Vivax ACP-12CT35AERI Service Manual
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Vivax ACP-12CT35AERI Service Manual

Energy related products lcac inverter series
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ENERGY RELATED PRODUCTS
LCAC INVERTER SERIES
ACP-12CT35AERI
ACP-18CC50AERI
ACP-36CC105AERI
ACP-48CC140AERI
ACP-18CF50AERI
ACP-36CF105AERI
ACP-55CF160AERI
ACP-36DT105AERI
ACP-48DT150AERI
EN
Service manual 2016
ACP-12CC35AERI
ACP-24CC70AERI
ACP-42CC120AERI
ACP-55CC160AERI
ACP-24CF70AERI
ACP-48CF140AERI
ACP-24DT70AERI
ACP-42DT120AERI
ACP-55DT160AERI

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Summary of Contents for Vivax ACP-12CT35AERI

  • Page 1 ENERGY RELATED PRODUCTS LCAC INVERTER SERIES ACP-12CT35AERI ACP-12CC35AERI ACP-24CC70AERI ACP-18CC50AERI ACP-36CC105AERI ACP-42CC120AERI ACP-48CC140AERI ACP-55CC160AERI ACP-18CF50AERI ACP-24CF70AERI ACP-48CF140AERI ACP-36CF105AERI ACP-24DT70AERI ACP-55CF160AERI ACP-42DT120AERI ACP-36DT105AERI ACP-55DT160AERI ACP-48DT150AERI Service manual 2016...
  • Page 3 Contents Part 1 General Information ....................1 Part 2 Indoor Units ......................... 6 Part 3 Outdoor Units ......................74 Part 4 Installation ......................... 87 Part 5 Electrical Control System ..................119 The specifications, designs, and information in this book are subject to change without notice for product improvement.

  • Page 5: Table Of Contents

    General Information Part 1 General Information 1. Model Lists....................2 2. External Appearance ................3 2.1 Indoor Units......................3 2.2 Outdoor Units ......................3 3. Nomenclature ................... 4 4. Features ....................5 General Information...

  • Page 6: Model Lists

    Cooling and heating cassette(compact) Console Cooling and heating 1.2 Outdoor Units Outdoor unit Model Compressor type Compressor Brand Matched indoor units ACP-12CC3AERI/O ACP-12CC35AERI/I Rotary GMCC ACP-12CT3AERI/O ACP-12CT35AERI/I ACP-18CC50AERI/O ACP-18CC50AERI/I Rotary GMCC ACP-18CF50AERI/O ACP-18CF50AERI/I ACP-24CC70AERI/O ACP-24CC70AERI/I ACP-24CF70AERI/O Rotary GMCC ACP-24CF70AERI/I ACP-24DT70AERI/O...

  • Page 7: External Appearance

    External Appearance 2. External Appearance 2.1 Indoor Units Duct Super slim cassette Ceiling-Floor Compact Four-way cassette Console 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information...

  • Page 8: Nomenclature

    Nomenclature 3. Nomenclature CC – CASSETTE TYPE UNIT CT – CONSOLE TYPE UNIT CF – CEILING AND FLOOR TYPE UNIT CC – DUCT TYPE UNIT General Information...

  • Page 9: Features

    Features Features 4.1. To meet Europe A level, actual EER/COP of new product with BLDC motors of indoor & outdoor unit and DC compressor will be higher than 3.4. 4.2. Low ambient kit is standard for outdoor units 4.3. Network control function is standard for the indoor units. 4.4.
  • Page 10 Indoor Units Part 2 Indoor Units Super Slim Cassette Type ..........7 Duct Type ................ 22 Ceiling & Floor Type ............37 Four-way Cassette Type (Compact) ......52 Console Type ..............62 Indoor Units...
  • Page 11 Super Slim Cassette Type Super Slim Cassette Type 1. Features ................ 8 2. Dimensions ..............11 3. Service Space ............. 12 4. Wiring Diagrams ............13 5. Air Velocity Distributions(Reference Data) ....14 6. Electric Characteristics ..........17 7. Sound Levels .............. 18 8.

  • Page 12: Features

    Features 1. Features 1.1 Overview Compact design, super slim body size, less space requiring in installation Each louver can be separately controlled, more comfort air blowing is possible. Auto-lifting panel design, more convenient to clean and maintain the filter. (optional) Fresh air intake function Fresh air fulfills air quality more healthy and comfortable.
  • Page 13 Features Built-in draining pump Due to the improvement of structure, more convenient to repair or replace the draining pump. Draining Pump Built-in draining pump to make sure condensed water drain out reliably. 1.6 Terminals for alarm lamp and long-distance on-off controller connection are standard Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more human control.
  • Page 14 Features Alarm lamp Long-distance on-off controller 1.7 Twins Combination(18k-30k) The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The indoor units can be combined in any of the different available ratings. Indoor Units...

  • Page 15: Dimensions

    Dimensions 2. Dimensions 92 92 Fresh air intake 4-install hanger Body Gas side Liquid side Wiring connection port E-parts box Service hole for Test mouth & Test cover draining pump Drain hole 92 92 92 92 Panel Unit: mm Model ACP-24CC70AERI ACP-36CC105AERI ACP-42CC120AERI...

  • Page 16: Service Space

    Service Space 3. Service Space >1000m m >1000mm Indoor Units...

  • Page 17: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-24CC70AERI ACP-36CC105AERI ACP-42CC120AERI ACP-48CC140AERI ACP- 55CC160AERI Indoor Units...

