Hitachi UTOPIA R32 Series Installation And Operation Manual
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Summary of Contents for Hitachi UTOPIA R32 Series
- Page 1 – UTOPIA R32 SERIES MODELS RAS-(2-3)HVRC3 PMEN0654 rev.0 - 12/2023...
- Page 3 The English version is the original one; other languages are translated from English. Should any discrepancy occur between the English and the translated versions, the English version shall prevail. La versión en inglés es la original, y las versiones en otros idiomas son traducciones de la inglesa. En caso de discrepancias entre la versión inglesa y las versiones traducidas, prevalecerá...
- Page 4 Originální verze tohoto dokumentu je v angličtině; ostatní jazykové varianty jsou z angličtiny přeložené. Pokud mezi anglickou a jakoukoli jinou jazykovou verzí dojde k rozporu, bude převažovat anglická verze. Originaalversioon on ingliskeelne; teised keeled on tõlge inglise keelest. Vastuolude korral ingliskeelse ja tõlkeversioonide vahel kehtib eesõiguslikult ingliskeelne versioon.
- Page 5 English Original version Español Versión traducida Deutsch Übersetzte Version Français Version traduite Italiano Versione tradotta Português Versão traduzidal Dansk Oversat version Nederlands Vertaalde versie Svenska Översatt version Ελληνικα Μεταφρασμένη έκδοση Български Преведена версия Čeština Přeložená verze Eesti Tõlgitud versioon Magyar Lefordított változat Latviešu Tulkotā...
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Page 6: Table Of Contents
Contents General information .....................1 Name of parts and dimensional data ..............6 Refrigerant cycle ....................8 Additional considerations for the unit installation ..........11 Refrigerant piping and refrigerant charge ............13 Refrigerant piping length ..................27 DIP switches ......................32 Commissioning ....................37 Vacuum pumping ....................39 Charging work .....................43 Refrigerant pump down ..................47 H-LINK II system ....................49 Test run from outdoor unit side .................53... - Page 7 General Index 1. General information ....................1 1.1 General information ..................2 1.2 Applied symbols....................2 1.3 Additional information about safety ..............3 1.4 Important notice ....................4 1.5 Product guide ....................5 1.5.1 Classification of the outdoor unit ............5 1.5.2 Outdoor units product line-up ..............5 2. Name of parts and dimensional data .................6 2.1 RAS-(2-3)HVRC3 ....................7 3. Refrigerant cycle...
- Page 8 5.4.2 Cutting copper refrigeration pipes ............19 5.4.3 Bending copper pipes ................19 5.4.4 Brazing copper refrigerant pipes ............20 5.5 Refrigerant pipe insulation ................21 5.6 Suspension of Refrigerant Piping ..............22 5.7 Line branch and header branch installation ...........22 5.8 Piping connection for outdoor unit ..............23 5.8.1 Outdoor unit stop valve .................25 5.8.2 Connecting flare adapter ...............26 6. Refrigerant piping length...
- Page 9 11. Refrigerant pump down ..................47 11.1 General considerations ..................48 11.2 RAS-(2-3)HVRC3 refrigerant pump down example .........48 12. H-LINK II system ......................49 12.1 General considerations ..................50 12.2 System installation DSW Setting ..............51 13. Test run from outdoor unit side ................53 13.1 RAS-(2-3)HVRC3 test run procedure ...............54 13.2 Test run check list ....................56 14. Troubleshooting ......................57...
