Vivax ACP-12CT32AEI/I Service Manual
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Vivax ACP-12CT32AEI/I Service Manual

Vivax ACP-12CT32AEI/I Service Manual

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Summary of Contents for Vivax ACP-12CT32AEI/I

  • Page 1 Service manual ACP-12CT32AEI/I ACP-12CT32AEI/O RoHS...

  • Page 3: Table Of Contents

    Indoor units MCAC-UTSM-2008-04 Part 2 Indoor units Console Type 1. Features..............7 2. Specifications............. 8 3. Dimensions............... 12 4. Service Space............13 5. Wiring Diagrams............14 6. Air Velocity and Temperature Distributions .... 16 7. Capacity Tables ............17 8. Electric Characteristics..........21 9.

  • Page 4: Features

    MCAC-UTSM-2008-04 Features 1. Features 1. Consumes up to 30% less energy than non-inverter units ——DC inverter compressor ——indoor fan motor adopts DC motor 2. Achieves set temperature more quickly ——air supplying from top and bottom or from top only ——air inlet from four directions 3.

  • Page 5: Specifications

    Specifications MCAC-UTSM-2008-04 2. Specifications Model name ACP-12CT32AEI/I MFA-18HRDN1-Q Indoor Power supply 220~240V-1Ph-50Hz 220~240V-1Ph-50Hz Model Model name ACP-12CT32AEI/O MOU-18HRDN1-Q Outdoor Power supply 220~240V-1Ph-50Hz 220~240V-1Ph-50Hz Capacity 4.0-3.5-1.4 5.65-5.27-1.7 Input 1.4-1.1-0.35 2.4-1.6-0.55 Cooling Current 12-4.3-2.0 12.3-6.9-2.45 Capacity 4.75-4.0-1.4 6.2-5.86-1.45 Input 1.88-1.2-0.38 2.6-1.7-0.72 Heating Rated current 12-6.6-2.0...
  • Page 6 MCAC-UTSM-2008-04 Specifications Fin type (code) Hydrophilic aluminium Hydrophilic aluminum Tube outside dia.and Φ9.5 innergroove tube 9.5 Innergroove tube type Coil length x height x 637*558*44 748*660*44 width Number of circuits Outdoor air flow 2500/1600 2400/1680 Sound level（sound pressure） dB(A) 48/44 52/47 Dimension(WxDxH) 761×593×279...
  • Page 7 Specifications MCAC-UTSM-2008-04 ACP-12CT32AEI/I MFA-18HRDN1 Model name Indoor Power 220~240V-1P-50Hz 220~240V-1P-50Hz supply Model ACP-12CT32AEI/O MOU-18HRDN1 Model name Outdoor Power 220~240V-1P-50Hz 220~240V-1P-50Hz supply Capacity 4.1-3.5-1.4 5.7-5.27-1.7 Input 1.4-1.05-0.35 2.5-1.57-0.55 Cooling Current 12-4.3-2.0 12.3-6.7-2.45 3.35 Capacity 4.9-4.0-1.4 6.2-5.86-1.45 Input 1.88-1.17-0.38 2.6-1.67-0.72 Heating Rated current 12-6.6-2.0...
  • Page 8 MCAC-UTSM-2008-04 Specifications Fin type (code) Hydrophilic aluminium Hydrophilic aluminum Φ9.5 innergroove tube Φ9.5 Innergroove tube Tube outside dia.and type Coil length x height x width 637*558*44 748*660*44 Number of circuits Outdoor air flow 2500/1600 2400/1680 Sound level（sound pressure） dB(A) 48/44 52/47 Dimension(WxDxH) 761×593×279...