  • Page 18: Air Velocity Distributions(Reference Data)

    Air Velocity Distributions (Reference Data) Air Velocity Distributions (Reference Data) 18-24K: Cooling: Heating: Indoor Units...
  • Page 19 Air Velocity Distributions (Reference Data) 30-42K: Cooling: Heating: Indoor Units...
  • Page 20 Air Velocity Distributions (Reference Data) 48-55K Cooling: Heating: Indoor Units...

  • Page 21: Electric Characteristics

    Electric Characteristics Electric Characteristics Power Indoor Unit Supply Model Voltage ACP-24CC70AERI 220-240 ACP-36CC105AERI 220-240 ACP-42CC120AERI 220-240 ACP-48CC140AERI 220-240 ACP-55CC160AERI 220-240 Notes: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 22: Sound Levels

    Sound Levels Sound Levels Microphone Noise level dB(A) Model Noise Power dB(A) ACP-24CC70AERI ACP-36CC105AERI ACP-42CC120AERI ACP-48CC140AERI ACP-55CC160AERI Indoor Units...

  • Page 23: Accessories

    Accessories Accessories Name Shape Quantity Installation Fittings Installation paper board Tubing & Fittings Soundproof / insulation sheath Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be provided the following...

  • Page 24: The Specification Of Power

    The Specification of Power 9. The Specification of Power 18000- Model 30000 Btu/h 36000 Btu/h 24000Btu/h Phase 1-phase 1-phase 1-phase Frequency 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz Voltage INDOOR UNIT POWER WIRING 3×1.0 3×1.0 3×1.0 POWER CIRCUIT BREAKER 15/10 15/10 15/10 / Fuse (A) Phase...

  • Page 25: Field Wiring

    Field Wiring 10. Field Wiring Indoor Units...
  • Page 26 Duct Type Duct Type 1. Features ................23 2. Dimensions ............... 26 3. Service Space ..............27 4. Wiring Diagrams ............... 28 5. Static Pressure ..............30 6. Electric Characteristics ........... 32 7. Sound Levels ..............33 8. Accessories ..............34 9.

  • Page 27: Features

    Features Features 1.1 Installation accessories: (Optional) Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Canvas Air Passage Filter Panel 1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side) Air inlet from rear is standard for all capacity; air inlet from bottom is optional. The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from bottom to rear side, or from rear to the bottom, in order to matching the installation condition.
  • Page 28 Features Replace the motor or centrifugal fan Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily. Motor Blower Housing Ventilated Panel 1.5 Reserved remote on-off and central control ports...
  • Page 29 Features 1.7 Built-in display board The standard indoor unit can be controlled by wired controller. There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control. The wired controller and the display board can display the error code or production code when the chips detect some failure.

  • Page 30: Dimensions

    Dimensions Dimensions air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side 25 Drain pipe Gas side 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Fresh air intake Electric control box Air filter ( optional ) air inlet from bottom side...

  • Page 31: Service Space

    Service Space Service Space Ensure enough space required for installation and maintenance. All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Indoor Units...

  • Page 32: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams ACP-24DT70AERI, ACP-36DT105AERI, ACP-42DT120AERI ACP-48DT140AERI, ACP-55DT160AERI Pre-setting Instructions Indoor Units...
  • Page 33 Wiring Diagrams Indoor Units...

  • Page 34: Static Pressure

    Static Pressure Static Pressure ACP-24DT70AERI ACP-36DT105AERI Indoor Units...
  • Page 35 Static Pressure ACP-42DT120AERI, ACP-48DT140AERI, ACP-55DT160AERI Indoor Units...

  • Page 36: Electric Characteristics

    Electric Characteristics Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. ACP-24DT70AERI 220-240 ACP-36DT105AERI 220-240 ACP-42DT120AERI 220-240 ACP-48DT140AERI 220-240 ACP-55DT160AERI 220-240 Note: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 37: Sound Levels

    Sound Levels Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Sound Power Model dB(A) ACP-24DT70AERI ACP-36DT105AERI ACP-42DT120AERI ACP-48DT140AERI ACP-55DT160AERI Indoor Units...

  • Page 38: Accessories

    Accessories 8. Accessories Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller & Its Frame Wired controller Owner s manual Others Installation manual Magnetic ring (twist the electric wires L EMS &...

  • Page 39: The Specification Of Power

    The Specification of Power The Specification of Power 18000- Model 36000 Btu/h 36000 Btu/h 24000Btu/h Phase 1-phase 1-phase 1-phase Frequency and 220-240V, 220-240V, 220-240V, Voltage 50Hz 50Hz 50Hz INDOOR POWER UNIT 3×1.0 3×1.0 3×1.0 WIRING (mm POWER CIRCUIT BREAKER/ 15/10 15/10 15/10 Fuse (A)

  • Page 40: Field Wiring

    Field Wiring Field Wiring ACP-24DT70AERI, ACP-36DT105AERI ACP-42DT120AERI, ACP-48DT140AERI, ACP-55DT160AERI Indoor Units...
  • Page 41 Ceiling & Floor Type Ceiling & Floor Type 1. Features ..............38 2. Dimensions ..............39 3. Service Space ............. 40 4. Wiring Diagrams ............41 5. Electric Characteristics ..........43 6. Sound Levels .............. 43 Velocity Temperature Distributions (Reference Data) ............44 8.

  • Page 42: Features

    Features 1. Features 1.1. New design, more modern and elegant appearance. 1.2. 1.2. Convenient installation --The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow --It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as one lighting.