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Page 10: General Information
General information 1.1 General information ..................2 1.2 Applied symbols....................2 1.3 Additional information about safety ..............3 1.4 Important notice ....................4 1.5 Product guide ....................5 1.5.1 Classification of the outdoor unit ............5 1.5.2 Outdoor units product line-up ..............5 PMEN0654 rev.0 - 12/2023... -
Page 11: General Information
1.1 General information © Copyright 2023 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. – All rights reserved. No part of this publication may be reproduced, copied, filed or transmitted in any shape or form without the permission of Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. -
Page 12: Additional Information About Safety
CAUTION • The text following this symbol contains information and instructions relating directly to your safety, in addition to hazards or unsafe practices which could result in minor personal injuries or product or property damage. • Not taking these instructions into account could lead to minor injuries to you and others. •... -
Page 13: Important Notice
If this is not the case, contact your distributor. • Hitachi pursues a policy of continuing improvement in design and performance of products. The right is therefore reserved to vary specifications without notice. -
Page 14: Product Guide
1.5 Product guide 1.5.1 Classification of the outdoor unit Unit type (Outdoor unit): RAS Position-separating hyphen (fixed) Capacity (HP): 2, 2.5, 3 H: Heat pump V: Single phase unit (~ 230V 50Hz) R: R32 refrigerant C: Simultaneous operation or monosplit system 3: series –... -
Page 15: Name Of Parts And Dimensional Data
Name of parts and dimensional data 2.1 RAS-(2-3)HVRC3 ....................7 PMEN0654 rev.0 - 12/2023... -
Page 16: Ras-(2-3)Hvrc3
2.1 RAS-(2-3)HVRC3 For more information check the technical catalogue. Dimension Model RAS-(2/2.5)HVRC3 22.5 12.7 6.35 RAS-3HVRC3 26.5 127.5 15.88 9.52 Punched drain hole: 30x80 long hole Attachment hole for M10 anchor bolt: 2-U cut hole Air suction inlet Punched drain hole: For drain pipe Attachment hole for M10 anchor bolt: 2-Long hole Foot part Air discharge outlet... -
Page 17: Refrigerant Cycle
Refrigerant cycle 3.1 General notes ....................9 3.2 RAS-(2/2.5)HVRC3 .....................9 3.3 RAS-3HVRC3 ....................10 PMEN0654 rev.0 - 12/2023... -
Page 18: General Notes
3.1 General notes Refrigerant Heating Cooling Field supplied Flare nut Brazed refrigerant flow refrigerant flow piping line connection connection 3.2 RAS-(2/2.5)HVRC3 N° Part name Compressor Air side heat exchanger Accumulator Refrigerant strainer Distributor E Ø6.35 Silencer 4-way valve E Ø6.35 F Ø6.35 Outdoor unit electronic D Ø6.35... -
Page 19: Ras-3Hvrc3
3.3 RAS-3HVRC3 N° Part name Compressor Air side heat exchanger Accumulator Refrigerant strainer Distributor F Ø6.35 Silencer 4-way valve G Ø6.35 H Ø4.76 D Ø9.52 E Ø8.0 Outdoor unit electronic C Ø12.7 expansion valve Refrigerant check joint D Ø9.52 B Ø12.7 A Ø15.88 B Ø12.7 10 Stop valve for gas line... -
Page 20: Additional Considerations For The Unit Installation
Additional considerations for the unit installation 4.1 Installations with exposure to strong winds ...........12 PMEN0654 rev.0 - 12/2023... -
Page 21: Installations With Exposure To Strong Winds
4.1 Installations with exposure to strong winds Follow the instructions below to install on the rooftop or a location without surrounding buildings, where strong wind is expected against the product. Choose a location where the outlet or inlet side of the product will not be exposed to strong wind. When the outlet is exposed to strong wind: Direct strong wind may cause lack of air flow and adversely affect to the operation. -
Page 22: Refrigerant Piping And Refrigerant Charge
Refrigerant piping and refrigerant charge 5.1 Selection of the copper pipes .................14 5.2 Three principles on work with refrigerant pipes..........14 5.3 Flared pipes .....................15 5.3.1 Selection of the connection with flare fitting ........15 5.3.2 Dimensions of flared pipe ..............16 5.3.3 Flared connection mounting ..............16 5.4 General instructions on the installation of refrigerant pipes ......17 5.4.1 Preparing copper refrigeration pipes ............17 5.4.2 Cutting copper refrigeration pipes ............19 5.4.3 Bending copper pipes ................19 5.4.4 Brazing copper refrigerant pipes ............20 5.5 Refrigerant pipe insulation ................21 5.6 Suspension of Refrigerant Piping ..............22 5.7 Line branch and header branch installation ...........22 5.8 Piping connection for outdoor unit ..............23 5.8.1 Outdoor unit stop valve .................25 5.8.2 Connecting flare adapter ...............26 PMEN0654 rev.0 - 12/2023... -