  • Page 9: Dimensions

    Dimensions MCAC-UTSM-2008-04 3. Dimensions ACP-12CT32AEI/I (-Q)/ MFA-18HRDN1(-Q) Indoor units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 10: Service Space

    MCAC-UTSM-2008-04 Service Space 4. Service Space Indoor units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 11: Wiring Diagrams

    Wiring Diagrams MCAC-UTSM-2008-04 5. Wiring Diagrams ACP-12CT32AEI/I -Q FUNCTIO N OF SWITCHES TO WIRE CONTROLLER SWITC H BOAR D SWI TCH BO ARD D ISPLAY BOARD WIRING DIAGRAM INDOOR UNIT CN1 5 CN10 C ODE PART NA ME T EMP.C OMPENSATION CN1 -2 0 P.C B OARD SOCKETS...
  • Page 12 MCAC-UTSM-2008-04 Wiring Diagrams ACP-12CT32AEI/I FUNCTION OF SWITC HES TO WIRE CONTROLLER SWITCH BOARD SWIT CH BOARD DISPLAY BOARD WIRING DIAGRAM INDOOR UNIT CN15 CN10 CODE PART NAME T EMP.C OMPEN SATIO N CN1-20 P .C BOARD S OCKETS SW102 TEM P.

  • Page 13: Air Velocity And Temperature Distributions

    Air Velocity and Temperature Distributions MCAC-UTSM-2008-04 6. Air Velocity and Temperature Distributions Discharge angle 60 Airflow velocity Temperature Indoor units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 14: Capacity Tables

    MCAC-UTSM-2008-04 Capacity Tables 7. Capacity Tables ACP-12CT32AEI/I-Q Cooling Indoor temperature(ｰC WB) Outdoor 14.00 16.00 18.00 19.00 20.00 22.00 24.00 temperature (°C DB) 10.00 2.42 0.37 2.86 0.46 3.30 0.55 3.50 0.59 3.70 0.64 3.78 0.64 3.86 0.65 12.00 2.42 0.37 2.86...
  • Page 15 Capacity Tables MCAC-UTSM-2008-04 MFA-18HRDN1-Q Cooling Indoor temperature(°C WB) Outdoor 14.00 16.00 18.00 19.00 20.00 22.00 24.00 temperature (°C DB) 10.00 3.65 0.53 4.31 0.67 4.97 0.80 5.27 0.86 5.57 0.93 5.69 0.93 5.82 0.94 12.00 3.65 0.54 4.31 0.68 4.97 0.81 5.27 0.88...
  • Page 16 MCAC-UTSM-2008-04 Capacity Tables ACP-12CT32AEI/I Cooling Indoor temperature(ｰC WB) Outdoor 14.00 16.00 18.00 19.00 20.00 22.00 24.00 temperature (°C DB) 10.00 2.42 0.35 2.86 0.44 3.30 0.52 3.50 0.57 3.70 0.61 3.78 0.61 3.86 0.62 12.00 2.42 0.36 2.86 0.44 3.30 0.53...
  • Page 17 Capacity Tables MCAC-UTSM-2008-04 MFA-18HRDN1 Cooling Indoor temperature(°C WB) Outdoor 14.00 16.00 18.00 19.00 20.00 22.00 24.00 temperature (°C DB) 10.00 3.65 0.52 4.31 0.65 4.97 0.78 5.27 0.85 5.57 0.91 5.69 0.92 5.82 0.93 12.00 3.65 0.53 4.31 0.66 4.97 0.80 5.27 0.86...

  • Page 18: Electric Characteristics

    MCAC-UTSM-2008-04 Electric Characteristics 8. Electric Characteristics Indoor Unit Power Supply Model Voltage ACP-12CT32AEI/I (-Q) 220~240V 198V 254V 0.02 0.018 MFA-18HRDN1(-Q) 220~240V 198V 254V 0.02 0.028 Remark: MFA: Max. Fuse Amps. (A) Fan Motor Rated Output (KW) FLA: Full Load Amps. (A)

  • Page 19: Sound Levels

    Sound Levels MCAC-UTSM-2008-04 9. Sound Levels Noise level dB(A) Model Highest Higher ACP-12CT32AEI/I-Q/ ACP-12CT32AEI/I MFA-18HRDN1-Q/ MFA-18HRDN1 Indoor units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 20: Exploded View

