: Ras-8/10Fsg

    REFRIGERANT CYCLE 8.1.2. RAS-8/10FSG Ø22.2 or Ø25.4 (8HP) Ø25.4 or Ø28.6 (10HP) Ø22.2 or Ø25.4 (8HP) Ø25.4 or Ø28.6 (10HP) Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Cooling Flow for Heating Refrigerant Piping Connection...

  • Page 138: Ras-16/20Fsg

    REFRIGERANT CYCLE 8.1.3. RAS-16/20FSG Only for 20HP Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Cooling Flow for Heating Refrigerant Piping Connection Connection Connection Part Name Part Name Part Name Compressor Micro-Computer Control Expansion Valve (Indoor)

  • Page 139: Ras-24/30Fsg1

    REFRIGERANT CYCLE 8.1.4. RAS-24/30FSG1 Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Heating Refrigerant Piping Flow for Cooling Connection Connection Connection Part Name Part Name Part Name Compressor Micro-Computer Control Expansion Valve (Indoor) Check Joint Indoor Heat Exchanger...

  • Page 140: Ras-8/10Fxg

    REFRIGERANT CYCLE 8.1.5. RAS-8/10FXG Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Heating Refrigerant Piping Flow for Cooling Connection Connection Connection Part Name Part Name Part Name Compressor Micro-Computer Control Expansion Valve (Liquid Bypass) Stop Valve (1) for Gas Low Line Heat Exchanger...

  • Page 141: Ras-20Fxg1

    REFRIGERANT CYCLE 8.1.6. RAS-20FXG1 Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Cooling Flow for Heating Refrigerant Piping Connection Connection Connection Part Name Part Name Part Name Compressor Reversing Valve Stop Valve (1-1/4) for Gas Low Line Heat Exchanger...

  • Page 142: Ras-30Fxg1

    REFRIGERANT CYCLE 8.1.7. RAS-30FXG1 Refrigerant: Airtight Test Pressure: Refrigerant : Refrigerant : Field : Flare : Flange : Brazing R407C 3.3 MPa Flow for Cooling Flow for Heating Refrigerant Piping Connection Connection Connection Part Name Part Name Part Name Compressor Reversing Valve Stop Valve (5/8) for Liquid Line Heat Exchanger...

  • Page 143: Ch - Units

    REFRIGERANT CYCLE 8.2. CH - UNITS 8.2.1. CH UNIT CH-4.0GE ð ï To Outoor Unit To Indoor Unit Liquid Line Liquid Line High Pressure Gas Line High Pressure Gas Line Low Pressure Gas Line Low Pressure Gas Line Refrigerant : Refrigerant : Field : Flare Flow for Heating...

  • Page 144: Ch Unit Ch-6.5Ge

    REFRIGERANT CYCLE 8.2.2. CH UNIT CH-6.5GE ï ð To Indoor Unit To Outoor Unit Liquid Line Liquid Line High Pressure Gas Line High Pressure Gas Line Low Pressure Gas Line Low Pressure Gas Line Refrigerant : Refrigerant : Field : Flare Flow for Cooling Flow for Heating Refrigerant Piping...

  • Page 145: Ch Unit Ch-11.5G

    REFRIGERANT CYCLE 8.2.3. CH UNIT CH-11.5G ð ï To Outoor Unit To Indoor Unit Liquid Line Liquid Line High Pressure Gas Line High Pressure Gas Line Low Pressure Gas Line Low Pressure Gas Line Refrigerant : Refrigerant : Field : Flare Flow for Cooling Flow for Heating Refrigerant Piping...

  • Page 147: Control System

    CONTROL SYSTEM 9. CONTROL SYSTEM CONTENTS CONTROL SYSTEM _______________________________________________________ 1 9.1. Device Control System _____________________________________________________ 2 9.1.1. RAS-5~20FSG ____________________________________________________________ 2 9.1.2. RAS-24/30FSG1___________________________________________________________ 3 9.1.3. RAS-8/10FXG_____________________________________________________________ 4 9.1.4. RAS-20/30FXG1___________________________________________________________ 5 9.2. Indoor Unit PCB __________________________________________________________ 6 9.2.1. Printed Circuit board Layout (except RPK) ______________________________________ 6 9.2.2.

  • Page 148: Device Control System

    CONTROL SYSTEM 9.1. DEVICE CONTROL SYSTEM 9.1.1. RAS-5~20FSG Purpose Control Subject Cooling Operation Heating Operation Fan Revolution of Outdoor Unit For Controlling Discharge Pressure: Pd For Controlling Pressure based on Outdoor air Temperature Opening Degree of Micro- Fully Open For Controlling Temperature of Discharge Super- Computer Control Expansion Heat: Td SH Valve of Outdoor Unit...

  • Page 149: Ras-24/30Fsg1

    CONTROL SYSTEM 9.1.2. RAS-24/30FSG1 Purpose Control Subject Cooling Operation Heating Operation Inverter Frequency of 1. Total Operating Indoor Unit Capacity 1. Total Operating Indoor Unit Capacity Compressor 2. Collection according to Piping Length 2. Collection according to Piping Length 3. Discharge Pressure (pd.) 3.

  • Page 150: Ras-8/10Fxg

    CONTROL SYSTEM 9.1.3. RAS-8/10FXG Purpose Control Subject Cooling Operation Heating Operation Fan Revolution of Outdoor Unit For Controlling Discharge Pressure: Pd For Controlling Pressure based on Outdoor air (Main Control for Pd) Temperature Opening Degree of Exp. V for For Controlling Temperature of Discharge Super- Closed Liquid Bypass: MVB Heat: Td SH...

  • Page 151: Ras-20/30Fxg1

    CONTROL SYSTEM 9.1.4. RAS-20/30FXG1 Purpose Control Subject Cooling Operation Heating Operation Inverter Frequency of For Controlling Suction For Controlling Discharge Compressor Pre. : Ps Pre. : Pd Opening Degree of Expansion For Controlling Discharge Pre. : Pd For Controlling Temp. of Discharge Gas: Td (TdSH) Valve of Outdoor Unit Opening Degree of Expansion For Controlling Temp.

  • Page 152: Indoor Unit Pcb

    CONTROL SYSTEM 9.2. INDOOR UNIT PCB 9.2.1. PRINTED CIRCUIT BOARD LAYOUT (EXCEPT RPK) PCB drawing The PCB in the Indoor Unit is operating with 4 types of DIP Switches, 1 sliding Switch and 1 Rotary Switch. The location is as follows: LED's INDICATION LED1 Green...

  • Page 153: Printed Circuit Board Layout (Only Rpk)

    CONTROL SYSTEM 9.2.2. PRINTED CIRCUIT BOARD LAYOUT (ONLY RPK) PCB drawing The PCB in the Indoor Unit is operating with 5 types of DIP Switches, 1 sliding Switch, 1 Rotary Switch and 1 push Switch. The location is as follows: LED's INDICATION This LED indicates the LED1...

  • Page 154: Dip Switch Setting

    CONTROL SYSTEM 9.2.3. DIP SWITCH SETTING RSW: Unit No. Setting DSW5: Refrigerant Cycle No. Setting Setting is required. Set the unit No. of all indoor units Setting is required. Setting position before shipment are respectively and serially, by following setting position all OFF (Refrigerant cycle No.

  • Page 155: Outdoor Unit Pcb

    CONTROL SYSTEM 9.3. OUTDOOR UNIT PCB 9.3.1. PRINTED CIRCUIT BOARD LAYOUT PCB drawing The PCB in the Outdoor Unit is operating: FSG/FXG FSG1/FXG1 CONNECTOR INDICATION CONNECTOR INDICATION DSW1 Setting of Outdoor Unit Number Manual Defrosting Switch. PSW1 Setting of Capacity Code The defrosting operation is manually available under the forced defrosting area DSW2...

  • Page 156: Dip Switch Setting

    CONTROL SYSTEM 9.3.2. DIP SWITCH SETTING n n n n DSW3: HIGH DIFFERENCE Setting is required NOTE: The mark “{” indicates position of dips switches. FSG/FSG1 Figures show setting before shipment or after The Outdoor Unit is located higher than selection.
  • Page 157 CONTROL SYSTEM n n n n DSW7: COMPRESSOR EMERGENCY OPERATION n n n n DSW5: OPTIONAL FUNCTION SETTING Setting is not required. All compressor are running except Setting is required. Set the dip switch according to your compressor selected requirements. Before shipment 5~20HP 24~30HP...

  • Page 158: Protection And Safety Control

    CONTROL SYSTEM 9.4. PROTECTION AND SAFETY CONTROL Compressor Protection The compressor is protected by the following devices and their combinations: This switch cuts out the operation of the compressor when the discharge pressure exceeds the High Pressure Switch setting. This band type heater protects against oil carry-over during cold starting, as it is energized while Oil Heater the compressor is stopped.

  • Page 159: Standard Operation Sequence

    CONTROL SYSTEM 9.6. STANDARD OPERATION SEQUENCE I.U.: Indoor Unit 9.6.1. COOLING OPERATION (FSG, FSG1) O.U.: Outdoor Unit...
  • Page 160 CONTROL SYSTEM Cooling Operation (FSG, FSG1, cont.)

  • Page 161: Cooling (Mainly Cooling) Operation (Fxg, Fxg1)

    CONTROL SYSTEM 9.6.2. COOLING (MAINLY COOLING) OPERATION (FXG, FXG1) I.U.: Indoor Unit O.U.: Outdoor Unit...
  • Page 162 CONTROL SYSTEM Cooling (mainly Cooling) Operation (FXG, FXG1, cont.)

  • Page 163: Dry Operation (Fsg, Fsg1)

    CONTROL SYSTEM 9.6.3. DRY OPERATION (FSG, FSG1) I.U.: Indoor Unit O.U.: Outdoor Unit...
  • Page 164 CONTROL SYSTEM Dry Operation (FSG, FSG1, cont.)

  • Page 165: Dry Operation (Fxg, Fxg1)

    CONTROL SYSTEM 9.6.4. DRY OPERATION (FXG, FXG1) I.U.: Indoor Unit O.U.: Outdoor Unit...
  • Page 166 CONTROL SYSTEM Dry Operation (FXG, FXG1, cont.)

  • Page 167: Heating Operation (Fsg, Fsg1)

    CONTROL SYSTEM 9.6.5. HEATING OPERATION (FSG, FSG1) I.U.: Indoor Unit O.U.: Outdoor Unit...
  • Page 168 CONTROL SYSTEM Heating Operation (FSG, FSG1, cont.)

  • Page 169: Heating (Mainly Heating) Operation (Fxg, Fxg1)

    CONTROL SYSTEM 9.6.6. HEATING (MAINLY HEATING) OPERATION (FXG, FXG1) I.U.: Indoor Unit O.U.: Outdoor Unit...
  • Page 170 CONTROL SYSTEM Heating (mainly Heating) Operation (FXG, FXG1, cont.)
  • Page 171 CONTROL SYSTEM Defrosting Operation Control...

  • Page 172: Standard Control Functions

    CONTROL SYSTEM 9.7. STANDARD CONTROL FUNCTIONS 9.7.1. FREEZING PROTECTION CONTROL DURING COOLING OR DRY OPERATION...

  • Page 173: Gas Bypass Control

    CONTROL SYSTEM 9.7.2. 9.7.3. GAS BYPASS CONTROL OVER HEATING PROTECTION CONTROL...

  • Page 174: Control Of Expansion Valve For Plate Heat Exchange

    CONTROL SYSTEM 9.7.4. CONTROL OF EXPANSION VALVE FOR PLATE HEAT EXCHANGE For 24 and 30HP FSG1, 20 and 30HP FXG1 NOTE: 1. Td. (*1): Temperature at Top of Compressor 2. TD (*2): Td is became to suitable temperature area by PID control of expansion valve for plate exchanger as shown in the graph.

  • Page 175: Compressor Running Control

    CONTROL SYSTEM 9.7.5. COMPRESSOR RUNNING CONTROL RAS-5FSG RAS-20FSG Constant Speed Compressor Inverter Compressor Frequency (Hz) Inverter Compressor Frequency (Hz) Target Frequency (Hz) Target Frequency (Hz) RAS-8FSG/FXG RAS-20FXG1 Constant Speed Constant Speed Compressor Compressor Inverter Inverter Compressor Compressor Frequency (Hz) Frequency (Hz) Target Frequency (Hz) Target Frequency (Hz) RAS-10FSG/FXG...