Page 23: Selection Of The Copper Pipes
5.1 Selection of the copper pipes The copper pipe used for the installation must be specific for refrigeration systems. CAUTION • The copper pipe used in the refrigeration installations is different to the copper pipe used in installations carrying domestic or heating water. •... -
Page 24: Flared Pipes
Therefore, all work carried out on the copper pipes for refrigerant must follow the three principles described below: Principle Cause of the fault Possible fault Preventive measure Ice on the inside of the pipe, on the expansion valve (water Seal the ends of the pipes. Water infiltration due to obstruction) Protect and insulate the ends of... -
Page 25: Dimensions Of Flared Pipe
Before tightening the flare nut, apply the refrigerant oil (field-supplied) of the same type and brand that the compressor installed in the outdoor unit is using in thin layer over the flaring part. Do not apply the oil on other portions. Tighten the flare nut for the liquid pipe to the specified torque with two spanners. -
Page 26: General Instructions On The Installation Of Refrigerant Pipes
CAUTION • Secure the fixed connection with a suitable wrench and use a torque wrench to tighten the flare nut on the threaded connections. • Do not exceed the torque value indicated in the table. The fitting can become misshapen and the connection may leak. - Page 27 • Use nitrogen gas for blowing during pipe brazing work. Otherwise a lot of oxidation film will occur inside of tubes. This film will be flecked off after operation and will circulate in the cycle, resulting in clogged expansion valves, bad influence to the compressor, etc. •...
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Page 28: Cutting Copper Refrigeration Pipes
5.4.2 Cutting copper refrigeration pipes Use a pipe cutter and define the necessary length of pipe and add a few more centimetres to give yourself enough margin in case the cut has to be repeated. Remove any internal burrs arising from the pipe cutter using a pipe reamer. -
Page 29: Brazing Copper Refrigerant Pipes
5.4.4 Brazing copper refrigerant pipes Brazing is the most important job in the installation of refrigeration pipes. In the event of an accidental leak due to negligence during the brazing process, the capillary tubes, expansion valves, etc., will be obstructed or the compressor seriously damaged. To guarantee correct brazing between pipe surfaces, prepare them for widening according to the data in the following table. -
Page 30: Refrigerant Pipe Insulation
CAUTION • Do not braze on refrigerant pipes without a dry nitrogen gas injection system. Otherwise, a layer of rust will form that may become detached when the refrigeration system is started, causing filter or compressor blockages. • NEVER USE oxygen, acetylene or fluorocarbonated gas to replace nitrogen gas: this will cause an explosion or will generate toxic gas. -
Page 31: Suspension Of Refrigerant Piping
5.7 Line branch and header branch installation Install the distributor supplied by Hitachi on request. A tee can not be installed instead of a branch pipe. Fix the branch pipe horizontally to the pillar, wall or ceiling. Piping must not be fixed rigidly to the wall as thermal expansion and contraction can cause pipe fracture. -
Page 32: Piping Connection For Outdoor Unit
◆ Correct position of Line Branch E-SN/E-XN series Horizontal Vertical Straight length of the pipe connection on the outdoor unit side is made as follows: Locate the branch pipes on the same horizontal plane. (Inclination within 30°) - The collective pipe connection part is installed upward, the straight length must be minimum 0.5 m. - Page 33 CAUTION • At the test run, fully open the spindle and ball stop valve. • If not fully opened, the devices will be damaged. • Do not attempt to turn service valve rod beyond its stop. • Do not loosen the stop ring. If the stop ring is loosened, it is dangerous since the spindle will hop out.
