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ACIQ -09PTC-INV Service Manual

R32 ptac air conditioner
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R32 PTAC AIR CONDITIONER
SERVICE MANUAL
Models Covered:
ACiQ-09PTC-INV
ACiQ-12PTC-INV
ACiQ-15PTC-INV
VERSION DATE: 12-16-24

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Summary of Contents for ACIQ ACiQ-09PTC-INV

  • Page 1 R32 PTAC AIR CONDITIONER SERVICE MANUAL Models Covered: ACiQ-09PTC-INV ACiQ-12PTC-INV ACiQ-15PTC-INV VERSION DATE: 12-16-24...

  • Page 2: Table Of Contents

    Table of Contents Service Manual Part I : Technical Information ........1 1. Summary ................. 1 2. Specifications ............... 2 3. Outline Dimension Diagram ........8 4. Refrigerant System Diagram ......... 9 5. Electrical Part ............. 10 5.1 Wiring Diagram .......................10 5.2 PCB Printed Diagram ....................

  • Page 3: Part I : Technical Information

    1. Summary Service Manual Models: B5 panel (Beige) Model list: Model Product Code ACiQ-09PTC-INV CC060063700 ACiQ-12PTC-INV CC060063600 ACiQ-15PTC-INV CC060063500 Technical Information...

  • Page 4: Specifications

    2. Specifications Service Manual ACiQ-09PTC-INV Model Product Code CC060063700 Rated Voltage 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 9800/9800 Heating Capacity Btu/h 9400/9400 Cooling Power Input 740/740 Heating Power Input 700/700 Cooling Power Current 4.7/4.7 Heating Power Current 4.1/4.1...
  • Page 5 Service Manual Electric Heater Power Input 2870/3500 Electric Heater Power Current 14/15.4 Fan Type Cross-flow Diameter Length (DXL) Φ121×706 Cooling Speed r/min 1010/890/810 Heating Speed r/min 1010/890/810, Electric Heating: 1150/1050/950 Fan Motor Power Output Fan Motor RLA 0.22 Fan Motor Capacitor μF Indoor Evaporator Form...
  • Page 6 Service Manual Model ACiQ-12PTC-INV Product Code CC060063600 Rated Voltage 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 12000/12000 Heating Capacity Btu/h 11800/11800 Cooling Power Input 970/970 Heating Power Input 940/940 Cooling Power Current 5.5/5.5 Heating Power Current 5.0/5.0 Rated Input...
  • Page 7 Service Manual Electric Heater Power Input 2870/3500 Electric Heater Power Current 14/15.4 Fan Type Cross-flow Diameter Length (DXL) Φ121×706 Cooling Speed r/min 1080/960/880 Heating Speed r/min 1080/960/880, Electric Heating: 1150/1050/950 Fan Motor Power Output Fan Motor RLA 0.22 Fan Motor Capacitor μF Indoor Evaporator Form...
  • Page 8 Service Manual Model ACiQ-15PTC-INV Product Code CC060063500 Rated Voltage 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 15000/15000 Heating Capacity Btu/h 13500/13500 Cooling Power Input 1400/1400 Heating Power Input 1160/1160 Cooling Power Current 7.5/7.5 Heating Power Current 6.0/6.0 Rated Input...
  • Page 9 Service Manual Electric Heater Power Input 2870/3500 Electric Heater Power Current 14/15.4 Fan Type Cross-flow Diameter Length (DXL) Φ121×706 Cooling Speed r/min 1180/1060/920 Heating Speed r/min 1180/1060/920, Electric Heating: 1150/1050/950 Fan Motor Power Output Fan Motor RLA 0.22 Fan Motor Capacitor μF Indoor Evaporator Form...

  • Page 10: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual 42 3/32 Unit: inch (NOTE: Take one of appearance for example.) Technical Information...