  • Page 176: Control For Auto Cool/Heat Operation

    CONTROL SYSTEM 9.7.6. CONTROL FOR AUTO COOL/HEAT OPERATION...

  • Page 177: Available Optional Functions

    AVAILABLE OPTIONAL FUNCTIONS 10 AVAILABLE OPTIONAL FUNCTIONS CONTENTS AVAILABLE OPTIONAL FUNCTIONS _________________________________________ 1 10.1. Indoor Unit (except RPK)____________________________________________________ 2 10.1.1. Input and Output Setting of Indoor PCB Connector ________________________________ 2 10.1.2. Remote Control ON/OFF Function ____________________________________________ 4 Cancellation of Commands from Remote Control Switch after Forced Stoppage 06 ______ 5 10.1.3.

  • Page 178: Indoor Unit (Except Rpk)

    AVAILABLE OPTIONAL FUNCTIONS 10.1. INDOOR UNIT (EXCEPT RPK) b. At the condition of the above item (a), press the "TEMP ~" switch or the "TEMP }" switch of the remote 10.1.1. INPUT AND OUTPUT SETTING OF INDOOR control switch and the indoor unit for the input and output PCB CONNECTOR setting can be changed.
  • Page 179 AVAILABLE OPTIONAL FUNCTIONS § Indications and Input and Output Signals Selection of Other Indoor Unit At the optional setting mode, press the "TEMP ~" switch Indication Input Output or the "TEMP }" switch, the condition of the remote Not set Not set control switch is changed so that the indoor unit can be selected for the input and output setting described in...

  • Page 180: Remote Control On/Off Function

    AVAILABLE OPTIONAL FUNCTIONS § Remote Control ON/OFF Function 2 10.1.2. REMOTE CONTROL ON/OFF FUNCTION Operation " " " / Stop # " # (pulse Signal Input) This function provides a control to stop and start the system from a remote place. Four methods are available by using This is an ON/OFF function from a remote place by using each signal from a building management system.
  • Page 181 AVAILABLE OPTIONAL FUNCTIONS 10.1.3. CANCELLATION OF COMMANDS FROM 10.1.4. COOLING OR HEATING OPERATION MODE SETTING % REMOTE CONTROL SWITCH AFTER FORCED STOPPAGE $ By utilizing this function, the cooling or heating operation mode can be changed by giving a contact signal from the By using the signal from a building management system, the outside to the unit.

  • Page 182: Control By Field-Supplied Room Thermostat

    AVAILABLE OPTIONAL FUNCTIONS 10.1.5. CONTROL BY FIELD-SUPPLIED ROOM 10.1.6. REMOTE TEMPERATURE SENSOR THERMOSTAT CONTROL In the case that a field-supplied room thermostat instead of By using an optional remote temperature sensor, the the inlet thermistor of the Indoor Unit is used, connect wires following are available: as shown below.

  • Page 183: Picking Up Signals

    AVAILABLE OPTIONAL FUNCTIONS 3. Picking Up Cooling Operation Signal (! 10.1.7. PICKING UP SIGNALS This function is utilized to pick up the cooling operation By using this function, the signals indicated can be picked signal. The contact of X1 is closed when cooling up giving information about how the unit is working in order operation signal is ON despite "Thermo ON"...

  • Page 184: Indoor Unit (Rpk Only)

    AVAILABLE OPTIONAL FUNCTIONS 5. Picking Up Heating Operation Signal (# 6. Picking Up Thermo-ON" Signal during Heating Operation ($ This function is utilized to pick up the heating operation signal. The contact of X1 is closed when heating This function is utilized to pick up the heating "Thermo- operation signal is ON despite "Thermo ON"...
  • Page 185 AVAILABLE OPTIONAL FUNCTIONS § Specifications on Required Components are the following: Remote Control 2 (Pulse Signal Input) (2) This is an ON/OFF function from a remote place by using Manufacturer or Pulse Signal. The basic wiring and the Time Chart are Component Remarks Specifications...

  • Page 186: Cancellation Of Commands From Rcs After Forced Stoppage (3)

    AVAILABLE OPTIONAL FUNCTIONS 10.2.2. CANCELLATION OF COMMANDS FROM 10.2.3. REMOTE COOLING / HEATING MODE RCS AFTER FORCED STOPPAGE (3). CHANGE OVER (4) This function provides a control to stop the system and lock Remote Control Switch automatically from a remote place The operation Mode of the unit can be changed from by using level signal.

  • Page 187: Automatic Operation When Power Supply On (5)

    AVAILABLE OPTIONAL FUNCTIONS Indoor Unit PCB 10.2.4. AUTOMATIC OPERATION WHEN POWER SUPPLY ON (5) 1 2 3 4 5 6 7 8 If the power supply is interrupted for short periods of time DSW2 (up to 2 seconds) the Remote Control switch will retain the settings and the unit will restart when the power is restored.

  • Page 188: Outdoor Units

    AVAILABLE OPTIONAL FUNCTIONS 10.3. OUTDOOR UNITS § Indications and Input and Output Signals 10.3.1. INPUT AND OUTPUT SETTINGS OF OUTDOOR UNIT CONNECTOR Function Input Output On the outdoor unit printed circuit board, there are three Fixing Heating Mode Operation Signal input ports (CN17, CN18) to receive external signals and Fixing Cooling Mode Alarm Signal...
  • Page 189 AVAILABLE OPTIONAL FUNCTIONS § Setting Procedures 10.3.2. FIXING OPERATION MODE (HEATING     / COOLING ) In the case that the above setting change is required at site, perform the following procedures. In the case that the fixing input terminals of the operation 1.

  • Page 190: Demand (3)

    AVAILABLE OPTIONAL FUNCTIONS 10.3.3. DEMAND ( ! ! ! ! ) 10.3.5. ENFORCED STOPPAGE ( # # # # ) In the case that the demand input terminals on the outdoor The compressor is stopped and the indoor fan motor is unit printed circuit board are short-circuited, compressor(s) stopped when the forced stoppage input terminals(CN18 is stopped.

  • Page 191: Demand Current Control (Only For 24 And 30 Hp) (6/7/8)

    AVAILABLE OPTIONAL FUNCTIONS 10.3.6. DEFROSTING CONDITION CHANGEOVER 10.3.7. DEMAND CURRENT CONTROL (ONLY FOR FSG1 AND FXG1) ( $ $ $ $ / % % % % / & & & & ) By changing the position of No.5 on dip switch, DSW5, defrosting operation conditions can be changed.

  • Page 192: All Season Heating Operation

    AVAILABLE OPTIONAL FUNCTIONS 10.3.9. ALL SEASON HEATING OPERATION 10.3.10. ALL SEASON COOLING OPERATION By setting the dip switch, the heating operation through the By setting the dip switch, the cooling operation through the year is available. year is available. The cooling operation is continued a low The heating operation is continued under a high outdoor temperature.

  • Page 193: Night Shift (Low Sound) Operation

    AVAILABLE OPTIONAL FUNCTIONS 10.3.11. NIGHT SHIFT (LOW SOUND) § Frequency Range OPERATION Outdoor Unit Minimum Maximum Conditions By Changing No.2 of the dip switch, DSW5, the night shift Capacity (HP) Frequency Frequency (low sound) operation can be set. In case of the night shift 95 Hz operation, the cooling capacity is decreased down to 60%.

  • Page 194: Picking Up Signals From Outdoor Unit Printed Circuit Board

    AVAILABLE OPTIONAL FUNCTIONS § Picking Up Compressor ON Signal ( ! ! ! ! ) 10.3.12. PICKING UP SIGNALS FROM OUTDOOR UNIT PRINTED CIRCUIT BOARD With this procedure the compressor signal can be picked up. The method is explained in the figure below. The required part is indicated in Table 4.

  • Page 195: Optional Functions Available Through Remote Control Switch

    AVAILABLE OPTIONAL FUNCTIONS 10.4. OPTIONAL FUNCTIONS AVAILABLE THROUGH REMOTE CONTROL SWITCH b. At the condition of the above item (a), press the 10.4.1. OPTIONAL FUNCTIONS SETTING "TEMP ~" switch or the "TEMP }" switch of the The remote control switch is changed to the optional setting remote control switch and the indoor unit for which the mode by the following procedures.
  • Page 196 AVAILABLE OPTIONAL FUNCTIONS § b. Press the "TIME ~" switch or the "TIME }" switch, Selection of other Indoor Unit the optional function item is changed as shown below. At the optional setting mode, press the "TEMP ~" switch or the "TEMP }", the condition of the remote control switch is changed so that the Indoor Unit can be selected When pressing the to set the optionsl function described in the item (3)
  • Page 197 AVAILABLE OPTIONAL FUNCTIONS Setting Items of Optional Functions Individual Setting Items Optional Functions Contents Setting Condition Removal of Heating Temperature Not Available O O O O Calibration Available Circulation Function at Heating Not Available O O O O Thermo-OFF Available Enforced 3 Minutes Minimum Not Available O O O O...

  • Page 198: Optional Functions Of Remote Control Switch

    AVAILABLE OPTIONAL FUNCTIONS Individual Setting Items Optional Functions Contents Setting Condition – Not prepared Standard O O O O Precooling/Preheating Period 30 minutes 60 minutes – Not prepared No Function OFF Timer by 1 Hour OFF Timer by 2 Hour ×...
  • Page 199 AVAILABLE OPTIONAL FUNCTIONS 15. High Speed at Heating Thermo-OFF [+$ Period for Filter Sign Indication Approx. Approx. Approx. This function is utilized to increase the fan speed when 100 hrs 1,200 hrs 2,500 hrs Indication thermo-OFF in heating operation with the function (14). In Case of 4-Way (The fan speed is not increased when thermo-OFF in ¡...
  • Page 200 AVAILABLE OPTIONAL FUNCTIONS 24. Power Supply ON/OFF 2 [@! 27. With Humidifier (Only Indication) This function is utilized to start the unit operation again (Total Heat Exchanger Model) [-! automatically when the power supply is recovered after This function is utilized to control the total heat exchanger the power failure over 2 seconds.

  • Page 201: Optional Functions Available Through Remote Control Switch (Pc-P5H)

    AVAILABLE OPTIONAL FUNCTIONS 10.5. OPTIONAL FUNCTIONS AVAILABLE THROUGH REMOTE CONTROL SWITCH (PC-P5H) Normal mode (When unit is not operating) Press the Î ( ) Ï ( ) and Ð ( )Switch Change to the function setting mode simultaneously Press the Î ( ) Ï...

  • Page 202: Optional Functions Available Through Wireless Remote Control Switch (Pc-Lh3 + Receiver)

    AVAILABLE OPTIONAL FUNCTIONS 10.6. OPTIONAL FUNCTIONS AVAILABLE THROUGH WIRELESS REMOTE CONTROL SWITCH (PC-LH3A + RECEIVER) § 10.6.1. OPTIONAL FUNCTIONS Setting of sub-receiver part For this optional function set pin marked with É to ON The following optional functions can be set by the dip switches of the receiver part.

  • Page 203: Remote Controllers Operation

    Remote Control Cable (PRC-10E~PRC-30E) ___________________________________ 25 11.6.3. 3P Connector Cable _______________________________________________________ 25 & HITACHI products have different optional Remote Controls. CAUTION: Therefore, the user may order the optional Remote Control Press switches only with fingers. Do not press switches as required. In the following pages, all possible functions and by any other item, as it may damage the switches.

  • Page 204: Liquid Crystal Remote Control Switch (Pc-P1He)

    REMOTE CONTROLLERS OPERATION 11.1 LIQUID CRYSTAL REMOTE CONTROL SWITCH (PC-P1HE) Liquid Crystal Display (L.C.D) Section Ñ LOUVER (Swing Louver Operation) Switch Ò TIME (Time Setting) Switch Increases and decreases the Set Time for timer operation Ó ON/OFF TIMER Switch Used to activate or deactivate the timer operation Ô...

  • Page 205: Operation Procedure For Cooling, Heating, Dry And Fan Operations

    REMOTE CONTROLLERS OPERATION 11.1.1. OPERATION PROCEDURE FOR COOLING, HEATING, DRY AND FAN OPERATIONS Before Operation Supply electrical power to the system for approximately 12 hours before start-up after long & shutdown. Do not start the system immediately after power supply, it may cause a CAUTION: compressor failure, because the compressor is not heated well.