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Page 34: Outdoor Unit Stop Valve
5.8.1 Outdoor unit stop valve Operation of stop valve should be performed according to the figures and tables below: Spindle Type Stop valve (liquid) Stop valve (gas) Spindle valve Closed upon factory shipping Flare nut C heck joint for service port ... -
Page 35: Connecting Flare Adapter
CAUTION • At the test run, fully open the spindle and ball stop valve. • If not fully opened, the devices will be damaged. • Do not attempt to turn service valve rod beyond its stop. • Do not loosen the stop ring. If the stop ring is loosened, it is dangerous since the spindle will hop out. -
Page 36: Refrigerant Piping Length
Refrigerant piping length 6.1 RAS-(2-3)HVRC3 ....................28 6.1.1 Refrigerant piping length ...............28 6.1.2 Piping system for header branch............28 6.1.3 Combinations of piping size and piping length ........30 6.1.4 Refrigerant piping size and Multi-Kit/distributor ........31 PMEN0654 rev.0 - 12/2023... -
Page 37: Ras-(2-3)Hvrc3
6.1 RAS-(2-3)HVRC3 6.1.1 Refrigerant piping length The refrigerant piping between the indoor unit and the outdoor unit should be designed using the following chart. Keep the design point within the area of the chart, which is showing the applicable height difference according to piping length. Height difference (m) Total length between outdoor unit and each indoor unit RAS-(2-3)HVRC3... - Page 38 ◆ Maximum refrigerant piping length Outdoor Unit 2 HP 2.5 HP 3 HP Actual length (L) Maximum piping length between the outdoor unit and the farthest indoor unit Equivalent length (EL) Total piping length 2 units (A+B+C) Maximum piping line after first branch 2 units (B, C) Main piping length A A >...
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Page 39: Combinations Of Piping Size And Piping Length
◆ Maximum height difference (clarification) NOTE All pictures are as example. Branch and headers are not showed as real sizes or real picture, for the installation of this components follow the technical documentation. 6.1.3 Combinations of piping size and piping length Liquid Ø6.35 Ø9.52... -
Page 40: Refrigerant Piping Size And Multi-Kit/Distributor
6.1.4 Refrigerant piping size and Multi-Kit/distributor Select the piping connection sizes according to the following procedures • Between outdoor unit and branch pipe: Select the same pipe connection size as the pipe size of the outdoor unit. • Between branch pipe and indoor unit: Select the same pipe connection size as the pipe size of the indoor unit. -
Page 41: Dip Switches
DIP switches 7.1 Setting of DIP switches for outdoor unit ............33 PMEN0654 rev.0 - 12/2023... -
Page 42: Setting Of Dip Switches For Outdoor Unit
7.1 Setting of DIP switches for outdoor unit ◆ Quantity and position of DIP switches The PCB in the outdoor unit is operating with 9 types of DIP switches, and 4 push switches. The location is as follows: PCB1 PCB2 ◆... - Page 43 ◆ DSW301: Test run mode DSW301 Factory setting Cooling Heating Forced stop of compressor ◆ DSW302: Piping Length Setting (Setting is required) DSW302 Factory setting Pipe length (<5m) Pipe length (≥30m) PMEN0654 rev.0 - 12/2023...
- Page 44 ◆ DSW3: Capacity Setting (No setting is required) DSW3 Model RAS-2HVRC3 Factory setting Model RAS-2.5HVRC3 Factory setting Model RAS-3HVRC3 Factory setting ◆ DSW4 / RSW1: Refrigerant cycle number setting (Setting is required) DSW4 Factory setting Setting for the tens digit RSW1 Factory setting Set by inserting slotted screwdriver into the...
- Page 45 ◆ DSW6: No setting is required (Do not change) DSW6 Factory setting ◆ DSW7: No setting is required (Do not change) DSW7 Factory setting PMEN0654 rev.0 - 12/2023...