    MCAC-UTSM-2008-04 Exploded View 10. Exploded View 10.1 ACP-12CT32AEI/I / MFA-18HRDN1 No. Part name Quantity Part name Quantity Panel frame ass'y 14.1 Main controller ass'y Base ass'y 14.2 Wire joint Filter 14.3 Dial-up board ass'y 14.4 Display board ass'y Formaldehyde nemesis filter 14.5 Room temp sensor ass'y...
  • Page 21 Exploded View MCAC-UTSM-2008-04 10.2 ACP-12CT32AEI/I-Q / MFA-18HRDN1-Q Part name Quantity Part name Quantity Panel frame ass'y 14.2 Wire joint Base ass'y 14.3 Dial-up board ass'y Filter 14.4 Display board ass'y 14.5 Room temp sensor ass'y Formaldehyde nemesis filter Wire clamp...

  • Page 22: Accessories

    Remote controller Frame Remote controller & Its Frame Mounting screw(ST2.9×10-C-H) Alkaline dry batteries (AM4) Installation & Owner's manual Holding sponge Others Wrapping tape ACP-12CT32AEI/I / MFA-18HRDN1 Name Shape Quantity Installation fittings Hook Remote controller Frame Remote controller & Its Frame Mounting screw(ST2.9×10-C-H)

  • Page 23: Mcac-Utsm-2008-04 Part

    Outdoor Units MCAC-UTSM-2008-04 Part 3 Outdoor Units 1. Dimensions............... 27 2. Service Space............28 3. Piping Diagrams............29 4. Wiring Diagrams............30 5. Electric Characteristics..........32 6. Sound Levels............33 7. Exploded View............34 8. Operation Limits............38 9. Troubleshooting ............39 Outdoor Units PDF 文件使用...

  • Page 24: Dimensions

    MCAC-UTSM-2008-04 Dimensions 1. Dimensions Model ACP-12CT32AEI/O - (Q) MOU-18HDN1-（Q） Outdoor Units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 25: Service Space

    Service Space MCAC-UTSM-2008-04 2. Service Space Outdoor Units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 26: Piping Diagrams

    MCAC-UTSM-2008-04 Piping Diagrams 3. Piping Diagrams ACP-12CT32AEI/O (-Q) Capillary ass'y Condenser Evaporator 4-way valve Compressor Outdoor unit Indoor unit MOU-18HDN1 (-Q) Condenser Electronic expansion valve Condenser temp. sensor Filter Filter Capillary Evaporator Ambient temp. sensor High pressure switch 4-way valve Discharge temp.

  • Page 27: Wiring Diagrams

    Wiring Diagrams MCAC-UTSM-2008-04 4. Wiring Diagrams ACP-12CT32AEI/O-Q 20 20 751 90 04 4 BLACK BLA CK OLP TE MP.SE NSOR WHITE CN16 CN15 CN14 YELLOW BLUE BROWN OUTDOOR MAIN B LACK BLUE B ROWN CN34 TO INDOOR UNIT CN32 BLUE C OMPRESSOR CN31 CN33 CN2 8...
  • Page 28 MCAC-UTSM-2008-04 Wiring Diagrams ACP-12CT32AEI/O H EAT EX CHAN GE R SE NSOR 202037390218 O LP TE MP.SE NSOR AMBIE NT S ENSO R OPTIONAL:HEA TER CN16 CN15 CN14 HEA TER 2 DISCHAR GE SEN SOR YELLOW HEA TER 1 BLUE BROWN OUTDOOR MAIN...

  • Page 29: Electric Characteristics

    Electric Characteristics MCAC-UTSM-2008-04 5. Electric Characteristics Outdoor Unit Power Supply Compressor Model Voltage Min. Max. TOCA ACP-12CT32AEI/O -Q 220~240V 198V 254V 0.024 0.27 MOU-18HDN1-Q 220~240V 198V 254V 0.053 0.59 ACP-12CT32AEI/O 220~240V 198V 254V 0.024 0.27 MOU-18HDN1 220~240V 198V 254V 0.053 0.59 Remark: TOCA: Total Over-current Amps.

