Vivax ACP-12CC35AECI Service Manual
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Vivax ACP-12CC35AECI Service Manual

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ACP-12CC35AECI
ACP-18CC50AECI
ACP-24CC70AECI
ACP-36CC105AECI
ACP-42CC120AECI
ACP-48CC140AECI
ACP-55CC160AECI
EN
Service manual

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Summary of Contents for Vivax ACP-12CC35AECI

  • Page 1 ACP-12CC35AECI ACP-18CC50AECI ACP-24CC70AECI ACP-36CC105AECI ACP-42CC120AECI ACP-48CC140AECI ACP-55CC160AECI Service manual...
  • Page 3 Contents Part 1 General Information ....................1 Part 2 Indoor Units ......................... 6 Part 3 Outdoor Units ......................73 Part 4 Installation ........................86 Part 5 Electrical Control System ..................118 ※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 ● ● Console Cooling and heating ● 1.2 Outdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units Rotary GMCC ACP-12CC35AECI ACP-12CC35AECI Rotary GMCC ACP-18CC50AECI ACP-18CC50AECI Rotary GMCC ACP-24CC70AECI ACP-24CC70AECI ACP-36CC105AECI Rotary Mitsubishi ACP-36CC105AECI...

  • 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: 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 9 Indoor Units Part 2 Indoor Units Super Slim Cassette Type ..........7   Duct Type ................. 22   Ceiling & Floor Type ............38   Four-way Cassette Type (Compact) ......53   Console Type ..............62   Indoor Units...
  • Page 10 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  ...

  • Page 11: Features

    Features 1. Features 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 ...
  • Page 12 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. Terminals for alarm lamp and long-distance on-off controller connection are standard ...
  • Page 13 Features Alarm lamp Long-distance on-off controller 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 14: Dimensions

    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-12CC35AECI ACP-18CC50AECI ACP-24CC70AECI ACP-36CC105AECI ACP-42CC120AECI ACP-48CC140AECI ACP-55CC160AECI Indoor Units...

  • Page 15: Service Space

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

  • Page 16: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-36CC105AECI, ACP-42CC120AECI, ACP-48CC140AECI, ACP-55CC160AECI Indoor Units...

  • Page 17: Air Velocity Distributions(Reference Data)

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

  • Page 20: Electric Characteristics

    Electric Characteristics Electric Characteristics Power Indoor Unit Supply Model Voltage ACP-24CC70AECI 220-240 ACP-36CC105AECI 220-240 ACP-42CC120AECI 220-240 ACP-48CC140AECI 220-240 ACP-55CC160AECI 220-240 Notes: MFA: Max. Fuse Amps. (A) Indoor Units...

  • Page 21: Sound Levels

    Sound Levels Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) ACP-36CC105AECI ACP-42CC120AECI ACP-48CC140AECI ACP-55CC160AECI Indoor Units...

  • Page 22: Accessories

    Accessories Accessories Name Shape Quantity Installation paper board Installation Fittings Soundproof / insulation sheath Tubing & Fittings 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 23: The Specification Of Power

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

  • Page 24: Field Wiring

    Field Wiring 10. Field Wiring Indoor Units...

  • Page 25: Duct Type

    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 ............ 33 7. Sound Levels ..............34 8. Accessories ............... 35 9.

  • Page 26: 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. ...
  • Page 27 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...
  • Page 28 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. ...

  • Page 29: Dimensions

    Dimensions Dimensions air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side Gas side 25 Drain pipe 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 30: 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 31: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams MTBU-12HWFN1-QRD0W MTB-18HWFN1-QRD0 Indoor Units...
  • Page 32 Wiring Diagrams MTB-24HWFN1-QRD0, MTB-30HWFN1-QRD0, MTB-36HWFN1-QRD0, MTB-42HWFN1-QRD0 MTB-48HWFN1-QRD0, MTB-55HWFN1-QRD0 Pre-setting Instructions Indoor Units...

  • Page 33: Static Pressure

    Static Pressure Static Pressure MTBU-12HWFN1-QRD0W MTB-18HWFN1-QRD0 Indoor Units...
  • Page 34 Static Pressure MTB-24HWFN1-QRD0 MTB-30HWFN1-QRD0 Indoor Units...
  • Page 35 Static Pressure MTB-36HWFN1-QRD0 MTB-42HWFN1-QRD0, MTB-48HWFN1-QRD0, MTB-55HWFN1-QRD0 Indoor Units...