  • Page 11: Refrigerant System Diagram

    4. Refrigerant System Diagram Service Manual Cooling + Heat Pump + Auxiliary Electric Heater CENTRIFUGAL AXIAL FAN OR CROSS FAN COOLED AIR HOT DISCHARGED AIR HOT AIR COOLED AIR COMPRESSOR INDOOR COILS OUTDOOR COILS ELECTRIC HEATER CAPILLARY NOTES: COOLING MODE REFRIGERANT FLOW DIRECTION HEATING MODE Technical Information...

  • Page 12: Electrical Part

    Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Electric Diagram ACiQ-09PTC-INV, ACiQ-12PTC-INV, ACiQ-15PTC-INV POWER Circuit diagram: OVERLOAD PROTECTOR L1(L) SAT1 L2(N) OUTDOOR GN(YEGN) COMP COMP.

  • Page 13: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram 5.2.1 Silk screen on main board 1 10 11 15 1413 Name Name Outdoor Fan Needle Stand 10 Compressor Electric Heating Belt Needle Stand (Reserved) Indoor Fan Needle Stand 11 Four-way Valve Needle Stand Electronic Expansion Valve Needle Stand (Reserved) 12 Two-way Valve Needle Stand Temperature Sensor Needle Stand...
  • Page 14 Service Manual 5.2.2 Silk screen on main board 2 Name Name Earthing Wire Insertion Input of Live Wire Insertion Output transformer Needle Stand Input of Neutral Wire Insertion External Relay Needle Stand (Reserved) Output of Neutral Wire Insertion Weak Current Main Board Needle Stand Output of Live Wire Insertion Input transformer Needle Stand Technical Information...
  • Page 15 Service Manual 5.2.3 Silk screen on main board 3 Name Name Detecting Needle Stand (Reserved) Display Board Needle Stand Temperature Sensor Needle Stand Outdoor Main Board Needle Stand Wired Controller Needle Stand (Reserved) Rejector Board Insertion Swing Motor Needle Stand (Reserved) 10 Rejector Board Insertion Wi-Fi Needle Stand (Reserved) 11 Temperature Controller Wiring Terminal...
  • Page 16 Service Manual 5.2.4 Silk screen on display board Name Name LED Display Area 12 MODE Button Indoor luminous Diode 13 "▼" (Down) Button Setpoint luminous Diode 14 "▲" (Up) Button DRY Mode luminous Diode 15 FAN SPEED Button TIMER luminous Diode 16 AUTO Speed luminous Diode COOL Mode luminous Diode 17 Display Board Needle Stand 3...

  • Page 17: Function And Control

    6. Function and Control Service Manual 6.1 Introduction of Control Pane 1. Summary Timer icon will be on. Dual 8 nixie tube will display selected time which can be adjusted by pressing " + " or " - " buttons. The range When the unit is turned on, power indicator is displayed in green.