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Page 46: Commissioning
Commissioning 8.1 Main concerns for commissioning ..............38 PMEN0654 rev.0 - 12/2023... -
Page 47: Main Concerns For Commissioning
8.1 Main concerns for commissioning When installation is completed, perform test run according to the following procedure, and hand over the system to the customer. Perform test run regarding indoor units one by one in order, and confirm that the electrical wiring and the refrigerant piping are correctly connected. CAUTION Do not operate the system until all the check points have been cleared: •... -
Page 48: Vacuum Pumping
Vacuum pumping 9.1 Basic Method ....................40 9.2 Triple Evacuation Method ................41 9.3 RAS-(2-3)HVRC3 vacuum pumping example ...........42 PMEN0654 rev.0 - 12/2023... -
Page 49: Basic Method
9.1 Basic Method If the penetration of moisture is suspected, perform “Triple Evacuation Method” that is described in the next paragraph. • Connect the gauge manifold using charging hoses with a vacuum pump or a nitrogen cylinder to the check joints of the liquid line and the gas line stop valve. •... -
Page 50: Triple Evacuation Method
9.2 Triple Evacuation Method According to the following [Step 1] [Step 2] [Step 3] in order, conduct vacuum drying work. Step 1 1 Vacuum until the pressure reaches 2000 microns (2.0 mmHg). 2 Pressurize with nitrogen up to 0.3 MPaG (50 PSIG) for 15 minutes. 3 Release pressure until reaching the atmosphere level, as low as 0.03 MPaG (5 PSIG). -
Page 51: Ras-(2-3)Hvrc3 Vacuum Pumping Example
9.3 RAS-(2-3)HVRC3 vacuum pumping example Outdoor unit Nitrogen tank (for air tight test and nitrogen blow during brazing) Manifold gauge Gas line stop valve Vacuum pump Liquid line stop valve Cover the flare nut and union of the piping Gas line connection securely with thermal insulation Indoor unit Liquid line... -
Page 52: Charging Work
Charging work 10.1 Important considerations ................44 10.2 RAS-(2-3)HVRC3 charging work example ............46 PMEN0654 rev.0 - 12/2023... -
Page 53: Important Considerations
The refrigerant used in each unit is identified on the specification label and manuals of the unit. Hitachi shall not be held liable for any failure, trouble, malfunction or accident caused by units illegally charged with refrigerants other than the specified one. - Page 54 ✓ Charge the proper quantity of refrigerant according to the piping length (Calculate the quantity of the refrigerant charge). Charged quantity needs to be controlled by a weighing equipment. ✓ Charge refrigerant by opening the gauge manifold valve. Charge the required refrigerant by operating the system in cooling.
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Page 55: Ras-(2-3)Hvrc3 Charging Work Example
10.2 RAS-(2-3)HVRC3 charging work example Outdoor unit Manifold Gauge Refrigerant tank (R32) Liquid line stop valve Weighing equipment Gas line stop valve Thermal insulation Gas line Indoor unit Liquid line Multi-Kit Thermal indoor until insulation for finishing work PMEN0654 rev.0 - 12/2023... -
Page 56: Refrigerant Pump Down
Refrigerant pump down 11.1 General considerations ..................48 11.2 RAS-(2-3)HVRC3 refrigerant pump down example .........48 PMEN0654 rev.0 - 12/2023... -
Page 57: General Considerations
11.1 General considerations When the refrigerant should be collected into the outdoor unit due to indoor/outdoor unit relocation, collect the refrigerant as follows: • Attach the manifold gauge to the gas stop valve and the liquid stop valve. • Turn ON the power source. •... -
Page 58: H-Link Ii System
H-LINK II system 12.1 General considerations ..................50 12.2 System installation DSW Setting ..............51 PMEN0654 rev.0 - 12/2023... -
Page 59: General Considerations
✓ Recommended number of indoor units to be connected: 64 Units per H-LINK II system. ✓ Maximum wiring length: total 1000 m (including CS-NET). In case that the total wiring length is longer than 1000 m, contact the Hitachi dealer. ✓ Recommended cable: twist pair cable with shield, over 0.75 mm2 (Equivalent to KPEV-S). -
Page 60: System Installation Dsw Setting
12.2 System installation DSW Setting DSW setting of indoor PCB and outdoor PCB for H-LINK II It is required to set DSW of every indoor unit and outdoor unit and match of the transmission circuit impedance. DSW Setting example: Cycle number 0 Cycle number 1 Cycle number 2 Terminating resistance... - Page 61 Outdoor unit RAS-(2-3)HVRC3 Function For setting refrigerant cycle address of outdoor unit. Set the DSW Refrigerant cycle DSW4 / RSW1 and RSW not to overlap the setting of other outdoor unit in the same H-LINK system. For matching impedance of transmission circuit, set the DSW5 Terminal resistance DSW5 according to the quantity of outdoor units in the H-LINK system.