  • Page 36: Electric Characteristics

    Electric Characteristics Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MTBU-12HWFN1-QRD0W 220-240 MTB-18HWFN1-QRD0 220-240 MTB-24HWFN1-QRD0 220-240 MTB-30HWFN1-QRD0 220-240 MTB-36HWFN1-QRD0 220-240 MTB-42HWFN1-QRD0 220-240 MTB-48HWFN1-QRD0 220-240 MTB-55HWFN1-QRD0 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) MTBU-12HWFN1-QRD0W MTB-18HWFN1-QRD0 MTB-24HWFN1-QRD0 MTB-30HWFN1-QRD0 MTB-36HWFN1-QRD0 MTB-42HWFN1-QRD0 MTB-48HWFN1-QRD0 MTB-55HWFN1-QRD0 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 Wired controller & Its Frame 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 18000-24000Bt Model 12000 Btu/h 30000 Btu/h 36000 Btu/h 36000 Btu/h Phase 1-phase 1-phase 1-phase 1-phase Frequency and 220-240V, 220-240V, 220-240V, 220-240V, Voltage 50Hz 50Hz 50Hz 50Hz INDOOR POWER UNIT 3×1.0 3×1.0 3×1.0 3×1.0 WIRING (mm POWER...

  • Page 40: Field Wiring

    Field Wiring Field Wiring MTBU-12HWFN1-QRD0W MTB-18HWFN1-QRD0, MTB-24HWFN1-QRD0, MTB-30HWDN1-QRD0, MTB-36HWFN1-QRD0 MTB-42HWFN1-QRD0, MTB-48HWFN1-QRD0, MTB-55HWFN1-QRD0 Indoor Units...

  • Page 41: Ceiling & Floor Type

    Ceiling & Floor Type 1. Features ............... 39   2. Dimensions ..............40   3. Service Space .............. 41   4. Wiring Diagrams ............42   5. Electric Characteristics ..........44   6. Sound Levels ............... 44   Velocity Temperature Distributions (Reference Data) ..............

  • 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) MUE-18HRFN1-QRD0 1068 MUE-24HRFN1-QRD0 MUE-30HRFN1-QRD0 1285 1200 MUE-36HRFN1-QRD0 MUE-42HRFN1-QRD0 1650 1565 MUE-48HRFN1-QRD0 MUE-55HRFN1-QRD0 Indoor Units...

  • Page 44: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 45: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams MUE-18HRFN1-QRD0, MUE-24HRFN1-QRD0, MUE-30HRFN1-QRD0, MUE-36HRFN1-QRD0 MUE-42HRFN1-QRD0, MUE-48HRFN1-QRD0, MUE-55HRFN1-QRD0 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. MUE-18HRFN1-QRD0 220-240 MUE-24HRFN1-QRD0 220-240 MUE-30HRFN1-QRD0 220-240 MUE-36HRFN1-QRD0 220-240 MUE-42HRFN1-QRD0 220-240 MUE-48HRFN1-QRD0 220-240 MUE-55HRFN1-QRD0 220-240 Note: MFA: Max. Fuse Amps. (A) 6. Sound Levels Microphone 1.5m 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: MUE-18HRFN1-QRD0, MUE-24HRFN1-QRD0 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: MUE-30HRFN1-QRD0, MUE-36HRFN1-QRD0 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: MUE-42HRFN1-QRD0, MUE-48HRFN1-QRD0, MUE-55HRFN1-QRD0 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 6.

  • Page 55: Field Wiring

    Field Wiring Indoor Units...

  • Page 56: Four-Way Cassette Type (Compact)

    Four-way Cassette Type (Compact) Four-way Cassette Type (Compact) 1. Features ............... 54 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. ...

  • Page 58: Dimensions

    Dimensions 2. Dimensions ACP-12CC35AECI , ACP-18CC50AECI 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...

  • Page 59: Service Space

    Service Space 3. Service Space Indoor Units...

  • Page 60: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams ACP-12CC35AECI ACP-18CC50AECI Indoor Units...

  • Page 61: 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 62: Electric Characteristics

    Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. ACP-12CC35AECI 220-240 ACP-18CC50AECI 220-240 Note: MFA: Max. Fuse Amps. (A) 7. Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) ACP-12CC35AECI ACP-18CC50AECI Indoor Units...

  • Page 63: Accessories

    8. Accessories Name Shape Quantity Installation paper board Installation Fittings Soundproof / insulation sheath Tubing & Fittings 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 64: Field Wiring

    Field Wiring 10. Field Wiring ACP-12CC35AECI ACP-18CC50AECI Indoor Units...