  • Page 43: Dimensions

    Dimensions 2. Dimensions Wiring connection port Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm Capacity (Btu/h) ACP-18CF50AERI 1068 ACP-24CF70AERI ACP-36CF105AERI ACP-48CF140AERI 1650 1565 ACP-55CF160AERI Indoor Units...

  • Page 44: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 45: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-18CF50AERI, ACP-24CF70AERI, ACP-36CF105AERI ACP-48CF140AERI, ACP-55CF160AERI Indoor Units...
  • Page 46 Wiring Diagrams Pre-setting Instructions Indoor Units...

  • Page 47: Electric Characteristics

    Electric Characteristics 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. ACP-18CF50AERI 220-240 ACP-24CF70AERI 220-240 ACP-36CF105AERI 220-240 ACP-48CF140AERI 220-240 ACP-55CF160AERI 220-240 Note: MFA: Max. Fuse Amps. (A) 6. Sound Levels Microphone 1 . 5 m Air outlet side Microphone Ceiling Floor...

  • Page 48: Air Velocity And Temperature Distributions

    Air Velocity and Temperature Distributions (Reference Data) 7. Air Velocity and Temperature Distributions (Reference Data) Model: ACP-18CF50AERI, ACP-24CF70AERI Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 49 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 50 Air Velocity and Temperature Distributions (Reference Data) Model: ACP-36CF105AERI Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 51 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 52 Air Velocity and Temperature Distributions (Reference Data) Model: ACP-48CF140AERI, ACP-55CF160AERI Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
  • Page 53 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...

  • Page 54: Accessories

    Accessories 8. Accessories Name Shape Quantity 1. Remote controller Remote controller & Its holder(The product you 2. Remote controller holder have might not be provided the following accessories) 3. Mounting screw (ST2.9×10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual Others 6.

  • Page 55: Field Wiring

    Field Wiring Field Wiring Indoor Units...
  • Page 56 Field Wiring Four-way Cassette Type (Compact) 1. Features ..............53 2. Dimensions ..............55 3. Service Space ............. 56 4. Wiring Diagrams ............57 Velocity Temperature Distributions (Reference Data) ............58 6. Electric Characteristics ..........59 7. Sound Levels .............. 59 8.

  • Page 57: Features

    Features 1. Features 1.1 New panel 360°surrounding air outlet design, affords comfortable feeling 1.2 Compact design The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for installation and will not damage the decoration. The panel size is 647×50×647mm. The hooks are designed in the four corners of the body, which can save installation space.
  • Page 58 Features Indoor Units...

  • Page 59: Dimensions

    Dimensions 2. Dimensions ACP-12CC35AERI, ACP-18CC50AERI Liquid side Gas side Body Drain hole Wiring connection port ( for Service ) E-parts box 150 Distribution duct 4-Screw hole (for install panel) 4-install hanger Drain pipe Fresh air intake Wiring connection port Panel Indoor Units...

  • Page 60: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 61: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-12CC35AERI ACP-18CC50AERI Indoor Units...

  • Page 62: Air Velocity And Temperature Distributions

    Air Velocity and Temperature Distributions (Reference Data) 5. Air Velocity and Temperature Distribution s (Reference Data) Airflow velocity Temperature Indoor Units...

  • Page 63: Electric Characteristics

    Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. ACP-12CC35AERI 220-240 ACP-18CC50AERI 220-240 Note: MFA: Max. Fuse Amps. (A) 7. Sound Levels Microphone Noise level dB(A) Model Noise Power dB(A) ACP-12CC35AERI ACP-18CC50AERI Indoor Units...

  • Page 64: Accessories

    Field Wiring 8. Accessories Name Shape Quantity Installation Fittings Installation paper board Tubing & Fittings Soundproof / insulation sheath Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be...

  • Page 65: Field Wiring

    Field Wiring 10. Field Wiring ACP-12CC35AERI ACP-18CC50AERI Indoor Units...
  • Page 66 Console Type Console Type 1. Features ..............63 2. Dimensions ..............65 3. Service Space ............. 66 4. Wiring Diagrams ............67 Velocity Temperature Distributions (Reference Data) ............68 6. Electric Characteristics ..........69 7. Sound Levels .............. 70 8. Accessories ..............71 9.

  • Page 67: Features

    Features 1. Features 1.1. Modern and elegant appearance The simple and stylish designs can nicely harmonies with your living space. 1.2. Four panels optional 1.3. Two air-outlet ways Cooling mode Quick Cooling To maintain room temp Air outlet from top and bottom to make quick cooling ------When the A/C is just switched on, or room temp.
  • Page 68 Console Type to prevent cold air direct blowing, only the upper louver is opened in a high position, the lower louver closed. 1.4. Four air inlets 1.5. Low noise DC indoor fan motor, which has five speeds. Low noise and energy saving. Advanced centrifugal fan technology makes a fast airflow and reduces the indoor noise.

  • Page 69: Dimensions

    Console Type 2. Dimensions Hanging arm D r a i n p i p e Unit: mm Console Type...

  • Page 70: Service Space

    Console Type 3. Service Space Console Type...

  • Page 71: Wiring Diagrams

    Console Type 4. Wiring Diagrams ACP-12CT35AERI Console Type...

  • Page 72: Air Velocity And Temperature Distributions

    Console Type 5. Air Velocity and Temperature Distributions (Reference Data) Discharge angle 60 Airflow velocity Temperature Console Type...

  • Page 73: Electric Characteristics

    Console Type 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. ACP-12CT35AERI 220-240 Console Type...

  • Page 74: Sound Levels

    Console Type 7. Sound Levels Microphone 1.5m Noise level dB(A) Noise Power Model dB(A) ACP-12CT35AERI Console Type...