  • Page 18: Function Introduction

    Service Manual 6.2 Function Introduction 1.Heat pump heating: (1)When the compressor is at off status and T indoor amb. indoor amb. ≤T , turn on the unit for heating and the compressor 1. Basic function of system compensation preset will operate under heat pump heating mode. Under each mode, once the compressor starts operation, it can (2)During heating operation, if T ＜...
  • Page 19 Service Manual pure electric heating mode; low temperature protection will be a. In the status without timer, it will enter timer setting by pressing started up. this button. Exit condition: when indoor ambient temperature is increase more b. In the status with timer, it can show the residual time by than 50°F(10°C), low temperature protection will be stopped;...
  • Page 20 Service Manual Error Name Error code Indicator display If the display value of dual 8 exceeds the set point temperature Outdoor air discharge limit, the display range is also 61~86°F(16-30°C); The actual temperature is open/short- circuited working temperature range for the controller is the range of set 22 4-way valve is abnormal point temperature limit.
  • Page 21 Service Manual The temperature offset is default 0 in dry mode, cooling and 3. Timer change: heating mode. They can allocate different offset in dry mode, Although timer has been set, the unit still can be turned on/off by cooling and heating mode respectively. The offset can't be pressing ON/OFF button on the remote controller.
  • Page 22 Service Manual Effective judgment function of the outdoor exhaust temperature compressor is switched on. (2) Dehumidifying mode thermo-bulb When conditions a and b are satisfied, the outdoor exhaust temperature thermo-bulb is judged not to be connected Same as the cooling mode. into place, the mainboard of outer units will display failure of the (3) Air-supplying mode outdoor exhaust temperature thermo-bulb (not connected into...
  • Page 23 Service Manual ], the complete unit is allowed to be turned on. After the compressor stopped working for 180s, if T inner pipe T temp. of freeze prevention Otherwise, the unit is not allowed to be turned on and it stops heating overload frequency-limited temperature (the temperature operation according to freeze prevention protection.
  • Page 24 Service Manual should adjust the compressor frequency by reducing 8Hz/90s till is turned on. Once this signal has been detected, the unit stops the lower limit; operation at once. Only when module protection is resumed and 4. Reducing frequency at high speed: the compressor has stopped for 3min, the complete unit is allowed If [T ] ≤T...
  • Page 25 Service Manual 7.11 Phase current overcurrent protection of compressor protection, the compressor stops operation and PFC is turned off. During the running process of compressor, you could measure the Once the compressor has stopped for 3min, the error code will be phase current of the compressor, and control it according to the eliminated.
  • Page 26 Service Manual 5. Temperature sensor protection treatment: operation process, the fan stops operation. The counter counts (1) It indicates the detected temperature for the temperature for once. 5s later, if the command for turning on the fan still exists, sensor is too high (or infinite). Display the corresponding it controls the operation of fan again.

  • Page 27: Notes For Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions:Important! 12. Replace the fuse with a new one of the same specifica- tion if it is burnt down; don’t replace it with a cooper wire or conducting wire. 13. If the unit is to be installed in a humid place, the circuit Please read the safety precautions carefully before installa- breaker must be installed.
  • Page 28 Service Manual Safety Precautions for Refrigerant Safety Operation of Flammable Refrigerant ● To realize the function of the air conditioner unit, a special Aptitude requirement for maintenance man(repairs refrigerant circulates in the system. The used refrigerant is should be done only be specialists). the fluoride R32, which is specially cleaned.
  • Page 29 Service Manual dry powder or CO fire extinguisher adjacent to the charging until it is satisfactorily dealt with. If the fault cannot be area. corrected immediately but it is necessary to continue ● No ignition sources operation, an adequate temporary solution shall be used. No person carrying out work in relation to a REFRIGERATING This shall be reported to the owner of the equipment so all SYSTEM which involves exposing any pipe work shall use...
  • Page 30 Service Manual excessive pressure, vibration, sharp edges or any other REFRIGERANTS, the system shall be purged with oxygen- adverse environmental effects. The check shall also take free nitrogen to render the appliance safe for FLAMMABLE into account the effects of aging or continual vibration from REFRIGERANTS.
  • Page 31 Service Manual c) Before attempting the procedure, ensure that: hand and shall be suitable for the recovery of all appropriate • mechanical handling equipment is available, if required, for refrigerants including, when applicable, FLAMMABLE handling refrigerant cylinders; REFRIGERANTS. In addition, a set of calibrated weighing •...

  • Page 32: Installation

    8. Installation Service Manual Main Tools for Installation and Maintenance Inner hexagon Screw driver Open-end wrench Electroprobe spanner Electronic Vacuum pump Pressure meter Universal meter leakage detector Soldering appliance Refrigerant container Installation and Maintenance...
  • Page 33 This application has become more common due to pre- manufactured windows with built-in grilles or renovations where a ACiQ or Carrier sleeve is used with an existing non-GE grille. Use Outdoor orifice of a ACiQ or Carrier wall sleeve with a non-GE grille requires...
  • Page 34 Service Manual INSTALL UNIT INTO WALL SLEEVE 6.Reinstall front panel. CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation. Failure to remove shipping tape and screw will prevent fresh air vent door from opening and may result in damage to vent door cable Place tabs over top rail(1).