  • Page 65: Console Type

    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 66: 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 67 Console Type order 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.

  • Page 68: Dimensions

    Dimensions 2. Dimensions Hanging arm 16 Drain pipe Unit: mm Console Type...

  • Page 69: Service Space

    Service Space 3. Service Space Console Type...

  • Page 70: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams MFAU-12HRFN1-QRD0W Console Type...

  • Page 71: Air Velocity And Temperature Distributions

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

  • Page 72: Electric Characteristics

    Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. MFAU-12HRFN1-QRD0W 220-240 Console Type...

  • Page 73: Sound Levels

    Sound Levels 7. Sound Levels Microphone 1.5m Noise level dB(A) Noise Power Model dB(A) Higher MFAU-12HRFN1-QRD0W Console Type...

  • Page 74: Accessories

    Accessories 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 Voltage 220-240V, 50Hz Circuit Breaker/ Fuse (A) 20/16...

  • Page 75: Field Wiring

    Field Wiring 10. Field Wiring MFAU-12HRFN1-QRD0W Console Type...

  • Page 76: Part 3 Outdoor Units

    Outdoor Units Part 3 Outdoor Units 1. Dimensions……………………………………………………………………….74 2. Service Space…………………………………………………………………….76 3. Piping Diagrams…………………………………………………………………77 4. Wiring Diagrams…………………………………………………………………78 5. Electric Characteristics………………………………………………………...83 6. Operation Limits…………………………………………………………………84 7. Sound Levels……………………………………………………………………..85 Outdoor Units...

  • Page 77: Dimensions

    Dimensions 1. Dimensions Unit：mm Model MOZU-12HFN1-QRD0W MOZU-18HFN1-QRD0 MOFU-24HFN1-QRD0 MOYU-30HFN1-QRD0 MOYU-36HFN1-QRD0 MOYU-36HFN1-RRD0 MOYU-42HFN1-RRD0 Outdoor Units...
  • Page 78 Dimensions Unit：mm Model MOEU-48HFN1-QRD0 1369 1369 MOEU‐48HFN1‐R  1369 MOEU‐55HFN1‐RRD0RD0  Outdoor Units...

  • Page 79: 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 80: Piping Diagrams

    Piping Diagrams 3. Piping Diagrams MOZU-12HFN1-QRD0W MOZU-18HFN1-QRD0 MOFU-24HFN1-QRD0 MOYU-30HFN1-QRD0 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 81: Wiring Diagrams

    Wiring Diagrams 4. Wiring Diagrams MOZU-12HFN1-QRD0W MOZU-18HFN1-QRD0 Outdoor Units...
  • Page 82 Wiring Diagrams MOFU-24HFN1-QRD0 MOYU-30HFN1-QRD0 Outdoor Units...
  • Page 83 Wiring Diagrams MOYU-36HFN1-QRD0 Outdoor Units...
  • Page 84 Wiring Diagrams MOYU-36HFN1-RRD0, MOYU-42HFN1-RRD0 Outdoor Units...
  • Page 85 Wiring Diagrams MOEU-48HFN1-QRD0 MOEU-48HFN1-R, MOEU-55HFN1-RRD0RD0 Outdoor Units...

  • Page 86: Electric Characteristics

    Electric Characteristics 5. Electric Characteristics Outdoor Unit Model Voltage Min. Max. MOZU-12HFN1-QRD0W 220-240V 198V 254V MOZU-18HFN1-QRD0 220-240V 198V 254V MOFU-24HFN1-QRD0 220-240V 198V 254V MOYU-30HFN1-QRD0 220-240V 198V 254V 380-415V 342V 440V MOYU‐36HFN1‐QRD0  380-415V 342V 440V MOYU‐36HFN1‐RRD0  380-415V 342V 440V MOYU‐42HFN1‐RRD0  220-240V 198V 254V MOEU‐48HFN1‐QRD0 ...

  • Page 87: Operation Limits

    Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature 17℃～32℃ 0℃～30℃ 17℃～32℃ 0℃～50℃ （-15℃～50℃：For Outdoor temperature -15℃～24℃ 0℃～50℃ 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 88: 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) MOZU-12HFN1-QRD0W MOZU-18HFN1-QRD0 MOFU-24HFN1-QRD0 MOYU-30HFN1-QRD0 MOYU‐36HFN1‐QRD0  MOYU‐36HFN1‐RRD0  MOYU‐42HFN1‐RRD0  MOEU‐48HFN1‐QRD0  MOEU‐48HFN1‐R  MOEU‐55HFN1‐RRD0RD0  Outdoor Units...