  • Page 206: Operation Procedure For Timer Operation

    (The figure shows when setting "A/C + VENTI"). NOTE: Contact your distributor or dealer of HITACHI for detailed information. In case that the mode is changed to VENTI during individual operation of the air conditioner, the air conditioner is stopped.

  • Page 207: Operation Procedure For Swing Louver Adjustment

    REMOTE CONTROLLERS OPERATION 11.1.6. OPERATION PROCEDURE FOR SWING LOUVER ADJUSTMENT 1. When the SWING LOUVER switch is pressed, the RCI (4-Way Cassette Type) swing louver starts its operation. The range of the Indication swinging angle is approximately 70° from the horizontal position to the downward position.

  • Page 208: Indication When In Normal Condition

    Indoor Unit Number Alarm Code Check the contents of the indications and contact your distributor or dealer of HITACHI. n Power Failure All the indications are OFF. Once the unit is stopped by power failure, the unit will not be started again Model Code although the power recovers.

  • Page 209: Optional Remote Controller (Pc-5H)

    Í Ð FAN SPEED Setting Switch-Medium Ð FAN SPEED Setting Switch-Low Î Ï HITACHI To Start To Stop Ë 1. When turning ON the indoor unit, initial process will start. 1. Press the Switch. Air Conditioning is stopped and all the LEDs are turned OFF.

  • Page 210: Optional Wireless Remote Control Switch, Pc-Lh3A

    REMOTE CONTROLLERS OPERATION 11.3 OPTIONAL WIRELESS REMOTE CONTROL SWITCH, PC-LH3A É Transmitter Point the transmitter towards the receiver of the indoor unit when sending commands. The Transmitting indication on the liquid crystal display flashes when sending commands. Ê Transmitting Indication Ë...

  • Page 211: Operation Procedure

    REMOTE CONTROLLERS OPERATION 11.3.1. OPERATION PROCEDURE When operating the controller, face the transmitter toward the receiver of the indoor unit and press the switch for the required operation as followings. The operation commands are sent by pressing the required operation switch by facing the transmitter of the controller toward the receiver of the indoor unit.

  • Page 212: Receiver Kit

    REMOTE CONTROLLERS OPERATION 11.3.2. RECEIVER KIT PC-RLH4 Operate Defrost Open Filter Timer One of this receiver Kits is required for indoor units to receive the signal when using wireless remote control switch (PC-LH3A). Applied Models: Model On the Wall On the Panel 7-Segment for alarm code RCI-(1.0~5.0)

  • Page 213: Operation For Multiple Indoor Units

    REMOTE CONTROLLERS OPERATION 11.3.4. OPERATION FOR MULTIPLE INDOOR UNITS Installation of Units for Wireless Control Standard Unit with or without receiver In case of operating the multiple indoor units (Max. 16 units) simultaneously by wireless controller, the air panel for wireless control should be applied only to the unit for operation, and without receiver kit (for wired control) should be applied to other units.
  • Page 214 REMOTE CONTROLLERS OPERATION unit unit unit unit 3. Set the RSW switches on the printed circuit board in the RSW Setting electrical box of each indoor unit as shown in the next figure. 4. Check the number of Indoor Units Connected when test unit unit unit...

  • Page 215: Optional 7-Day Timer (Psc-5T)

    REMOTE CONTROLLERS OPERATION 11.4 OPTIONAL 7-DAY TIMER (PSC-5T) Features: Functions: By pluggin this timer to the optional remote control switch or 1. ON/OFF setting time in a week central station, daily ON/OFF operation control throughout 2. ON/OFF setting in available three (3) times a day the week is available.

  • Page 216: Setting Present Day And Present Time

    REMOTE CONTROLLERS OPERATION 11.4.1. SETTING PRESENT DAY AND PRESENT TIME (<Example> present Day: Friday, Present Time: 5:15 PM). During the setting mode, the setting of the present time is not available when depressing the "PRESENT" switch more than 3 seconds. ATTENTION 1.

  • Page 217: Setting On/Off Time

    REMOTE CONTROLLERS OPERATION 11.4.3. SETTING ON/OFF TIME (<Example> "A" pattern, Friday, Setting 2, PM 1:00 (ON) / PM 5:00 (OFF) In case that the remote control switch (PC-2H2 is used together, both setting of ON TIME and OFF TIME are required for setting a, 2 and 3. (The setting of ON TIME (or OFF TIME) only is not available).

  • Page 218: Setting Running Day

    REMOTE CONTROLLERS OPERATION 11.4.4. SETTING RUNNING DAY <Function> To set the day for actual operation of the running schedule set before. (Though the ON time and OFF time are set, the schedule operation is not available unless the running day is set.) <Example>...

  • Page 219: Checking Contents Of Setting

    Installation of central Station for more details. Check to ensure that the wiring connection and the setting of dip switches are correct. In the case that the RUN indicator is still flickered after checking, contact your distributor or dealer of HITACHI.

  • Page 220: Optional Central Station (Psc-5S)

    REMOTE CONTROLLERS OPERATION 11.5 OPTIONAL CENTRAL STATION (PSC-5S) Ò Temperature Setting Switch Ó This Switch is not used Ô Check Switch By depressing this switch, "CHECK" is indicated and Master or Slave unit can be set. See sub-chapter 16.3.5 for more details. Õ...

  • Page 221: Group Selection And Monitoring Unit Operation Status

    REMOTE CONTROLLERS OPERATION 11.5.1. GROUP SELECTION AND MONITORING UNIT OPERATION STATUS The central station can control up to 16 groups by each group or simultaneously. (The selected groups can be operated and the unit operation status of the groups can be monitored).

  • Page 222: Setting Of Operation Mode

    The same setting procedure shall be performed for other groups. In case of the same setting for all groups, select the group number of "AA". - Some operation modes can not be set according to the unit model. Contact to HITACHI dealer or your distributor for details.
  • Page 223 REMOTE CONTROLLERS OPERATION <FAN SPEED> Depress the "FAN SPEED" switch. By depressing the "FAN SPEED" switch, the indication is changed in the following order: HIGH The right figure shows the case of setting "HIGH" speed. NOTE: In case of dry operation, the fan speed is automatically changed and fixed at the "LOW" fan speed.

  • Page 224: Unit Operation

    REMOTE CONTROLLERS OPERATION 11.5.4. UNIT OPERATION 1. Depress the "GROUP" switch and select the group. (Refer to item 2 of "Group Selection and Monitoring Unit Operation Status" in previous pages The right figure shows the case of selecting group 4 2.

  • Page 225: Timer Operation

    During the emergency stoppage, indoor units are stopped and the operation by the remote control switch is not available. Contact your distributor or dealer of HITACHI for details. <DEMAND> The "DEMAND" is indicated when the demand input is set by the outside input function.

  • Page 226: Optional Accessories For Rcs

    § In case that multiple units are in abnormal conditions, the above indication is indicated by turns. § Check the contents of LCD indication and contact your distributor or dealer of HITACHI for details. <POWER FAILURE>...

  • Page 227: Remote Control Cable (Prc-10E~Prc-30E)

    REMOTE CONTROLLERS OPERATION 11.6.2. REMOTE CONTROL CABLE (PRC-10E~PRC-30E) For PC-RLH4 and old PC-2H2 The length of the remote control cable for PC-2H2 box is 8 m. If the remote control cable longer than 8 m is needed, connect a control cable (0.3 mm² ´ 3 wires) in the field, with soldering, or use an optional extension remote control cable.
  • Page 229 3$57 ,, ,167$//$7,21 '$7$...

  • Page 231: Units Installation

    UNITS INSTALLATION 12 UNITS INSTALLATION CONTENTS UNITS INSTALLATION _____________________________________________________ 1 12.1 Transportation and Handling _________________________________________________ 3 12.1.1 Transportation of Outdoor Unit ________________________________________________ 3 12.2 RCI (4-Way Cassette Type) _________________________________________________ 4 12.2.1 Factory-Supplied Accessories ________________________________________________ 4 12.2.2 Initial Check ______________________________________________________________ 4 12.2.3 Opening of false ceiling and suspension bolt _____________________________________ 4 12.2.4...
  • Page 232 UNITS INSTALLATION WARNING: - Mount suspension bolts using M10 (W3/8) as size, as - Check to ensure that the accessories are packed with shown below: the indoor unit. - Do not install the indoor units outdoors. If installed outdoors, an electric hazard or electric leakage will occur.

  • Page 233: Transportation And Handling

    UNITS INSTALLATION 12.1 TRANSPORTATION AND HANDLING Rope Position) 12.1.1 TRANSPORTATION OF OUTDOOR UNIT 1. Hanging Method When hanging the unit, ensure a balance of the unit, check safety and lift up smoothly. Rope Rope § For Transportation Square Square - Do not remove any packing materials. Hole Hole - Hang the unit under packing condition with ropes...

  • Page 234: Rci (4-Way Cassette Type)

    UNITS INSTALLATION 12.2 RCI (4-WAY CASSETTE TYPE) 12.2.1 FACTORY-SUPPLIED ACCESSORIES 12.2.2 INITIAL CHECK n Install the indoor unit with a proper clearance around it (Models: RCI-1.0~5.0) for operation and maintenance working space, as shown below (Space around Indoor Unit). Accessory Quantity Purpose n Provide a service access door near the unit piping...

  • Page 235: Installation

    UNITS INSTALLATION 12.2.4 INSTALLATION - Adjust the indoor unit to the correct position while checking with the pattern for installation. Mounting of Suspension Brackets (Factory- Supplied) Mount the suspension brackets to the sling bolts and secure them with nuts (*Field Supplied) as shown below Sling Bolt (M10) Pattern paper Lock Nut*...

  • Page 236: Air Panels For Installation

    UNITS INSTALLATION Installing Air Panel following the next steps: 12.2.5 AIR PANELS FOR INSTALLATION 1. Hang the air panel from the indoor unit by hooking P-G13WA(H)2E(1) P-G23WA(H)2E(1), P-G46WA(H)2E(1) the U-shaped wires of the air panel into the hook wires of the indoor unit. &...
  • Page 237 UNITS INSTALLATION Electrical Box for Indoor Unit 5. Wiring connection for Air Panel & CAUTION: View from lower surface Before connecting connectors, firstly turn OFF power of Air Panel without Air Connector for source. If the connectors are connected without Intake Grille Auto Swing Motor...

  • Page 238: Rcd (2-Way Cassette Type)

    UNITS INSTALLATION 12.3 RCD (2-WAY CASSETTE TYPE) 12.3.1 FACTORY-SUPPLIED ACCESSORIES 12.3.2 INITIAL CHECK § Install the indoor unit with a proper clearance around it (Models: RCD-1.0~5.0) for operation and maintenance working space, as shown in next page. Accessory Quantity Purpose §...

  • Page 239: Opening Of False Ceiling And Suspension Bolt

    UNITS INSTALLATION § Mounting of Indoor Unit 12.3.3 OPENING OF FALSE CEILING AND Lift the indoor unit by hoist, and do not apply any force SUSPENSION BOLT on the drain pan. Cut out the area for the indoor unit in the false ceiling and Hook the indoor unit on the suspension brackets.

  • Page 240: Air Panels For Installation

    UNITS INSTALLATION & Wireless CAUTION: Auto Swing Motor Air Discharge Receiver Part Check the level of the unit using a water level or transparent plastic tube containing water, as shown below, to avoid incorrect operation of the drain discharge mechanism in the indoor unit. The drain piping side of the indoor unit must be approximately 5 mm lower than the other parts.
  • Page 241 UNITS INSTALLATION 4. Check to ensure that there is no gap around the contacting surface between the indoor unit and the air panel. Any gap may cause air leakage or dewing. Electrical Box of To protect the panel from being damaged, the long screws Indoor Unit for securing the air panel have stoppers so that tightening is stopped at the setting position.

  • Page 242: Rpc (Ceiling Type)

    UNITS INSTALLATION 12.4 RPC (CEILING TYPE) 12.4.1 FACTORY SUPPLIED ACCESSORIES 12.4.3 INSTALLATION (Models: RPC-2.0~5.0) Mounting suspension bracket (Factory Accessory Q'ty Purpose Supplied) Suspension For Unit § When installing the indoor Bracket Suspension unit, use the installation Fixing Screw (M4 x 10mm) pattern printed on the inner side of the carton box, Drain Hose...
  • Page 243 UNITS INSTALLATION For Hanging Type Installation. - Hook the indoor units on the suspension brackets, by setting the mounting bolts on the units with the notches of Sling Bolt (M10) the bracket, as shown below. Fix the units with the nuts, Indoor unit (Field-Supplied) flat washers and spring washers.
  • Page 244 UNITS INSTALLATION Drain Pan Level - The level of the drain pan has to be checked by a water level of a transparent plastic tube containing water, as shown below so as to avoid the incorrect position of the drain discharge. 0~3mm 0~3mm Transparent plastic...