  • Page 30: Sound Levels

    MCAC-UTSM-2008-04 Sound Levels 6. Sound Levels Noise level dB(A) Model ACP-12CT32AEI/O (-Q) MOU-18HDN1(-Q) Outdoor Units PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 31: Exploded View

    Exploded View MCAC-UTSM-2008-04 7. Exploded View 7.1 ACP-12CT32AEI/O-Q No. Part name Quantity No. Part name Quantity Top cover Drainage pan E-part box ass'y Big handle 2.1 Main controller ass'y Discharge temp sensor ass'y 2.2 Compressor capacitor Condenser ass'y 2.3 Radiator 17.1 Condenser inlet pipe ass'y Grille 17.2 Condenser...
  • Page 32 MCAC-UTSM-2008-04 Exploded View 7.2 MOU-18HDN1-Q Part name Quantity Part name Quantity Top cover ass'y Compressor Rear net frame Rear right clapboard ass'y E-part box ass'y Drainage cover Inverter radiator Big handle Transformer Discharge temp sensor ass'y Transformer Condenser ass'y Main controller ass'y 18.1 Output pipe ass'y Inverter control Module 18.2 Input pipe ass'y...
  • Page 33 Exploded View MCAC-UTSM-2008-04 7.3 ACP-12CT32AEI/O Part name Quantity No. Part name Quantity Top cover Drainage pan E-part box ass'y Big handle Main controller ass'y Discharge temp sensor ass'y Compressor capacitor Condenser ass'y Radiator 17.1 Condenser inlet pipe ass'y Main controller ass'y 17.2 Condenser 2.4.1 Rectifier 17.3 Condenser outlet pipe...
  • Page 34 MCAC-UTSM-2008-04 Exploded View 7.4 MOU-18HDN1 Part Name Part Name Quantity Quantity Top cover ass'y Compressor Rear net frame Rear right clapboard ass'y E-part box ass'y Drainage pan Rectifier Big handle Transformer Discharge temp sensor ass'y Transformer Condenser ass'y Compressor capacitor 18.1 Output pipe ass'y EMC filter...

  • Page 35: Operation Limits

    Operation Limits MCAC-UTSM-2008-04 8. Operation Limits Cooling mode Heating mode Item Model Outdoor Indoor Outdoor Indoor ACP-12CT32AEI/O (-Q) 21 ~43 17 ~30 -5 ~24 17 ~30 °C °C °C °C °C °C °C °C Heating Cooling Indoor temperature(℃ DB) Indoor temperature(℃ WB) Cooling mode Heating mode Item...