  • Page 89: Part 4 Installation

    Installation Part 4 Installation 1. Installation Procedure ............. 87 2. Location selection ............88 3. Indoor unit installation ............ 89 4. Outdoor unit installation (Side Discharge Unit) ..104 5. Refrigerant pipe installation ......... 105 6. Drainage pipe installation ..........109 7.

  • Page 90: 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 91: 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. ...

  • Page 92: 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-18CC50AECI >235 ACP-24CC70AECI >275 ACP-36CC105AECI ACP-42CC120AECI 3.1.2 Bolt pitch Installation...
  • Page 93 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 94 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 95 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
  • Page 96 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 97 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) MTBU-12HWFN1-QRD0W MTB-18HWFN1-QRD0 MTB-24HWFN1-QRD0 MTB-30HWFN1-QRD0 1240 MTB-36HWFN1-QRD0 MTB-42HWFN1-QRD0 1240 MTB-48HWFN1-QRD0 MTB-55HWFN1-QRD0 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture.
  • Page 98 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 ±1°.
  • Page 99 Indoor unit installation 3.2.7 Change the air inlet direction ① Take off ventilation panel and flange, cut off the staples at side rail. ② 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 100 Indoor unit installation 3.3 Ceiling & floor indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch ① Ceiling installation Capacity (Btu/h) MUE-18HRFN1-QRD0 MUE-24HRFN1-QRD0 MUE-30HRFN1-QRD0 1200 MUE-36HRFN1-QRD0 MUE-42HRFN1-QRD0 1565 MUE-48HRFN1-QRD0 MUE-55HRFN1-QRD0 ② Wall-mounted installation Installation...
  • Page 101 Indoor unit installation 3.3.3 Install the pendant bolt ① Ceiling 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).
  • Page 102 Indoor unit installation Put the side panels and grilles back. ② 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 103 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 104 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 105 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 106 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 107: 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 108: 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 109 Refrigerant pipe installation Flare dimension A (mm) Pipe diameter Flare shape 90 ° 4 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 110 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 111 Refrigerant pipe installation Installation...

  • Page 112: 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 ...
  • Page 113 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. 6.2.4 Supporter gap of drainage pipe ...
  • Page 114 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 ...
  • Page 115 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 116: 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. ...

  • Page 117: 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.

  • Page 118: 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 ...

  • Page 119: 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. ...

  • Page 120: 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.