  • Page 75: Accessories

    Console Type 8. Accessories Name Shape Quantity Installation fittings Hook Remote controller Frame Remote controller & Its Frame Mounting screw(ST2.9×10-C-H) Alkaline dry batteries (AM4) Installation manual Others Owner's manual 9. The Specification of Power MODEL 12000 Btu/h Phase 1-phase Power Frequency and 220-240V, 50Hz Voltage...

  • Page 76: Field Wiring

    Console Type 10. Field Wiring ACP-12CT35AERI Console Type...
  • Page 77 Console Type Console Type...
  • Page 78 Outdoor Units Part 3 Outdoor Units 1. Dimensions……………………………………………………………………….75 2. Service Space…………………………………………………………………….77 3. Piping Diagrams…………………………………………………………………78 4. Wiring Diagrams…………………………………………………………………79 5. Electric Characteristics………………………………………………………...84 6. Operation Limits…………………………………………………………………85 7. Sound Levels……………………………………………………………………..86 Outdoor Units...

  • Page 79: Dimensions

    Dimensions 1. Dimensions Unit mm Model ACP-12(CC/CT)35AERI ACP-18(CC/CF)50AERI ACP- 24(CC/CF/DT)70AERI ACP- 36(CC/CF/DT)105AERI Outdoor Units...
  • Page 80 Dimensions Unit mm Model ACP- 1369 48(CC/CF/DT)140AERI ACP- 1369 55(CC/CF/DT)160AERI Outdoor Units...

  • Page 81: Service Space

    Service Space 2. Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units...

  • Page 82: Piping Diagrams

    Piping Diagrams 3. Piping Diagrams ACP-12(CC/CT)35AERI ACP-18(CC/CF)50AERI ACP-24(CC/CF/DT)70AERI INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE (EVAPORATOR) HEAT T4 Ambient T1 Room temp. T2 Evaporator EXCHANGE temp. sensor sensor temp. sensor (CONDENSER) middle T2B Evaporator...

  • Page 83: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-12(CC/CT)35AERI ACP-18(CC/CF)50AERI Outdoor Units...
  • Page 84 Wiring Diagrams ACP-24(CC/CF/DT)70AERI Outdoor Units...
  • Page 85 Wiring Diagrams ACP-36(CC/CF/DT)105AERI Outdoor Units...
  • Page 86 Wiring Diagrams ACP-42(CC/DT)120AERI Outdoor Units...
  • Page 87 Wiring Diagrams ACP-48(CC/CF/DT)140AERI ACP-55(CC/CF/DT)160AERI Outdoor Units...

  • Page 88: Electric Characteristics

    Electric Characteristics 5. Electric Characteristics Outdoor Unit Model Voltage Min. Max. ACP-12(CC/CT35)AERI 220-240V 198V 254V ACP-18(CC/CF)AERI 220-240V 198V 254V ACP- 220-240V 198V 254V 24(CC/CF/DT)70AERI ACP- 380-415V 342V 440V 36(CC/CF/DT)105AERI ACP-42(CC/DT)120AERI 380-415V 342V 440V ACP- 220-240V 198V 254V 48(CC/CF/DT)140AERI ACP- 380-415V 342V 440V 55(CC/CF/DT)160AERI...

  • Page 89: Operation Limits

    Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature Outdoor temperature the models with low temperature cooling system CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 90: Sound Levels

    Sound Levels 7. Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) ACP-12(CC/CT)35AERI ACP-18(CC/CF)50AERI ACP-24(CC/CF/DT)70AERI ACP-36/CC/CF/DT)105AERI ACP-42(CC/DT)120AERI ACP-48(CC/CF/DT)140AERI ACP-55(CC/CF/DT)160AERI Outdoor Units...
  • Page 91 Installation Part 4 Installation 1. Installation Procedure ............ 88 2. Location selection ............89 3. Indoor unit installation ........... 90 4. Outdoor unit installation (Side Discharge Unit) ..105 5. Refrigerant pipe installation ........106 6. Drainage pipe installation ..........110 7.

  • Page 92: Installation Procedure

    Installation Procedure 1. Installation Procedure Indoor unit installation Outdoor unit installation location selection location selection Indoor unit installation Outdoor unit installation Refrigerant pipe Refrigerant pipe installation and insulation installation and insulation Drainage pipe installation Drainage pipe installation and insulation and insulation Vacuum drying and leakage checking Additional refrigerant charge Insulation the joint part of refrigerant pipe...

  • Page 93: Location Selection

    Location selection 2. Location selection 2.1 Indoor unit location selection The place shall easily support the indoor unit’s weight. The place can ensure the indoor unit installation and inspection. The place can ensure the indoor unit horizontally installed. The place shall allow easy water drainage. The place shall easily connect with the outdoor unit.