  • Page 245: Rpi (In-The-Ceiling)

    UNITS INSTALLATION 12.5 RPI (IN-THE-CEILING) (Models: RPI-(0.8~5.0) 12.5.2 INSTALLATION Accessory Purpose Mounting of sling bolts and hanging the Indoor Unit Wire Clamp For Drain Connection Using the dimension shown above select the final location and installation direction of the Indoor Unit Ring Core paying careful attention to the space for the piping, wiring and maintenance.

  • Page 246: Connecting Supply Duct

    UNITS INSTALLATION 12.5.3 CONNECTING SUPPLY DUCT 12.5.5 AIR SUCTION DIRECTION CHANGE § Air suction direction could be modified changing back The supply duct should be connected with the indoor unit through flexible duct, in order to avoid abnormal sounds cover (2) for fan cover (1). Each cover uses 10 fixing vibration.

  • Page 247: Rpk (Wall Type)

    UNITS INSTALLATION 12.6 RPK (WALL TYPE) 12.6.1 FACTORY-SUPPLIED ACCESSORIES 12.6.3 INSTALLATION (Models: RPK-(1.0~2.3) 1. Mounting Bracket onto Wall When the mounting bracket is directly attached to a wood wall or a concrete wall, check to ensure that the wall is strong enough to support a weight of 2000N (200kg).
  • Page 248 UNITS INSTALLATION § Slightly lift the front panel upward in order to release the 4. Mounting the Indoor Units combined parts (three parts) of upper side of the front Check to ensure that the unit is completely hooked onto panel. the mounting bracket.

  • Page 249: Rpf (Floor Type) / Rpfi (Floor Concealed Type)

    UNITS INSTALLATION 12.7 RPF (FLOOR TYPE) / RPFI (FLOOR CONCEALED TYPE) - Service Access Panel 12.7.1 FACTORY-SUPPLIED ACCESSORIES Provide a service access door or panel as shown (Models: RPF(I)1.0/2.5) below. Accessory Purpose Adjustment Bolt For Adjusting the Flat for Intallation Level of the Unit Ring Core Unit...
  • Page 250 UNITS INSTALLATION (mm) WARNING: Model Provide a service access cover which is fixed by RPF-1.0 1045 screws so that the fan runner is not directly touched RPF-1.5 1170 (Only RPFI model). RPFI-1.0 RPFI-1.5 & CAUTION: RPF-2.0 1420 1129 1107 The optional air outlet grille of the RPFI unit can not be RPF-2.5 used in a highly humid place like a kitchen, because RPFI-2.0...

  • Page 251: Ras (Outdoor Unit)

    UNITS INSTALLATION 12.8 RAS (OUTDOOR UNIT) 12.8.1 INSTALLATION LOCATION (5 TO 10 HP) NOTE: n Installation Place In certain cases, a fuse may be blown and the system § Install the outdoor unit in a place where there is my stop in high electro-magnetic turbulence adequate space around the unit for operating and environment.

  • Page 252: Serial Units Installation

    UNITS INSTALLATION § In case that the surrounding wall exists. § In case that the upper side obstacles exists A=Min. 1500 (Top view) Open Space Open Space No limit to wall height The surrounding space front, rear, left and right side, should be open NOTE: –...
  • Page 253 UNITS INSTALLATION B1. Rear to rear installation RAS 5/8/10 HP No limit to wall height No limit to wall height * A space of 900mm is recommended for easier service work. B2. Rear to rear installation RAS 16/20 HP No limit to wall height No limit to wall Height (Front) (Top View)

  • Page 254: Multiple Installation Space

    UNITS INSTALLATION 12.8.4 MULTIPLE INSTALLATION SPACE In case of RAS 5/8/10 HP Keep the upper side open to prevent air short-circuiting. § In case that the front and either of the sides are open. - Installation in the same direction (mm) No Limit to wall Height (Front)
  • Page 255 UNITS INSTALLATION - Rear to rear installation (case 1) (mm) No limit to wall height (Front) (Front) (Top View) * A space of 900mm is recommended for easier service work. - Rear to rear installation (case 2) (mm) No limit to wall height (Front) (Front) * A space of 900mm is recommended for easier service work.
  • Page 256 UNITS INSTALLATION ¬ Fence Min. ¬ In case that the rear space is less than 1600mm and the side space is less than 400mm, apply a field-supplied fence for each unit. In case of RAS 16/20 HP No Limit to wall Height (Front) (Front) (Max.
  • Page 257 UNITS INSTALLATION - Rear to rear installation (case 1) (mm) No limit to wall height (Front) (Front) (Top View) * A space of 900mm is recommended for easier service work. - Rear to rear installation (case 2) (mm) No limit to wall height (Front) (Front) (Top View)
  • Page 258 UNITS INSTALLATION Min. 300 ¬ Fence Min. ¬ In case that the rear space is less than 1600mm and the side space is less than 400mm, apply a field-supplied fence for each unit. In case of RAS 24/30 HP - Rear to rear installation (mm) No limit to wall height (Front)
  • Page 259 UNITS INSTALLATION Consideration to Seasonal Wind Avoid the installation that the air intake side (Rear) of the unit is faced directly against a seasonal strong wind. Seasonal Wind Correct Seasonal Wind Correct Windbreak Fence Air Intake Side (Rear) Air Intake Side (Rear) Incorrect Air Intake Side...

  • Page 260: Foundation Provision

    UNITS INSTALLATION 12.8.5 FOUNDATION PROVISION n Concrete Foundations – The height of the foundation should be 100~300mm higher than the ground level. – Install a drainage around foundation for smooth drain. – When installing the outdoor unit, fix the unit by anchor bolts.
  • Page 261 UNITS INSTALLATION Center of Gravity Outdoor Unit Models: RAS-5FSG Models: RAS-8/10FSG Models: RAS-8-10FXG Models: RAS-16FSG Models: RAS-20FSG Models: RAS-20FXG1 Models: RAS-24/30FSG1, RAS-30FXG1...

  • Page 262: Dimensions Of The Hood (Field-Supplied)

    UNITS INSTALLATION 12.8.6 DIMENSIONS OF THE HOOD (FIELD-SUPPLIED) - Apply munsell code 2.5Y 8/2 beige color for painting the - Following figures show the recommended dimensions of hood. air discharge hood and air intake hood for the outdoor unit. - Apply M5 tapping screws for fixing the hood. - Apply steel plate of thickness 1mm for hood part, and of - Reinforce the hood with supports, if they are necessary thickness 1.6mm for flange part and stay part.
  • Page 263 UNITS INSTALLATION - Installation HOLE FOR HOOD PART Air Discharge Hood M5 Tapping Screw Seasonal Wind Outdoor Unit Air Intake Hood (Rear) Air Intake Hood (Rear) Air Intake Hood (Side) Air Intake Hood (Side) Installation (Top View) Outdoor Unit with Hoods (RAS-5FSG) §...
  • Page 264 UNITS INSTALLATION - Air Intake Hood 13-Ø7 HOLE FOR HOOD PART Make additional 5-Ø3.8mm holes on the rear panel Steel Plate REAR HOOD of the unit with Holes 11-Ø7 Steel Plate Make additional 11-Ø7 4-Ø3.8mm holes with Holes Make additional on the side panel Steel Plate 4-Ø3.8mm holes...
  • Page 265 UNITS INSTALLATION § Hoods for RAS-16FSG, RAS-20FSG/FXG1 - Air Discharge Hood Set this part 10mm away from the end of the cabinet Set this part 10mm away from the end of Make 20-Ø3.8mm the cabinet holes on the side panel of the unit - Air Intake Hood PART P 13-Ø7...
  • Page 266 UNITS INSTALLATION - Installation Air Discharge Hood 10 mm (from the end of the cabinet) M5 Tapping Screw Seasonal Wind Air Intake Hood (Rear) Air Intake Hood (Rear Left) Air Intake Hood (Side) Outdoor Unit Air Intake Hood (Side) Installation (Top View) Outdoor Unit with Hoods (RAS-16FSG, RAS-20FSG/FXG1)
  • Page 267 UNITS INSTALLATION § Hoods for RAS-24/30FSG1, RAS-30FXG1 - Air discharge Hood Make 20-Ø3.8mm holes on the side Set this part 10mm panel of the unit away from the end of the cabinet Details of Stay Details of P - Air Intake Hood Hole for Hood Part 11-Ø7 Make additional...
  • Page 268 UNITS INSTALLATION - Installation Air Intake Hood (Rear) Air Discharge Hood Air Intake Hood (Side) Installation (Top View) 10 mm (from the end of the cabinet) M5 Tapping Screw Seasonal Wind Wire Lope (Example for additional Strength: 4 Locations Air Intake Hood (Rear) Air Intake Hood (Side) Outdoor Unit...

  • Page 269: Transportation And Installation Of Ch Unit

    UNITS INSTALLATION 12.9 TRANSPORTATION AND INSTALLATION OF CH UNIT Factory-Supplied accessories (for CH-6.5GE) 12.9.1 TRANSPORTATION AND HANDLING Accessory Q´ty Purpose Transport the product as close to the installation location as Strainer A For Gas (High) practical before unpacking Piping Size: Piping from Æ15.88mm Outdoor Unit...
  • Page 270 UNITS INSTALLATION 1. Initial Check 2. Suspension Bolts § Install the CH unit with a proper clearance around it for § Select final location and installation direction of the maintenance working space, as shown in below figure: indoor unit paying careful attention to the space for the piping, wiring and maintenance.
  • Page 271 UNITS INSTALLATION 3. Installation Dimensions 1. Marking of the Positions of the Suspension Bolts and CH-4.0GE Piping Connections Field-Supplied Parts CH-11-5G CH-6.5GE § Mark the positions of the Suspension bolts, refrigerant Suspension Bolts 4-M8 or W-5/16 4-M10 or W3/8 piping connections and drain connection. 8-M8 or W-5/16 8-M10 or W3/8 §...

  • Page 272: Optional Accessories

    UNITS INSTALLATION 12.10 OPTIONAL ACCESSORIES 12.10.1 REMOTE SENSOR (THM-R2E) When the room temperature sensing thermistor (Remote sensor) is attached to the auxiliary connector, the unit is 4-M4 controlled by average air temperature at the indoor inlet and (Holes for self- Remote Sensor point.

  • Page 273: Branch Discharge Duct For 4-Way Cassette Type Indoor Units

    UNITS INSTALLATION 12.10.3 BRANCH DISCHARGE DUCT FOR 4-WAY 5. Attach an air filter on the air suction side of the duct for fresh air intake at a position where servicing may be CASSETTE TYPE INDOOR UNITS. carried out easily. (Air passing through the duct does not pass through the filter of the main unit.) In the cases shown in the figure below, branched ducts may 6.
  • Page 274 UNITS INSTALLATION Material: Galvanised Sheet Branched Duct Connection (2- Øc Knockout Hole) 6- Ø6 Hole 60º Øc Øb Attachment 6-M4 (Self-Tapping Screw Hole) Opening and Closing Suction Grille Panel Supplied Separately Fig. B. Dimension Example of Connection Flange Fig. A. Dimensions of Duct Connection Material: Polyurethane Model RCI-1.0...

  • Page 275: Direction Air Flow For 4-Way Cassette Type Indoor Units

    UNITS INSTALLATION 3. Perform sufficient insulation treatment for the attachment portion between the connection flange and the indoor unit "D" main body as well as the attachment portion between the duct and the connection flange. Use a 3-Way Outlet Part set (Optional parts) and "C"...

  • Page 276: Outdoor Unit Drain-Kit (Dbs-26)

    UNITS INSTALLATION 12.11 OUTDOOR UNIT DRAIN-KIT (DBS-26) In the case that drain water from the heat exchanger of the outdoor unit is required to be collected, use the Drain Kit. However, it is not recommended to use it in a snow fall area. If the drain water is required to be collected completely, provide a field-supplied drain pan under the outdoor unit.