  • Page 121: Part 5 Electrical Control System

    Electrical Control System Part 5 Electrical Control System Electrical Control Function ........119     Troubleshooting ............134     Controller ..............162     Electrical Control System...
  • Page 122 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 123 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 124 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 DC_FAN_HI_SPD_ADD 28℃...
  • Page 125 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...
  • Page 126 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 127 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 (H+-L)*0.4+L...
  • Page 128 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 129 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.
  • Page 130 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: Time1 3℃ Time2 Time conditions: time1 Time conditions(Meet the following conditions) 1.Running in heating mode 2.
  • Page 131 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.
  • Page 132 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 133 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 134 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 135 Electrical Control Function get into the 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 136 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 137 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 138 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 139 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 140 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 141 Troubleshooting 2.3 Outdoor unit malfunction Display Malfunction or Protection Outdoor EEPROM malfunction Communication malfunction between indoor and outdoor units. Communication malfunction between IPM board and outdoor main board Open or short circuit of outdoor temperature sensor Voltage protection of compressor Outdoor fan speed has been out of control Top temperature protection of compressor High pressure protection (For 36k models)
  • Page 142 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  between temperature  Correct the connections. sensor and PCB. Are the  connections good? Measure the resistance value  of the sensor via Appendix 1 Is it normal? Replace the sensor. Replace the indoor PCB  2.4.1.2. Outdoor unit malfunction Electrical Control System...
  • Page 143 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction 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 Electrical Control System...
  • Page 144 Troubleshooting 2.4.1.5. Indoor fan speed has been out of control. Index 1: 1. Indoor DC fan motor(control chip is inside fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector.
  • Page 145 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 or replace T2 sensor. Does out from indoor air outlet? the problem remain again? Is there any leakage? Especially...
  • Page 146 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 2.4.2.2 Up-down panel is defective Electrical Control System...
  • Page 147 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 2.4.3.2 Other malfunction between master unit and indoor unit One indoor unit displays ”F4”, which means another indoor unit is faulty. Check another indoor unit’s error code and then follow the appropriate solutions to solve the malfunction.
  • Page 148 Troubleshooting 2.4.4 For the outdoor unit 2.4.4.1. E0 malfunction E0 display Outdoor EEPROM malfunction Power off, then restart the unit 2 minutes later Replace the outdoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. Electrical Control System...
  • Page 149 Troubleshooting 2.4.4.2. E2 malfunction For current loop communication: Electrical Control System...
  • Page 150 Troubleshooting For 485 communication E2 display Communication malfunction between indoor and outdoor units Power off, then restart the unit 2 minutes later Check whether there’s any interference. Remove interference or Such as too many lamps, power add magnet ring on power transformers? Or the signal wire wire is too long?
  • Page 151 Troubleshooting 2.4.4.3. E3 malfunction Electrical Control System...
  • Page 152 Troubleshooting 2.4.4.4. E4 malfunction E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the  condenser temp. sensor(T3) is  Connect the wiring well broken off Check whether the resistance of  condenser temp. sensorT3) is wrong  Replace condenser temp. sensor(T3) refer to the Appendix 1 Judge 2: Outdoor ambient temp. sensor (T4) is malfunction Check whether the wiring of the  outdoor ambient temperature  Connect the wiring well sensor (T4) is broken off Check whether the resistance of  outdoor ambient temperature  Replace outdoor ambient  sensor (T4) is wrong refer to the  temperature sensor (T4) Appendix 1 Judge 3: Compressor discharge temp. sensor (T5) is malfunction Check whether the wiring of the  compressor discharge temperature  Connect the wiring well sensor (T5) is broken off Check whether the resistance of  Replace compressor discharge  compressor discharge temp. sensor  temperature sensor (T5) (T5) is wrong refer to the Appendix 2 Replace outdoor main PCB...
  • Page 153 Troubleshooting 2.4.4.5. E5 malfunction E5 display Voltage protection of compressor Check whether the power Restart the unit when the power voltage is normal. supply gets normal Check the wiring of Measure whether outdoor power wires well or Reconnect it well terminal voltage is normal？...
  • Page 154 Troubleshooting 2.4.4.6. E8 malfunction The same as E8 in indoor. 2.4.4.7. P0 malfunction Electrical Control System...
  • Page 155 Troubleshooting 2.4.4.8. P1 malfunction (For 36k models) Electrical Control System...
  • Page 156 Troubleshooting 2.4.4.9. P2 malfunction (For 36k models) P2 display Low pressure protection Whether the wiring between the low pressure protector and main control Connect it well board is connected well or correctly Whether the low pressure protector is broken Method: Disconnect the plug. Measure the resistance of the low pressure protector.
  • Page 157 Troubleshooting 2.4.4.10. P3 malfunction P3 display Current protection of compressor The protection occurred in standby Check whether the power Restart the unit when the power voltage is normal. supply gets normal Check the wiring of Measure whether outdoor power wires well or Reconnect it well terminal voltage is normal？...
  • Page 158 Troubleshooting 2.4.4.11. P4 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 Temperature protection of  compressor discharge Check whether the  Check whether the  compressor discharge temp. is  Stop leaking and add refrigerant refrigerant is leak more than 115°C ? Check whether connection is right between compressor discharge temp.
  • Page 159 Troubleshooting 2.4.4.12. P5 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 Check the connection  between temperature  Correct the connection High temperature protection of  sensor and PCB. condenser Check whether the condenser temperature is Check whether the Higher than 65°C resistance of condenser...
  • Page 160 Troubleshooting 2.4.4.13. P6 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 IPM module protection Check whether the power voltage...
  • Page 161 Troubleshooting 2.4.4.14. P7 malfunction Electrical Control System...
  • Page 162 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...
  • Page 163 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 164 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 165 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 166 Controller Buttons and functions : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 1. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1℃ per 0.5s. 2. Adjust 3. MODE: Once pressing, running mode will be selected in the following sequence: AUTO COOL HEAT...
  • Page 167 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 -5℃～60℃ Introduction of Function Buttons on the Remote Controller SET TEM PERATURE( C) AU TO COOL...
  • Page 168 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 169 Controller 3.1.3 R51M/(C)E Remote Controller Specifications Model R51M/(C)E Rated Voltage 3.0V Reaching Distance Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 1.
  • Page 170 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 171 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 172 Controller Adjust button: Set indoor temperature up. If press and hold on, it will increase at 1degree per 0.5 second. 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).
  • Page 173 Controller The wired controller will reset to factory setting with auto mode, auto fan and 24℃ setting temperature when the air conditioner restarts after power failure. 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.
  • Page 174 www.VIVAX.com...

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