  • Page 94: Indoor Unit Installation

    Indoor unit installation 3. Indoor unit installation 3.1 Super slim cassette indoor unit installation 3.1.1 Service space for indoor unit Model ACP-24CC70AERI >275 ACP-36CC105AERII ACP-42CC120AERI ACP-48CC140AERI >317 ACP-55CC160AERI 3.1.2 Bolt pitch Installation...
  • Page 95 Indoor unit installation 3.1.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 96 Indoor unit installation 3.1.5 Install the panel Remove the grille Remove the 4 corner covers. Hang the panel to the hooks on the mainbody. If the panel is with auto-lift grille, please watch the ropes lifing the grille, DO NOT make the ropes enwinded or blocked. Installation...
  • Page 97 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
  • Page 98 Indoor unit installation Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively. Install the 4 corner covers back. Note: The panel shall be installed after the wiring connected. Installation...
  • Page 99 Indoor unit installation 3.2 A5 duct indoor unit installation 3.2.1 Service space for indoor unit 3.2.2 Bolt pitch Size of outline dimension mounted plug Capacity(KBtu) ACP-24DT70AERI ACP-36DT105AERI ACP-42DT120AERI 1240 ACP-48DT140AERI ACP-55DT160AERI 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling.
  • Page 100 Indoor unit installation 3.2.4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it. Adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body. Use a leveling instrument to make sure the levelness of the main body is within 3.2.5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws.
  • Page 101 Indoor unit installation 3.2.7 Change the air inlet direction Take off ventilation panel and flange, cut off the staples at side rail. Stick the attached seal sponge as per the indicating place in the following fig, and then change the mounting positions of air return panel and air return flange .
  • Page 102 Indoor unit installation 3.3 Ceiling & floor indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch Ceiling installation Capacity (Btu/h) ACP-18CF50AERI ACP-24CF70AERI ACP-36CF105AERI ACP-48CF140AERI 1565 ACP-55CF160AERI Wall-mounted installation 3.3.3 Install the pendant bolt Ceiling installation Installation...
  • Page 103 Indoor unit installation Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings). Wall-mounted installation Install the tapping screws onto the wall.(Refer to picture below) 3.3.4 Install the main body Ceiling installation (The only installation method for the unit with drain pump)
  • Page 104 Indoor unit installation Put the side panels and grilles back. Wall-mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit. (The bottom of body can touch with floor or suspended, but the body must install vertically.) Installation...
  • Page 105 Indoor unit installation 3.4 Compact cassette indoor unit installation 3.4.1 Service space for indoor unit 3.4.2 Bolt pitch 3.4.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
  • Page 106 Indoor unit installation If the ceiling is extremely high, please determine the length of the installation hook depending on the real situation. 3.4.4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it. Adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body.
  • Page 107 Indoor unit installation Hang the panel to the hooks on the mainbody. Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively.
  • Page 108 Indoor unit installation 3.5 Console indoor unit installation 3.5.1 Service space for indoor unit 3.5.2 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook. (The bottom of body can touch with floor or suspended, but the body must install vertically.) Installation...

  • Page 109: Outdoor Unit Installation (Side Discharge Unit)

    Outdoor unit installation (Side Discharge Unit) 4. Outdoor unit installation (Side Discharge Unit) 4.1 Service space for outdoor unit (Wall or obstacle) Air inlet More than 30cm More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm 4.2 Bolt pitch...

  • Page 110: Refrigerant Pipe Installation

    Refrigerant pipe installation 5. Refrigerant pipe installation 5.1 Maximum pipe length and height drop Considering the allowable pipe length and height drop to decide the installation position. Make sure the distance and height drop between indoor and outdoor unit not exceeded the date in the following table. Model Max.
  • Page 111 Refrigerant pipe installation Flare dimension A (mm) Pipe diameter Flare shape 1/4" (6.35) 3/8" (9.52) 12.0 12.4 R0.4~0.8 1/2" (12.7) 15.4 15.8 5/8" (15.9) 18.6 19.1 3/4" (19) 22.9 23.3 After flared the pipe, the opening part must be seal by end cover or adhesive tape to avoid duct or exogenous impurity come into the pipe.
  • Page 112 Refrigerant pipe installation Note: All used branch pipe must be produced by Midea, otherwise it causes malfunction. The indoor units should be installed equivalently at the both side of the U type branch pipe. Permitted Value Piping 18K+18K Total pipe length (Actual) 24K+24K L+L1+L2 30K+30K...
  • Page 113 Refrigerant pipe installation Installation...

  • Page 114: Drainage Pipe Installation

    Drainage pipe installation 6. Drainage pipe installation Install the drainage pipe as shown below and take measures against condensation. Improperly installation could lead to leakage and eventually wet furniture and belongings. 6.1 Installation principle Ensure at least 1/100 slope of the drainage pipe Adopt suitable pipe diameter Adopt nearby condensate water discharge 6.2 Key points of drainage water pipe installation...
  • Page 115 Drainage pipe installation 6.2.3 Individual design of drainage pipe system The drainage pipe of air conditioner shall be installed separately with other sewage pipe, rainwater pipe and drainage pipe in building. The drainage pipe of the indoor unit with water pump should be apart from the one without water pump.
  • Page 116 Drainage pipe installation Indoor unit More than 50mm Plug More than 25mm Water storage pipe 6.2.7 Lifting pipe setting of indoor unit with water pump The length of lifting pipe should not exceed the pump head of indoor unit water pump. Pump head of big four way cassette: 750mm Pump head of compact four way cassette: 500mm The drainage pipe should be set down inclined after the lifting pipe immediately to avoid wrong...
  • Page 117 Drainage pipe installation 6.3 Drainage test 6.3.1 Water leakage test After finishing the construction of drainage pipe system, fill the pipe with water and keep it for 24 hours to check whether there is leakage at joint section. 6.3.2 Water discharge test Natural drainage mode(the indoor unit with outdoor drainage pump) Infuse above 600ml water through water test hole slowly into the water collector, observe whether the water can discharge through the transparent hard pipe at drainage outlet.

  • Page 118: Vacuum Drying And Leakage Checking

    Vacuum Drying and Leakage Checking 7. Vacuum Drying and Leakage Checking 7.1 Purpose of vacuum drying Eliminating moisture in system to prevent the phenomena of ice-blockage and copper oxidation. Ice-blockage shall cause abnormal operation of system, while copper oxide shall damage compressor. Eliminating the non-condensable gas (air) in system to prevent the components oxidizing, pressure fluctuation and bad heat exchange during the operation of system.