  • Page 35: Maintenance

    9. Maintenance Service Manual 9.1 Error Code Display method of indoor unit Indicator display Malfunction name AC status Possible causes Error Status Heat code indicator Cool, fan and dry: compressor and 1. The connection wire of indoor and outdoor unit is poor; Communication error outdoor unit stops operation, while 2.
  • Page 36 Service Manual Display method of indoor unit Indicator display Malfunction name AC status Possible causes Error Status Heat code indicator 1. Outdoor condenser, air inlet and air outlet are blocked by Malfunction of outdoor Cool/Dry: all loads stops operation filth or dirt; fan/malfunction of DC except indoor fan.
  • Page 37 Service Manual Display method of indoor unit Indicator display Malfunction name AC status Possible causes Error Status Heat code indicator Cool: compressor and outdoor fan stop operation; Heat: compressor 1. The main board of outdoor unit is damaged; Lost phase and outdoor fan stop operation at 2.

  • Page 38: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting 1. Communication malfunction 1.1 Communication error of indoor and outdoor unit Main check points: (1) Connection wire between indoor unit and outdoor unit (2) Wiring inside the unit (3) Communication circuit of control board of indoor unit (4) Communication circuit of control board of outdoor unit Start Check whether the...
  • Page 39 Service Manual 2. Charging malfunction of capacitor Main check points: (1) wiring board XT (2) reactor NOTE:The control board as below means the control board of outdoor unit. Put through the power to turn on the unit and then wait for 1min Measure the voltage at both ends of electrolytic capacitor with DC voltmeter.
  • Page 40 Service Manual 3. Relay adhesion error Main check points: (1) wiring diagram (2) main board Start Check if the wiring Energization test connection and insertion is normal Eliminate malfunction Connect and insert wiring again according to the wiring diagram Energization test Replace with a new controllerwith the same model...
  • Page 41 Service Manual 4. Overload protection of compressor , high discharge temperature protection of compressor Main check points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector After the unit has been cut off the power for more than 20mins Check whether the overload protector SAT is connected.
  • Page 42 Service Manual 5. Troubleshooting for temperature sensor Main check points: (1) connection terminal (2) temperature sensor (3) main board Start Check whether the connection terminal between the temperature sensor and the control board is loose or not connected well. Insert the temperature sensor well Eliminate the malfunction...
  • Page 43 Service Manual 6. IPM protection Main check points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit Put through the power and turn on the unit Check the connection between the control board and the IPM occurs when...
  • Page 44 Service Manual 7. Desynchronization diagnosis for compressor Main check point: (1) system pressure (2) power supply voltage Desynchronization occurs Desynchronization occurs during operation after turning on the unit Check whether the fan Replace the fan Does the outdoor fan operate terminal OFAN is Check whether the compressor capacity C1.
  • Page 45 Service Manual 8. Malfunction diagnosis for failure startup Main check points: (1) compressor wire (2) compressor (3) charging amount of refrigerant Put through the power and turn on the unit The time for stop operation is not enough and the system's high pressure and low pressure is Check whether the compressor unbalanced.
  • Page 46 Service Manual 9. Overload Main check points： (1) compressor (2) refrigerant (3) air inlet/outlet, heat exchanger and internal system is dirty and blocked (4) fan (5) operation environment Start The air conditioner should operate under low ambient Operation environment is temperature and humidity Eliminate malfunction? Is the heat exchanger...
  • Page 47 Service Manual 10. Troubleshooting-motor(indoor fan) doesn't operate Main check points: (1) connection terminal (2) motor (3) control board AP1 of indoor unit (4) blade Display shows "H6" Pull the blade with hand under de-energization status Check whether the Adjust the motor and the blade blade operates smoothly to make the motor operate smoothly.