  • Page 277: Refrigerant Piping And Refrigerant Charge

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13 REFRIGERANT PIPING AND REFRIGERANT CHARGE CONTENTS REFRIGERANT PIPING AND REFRIGERANT CHARGE __________________________ 1 13.1. Refrigerant Piping Selection _________________________________________________ 2 13.1.1. Refrigerant Piping Work Range _______________________________________________ 2 13.1.2. Refrigerant Piping Length____________________________________________________ 4 13.1.3. Piping Size and Multi-Kit FSG/FSG1 ___________________________________________ 7 13.1.4.

  • Page 278: Refrigerant Piping Selection

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.1. REFRIGERANT PIPING SELECTION Set-Free system is designed considering be available in all installation cases. Therefore, HITACHI is using two different refrigerant pipe distributors: Line Branch system and Header Branch system. Both systems are available for two pipes system (FSG(1)) and three pipes system (FXG(1)) as indicated below.
  • Page 279 REFRIGERANT PIPING AND REFRIGERANT CHARGE Three Pipes System (FXG/FXG1) Applicable Range FXG/FXG1 ITEM 8~10HP 20/30HP £100 £100 Maximum length Actual between O.U. and £125 £125 Equivalent farthest I.U. (L) Piping length from first distributor £30 £30 to each I.U. (Li) £300 Total length from O.U.

  • Page 280: Refrigerant Piping Length

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.1.2. REFRIGERANT PIPING LENGTH The refrigerant piping between the indoor unit and the Keep the design point within the dark area of the chart, outdoor unit should be designed using the following chart. which is showing the applicable height difference according to piping length.
  • Page 281 REFRIGERANT PIPING AND REFRIGERANT CHARGE RAS-(5/8/10/16/20)FSG RAS-(24/30)FSG1 Height Height difference difference When the When the outdoor unit outdoor unit is installed is installed higher than higher than Total length between Piping Piping indoor unit. indoor unit. Total length between outdoor unit and each Length Length outdoor unit and each...
  • Page 282 REFRIGERANT PIPING AND REFRIGERANT CHARGE RAS-20FXG1 <Setting of DSW3> DSW3: Set Height difference DSW3: Not Set This line is included in area B (factory- When the Supplied) outdoor unit is installed higher than DSW3: Set indoor unit. This line is included in area C Total length between O.U.

  • Page 283: Piping Size And Multi-Kit Fsg/Fsg1

    REFRIGERANT PIPING AND REFRIGERANT CHARGE ¡ 13.1.3. PIPING SIZE AND MULTI-KIT FSG/FSG1 Table : Outdoor Unit ~ 1 Multi-Kit Pipe Size (B B B B mm) In addition to the Epoch-making “Uni-Piping System”, where Liquid Outdoor Unit Multi-Kit the same pipe size as the main refrigerant pipe can be Longer utilised, the “Down-Pipe System”...
  • Page 284 REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.1.4. PIPING SIZE AND DISTRIBUTOR FXG/FXG1 Pipe Size System In addition to the Epoch-making “Uni-Piping System”, where the same pipe size as the main refrigerant pipe can be Outdoor Unit Uni-Piping Down-Size utilised, the “Down-Pipe System” is also available for piping ¡...
  • Page 285 REFRIGERANT PIPING AND REFRIGERANT CHARGE ¥ ¨ Table : 2 pipes part Multi-kit ~ Last Multi-kit Table : Branch ~ Indoor Unit Indoor Unit Maximum Pipe Size (f mm) Pipe Size (f mm) CH Unit Multi-Kit Capacity (HP) Length of Liquid Liquid Liquid Pipe...

  • Page 286: Distributor Line Branch And Header Branch

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.2. DISTRIBUTOR LINE BRANCH AND HEADER BRANCH 13.2.1. DIMENSIONAL DATA Line Branch FSG/FSG1 GAS LINE LIQUID LINE...
  • Page 287 REFRIGERANT PIPING AND REFRIGERANT CHARGE GAS LINE LIQUID LINE...
  • Page 288 REFRIGERANT PIPING AND REFRIGERANT CHARGE Line Branch FXG/FXG1 E-52XME1 E-82XME1 NOTE: CH Unit multi-kits corresponds to two pipes system. See Line Branch FSG/FSG1 for more details...
  • Page 289 REFRIGERANT PIPING AND REFRIGERANT CHARGE E-102XME1 E-152X NOTE: CH Unit multi-kits corresponds to two pipes system. See Line Branch FSG/FSG1 for more details...
  • Page 290 REFRIGERANT PIPING AND REFRIGERANT CHARGE E-242X E-302XME1 NOTE: CH Unit multi-kits corresponds to two pipes system. See Line Branch FSG/FSG1 for more details...
  • Page 291 REFRIGERANT PIPING AND REFRIGERANT CHARGE Header Branch FSG/FSG1 GAS LINE LIQUID LINE...
  • Page 292 REFRIGERANT PIPING AND REFRIGERANT CHARGE Header Branch FXG/FXG1 E-88XE3 RAS-8FXG...

  • Page 293: Distribution Method

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.2.2. DISTRIBUTION METHOD § § § § Line Distribution § § § § Installation Position - Horizontal Installation With line distribution method, it is possible to make the first or the second main pipe distribution within the third branch. Locate the branch pipes on the same horizontal And do not make the main pipe distribution, at or after the plane.
  • Page 294 REFRIGERANT PIPING AND REFRIGERANT CHARGE Header Distribution Combination Branch § Branch Method It is possible to connect the header to the second line Do not connect two header branches consecutively branch, when the first branch is also the line branch. Do not connect a line branch to a header branch.

  • Page 295: Piping Work Connection Considerations

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.3. PIPING WORK CONNECTION CONSIDERATIONS Piping Connection 13.3.1. PIPING MATERIALS When connecting liquid piping for the unit with a capacity of 1.5 to 2.3HP where the piping is longer than 15 meters, 1. Prepare locally-supplied copper pipes. apply a piping size of Ø9.53.
  • Page 296 REFRIGERANT PIPING AND REFRIGERANT CHARGE Insulation Attach insulation packet with multi-kit to each branch utilizing vinyl tape. Also attach insulation to field supplied piping for prevention of the capacity decrease according to the ambient air conditions and dewing on the pipe surface by the low pressure.

  • Page 297: Three Principles On Refrigerant Piping Work

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.3.2. THREE PRINCIPLES ON REFRIGERANT PIPING WORK In case of the refrigeration cycle with refrigerant R407C, Due to this reason, pay much careful attention to basic refrigeration oil should be of synthetic type. Therefore, the piping work control to avoid infiltration of moisture or dusts oil absorbs moisture quickly when compared with R22 during refrigerant piping work.
  • Page 298 REFRIGERANT PIPING AND REFRIGERANT CHARGE The required tightening torque is as follows: 13.3.3. SUSPENSION OF REFRIGERANT PIPING § Indoor Units and CH Unit Suspend the refrigerant piping at certain points and prevent the refrigerant piping from touching the weak part of the building such as wall, ceiling, etc…...
  • Page 299 REFRIGERANT PIPING AND REFRIGERANT CHARGE Allen key Size (mm) A basic brazing method is shown below. Model Liquid Valve Gas Valve RAS-5FSG 2. Heat the outer tube evenly, resulting in good RAS-5FS3 flow of filler metal 1. Heat inner side tube evenly. RAS-8FSG RAS-8FS3 Rubber Plug...

  • Page 300: Indoor Unit Piping Work Connection

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.4. INDOOR UNIT PIPING WORK CONNECTION 13.4.1. RCI – 4 WAY CASSETTE TYPE 13.4.3. RPC – CEILING TYPE Position of piping connection is the following, which is available from all directions, top, left or right. Piping Position The refrigerant piping can be connected to some one of two directions of the indoor unit: upper or rear side, when...

  • Page 301: Rpi - In-The-Ceiling Type

    REFRIGERANT PIPING AND REFRIGERANT CHARGE After select the piping direction proceeded to knockout 13.4.4. RPI – IN-THE-CEILING TYPE selected hole, install pipes and seal the piping with the factory supplied insulation as indicated below: Position of piping connection is the following: Upper Side RPI (0.8~1.5) 1.

  • Page 302: Rpk - Wall Type

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.4.5. RPK – WALL TYPE Piping Direction for the Indoor Unit: When bending the tubes, firmly fix the tube at the heat exchanger side. Three directions of piping connection to the indoor unit can be performed; rear side, right side and left side of the unit, respectively.

  • Page 303: Rpf & Rpfi - Floor Type & Floor Concealed Type

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.4.6. RPF & RPFI – FLOOR TYPE & FLOOR CONCEALED TYPE Units mm (in Piping Connection of RPF Piping Connection of RPFI Gas Piping Liquid Piping RPF(I)-1.0 Æ 12.7 (1/2) Æ 6.35 (1/4) RPF(I)-1.5 RPF(I)-2.0 Æ...

  • Page 304: Outdoor Unit Piping Work Connection

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.5. OUTDOOR UNIT PIPING WORK CONNECTION 13.5.1. FACTORY SUPPLIED PIPE ACCESSORIES Accessory Compressed Sheet Pipe Flange of Refrigerant Gas Piping Pipe with Flare Nut of Refrigerant Liquid Piping Elbow Pipe Reducer (*) Field supplied if it is necessary 13.5.2.
  • Page 305 REFRIGERANT PIPING AND REFRIGERANT CHARGE RAS-5FSG RAS-8~30FSG(1) The position of the connecting pipes is the following for each Outdoor Unit type: ¡ ¡ ¡ ¡ ¢ ¢ ¢ ¢ Model Refrigerant Gas Piping Refrigerant Liquid Piping Connection Ø Connection Ø RAS-5FSG 19.05 flare nut 9.53 flare nut...

  • Page 306: Flange Piping Connection

    REFRIGERANT PIPING AND REFRIGERANT CHARGE NOTE: After piping and wiring work are completed, remove two yellow shipping washers for compressor(s). Shipping Washer Fix the pipes not to apply a force to stop valves and to (yellow-Painted) minimize vibration. Foot of Compressor Vibration-proof rubber...

  • Page 307: Piping Connection

    REFRIGERANT PIPING AND REFRIGERANT CHARGE - For RAS 16, 20, 24 & 30 HP 13.5.4. PIPING CONNECTION § Confirm that the valve is closed. - For RAS-5 HP § For liquid pipe connection. § Confirm that the valve is closed - In case of 16, 20 &...

  • Page 308: Installing Dryer In Liquid Line

    REFRIGERANT PIPING AND REFRIGERANT CHARGE - In case of gas piping connection from bottom, connect the field-supplied pipe to the flange pipe (Factory- 13.5.5. INSTALLING DRYER IN LIQUID LINE supplied) The refrigeration oil for the G series outdoor units easily absorbs moisture.
  • Page 309 REFRIGERANT PIPING AND REFRIGERANT CHARGE § Procedures for Installation § Do not remove sealing caps for the pipes until the pipes are installed and connected. 1. Check to ensure that the liquid stop valve in the outdoor unit is completely stopped. 2.

  • Page 310: Refrigerant Charging Quantity

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.6. REFRIGERANT CHARGING QUANTITY 13.6.1. GUIDE OF ADDITIONAL REFRIGERANT Additional Refrigerant Charge Calculation for Indoor Unit CHARGE CALCULATION (R407C) kg). Although refrigerant has been charged into this unit, it is – Additional refrigerant charge is NOT necessary for one required that additional refrigerant should be charged refrigerant system unless the number of indoor unit according to piping length and indoor units.
  • Page 311 REFRIGERANT PIPING AND REFRIGERANT CHARGE Table 3 Table 1 Example This System Outdoor Unit (kg) Unit Nº Horse Charge Horse Charge RAS-5FSG Power (kg) Power (kg) RAS-8FSG 10.0 RAS-8FXG 15.5 RAS-10FSG 11.5 Indoor units RAS-10FXG 17.0 that do not require ref. RAS-16FSG 16.0 charge...