  • Page 119: Additional Refrigerant Charge

    Additional refrigerant charge 8. Additional refrigerant charge After the vacuum drying process is carried out, the additional refrigerant charge process need to be performed. The outdoor unit is factory charged with refrigerant. The additional refrigerant charge volume is decided by the diameter and length of the liquid pipe between indoor and outdoor unit. Refer the following formula to calculate the charge volume.

  • Page 120: Engineering Of Insulation

    Engineering of insulation 9. Engineering of insulation 9.1 Insulation of refrigerant pipe 9.1.1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe → insulation (except joint section) → flare the pipe → piping layout and connection→ vacuum drying → insulate the joint parts 9.1.2 Purpose of refrigerant pipe insulation During operation, temperature of gas pipe and liquid pipe shall be over-heating or over-cooling extremely.

  • Page 121: Engineering Of Electrical Wiring

    Engineering of electrical wiring 9.2.3 Insulation material selection for drainage pipe The insulation material should be flame retardant material, the flame retardancy of the material should be selected according to the local law. Thickness of insulation layer is usually above 10mm. Use specific glue to paste the seam of insulation material, and then bind with adhesive tape.

  • Page 122: Test Operation

    Test operation 11. Test operation 11.1 The test operation must be carried out after the entire installation has been completed. 11.2 Please confirm the following points before the test operation. The indoor unit and outdoor unit are installed properly. Tubing and wiring are correctly completed. The refrigerant pipe system is leakage-checked.
  • Page 123 Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........120 2. Troubleshooting ............135 3. Controller ..............163 Electrical Control System...
  • Page 124 Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet. T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 1.2 Main Protection 1.2.1 Time delay at restart for compressor.
  • Page 125 Electrical Control Function 1.3 Operation Modes and Functions 1.3.1 Fan mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) For Console& Compact cassette(12K): Indoor fan can be set to high/med/low/ breeze, for other models: Indoor fan can be set to high/(med)/low/auto;...
  • Page 126 Electrical Control Function The unit is working in cooling mode with the EXV open 300P(For 12K, it is 220P) for 3 minutes, then adjusting EXV open angle according to the temperature of compressor discharge every 2 minutes. 1.3.2.2 Outdoor fan running rules 1.3.2.3 Indoor fan running rules For Console(12K): In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and...
  • Page 127 Electrical Control Function T1-Ts (H-L)*0.75+L (H-L)*0.5+L (H-L)*0.25+L For Compact cassette(12K),A5(12K),Ceiling& floor(12K): In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and silent. The auto fan: High Medium For other models: High Medium 1.3.2.4 Evaporator low temperature T2 protection.
  • Page 128 Electrical Control Function ---T3<52 , the compressor will not limit the frequency and resume to the former frequency. ---T3>60 for 5 seconds, the compressor will stop until T3<52 . For other models: When T3>65 for 3 seconds, the compressor will shut off. When T3 52,the compressor will restart.
  • Page 129 Electrical Control Function If the compressor stops caused by the room temperature rising, the indoor fan will be forced to run 127 seconds with breeze. During this period, the anti-cold-wind is disabled. Auto fan action in heating mode: T1-Ts+¦ ¤ T -1.0 (H+-L)*0.2+L -2.0...
  • Page 130 Electrical Control Function When the compressor is on, the indoor fan can be set to high/medium/low/auto. And the anti-cold wind function has the priority. Auto fan action: T1-Ts- ¦ ¤ Medium High 1.3.3.4 Defrosting mode For 12K models Condition of defrosting: If any one of the following items is satisfied, AC will enter the defrosting mode.
  • Page 131 Electrical Control Function Frequency F3 FrequencyF16 Compressor 4-way valve Outdoor fan Indoor fan Indoor fan breeze(10s) no longer than 10m xx=90 Model MOU-36HFN1-QRC4 : Condition of defrosting: T3 TempEnterDefrost_ADD and lasts for 40 minutes. Condition of ending defrosting: If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating mode. T3 >...
  • Page 132 Electrical Control Function 4-Way valve no longer than 10min Compressor TimeA 10S 30S Indoor fan Outdoor fan PMV running 8 mins with 300P 480P The other models: Condition of defrosting: Time conditions: time1 Time conditions(Meet the following conditions) 1.Running in heating mode 2.
  • Page 133 Electrical Control Function 2. Running in cooling mode. 3. Compressor is off for 1 hour. Condition of entry defrosting: time1+ time2 40 minutes, When defrosting is end,time1 and time2 are cleared. Condition of ending defrosting: If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating mode. The defrosting time achieves 10min;...
  • Page 134 Electrical Control Function 1.3.3.5 High evaporator coil temp.T2 protection: For 12K models TEstop Decrease TEdown Hold TEnorm Resume Off: Compressor stops. Decrease: Decrease the running frequency to the lower level. Hold: Keep the current frequency. Resume: No limitation for frequency. For other models:T2>60 , the compressor will stop and restart when T2≤54 .
  • Page 135 Electrical Control Function 1.3.5 Drying mode For 12K models: Indoor fan speed is fixed at breeze and can’t be changed. The louver angle is the same as in cooling mode. Low indoor room temperature protection In drying mode, if room temperature is lower than 10 , the compressor will stop and not resume until room temperature exceeds 12 .
  • Page 136 Electrical Control Function 1.3.9 Drain pump control (For Cassette) Adopt the water-level switch to control the action of drain pump. Main action under different condition :( every 5 seconds the system will check the water level one time) 1. When the A/C operates with cooling (including auto cooling) and forced cooling mode, the pump will start running immediately and continuously, till stop cooling.