  • Page 36: Troubleshooting

    MCAC-UTSM-2008-04 Troubleshooting 9. Troubleshooting 9.1 Indoor unit malfunction LED indication (ACP-12CT32AEI/I (-Q))  Running Timer Defrosting Malfunction lamp lamp lamp ☆ × × Room temperature sensor checking channel is abnormal × × ☆ Evaporator sensor checking channel is abnormal ×...
  • Page 37 Troubleshooting MCAC-UTSM-2008-04  ACP-12CT32AEI/I (-Q) 1. Running lamp flash at 5Hz Running lamp flash at 5Hz Judge: Room temp. sensor is abnormal Validate: Check whether the resistance of the Replace room temp. sensor temp. sensor is correct according to Annex 1 Replace indoor PCB 2.
  • Page 38 MCAC-UTSM-2008-04 Troubleshooting 3. Timer lamp flash at 5Hz Timer lamp flash at 5Hz Communication malfunction between indoor/outdoor units Turn on the indoor unit power Judge 1: Check whether the indoor unit power is on Judge 2: Check whether the signal wiring is shield cable or whether the shield cable is earthing Judge 3: Check whether the signal wiring between Connect the signal wiring correctly...
  • Page 39 Troubleshooting MCAC-UTSM-2008-04 4. Running and Timer lamp flash at 5Hz Running and Timer lamp flash at 5Hz EEPROM malfunction Judge 1: Check whether the EEPROM is inserted well Insert the EEPROM well Replace outdoor main board 5. Running lamp Timer lamp and Defrosting lamp flash at 5Hz: Running lamp Timer lamp and Defrosting lamp flash at 5Hz Judge 1: Condenser temperature sensor is malfunction Check whether the wiring of the Condenser temperature sensor...
  • Page 40 MCAC-UTSM-2008-04 Troubleshooting 6. Running and Timer lamp flash at 5Hz; Defrosting lamp on; Running and Timer lamp flash at 5Hz; Defrosting lamp on Outdoor unit voltage protection Check the voltage of outdoor unit power supply, whether the voltage between L1 and N is about 198-254V Check the power supply Replace the power board, then check whether the system can run normally...
  • Page 41 Troubleshooting MCAC-UTSM-2008-04 7. Running lamp flash at 5Hz and defrosting lamp on: Running lamp flash at 5Hz and Timer lamp on Compressor discharge temperature protection Check whether the compressor discharge temperature more than 115°C ? Check whether the wiring connection is right between compressor discharge temp.
  • Page 42 MCAC-UTSM-2008-04 Troubleshooting 8. Running lamp flash at 5Hz; Timer lamp and Defrosting lamp on: Running lamp flash at 5Hz; Timer lamp and Defrosting lamp on: Outdoor unit current protection Judge 1: Check whether the input current of the power supply wire is more than 16A Check whether the refrigerant system is ok Judge 2: Check whether the outdoor ambient temperature is too high...
  • Page 43 Troubleshooting MCAC-UTSM-2008-04 u MFA-18HRDN1 (-Q) 1. Running lamp flash at 5Hz Running lamp flash at 5Hz Judge: Room temp. sensor is abnormal Validate: Check whether the resistance of the Replace room temp. sensor temp. sensor is correct according to Annex 1 Replace indoor PCB Outdoor Units PDF 文件使用...
  • Page 44 MCAC-UTSM-2008-04 Troubleshooting 2. Timer lamp flash at 5Hz Timer lamp flash at 5Hz Communication malfunction between indoor/outdoor units Turn on the indoor unit power Judge 1: Check whether the indoor unit power is on Judge 2: Check whether the signal wiring is shield cable or Adopt the shield cable/ shield cable whether the shield cable is earthing earthing...
  • Page 45 Troubleshooting MCAC-UTSM-2008-04 9.2 Outdoor unit 18000Btu/h malfunctions: Display Malfunction or Protection EEPROM malfunction Communication malfunction between indoor/outdoor units Communication malfunction in outdoor PCB Outdoor temperature sensors malfunction Compressor voltage protection Compressor top temp. protection High pressure protection Low pressure protection Compressor current protection Compressor discharge temperature protection Condenser high temperature protection...
  • Page 46 MCAC-UTSM-2008-04 Troubleshooting 2. E2 malfunction LED indicates E2 Communication malfunction between indoor/outdoor units Turn on the indoor unit power Judge 1: Check whether the indoor unit power is on Judge 2: Check whether the signal wiring is shield cable Adopt the shield cable/ shield cable earthing or whether the shield cable is earthing Judge 3: Check whether the signal wiring between the Connect the signal wiring correctly...