  • Page 312: Samples

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.6.2. SAMPLES Total System of SET-FREE (FSG series) ITEM HEADER BRANCH SYSTEM Outdoor Unit Example of Systems This figure shows examples of 6 indoor units combined H1£50m (Position of outdoor unit is higher) H1£40m (Position of outdoor unit is Lower) with one outdoor unit.
  • Page 313 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH UNI-PIPING SYSTEM Outdoor Unit Example of Systems H1£50m (Position of outdoor unit is higher) This figure shows examples of 6 indoor units combined H1£40m (Position of outdoor unit is Lower) with one outdoor unit. The refrigerant pipes are shown as single line in the diagrams.
  • Page 314 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE-HEADER BRANCH UNI-PIPING SYSTEM Example of Systems Outdoor Unit This figure shows examples of 6 indoor units combined with one outdoor unit. The refrigerant pipes are shown as single line in the diagrams. However, liquid line piping and gas line piping are required in the field.
  • Page 315 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH DOWN-SIZE SYSTEM Outdoor Unit Provide oil trap to gas line at every Ht meters lift Example of Systems H1£50m (Position of outdoor unit is higher) H1£40m (Position of outdoor unit is Lower) This figure shows examples of 6 indoor units combined with one outdoor unit.
  • Page 316 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH DOWN-SIZE SYSTEM Provide oil trap to gas line at every Ht meters lift Example of Systems This figure shows examples of 6 indoor units combined Outdoor Unit with one outdoor unit. The refrigerant pipes are shown as single line in the diagrams.
  • Page 317 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH DOWN-SIZE SYSTEM Outdoor Unit Provide oil trap to gas line at every Ht meters lift Example of Systems H1£50m (Position of outdoor unit is higher) H1£40m (Position of outdoor unit is Lower) This figure shows examples of 6 indoor units combined with one outdoor unit.
  • Page 318 REFRIGERANT PIPING AND REFRIGERANT CHARGE Piping System and Additional refrigerant (FXG series) ITEM LINE BRANCH SYSTEM Outdoor Unit Provide oil trap to both gas line at every Ht meters lift Example of Systems Hi £ 50m (Position of outdoor unit is higher) This figure shows an example of 5 indoor units combined Hi £...
  • Page 319 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM HEADER BRANCH SYSTEM Outdoor Unit Provide oil trap to both gas line at every Ht meters lift Example of Systems Hi £ 50m (Position of outdoor unit is higher) This figure shows an example of 5 indoor units combined Hi £...
  • Page 320 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH SYSTEM Provide oil trap to both gas line at every Ht meters lift Example of Systems H2 £ 15m Outdoor Unit This figure shows an example of 7 indoor units combined with one outdoor unit. H2 £...
  • Page 321 REFRIGERANT PIPING AND REFRIGERANT CHARGE ITEM LINE BRANCH SYSTEM Outdoor Unit Example of Systems Provide oil trap to both gas line at every Ht meters lift Hi £ 50m (Position of outdoor unit is higher) This figure shows an example of 5 indoor units combined Hi £...

  • Page 322: Vacuum And Refrigerant Charge

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.7. VACUUM AND REFRIGERANT CHARGE Evacuation and refrigerant charging procedure should be performed according to the following instructions: Valve § Apply two hoses for FSG(1) and two or three hoses for (open during evacuation) Outdoor Unit (close during oil charge) FXG(1) for evacuation work or nitrogen blow in air tight Nitrogen tank...

  • Page 323: Caution On Refrigerant Leakage

    REFRIGERANT PIPING AND REFRIGERANT CHARGE 13.8. CAUTION ON REFRIGERANT LEAKAGE Specifiers/installers have responsibility to follow local codes 13.8.3. COUNTERMEASURE FOR REFRIGERANT and regulation which specify safety requirements against LEAKAGE ACCORDING TO KHK refrigerant leakage STANDARD The facility shall be arranged as follows referring to the KHK 13.8.1.

  • Page 325: Drain Piping

    DRAIN PIPING 14 DRAIN PIPING CONTENTS DRAIN PIPING ___________________________________________________________ 1 14.1 General _________________________________________________________________ 2 14.2 RCI (4-Way Cassette Type) _________________________________________________ 3 14.3 RCD (2-Way Cassette Type)_________________________________________________ 3 14.4 RPC (Ceiling Type) ________________________________________________________ 4 14.5 RPI (In-the-Ceiling Type)____________________________________________________ 5 14.6 RPK (Wall Type) __________________________________________________________ 6 14.7 RPF and RPFI (Floor Type and Floor Concealed Type) ____________________________ 6 14.8...

  • Page 326: Drain Piping

    DRAIN PIPING 14.1 GENERAL & CAUTION: After performing drain piping work and electrical wiring, – Do not create an upper-slope or rise for the drain check to ensure that water flows smoothly as in the piping, since drain water will flow back to the unit and following procedure: leakage to the room will occur when the unit operation is stopped.

  • Page 327: Drain Piping

    DRAIN PIPING 14.2 RCI (4-WAY CASSETTE TYPE) 1. The position of the drain pipe connection is shown below. 4. Insulate the drain pipe after connecting the drain hose. Insulation (Field-Supplied) Insulation (Factory-Supplied) 1/25~1/100 Down Slope Drain Piping Connection Polyvinyl Chloride Tube Clamp (Field-Supplied) (Factory-Supplied)

  • Page 328: Rpc (Ceiling Type)

    DRAIN PIPING 14.4 RPC (CEILING TYPE) The standard direction of drain piping connection is right side as viewed from the discharge grilles. However, it can Drain Plug Drain Connection Driver be performed from the left side connection is required due to the building construction.

  • Page 329: Rpi (In-The-Ceiling Type)

    DRAIN PIPING 6. Do not connect the drain pipe with sanitary sewage or Band Band any other drainage pipe. 7. When installing the pipe, do not tie the drain pipe and refrigerant pipe together. Tie the drain pipe as shown below Rear Side piping Rear Side piping...

  • Page 330: Rpk (Wall Type)

    DRAIN PIPING 14.6 RPK (WALL TYPE) 1. The standard direction of drain piping connection is the 3. Provide a vinyl chloride tube, of a Ø26 mm outer diameter (VP20). right side as viewed from the discharge grilles. However, it can be performed from the left side or rear side. 4.

  • Page 331: Electrical Wiring

    ELECTRICAL WIRING 15 ELECTRICAL WIRING CONTENTS ELECTRICAL WIRING _____________________________________________________ 1 15.1 General Check ___________________________________________________________ 2 15.2 Electrical wiring for Outdoor Unit ______________________________________________ 2 15.2.1 Electrical Wiring Connection__________________________________________________ 2 15.2.2 Setting of DIP switches for Outdoor Unit ________________________________________ 3 15.3 Electrical Wiring for Indoor Units ______________________________________________ 4 15.3.1 RCI Units ________________________________________________________________ 4 15.3.2...

  • Page 332: General Check

    ELECTRICAL WIRING 15.1 GENERAL CHECK ATTENTION: NOTE: – Turn OFF the main power switch to the indoor unit and Fix the rubber bushes with adhesive when conduit the outdoor unit before electrical wiring work or a tubes to the outdoor unit are not used. periodical check is performed.
  • Page 333 ELECTRICAL WIRING 15.2.2 SETTING OF DIP SWITCHES FOR DSW4: Test Operation & Service Settings Setting is required. This dip switch is utilized for servicing as OUTDOOR UNIT indicated in chapter 9. § Quantity and Position of Dip Switches The PCB in the outdoor unit is operated with 10 types of dip Setting before shipment switches and 3 types of push switch.

  • Page 334: Electrical Wiring For Indoor Units

    ELECTRICAL WIRING 15.3 ELECTRICAL WIRING FOR INDOOR UNITS 15.3.1 RCI UNITS ATTENTION: The electrical wiring connection is shown below. The intermediate connection between the indoor unit and the air – Check the item below before turning ON the main panel should be referred to chapter 12.2.5. switch.

  • Page 335: Rcd Units

    ELECTRICAL WIRING 15.3.2 RCD UNITS 15.3.3 RPC UNITS The electrical wiring connection is shown below. The The electrical wiring connection for the indoor unit is shown intermediate connection between the indoor unit and the air below. panel should be referred to the chapter 12.3.5. 1.

  • Page 336: Rpi Units

    ELECTRICAL WIRING 15.3.4 RPI UNITS 15.3.5 RPK UNITS The electrical wiring connection for the indoor unit is shown The electrical wiring connection for the indoor unit is shown below. below. 1. Cut out the center of the rubber bushing in the wiring 1.

  • Page 337: Rpf/Rpfi Units

    ELECTRICAL WIRING 15.3.6 RPF/RPFI UNITS Remove the front cover and the side cover. 1. Wiring from left-rear side to the RPF is shown below. Wiring Side Wall Cover Front Cover Electrical Opening (Rear) 2. Wiring from left-rear side to the RPFI is shown below. Wiring Front Cover Wall...

  • Page 338: Setting Of Dip Switches For Indoor Unit

    ELECTRICAL WIRING DSW3: Capacity Code Setting 15.3.7 SETTING OF DIP SWITCHES FOR INDOOR No setting is required, due to setting before shipment. This UNIT dip switch is utilized for setting the capacity code which Quantity and Position of Dip Switches corresponds to the Horse Power of the indoor unit as The PCB in the indoor unit is operated with 4 types of dip indicated in chapter 9.

  • Page 339: Common Wiring

    ELECTRICAL WIRING 15.4 COMMON WIRING 15.4.1 ELECTRICAL WIRING BETWEEN INDOOR – Do not use more than 3 cores for operation wiring UNIT AND OUTDOOR UNIT (H-Link). Core sizes must be selected according to the national regulations. & CAUTION: – Connect the operating line for the units in the same –...
  • Page 340 ELECTRICAL WIRING Max.4 Outdoor Units (5.0~10HP), Max.1 Outdoor Unit (16~30HP) Connectable from One Power Supply No.0 System No.1 System No.2 System Outdoor Unit (all Units) Outdoor Unit Outdoor Unit Outdoor Unit Earth Leakage Breaker Operating Line (Twisted Shielded Pair Cable or Twisted Cable) DC5V (Non-Pole Transmission, Main Switch...

  • Page 341: H-Link System

    ELECTRICAL WIRING 15.4.2 H-LINK SYSTEM § Specifications: - Transmission Wire: 2-Wire NOTE: - Polarity of Transmission Wire: Non-Polar Wire The H-LINK system can not be applied to the cycle - Maximum Outdoor Units To Be Connected: 16 Units with the old model unit or the unit with old per H-LINK system.
  • Page 342 ELECTRICAL WIRING - Line Connection for Each Floor - In case that H-LINK is not applied when electrical wiring is performed Outdoor Units Outdoor Unit Indoor Units Indoor Units ~Instrument Wiring CS-NET NOTE: The maximum quantity of units to be connected is 16 outdoor units and 128 indoor units.

  • Page 343: Wire Sizes

    63 < i MLFC (Flame Retardant Polyflex Wire) manufactured 112 < i £ 147 by HITACHI Cable Ltd. Japan. Ë In the case that current exceeds 63 A do not connect cables in – In the case that the power cables are connected in...
  • Page 345 INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16 INSTALLATION OF OPTIONAL REMOTE CONTROLLER CONTENTS INSTALLATION OF OPTIONAL REMOTE CONTROLLER _________________________ 1 16.1 Installation of Remote Control Switch <PC-P1HE> ________________________________ 3 16.1.1 Before Installation__________________________________________________________ 3 16.1.2 Installation Space __________________________________________________________ 3 16.1.3 Installation Procedure_______________________________________________________ 4 16.1.4 Electrical wiring____________________________________________________________ 5 16.2...
  • Page 346 OFF the main power supply and contact along other cables for transmission and signal. your distributor or dealer of HITACHI. If the cables are required to be run along, keep a distance more than 30 cm between each cables, or...

  • Page 347: Installation Of Optional Remote Controller

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER Standard Capable distance for receiving Signal of Air Standard Capable distance for receiving Signal of Air Panel for Wireless Control. Panel for Wireless Control. (Example: In Case of 4-way Cassette Type) (View from Above) (Example: In Case of 4-way Cassette Type) Condition: §...

  • Page 348: Installation Procedure

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 2. Attach the stopper to the cable at the inside of the 16.1.3 INSTALLATION PROCEDURE draw-out hole. 1. Insert the edge of the flat head screwdriver into the dent parts at the bottom of the holding bracket, push and turn Band (field Supplied) Cable the screwdriver and remove the controller from the...

  • Page 349: Electrical Wiring

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 4. Mounting procedures. Max. 16 Indoor Units 1. Insert the hooks of the controller to the holes on the top of the holding bracket. 2. Push the lower part toward the holding Remote Electrical Box of Electrical Box of Remote Control bracket.