  • Page 48: Malfunction Analysis

    Service Manual 9.3 Malfunction Analysis Check if switch is in off position, if socket and plug is disconnected, and check if power supply failed or No power supply cut off. Replace fuse Fuse burn-out Power voltage is too low Check power voltage. If it is 10% below rated voltage ,inspect and repair line Check if option switch (ON, OFF) is disconnected with line, has mechanical failure;use universal...
  • Page 49 Service Manual Check leakage,carryout vacuum-pumping after Insufficiency or leakage of refrigerant repairing leakageand chargerefrigerant according to requirements. Observe the condensation condition of evaporator orthe reading of high pressure meter to judge if Blockage in cooling system thesystem is blocked; deal with the system accordingly Excess refrigerant Charge excess refrigerant in the system Replace it with a new compressor...
  • Page 50 Service Manual Shortage or too much of refrigerant Adjust the volume of refrigerant The capillary is block and the sucking temperature Change capillary is increased. Protector is activated due to too overheat Compressor does not run, jammed or blocked, of compressor. Change compressor and the discharge valve is damaged.

  • Page 51: Troubleshooting For Normal Malfunction

    Service Manual 9.4 Troubleshooting for Normal Malfunction 1. Air Conditioner can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor con- After energization, operation indicator isn't bright wait for power recovery.
  • Page 52 Service Manual 4. ODU Fan Motor can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit dia- Connect wires according to wiring diagram to connection gram make sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an uni- Capacity of the ODU fan motor versal meter and find that the capacity is out of the...

  • Page 53: Removal Procedure

    10. Removal Procedure Service Manual (NOTE: Take one of appearance for example.) Caution: pull out the power,discharge the refrigerant completely before removal. Step Procedure 1. Remove Front Panel Assy Front Panel Assy Drag the lower part of front panel assy, pull it outwards and upwards to left separate from clasps, and then remove the front panel assy.
  • Page 54 Service Manual Step Procedure 4. Remove Outer Support Sub-assy Outer Support Sub-assy Remove 3 screws fixing left outer support sub- assy and then remove it. Remove 3 screws fixing right outer support sub- assy and then remove it. 5. Remove Baffle Plate Baffle plate Remove 1 screw fixing baffle plate and then remove it.
  • Page 55 Service Manual Step Procedure 7. Remove Top Cover Sub-assy Top cover sub-assy Remove 4 screws fixing top cover sub-assy and then remove it. 8. Remove LCD Cover Sub-assy LCD cover sub-assy Remove 1 screw fixing LCD cover sub-assy and then remove it. Baffle Plate 9.
  • Page 56 Service Manual Step Procedure 10. Remove Electric Box Assy Electric box assy Remove 1 screw on electric box assy, take off the clasp under the electrical box and remove the wiring according to the circuit diagram, and remove the electrical box assy. 11.
  • Page 57 Service Manual Step Procedure 13. Remove Air Flue Assy Air flue assy Remove 4 screws fixing air flue assy and then remove it. 14. Remove Flow Guide Loop Flow guide loop Remove 3 screws on flow guide loop and chassis, and 3 screws on condenser, and then remove flow guide loop.
  • Page 58 Service Manual Step Procedure 16. Remove Condenser Assy and Evaporator Assy Evaporator assy Condenser assy Remove the 3 screws fixing evaporator assy and then remove condenser assy and evaporator assy. 17. Remove Compressor Compressor Remove the 3 foot nuts of compressor and then remove compressor.

  • Page 59: Appendix

    Appendix: Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉） （℉） （℃） （℉） （℃）...

  • Page 60: Appendix 2: List Of Resistance For Temperature Sensor

    Service Manual Appendix 2: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor (15K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333...
  • Page 61 Service Manual Resistance Table of Ambient Temperature Sensor (20K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289 1.233 129.9 19.14 4.14 1.198...
  • Page 62 Service Manual Resistance Table of Ambient Temperature Sensor (50K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 620.8 77.35 15.17 4.08 580.6 73.83 14.62 3.96 548.9...
  • Page 64 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version.

This manual is also suitable for:

Aciq-12ptc-invAciq-15ptc-invCc060063700Cc060063600Cc060063500

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