  • Page 47 Troubleshooting MCAC-UTSM-2008-04 3. E3 malfunction LED indicates E3 Communication malfunction in outdoor PCB Check whether the indicator lights LED1 on the main board are flashing Replace the outdoor main board Insert the connecting wiring well Check whether the connecting wiring between the IPM module and over again the CN4 on the main board is break off Disconnect the connecting wiring between the IPM module and the...
  • Page 48 MCAC-UTSM-2008-04 Troubleshooting 4. E4 malfunction LED indicates E4 Judge 1: Outdoor ambient temp. sensor (T4) is malfunction Check whether the wiring of the outdoor ambient temperature Connect the wiring well sensor (T4) is break off Check whether the resistance of outdoor ambient temperature Replace outdoor ambient sensor (T4) is wrong refer to the Annex 1 temperature sensor (T4)
  • Page 49 Troubleshooting MCAC-UTSM-2008-04 6. P1 malfunction LED indicaptes P1 High pressure protection Judge 1: Whether the wiring between the high pressure switch Connect it well and main control board is connected well or correctly Judge 2: Whether the high pressure switch is broken Validate: Short connect the high pressure switch Replace high pressure switch socket, check whether the system can run normally...
  • Page 50 MCAC-UTSM-2008-04 Troubleshooting 7. P2 malfunction LED indicates P2 Low pressure protection Judge 1: The wiring between the low pressure switch and main control board is connected well or correctly Connect it well Judge 2: Whether the low pressure switch is broken Validate: Short connect the low pressure switch Replace low pressure switch socket, check whether the system can run normally...
  • Page 51 Troubleshooting MCAC-UTSM-2008-04 8. P3 malfunction LED indicates P3 Outdoor unit current protection Judge 1: Check whether the input current of the power supply wire is more than 16A Check whether the refrigerant system is ok Judge 2: Check whether the outdoor ambient temperature is too high Stop the unit Make the outdoor unit ventilate well Judge 3: Check whether the outdoor unit is bad ventilation...
  • Page 52 MCAC-UTSM-2008-04 Troubleshooting 9. P4 malfunction LED indicates P4 Compressor discharge temperature protection Check whether the compressor discharge temp. more than 115°C ? Check whether the wiring connection is right between compressor discharge temp. Correct the wiring connection sensor and PCB according to wiring diagrams Check whether the refrigerant is leakage Judge: The discharge temp.
  • Page 53 Troubleshooting MCAC-UTSM-2008-04 10. P5 malfunction LED indicates P5 Condenser high temperature protection Check whether the condenser temperature is more than 65°C Check whether the resistance of condenser Replace the temperature sensor temp. sensor is correct refer to the Annex 1 Replace outdoor main board ℃...
  • Page 54 MCAC-UTSM-2008-04 Troubleshooting 11. P6 malfunction LED indicates P6 IPM protection Regulate it to correct, then check whether the Check whether the voltage range of P-N on Check whether the input power supply system can work IPM module is normal? is correct? 220-240V, 1N, 50Hz normally? Check whether the connecting line Check whether the power...
  • Page 55 Troubleshooting MCAC-UTSM-2008-04 Annex 1 Temp Resistance（KΩ） Resist.tol % Temp.tol℃ （℃） Rmax R（t）Normal Rmin MAX(+) MIN(-) MAX(+) MIN(-) 116.539 106.732 96.920 9.19 9.19 1.59 1.59 110.231 100.552 91.451 9.63 9.05 1.57 1.57 103.743 94.769 86.328 9.47 8.91 1.56 1.55 97.673 89.353 81.525 9.31 8.76...
  • Page 56 MCAC-UTSM-2008-04 Troubleshooting Temp Resistance（KΩ） Resist.tol % Temp.tol℃ （℃） Rmax R（t）Normal Rmin MAX(+) MIN(-) MAX(+) MIN(-) 9.418 9.125 8.834 3.21 3.19 0.72 0.69 9.010 8.721 8.434 3.31 3.29 0.75 0.71 8.621 8.337 8.055 3.41 3.38 0.77 0.74 8.252 7.972 7.695 3.51 3.47 0.80 0.77...
  • Page 57 Troubleshooting MCAC-UTSM-2008-04 Temp Resistance（KΩ） Resist.tol % Temp.tol℃ （℃） Rmax R（t）Normal Rmin MAX(+) MIN(-) MAX(+) MIN(-) 1.463 1.367 1.275 7.00 6.77 2.01 1.97 1.414 1.321 1.230 7.06 6.83 2.04 2.00 1.367 1.276 1.188 7.12 6.88 2.06 2.02 1.321 1.233 1.147 7.17 6.94 2.09 2.05...
  • Page 58 MCAC-UTSM-2008-04 Troubleshooting Annex 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...

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