  • Page 350: Installation Of

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER Address of Indoor Units: Main unit unit unit unit unit unit unit unit unit unit unit unit unit unit unit unit 16.2 INSTALLATION OF REMOTE CONTROL SWITCH (CORE-FUNCTION) <PC-P5H> Selection of Installation Place Installation Procedures §...

  • Page 351: Electrical Wiring

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.2.1 ELECTRICAL WIRING Standard Wiring Band Load the cable Ring core through the groove Insert the connector Controller cable Controller When Using Switch Box ATTENTION: Prepare field-supplied JIS Box (JIS C 8336-1988). – Attach the ring core (black) (accessory) when installing the unit.
  • Page 352 INSTALLATION OF OPTIONAL REMOTE CONTROLLER & Comunication cable (Field Supplied). CAUTION: In the case that multiple indoor units are controlled § Twist pair cable 2 x 0,75 mm simultaneously, set the refrigerant cycle number and must be used (the max. the address of Indoor units as indicated below.

  • Page 353: Installation Of Central Station

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.3 INSTALLATION OF CENTRAL STATION <PSC-5S> 16.3.1 ACCESSORIES Holding Bracket Check the contents and the number of the accessories in the packing. HITACHI GROUP 2 screws M4x16L For fixing Central Station the Holding Bracket onto the wall...
  • Page 354 INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.3.4 ELECTRICAL WIRING <PSC-5S> Wiring Connection Up to 8 Central Stations can be connected to the H-LINK To be connected to Outdoor Unit the terminal board 1 and 2 of Indoor unit or Outdoor unit H-LINK Power supply (AC 220V or 240V)
  • Page 355 INSTALLATION OF OPTIONAL REMOTE CONTROLLER System Layout Otherwise indication will be the following: Each central station can control up to 16 Indoor Units or 16 Groups of Indoor Units (one group of Indoor Units is all the units controlled by the same Remote Control Switch.
  • Page 356 INSTALLATION OF OPTIONAL REMOTE CONTROLLER When the "CHECK" indication appears, the central & station is in the check mode. CAUTION: Condition of Master Unit Setting for Each Group ({ - Only one indoor unit can be set as the master unit in is ON: The master unit is set;...
  • Page 357 INSTALLATION OF OPTIONAL REMOTE CONTROLLER & CAUTION: § Procedure of Slave Unit Setting - Up to 15 slave units can be set in one group (Max 16 Set the slave unit for each group as followings. units (including the master unit) in one group). - For changing the setting of slave unit to another group, a.

  • Page 358: Input/Output Function

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 2 Simultaneous Operation, Pulse Signal and 16.3.5 INPUT/OUTPUT FUNCTION Simultaneous Stoppage, Pulse Signal: The central station has two input functions and two output This is an ON/OFF function from a remote place by using functions as shown below pulse signal The basic wiring and time chart are shown below.
  • Page 359 INSTALLATION OF OPTIONAL REMOTE CONTROLLER The group already set with demand control is 4 Demand indicated ({ is ON: Demand is set; { is OFF: Demand is not set). This is a remote thermostat signal for selected units. Only units selected as "DEMAND" will follow this order, below Only the group with the master unit already set is is the Demand Setting Procedure.

  • Page 360: Option Setting

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 6. Simultaneous Alarm Output 2. Indication of Option Setting Mode This function is used to pick up the Alarm State of the When the central station is changed to the option unit units controlled by Central Station. If any units is under setting mode, the LCD indication of the central station Alarm State, this output will be ON.

  • Page 361: Initialization Of Central Station

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 2. Initialization 16.3.7 INITIALIZATION OF CENTRAL STATION When the central station is changed to the initialization The procedure for initialization of the group setting and the mode, the LCD indication on the central station is as optional setting is as follows shown below.

  • Page 362: Installation Of 7-Day Timer

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.4 INSTALLATION OF 7-DAY TIMER <PSC-5T> 16.4.1 ACCESSORIES The packing contains the following parts: HITACHI Holding Bracket GROUP 3 screws M4x16L For Cable (1 m) Control Timer fixing the Holding Bracket onto the wall Dent part 16.4.2 INSTALLATION SPACE...
  • Page 363 INSTALLATION OF OPTIONAL REMOTE CONTROLLER 3. Lead the cable through the groove 4. Attach the Timer onto the holding bracket. Attach the stopper to the cable at the inside of the draw-out hole Twist Pair Cable Cable Step1: Insert the hooks of the timer to the holes at the upper side of the holding Band bracket.

  • Page 364: Electrical Wiring

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 3. Attach the holding bracket onto the switch box 1. In case of using timer with PC-P1HE: Transmission Wire between Outdoor Unit and indoor Unit (H-LINK) Fix the holding bracket with the Indoor Unit mark " ­ UP" upward PSC-5T PC-P1H...

  • Page 365: Psc-5S

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.4.5 DIP SWITCHES SETTING Set the two dip switches on the PCB as follows. (The factory-settings for dip switches of DSW1 and DSW2 are all OFF) Setting of DSW1 (For Address Setting) Address Setting of DSW1 1 2 3 4 1 2 3 4...

  • Page 366: Installation Of Receiver Kit

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.5 INSTALLATION OF RECEIVER KIT <PC-RLH4> The packing contains the following parts. Check the Ê Cut one of the knockout holes at the cover. contents and the number of parts. With Receiver Connection cable For Fixing Band Cable For Fixing...
  • Page 367 INSTALLATION OF OPTIONAL REMOTE CONTROLLER Ë Fix the fixing bracket of kit by using screw (Field-Supplied). Cable Screws (field-supplied) This figure shows the case of Switch Box for 1 Controller. Ì Attach the cover same as A Ì. 6. Remove the cover of indoor unit electrical control box and connect the cable to the terminals A and B of the terminal board (white).

  • Page 368: Installation Of Receiver Kit

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.6 INSTALLATION OF RECEIVER KIT <PC-RLH9> The packing contains the following parts. Check the 5. Remove the cover of indoor unit electrical control box and contents and the number of parts. connect the cable to the terminals A and B of the terminal board (white) Mark Band "B"...

  • Page 369: Pc-Rlh11

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.7 INSTALLATION OF RECEIVER KIT <PC-RLH11> The packing contains the following parts. Check the Ê Cut one of the knockout holes (*) at the cover. contents and the number of parts. Mod. Name Qt'y Remark With Receiver Connection...
  • Page 370 INSTALLATION OF OPTIONAL REMOTE CONTROLLER 6. Remove the cover of indoor unit electrical control box and Ê Insert the cable into the rigid metal conduit. connect the cable to the terminals A and B of the terminal board (white). Cable Printed Circuit Board.

  • Page 371: Harc

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.8 HARC 16.8.1 NAME OF PARTS 16.8.2 INSTALLATION PROCEDURE 1. Install the HARC-BX E by keeping the screw terminal Name of each part of HARC-BX E is diplayed in the figure board at the lower side. below.
  • Page 372 470 k9 1/4 W(wattage) and accuracy of error under 10% to prevent from building up of static charges. Recommended Cable Types: Japan Cable Integral Hitachi Cable Japan Cable Industrial power Co., Ltd. Co., Ltd.

  • Page 373: Electrical Wiring

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.8.3 ELECTRICAL WIRING 16.8.5 MAINTENANCE AND SERVICE n Self-Inspection for HARC-BX E 1. Turn OFF the main power switch connected to the wire of HARC-BX E and the surrounding equipment to connect Self-Inspection to identify the abnormality of HARC-BX E wire.

  • Page 374: Fsg - Fxg - G7 - Hrg - Usb/H-Link Connection

    INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16.9 FSG - FXG - G7 - HRG – USB/H-LINK CONNECTION n n n n HARC40 WITH USB Connection n n n n HARC40 Interface Layout As a result of ISA Board connections being phased out of The Layout of the HARC40 Interface printed circuit board, Computer design, an external Interface with a USB as viewed from the underside, with the Dip Switch positions...
  • Page 375 INSTALLATION OF OPTIONAL REMOTE CONTROLLER n n n n FSG – G7 – HRG – USB/H-LINK CONNECTION NOTE: All cables must be shielded and at least 0,75 mm² cross section. Maximum length is 1000 m. n n n n FXG - USB/H-LINK CONNECTION The CS-NET data connection for the FXG 3-Pipe systems must be made directly to the H-Link Terminal block connections 1 and 2 in any one of the CH BOXES.

  • Page 377: Test Run

    TEST RUN 17 TEST RUN CONTENTS TEST RUN ______________________________________________________________ 1 17.1 Checking Before Test Run __________________________________________________ 2 17.2 Test run procedure by remote control switch ____________________________________ 3 17.3 Test run procedure by wireless remote control switch (PC-LH3A) ____________________ 4 17.4 Test run from outdoor unit side _______________________________________________ 7 17.5 Checking of refrigerant quantity______________________________________________ 10...

  • Page 378: Checking Before Test Run

    TEST RUN When installation is completed, perform test run according WARNING: to the following procedure, and hand over the system to the – Do not operate the system until all the check points customer. Perform test run regarding indoor units one by have been cleared.

  • Page 379: Test Run Procedure By Remote Control Switch

    TEST RUN 17.2 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH É Turn ON the power source of the Indoor and Outdoor Units Ê Set the TEST RUN mode by remote control switch. Operation Lamp Depress the "MODE" and the "CHECK" switches simultaneously for more than 3 seconds.

  • Page 380: Test Run Procedure By Wireless Remote Control Switch (Pc-Lh3A)

    TEST RUN 17.3 TEST RUN PROCEDURE BY WIRELESS REMOTE CONTROL SWITCH (PC-LH3A) ATTENTION: Test running by the controller can not be performed in case that the wired remote control switch is used together; in case that multiple units are operated simultaneously (SET-FREE and UTOPIA Series).
  • Page 381 TEST RUN 7) Stop the Test Run (Abormal) Example: In case that PC-LH3A is unusable by batteries shortage, etc., perform emergency operation as follows. Alarm: (1)Switch "COOL": Press "COOL" so that the cooling operation is started. Press "COOL" again so that the cooling operation is "FILTER"...
  • Page 382 TEST RUN Test Run and Maintenance Record MODEL: SERIAL NO. COMPRESSOR MFG. No. CUSTOMER'S NAME AND ADDRESS: DATE: Is the rotating direction of the indoor coil fan correct? Is the rotating direction of the outdoor coil fan correct? Are there any abnormal compressor sounds? Has the unit been operated at least twenty (20) minutes? Check Room Temperature: Inlet:...

  • Page 383: Test Run From Outdoor Unit Side

    TEST RUN 17.4 TEST RUN FROM OUTDOOR UNIT SIDE The procedure of test run from outdoor unit side is indicated WARNING: below. Setting of this DIP switch is available with the power - Do not touch any other electrical parts when operating source ON.
  • Page 384 TEST RUN FSG series Piping length: 5m Piping length: 50m § All units in Cooling Operation § All units in Cooling Operation Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp.
  • Page 385 TEST RUN FXG series Piping length: 5m Piping length: 50m § All units in Cooling Operation § All units in Cooling Operation Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp. (DB °C) Outdoor Unit Inlet Temp.

  • Page 386: Checking Of The Refrigerant Quantity

    TEST RUN 17.5 CHECKING OF REFRIGERANT QUANTITY Checking Procedures: 17.5.1 FSG SYSTEM Cooling Operation An excess or deficiency of the refrigerant can be checked by 1. Calculate iE (Indoor Unit Expansion Valve Opening) with using data from 7-segments display check mode. This the conversion value (É) show below.
  • Page 387 TEST RUN Example: Cooling Operation Indoor Unit iE (%) (from the checking data) Converted Value of iE (1.0 X 20) (0.7 X 30) (2 X 55-60) (0.7 X 40) Sum of Converted Value of iE 119 (= 20+21+50+28) Normal Value 60 to 270 (=10 X 6 to 10 X 27) Judgement OK [(A) is within the range (B).]...
  • Page 388 TEST RUN d) In the case that the additional refrigerant charge is Remarks: required, the correct quantity of refrigerant to be charged In case of cooling operation, the curves of "Expansion Valve should be calculated, measured and charged. Opening" for indoor unit is not available due to the following reasons.
  • Page 389 TEST RUN Expansion Valve Opening RAS-5FSG (Heating Operation) RAS-8FSG (Heating Operation) Indoor Temperature (DB) (°C) Indoor Temperature (DB) (°C) RAS-10FSG (Heating Operation) RAS-16FSG (Heating Operation) Indoor Temperature (DB) (°C) Indoor Temperature (DB) (°C) RAS-20FSG (Heating Operation) 1. These curves should be used by referring to the data during the CHECK mode.