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Page 62: Test Run From Outdoor Unit Side
Test run from outdoor unit side 13.1 RAS-(2-3)HVRC3 test run procedure ...............54 13.2 Test run check list ....................56 PMEN0654 rev.0 - 12/2023... -
Page 63: Ras-(2-3)Hvrc3 Test Run Procedure
13.1 RAS-(2-3)HVRC3 test run procedure The procedure of test run from outdoor unit side is indicated below. Setting of this DSW is available with the power source ON. CAUTION • Do not touch any other electrical parts when operating switches on the PCB. •... - Page 64 Operation DSW Setting Operation Remarks • Do not repeat compressor ON/OFF Setting: When DSW301-4 is ON during frequently. compressor operation, the Compressor Manual OFF: DSW301-4 ON. compressor stops to operate immediately and the indoor unit is under the condition of Thermo-OFF.
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Page 65: Test Run Check List
13.2 Test run check list MODEL: SERIAL NUMBER: COMPRESSOR MANUFACTURER NUMBER: CUSTOMER’S NAME AND ADDRESS: DATE: Is the rotation direction of the indoor fan correct? Is the rotation direction of the outdoor fan correct? Are there any abnormal compressor sounds? Has the unit been operated at least twenty (20) minutes? Check room temperature Inlet... -
Page 66: Troubleshooting
Troubleshooting 14.1 On-screen display during abnormal operation ..........58 14.2 Main Alarm Codes ...................59 PMEN0654 rev.0 - 12/2023... -
Page 67: On-Screen Display During Abnormal Operation
14.1 On-screen display during abnormal operation PC-ARFG-E example Indoor unit number (Refrigerant system-address number) When more than one indoor unit is connected, press " " or " " to show other indoor units. Installed unit number Abnormal operation can be produced due to the following reasons: ◆... -
Page 68: Main Alarm Codes
✓ D: Model code. Model code Indication Model Heat pump Inverter Multi (SET FREE) Cooling only Other IVX, individual operation ✓ E: If there are various indoor units connected, the above mentioned information is shown for each one of them. ◆... - Page 69 Code Category Content of Abnormality Leading Cause Activation of protection device Activation of float switch (high water level in drain pan, Indoor Unit (float switch) abnormality of drain pipe, float switch, or drain pan) Activation of protection device Activation of PSH (pipe clogging, excessive refrigerant, Outdoor Unit (High pressure cut) inert gas mixing)
- Page 70 Code Category Content of Abnormality Leading Cause Abnormality of indoor fan Abnormality of indoor fan motor (step-out), indoor fan system controller failure Indoor Fan Motor Activation of protection device Fan motor overheat, lockup for indoor fan Abnormality of fan controller fin Abnormality of fin thermistor or fan controller, heat temperature exchanger clogging, abnormality of fan motor...
- Page 71 Code Category Content of Abnormality Leading Cause Abnormality of outdoor unit Outdoor unit capacity > permitted maximum capacity Incorrect setting of outdoor unit Incorrect setting of main and sub units(s) combination or models combination or voltage voltage Outdoor Unit Abnormal communication Incorrect wiring, disconnect wire, breaking wire, PCB between main unit and sub failure...
- Page 72 Code Category Content of Abnormality Leading Cause Incorrect setting of unit model Incorrect setting of indoor unit model code Incorrect setting of unit and 64 or more number is set for address or refrigerant cycle refrigerant cycle number Abnormality of EEPROM EEPROM failure, incorrect data of EEPROM Indoor Unit Incorrect indoor unit number...
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Page 73: Maintenance
Maintenance 15.1 General considerations ..................65 15.2 General maintenance work ................65 PMEN0654 rev.0 - 12/2023... -
Page 74: General Considerations
15.1 General considerations DANGER • Turn OFF the power source before the maintenance work. If not, it may cause a fire or an electric shock. • Perform the maintenance work with stable footing. If not, it may cause falling or injury. NOTE Do not operate the system without the air filter to protect the indoor unit heat exchanger against being clogged. - Page 75 3 Piping connection ✓ Leakage: Check for the refrigerant leakage at the piping connection. 4 Cabinet ✓ Stain and lubrication: Check for any stain and any lubrication. Remove the stain and the lubrication. ✓ Fixing screw: Check for any loosened screw or any lost screw. Fix the loosened screws and the lost screws.