  • Page 137 Electrical Control Function check function display. After 1.5s, it will display the content corresponding to No. N. the digital display tube will display the follow procedure when push SW1 each time. Display Remark Normal display Display running frequency, running state or malfunction code Actual data*HP*10 If capacity demand code is higher than 99, the digital display tube will show single digit and tens digit.
  • Page 138 Electrical Control Function General:1, Twins:2 Condenser pipe temp. of 1# indoor unit If the temp. is lower than 0 degree, the digital display tube will show “0”.If the temp. is higher than 70 degree, the digital Condenser pipe temp. of 2# indoor unit display tube will show “70”.
  • Page 139 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (Super slim cassette). 2.1.2 Icon explanation on indoor display board (A5 Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Timer indicator Infrared signal receiver Operation lamp Display digital tube...
  • Page 140 Troubleshooting 2.1.5 Icon explanation on indoor display board (Compact cassette). 2.1.6 Icon explanation on indoor display board (Console) 2.1.7 Display board of M floor- standing Electrical Control System...
  • Page 141 Troubleshooting 2.2 Indoor unit malfunction For Console Operation Lamp Malfunction Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Cross-zero signal error Indoor fan speed is out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Overcurrent protection (For some units)
  • Page 142 Troubleshooting For other type (18K-60K): Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed is out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm Communication error between master and slave unit (for twins system)
  • Page 143 Troubleshooting 2.3 Outdoor unit malfunction Display Malfunction or Protection Communication malfunction between indoor and outdoor units Overcurrent protection Ambient temperature sensor (T4) is malfunction Outdoor heat-exchanger temperature sensor (T3) is malfunction Discharge temperature sensor (T5) is malfunction Outdoor EEPROM is malfunction Outdoor fan speed has been out of control IPM module protection Voltage protection (too high or too low)
  • Page 144 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Open or short circuit of temperature sensor Check the connections Check the connections between temperature between temperature Correct the connections. Correct the connections. sensor and PCB. Are the sensor and PCB.
  • Page 145 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction Power off, then restart the unit 2 minutes later Replace the indoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. 2.4.1.4. Water-level alarm malfunction Power off, then restart the unit 2 minutes Power off f f , then restart the unit 2 minutes later.
  • Page 146 Troubleshooting 2.4.1.5. Indoor fan speed has been out of control. Power off, then restart the Power off, then restart the unit 2 minutes later. Is it still The unit operates normally. unit 2 minutes later. Is it still The unit operates normally. displaying the error code? displaying the error code? Find out the cause and...
  • Page 147 Troubleshooting 2.4.1.6. Refrigerant Leakage Detection Shut off the power supply and turn it on 2 minutes later. Is it still displaying the error code? Check if T2 sensor is well Is there cool air blowing fixed. Correct the installation out from indoor air outlet? or replace T2 sensor.
  • Page 148 Troubleshooting 2.4.2 For the super-slim cassette with up-down panel 2.4.2.1 Communication error between indoor unit and up-down panel F0 Displayed F0 Displayed Communication failure between Communication failure between indoor unit and up-down panel indoor unit and up-down panel Check the wire connection Check the wire connection between up-down panel and Correct the connection...
  • Page 149 Troubleshooting 2.4.3 For the unit with TWINS function (For the super-slim cassette & A5 duct) 2.4.3.1 Communication between master unit and indoor unit malfunction F3 Displayed F3 Displayed Communication failure between Communication failure between master unit and slave unit master unit and slave unit Correct the Check the dial switch settings of Correct the...
  • Page 150 Troubleshooting 2.4.4 For the outdoor unit 2.4.4.1. F4 malfunction E0 display E0 display Outdoor EEPROM malfunction Outdoor EEPROM malfunction Power off, then restart the unit 2 Power off f f , then restart the unit 2 minutes later minutes later Replace the outdoor main PCB eplace the outdoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and...
  • Page 151 Troubleshooting 2.4.4.2. E1 malfunction For current loop communication: Power off, then restart the unit 2 minutes later ower off f f , then restart the unit 2 minutes later Measure Vs, is it positive fluctuation? Measure Vs, is it positive fluctuation? (Vs is the voltage between S and N of (Vs is the voltage between S and N of outdoor unit.
  • Page 152 Troubleshooting For 485 communication E2 display E2 display Communication malfunction between indoor Communication malfunction between indoor and outdoor units and outdoor units Power off, then restart the unit 2 Power off f f , then restart the unit 2 minutes later minutes later Check whether there’s any Check whether there’s any...
  • Page 153 Troubleshooting 2.4.4.3. J4 malfunction E3 display Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light? Check the signal wire between the IPM board and the main board, is it connected good? Reconnect and retry.
  • Page 154 Troubleshooting 2.4.4.4. F1, F2, F3 malfunction Error E4 display E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the Check whether the wiring of the condenser temp.
  • Page 155 Troubleshooting 2.4.4.5. P6 malfunction E5 display E5 display Voltage protection of compressor Voltage protection of compressor Check whether the power Restart the unit when the power heck whether the power Restart the unit when the power voltage is normal. supply gets normal voltage is normal.
  • Page 156 Troubleshooting 2.4.4.6. F5 malfunction The same as E3 in indoor. 2.4.4.7. P2 malfunction P0 display P0 display Top temperature protection of Top temperature protection of compressor compressor Check the air flow system Clear up the air inlet and outlet or the heat Check the air flow system Clear up the air inlet and outlet or the heat of indoor and outdoor units...