  • Page 390: Fxg System

    TEST RUN Checking Procedures: 17.5.2 FXG SYSTEM Cooling Operation An excess or deficiency of the refrigerant can be checked by 1. Detect oEb (Outdoor Unit Bypass Expansion Valve using data from 7-segments display check mode. This Opening). checking procedure, as follows, is useful at test run or maintenance.
  • Page 391 TEST RUN Standard Value of Outdoor Expansion Valve Opening in Heating Operation 1) This curves should be used by referring to the data during the CHECK mode. 2) In the case that data by the CHECK mode operation is within ±15%, the refrigerant charging amount is appropiate. Remarks: In the case of cooling operation, the curves of "Expansion Valve Opening"...
  • Page 392 TEST RUN Outdoor Unit Model (Serial No. RAS- (Serial No. RAS- (Serial No. Operation Mode Test Run Start Time Data Collect Start Time Read Out Data from 7-Segment in Outdoor Unit Protection Control Code AC Chopper AC Chopper Outdoor Microcomputer Output Indoor Total Operating Capacity Inverter Frequency Compressor Running Quantity...

  • Page 393: Troubleshooting

    TROUBLESHOOTING 18 TROUBLESHOOTING CONTENTS TROUBLESHOOTING _____________________________________________________ 1 18.1 Initial Troubleshooting ______________________________________________________ 2 18.1.1 This Is Not Abnormal _______________________________________________________ 2 18.1.2 Not Cooling or Heating Well __________________________________________________ 2 18.1.3 Not Operate ______________________________________________________________ 2 18.2 Alarm Codes _____________________________________________________________ 3 18.3 Troubleshooting in Check mode ______________________________________________ 4 18.3.1 Contents of Check Mode 1 ___________________________________________________ 5 18.3.2...

  • Page 394: Initial Troubleshooting

    TROUBLESHOOTING 18.1 INITIAL TROUBLESHOOTING 18.1.1 THIS IS NOT ABNORMAL 18.1.3 NOT OPERATE n Smells from Indoor Unit n Check for electrical wiring. Smell adheres on indoor unit after a long period of time. n Check for dip switch setting. Clean the air filter and panels or allow a good ventilation. n Check whether the “SET TEMP”...

  • Page 395: Alarm Codes

    TROUBLESHOOTING 18.2 ALARM CODES If RUN lamp flashes for 2 seconds, there is a failure in If RUN lamp flashes 5 times (5 seconds) with unit number and transmission between Indoor Unit and Remote Control alarm code displayed, note the alarm code (see table below) Switch.

  • Page 396: Troubleshooting In Check Mode

    TROUBLESHOOTING 18.3 TROUBLESHOOTING IN CHECK MODE Use the remote control CHECK switch in the following cases. 1. When the RUN lamp is flashing 2. To trace back the cause of trouble after restarting from stoppage with the RUN lamp flashing 3.
  • Page 397 TROUBLESHOOTING Although the wireless controller is used for wall type indoor NOTE: unit with built-in receiver part, the alarm code can be 1. The unit is not operated by pressing operation switch. checked by connecting PC-P1HE . Suction Grille 2. The above function is available only when alarm occurs.
  • Page 398 TROUBLESHOOTING Heating Thermo-ON Alarm Thermo Temp. of bb 23 Remote Control Coding Thermo-ON Operation Switch ¯ Part Name Relay Dark Relay for Drain pump (MD) and/or Indication on Micro-Computer Input /Output Dew Heater (EHW) Y52H Y52H Relay for Electric Heater (CEH) Y211 Relay for 4-Way Valve Micro Computer...
  • Page 399 TROUBLESHOOTING Compressor Pressure/Frequency Indication HI 18 Discharge Pressure (High) (x 0.1 MPa) ¯ H2 04 Suction Pressure (Low) (x 0.01 MPa) ¯ This is an indication for internal information for the remote H3 44 Control Information control switch. This does not have any specific meaning. ¯...
  • Page 400 TROUBLESHOOTING 18.3.2 CONTENTS OF CHECK MODE 2 The latest data of the first three indoor units only connected serially are indicated when more than three indoor units are connected to one remote control switch. By pressing the " " part of "TEMP" switch, the next display is indicated.
  • Page 401 TROUBLESHOOTING Compressor Pressure/Frequency Indication 99 18 Discharge Pressure (High) (x 0.1 MPa) ¯ 9A 04 Suction Pressure (Low) (x 0.01 MPa) ¯ 9b 44 This is an indication for internal information for the remote control Control Information switch. This does not have any specific meaning. ¯...

  • Page 402: Troubleshooting By 7-Segment Display

    TROUBLESHOOTING 18.4 TROUBLESHOOTING BY 7-SEGMENT DISPLAY 18.4.1 SIMPLE CHECKING BY 7-SEGMENT DISPLAY vTurn on All Indoor Units v All the Indoor Units Connected to the Outdoor Unit ¯ Turn on All Outdoor Units ¯ Auto-addressing starts During auto-addressing, the following items can be checked using the outdoor unit's on-board 7-segment LED display.
  • Page 403 TROUBLESHOOTING from previous page ¯ Checking item PSW3 PSW2 Checking contents Air flow ratio PSW2 PSW3 PSW3 PSW2 o E 1 Outdoor Expansion Valve MV1 Opening PSW2 PSW3 PSW3 PSW2 o E 2 Outdoor Expansion Valve MV2 Opening PSW2 PSW3 (For 16 to 30HP FSG1 and 8 to 30 FXG(1)) PSW3 PSW2...
  • Page 404 TROUBLESHOOTING from previous page ¯ Checking item PSW3 PSW2 -127 = Open Circuited , 127 = Short - circuited Evaporating ‚ E 3 Temperature 3 at PSW2 PSW3 Heating (°C) (For 24, 30HP) PSW3 PSW2 -127 = Open Circuited , 127 = Short - circuited ‚...
  • Page 405 TROUBLESHOOTING from previous page ¯ Checking item PSW3 PSW2 ‚ … 0 (No, 0 Unit) No. 0 Unit) PSW2 PSW3 (°C) Indoor Unit Intake Air Temperature. PSW3 PSW2 ‚ … . (No. F Unit) No. F Unit) Note 1 PSW2 PSW3 (°C) (Indicates only the units number connected)
  • Page 406 TROUBLESHOOTING from previous page ¯ Checking item PSW3 PSW2 c 1 7 Current Protection  : Degeneration Control is in Operation Degeneration Control  : Degeneration Control is not in PSW2 PSW3 Operation PSW3 PSW2 Displayed in 4 digit number U J 1 Total Accumulated hours 9999...
  • Page 407 TROUBLESHOOTING 18.4.3 RUNNING CURRENT OF COMPRESSOR Inverter Primary Current The inverter primary current is estimated from the running current of the compressor MC1 indicated on 7-segments, as the right chart shows. Upper Limit Indicated Running Current of Compressor MC2, MC3, MC4 The running current of the compressor MC2, MC3, MC4, is detected by current sensor.

  • Page 408: Protection Control Code On 7-Segment Display

    TROUBLESHOOTING 18.5 PROTECTION CONTROL CODE ON 7-SEGMENT DISPLAY 1. The protection control indication can be seen on Code Protection Control 7-segment when a protection control is activated. Pressure Ratio Control (*) 2. The 7-segment continues ON while function is working, and goes out when released.
  • Page 409 TROUBLESHOOTING ACTIVATING CONDITION OF PROTECTION CONTROL CODE For following the conditions as the temperature change, The activating conditions of protection control are shown in etc., the control of frequency, etc. is performed to prevent the table below. the abnormal conditions by the protection control. Code Protection Control Activating Condition...
  • Page 410 TROUBLESHOOTING NOTE: 1. During protection control (except during alarm stoppage), the protection control code is indicated. 2. The protection control code is indicated during protection control and turns off when canceling the protection control. 3. After retry control, the condition of monitoring is continued for 30 minutes.

  • Page 411: Self Checking Of Pcb's Using Remote Control Switch

    TROUBLESHOOTING 18.6 SELF CHECKING OF PCB'S USING REMOTE CONTROL SWITCH Following troubleshooting procedure is utilized for function test of PCB's in the Indoor Unit and Outdoor Unit RUN/STOP Stop Operation Press TEMP Press both PCB Check Mode CHECK switches for 3 seconds (ex.) indication of Unit No.
  • Page 412 TROUBLESHOOTING For performing the above checking in the case that the wireless remote control switch is used with the built-in receiver part of the wall type indoor, perform the following procedures: 1. Turn OFF the power supply. 2. Disconnect the connector (CN25) on PWB(M). 3.

  • Page 413: Self Cheking Of Remote Control Switch

    TROUBLESHOOTING 18.7 SELF CHECKING OF REMOTE CONTROL SWITCH Cases where CHECK switch is utilized. 1. If the remote control switch reads malfunction Indicating 2. For regular maintenance check. LCD Indication Period (sec.) Turn ON the power source Only for cancellation For 1 ¯...
  • Page 414 TROUBLESHOOTING ¯ The LCD indication changes as shown below. The detected temperature of remote control thermostat is indicated at the part (A) part in the figure below. ® If the number "--" or ".." is indicated at the "A" part, the remote control thermostat is abnormal.

  • Page 415: Maintenance

    MAINTENANCE 19 MAINTENANCE CONTENTS MAINTENANCE __________________________________________________________ 1 19.1 Regular Inspection_________________________________________________________ 2 19.1.1 For Indoor Unit and Outdoor Unit ______________________________________________ 2 19.1.2 For Indoor Unit ____________________________________________________________ 2 19.1.3 For Outdoor Unit___________________________________________________________ 2 19.1.4 For Remote Control Switch __________________________________________________ 2 19.2 Filter Cleaning ____________________________________________________________ 3 19.2.1 Take Out the Filter _________________________________________________________ 3 19.2.2...

  • Page 416: Regular Inspection

    MAINTENANCE 19.1 REGULAR INSPECTION 19.1.2 FOR INDOOR UNIT The unit should be periodically inspected according to the same items as those described in the chapter “16. TEST Air Filter RUN”. - Cleaning – Inspect and remove any accumulated dirt In order to ensure dependable operation and long life, the or dust according to “19.2 Filter Cleaning”.

  • Page 417: Filter Cleaning

    MAINTENANCE 19.2 FILTER CLEANING Do not operate the system without the air filter to protect the Wall Type indoor unit heat exchanger against being clogged. The indication, “FILTER” is shown on the display of the Turn OFF the main power switch before taking out the filter. remote control switch after approximately 200 hour (The previous operation mode may appear.) operation.
  • Page 418 MAINTENANCE Step 2 Ceiling Type Hold the tag of the air filter and pull it, to take out the air filter. The indication, “FILTER” is shown on the display of the remote control switch after approximately 100 hour operation. Take out the air filter according to the following steps.

  • Page 419: Miscellaneous Notes

    MISCELLANEOUS NOTES 20 MISCELLANEOUS NOTES CONTENTS MISCELLANEOUS NOTES__________________________________________________ 1 20.1 Special Notes ____________________________________________________________ 2...

  • Page 420: Special Notes

    MISCELLANEOUS NOTES 20.1 SPECIAL NOTES 1. Provide a service access door near the unit piping 10. During heating operation, the outdoor heat exchanger connection part on the false ceiling for the cassette type produces condensate dew or melting water from frost. units.

  • Page 421: Standard Specifications

    STANDARD SPECIFICATIONS 21 STANDARD SPECIFICATIONS CONTENTS STANDARD SPECIFICATIONS ______________________________________________ 1...
  • Page 422 STANDARD SPECIFICATIONS UNIT - The unit shall be a multi-split system inverter-driven OUTDOOR UNIT heat pump air conditioner for application with R407C refrigerant, and shall be composed of 4-way cassette type CABINET - The cabinet shall be constructed of galvanized indoor units, or in-the-ceiling type indoor units, 2-way steel sheet, baked with synthetic resin-paint, The service cassette type indoor units, ceiling type indoor units, wall...
  • Page 424 TCGB0023-rev.0-04/04 - Printed in Spain...

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