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Page 76: Optional Parts For Ras-(2-3)Hvrc3 Series
Optional parts for RAS-(2-3)HVRC3 series 16.1 Assigned models and quantity ................68 16.2 Air flow guide ....................68 16.2.1 AG-264 ....................68 16.3 Wind guard ......................70 16.3.1 WSP-SP10A ..................70 16.4 Snow protection hood ..................71 16.4.1 Air discharge hood ................71 16.4.2 Rear suction hood ................72 16.4.3 Left suction hood .................73 16.4.4 Assembly of snow protection hood ............74 PMEN0654 rev.0 - 12/2023... -
Page 77: Assigned Models And Quantity
16.1 Assigned models and quantity RAS-(2-3)HVRC3 Air flow guide AG-264 Wind guard WSP-SP10A Snow protection hood (Zinc plate) ASG-SP10FTB (Half) Air outlet ASG-SP11FTB (Full) ASG-SP10BTB Air inlet of rear side ASG-SP10LTB Air inlet of side face 16.2 Air flow guide 16.2.1 AG-264 ◆... - Page 78 ◆ Air flow guide installation Air discharge grille 4xM5 fixing screw (Accessories) One air flow installation flow The holes for the attachment of the airflow guide shall be first opened using a M4x13 self-tapping screw at the designated locations, then removing Air flow guide the self-tapping screw and using the supplied...
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Page 79: Wind Guard
16.3 Wind guard 16.3.1 WSP-SP10A ◆ Specifications Material Galvanized sheet metal + baked painting Color UTOPIA Beige (Munsell code: 2.5Y8/2) Weight 4.0 kg Unit fixing screw 4 x [M5 (SUS) x 30] Accessories Wind guard 10 x [M5 (SUS) x 12] fixing screw Installation manual “Guard net”... -
Page 80: Snow Protection Hood
16.4 Snow protection hood 16.4.1 Air discharge hood ASG-SP10FTB (Half) (1) Product name ASG-SP11FTB (Full) (2) Material Bonderized steel sheet Color Gray (1.0Y8.5/0.5) (1) 1.9 kg Weight (2) 4.3 kg Assembling Assembly on site Components Hood For air discharge part x1 (1) 7 x [M5x12] Fixing screw (2) 16 x [M5x12]... -
Page 81: Rear Suction Hood
16.4.2 Rear suction hood Product name ASG-SP10BTB Material Bonderized steel sheet Color Gray (1.0Y8.5/0.5) Weight 3.9 kg Assembling Assembly on site Components For rear side air intake x 1 Hood (Upper side x 1 lower side x 1) Fixing screw 4 x [M5x12] Hood fixing screw (SUS) 10 x [M5x12] Self-screw... -
Page 82: Left Suction Hood
16.4.3 Left suction hood Product name ASG-SP10LTB Material Bonderized steel sheet Color Gray (1.0Y8.5/0.5) Weight 2.5 kg Assembling Assembly on site Components Hood For left side air intake x 1 Fixing screw 6 [M5x12] Hood fixing screw (SUS) 6 x [M5x12] Self-screw 2 (M4x13) Installation restriction... -
Page 83: Assembly Of Snow Protection Hood
16.4.4 Assembly of snow protection hood Rear side Left side Front side Fixing screw Air inlet hood Wire rope (optional for over turning protection) Air discharge hood Outdoor unit Left suction hood Air discharge grille NOTE • a > Maximum snowfall height. •... - Page 85 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. Ronda Shimizu, 1 - Políg. Ind. Can Torrella 08233 Vacarisses (Barcelona) Spain © Copyright 2023 Johnson Controls-Hitachi Air Conditioning Spain, S.A.U. – All rights reserved. PMEN0654 rev.0 - 12/2023 Printed in Spain...