  • Page 157 Troubleshooting 2.4.4.8. J5 malfunction P1 display P1 display High pressure protection High pressure protection Whether the wiring hether the wiring between the high pressure between the high pressure switch and main control switch and main control Connect it well Connect it well board is connected well or board is connected well or correctly...
  • Page 158 Troubleshooting 2.4.4.9. J6 malfunction P2 display P2 display Low pressure protection Low pressure protection Whether the wiring Whether the wiring between the low pressure between the low pressure protector and main control Connect it well protector and main control Connect it well board is connected well or board is connected well or correctly...
  • Page 159 Troubleshooting 2.4.4.10. F0 malfunction P3 display 3 display Current protection of compressor Current protection of compressor The protection occurred in The protection occurred in standby standby Check whether the power Restart the unit when the power Check whether the power Restart the unit when the power voltage is normal.
  • Page 160 Troubleshooting 2.4.4.11. J2 malfunction When compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when compressor discharge temperature is lower than 90°C. P4 display P4 display Temperature protection of Temperature protection of compressor discharge compressor discharge Check whether the Check whether the...
  • Page 161 Troubleshooting 2.4.4.12. J1 malfunction When condenser high temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. P5 display P5 display Check the connection Check the connection between temperature Correct the connection between temperature Correct the connection High temperature protection of...
  • Page 162 Troubleshooting 2.4.4.13. P0 malfunction At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: P6 display P6 display IPM module protection...
  • Page 163 Troubleshooting 2.4.4.14. J0 malfunction P7 display 7 display High temperature protection of High temperature protection of evaporator evaporator Check the connection Check the connection tion Whether compressor between T2 and PCB. Whether compressor between T2 and PCB. Correct the connection Correct the connection operates? operates?
  • Page 164 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table ( --K) K Ohm K Ohm K Ohm K Ohm 12.6431 2.35774 0.62973 115.266 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.2190 10.000 1.96532 0.54448 79.3110...
  • Page 165 Troubleshooting Appendix 2 Unit: ---K Discharge temp. sensor table 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7 54.89 11.38 3.203 384.3 52.53 10.99 3.113 363.3 50.28 10.61 3.025 343.6 48.14 10.25...
  • Page 166 Troubleshooting Appendix 3 Normal voltage of P and N 208-240V(1-phase,3-phase) 380-420V(3-phase) In standby 310VDC around 530VDC around In operation With passive PFC With partial active With fully active module PFC module PFC module >200VDC >310VDC >370VDC >450VDC Electrical Control System...
  • Page 167 Controller 3. Controller 3.1Wireless Remote Controller 3.1.1RG51Q1/BGE General Function for wireless remote controller: Model RG51Q1/BGE Rated voltage 3.0V(2pieces of LR03 7 batteries) Min voltage for sending signal of CPU 2.4V Effective receiving distance 8m~11m Operation condition -5~60 Electrical Control System...
  • Page 168 Controller Buttons and functions 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1 per 0.5s. 2. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1 per 0.5s. 3. MODE: Once pressing, running mode will be selected in the following sequence: AUTO COOL HEAT...
  • Page 169 Controller 3.1.2 RG51C/E Remote Controller Specifications Model RG51C/E Rated Voltage 3.0V(2pieces of LR03 7 batteries) Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it can get 11m) Environment Temperature Range Introduction of Function Buttons on the Remote Controller SE T TEMP ERATURE( C ) FA N AUT O...
  • Page 170 Controller controls into faceplate setting state and the LCD shows F2.Press the TEMPUP( ) to control the faceplate up and press the TEMP DOWN( ) to control the faceplate down. Press any button to exit the faceplate setting state, then the LCD back to the normal display. 7.
  • Page 171 Controller 3.1.3 R51M/(C)E Remote Controller Specifications Model R51M/(C)E Rated Voltage 3.0V Reaching Distance Environment Temperature Range Introduction of Function Buttons on the Remote Controller 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1 per 0.5s. 2.
  • Page 172 Controller AUTO HIGH 9. ON/OFF: For turning on or turning off the air conditioner 10. TIME ON: For time ON setting. Once pressing this button, the time will increase by 0.5 hour. When the set time exceeds 10 hours, pressing the button will increase the time by 1 hour. Adjusting the figure to 0.00 will cancel time ON setting.
  • Page 173 Controller 3.2 Wired Remote Controller 3.2.1 KJR-12B Name and functions of buttons on the wire controller Mode button: When press this button, the operation mode change as the following sequence: AUTO COOL HEAT Remark: For the cooling only model, the heating mode is skipped. Timer on button: Press this button, timer on function is active.
  • Page 174 Controller Adjust button: Set indoor temperature down. if press and hold on, it will decrease at 1degree per 0.5 Second. 10. Swing button: First press, start swing function; second press, stop swing. (Match to some model with swing function). 11. Economy operation button: press this button, the indoor unit operates in economy mode, press again, exit this mode (it may be ineffective for some models) 12.
  • Page 175 Controller And this may cause inconsistent displays on the wired controller and on the air conditioner. You need to readjust the running status through the wired controller. Installation Installation Notice: When the air conditioner needs the constant frequency wire controller, be sure adding a wire joint with 5 terminal named A, B, C, D, E in indoor unit, and fixing an infrared emitter whose anode and cathode connecting with A and B near the receiver in the indoor unit switch board, then connecting the terminal +5v, GND, Run in the switch board to C,D,E respectively.

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