TCL TAC-09CHSD/XAA1I Service Manual
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TCL TAC-09CHSD/XAA1I Service Manual

Inverter air conditioner
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Table of Contents

TCL
Service Manual
Models
TAC-09CHSD/XAA1I TAC-12CHSD/XAA1I
TAC-18CHSD/XAA1I TAC-24CHSD/XAA1I
CONTENTS
TCL Air Conditioner Service Manual
Inverter air conditioner
 

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Summary of Contents for TCL TAC-09CHSD/XAA1I

  • Page 1: Table Of Contents

    TCL Air Conditioner Service Manual   Inverter air conditioner Service Manual Models TAC-09CHSD/XAA1I TAC-12CHSD/XAA1I TAC-18CHSD/XAA1I TAC-24CHSD/XAA1I CONTENTS 1. Important Notice 2. Product Dimensions 3. Refrigeration cycle diagram 4. Operation details 5. Wiring diagram 6. Explosion view and parts 7. Precaution 8.

  • Page 2: Important Notice

    TCL Air Conditioner Service Manual   1. Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage.

  • Page 3: Product Dimensions

    TCL Air Conditioner Service Manual   2. Product Dimensions Indoor Unit: Outdoor Unit:   Model 48.5 TAC‐09CHSD/XAA1I 48.5 TAC‐12CHSD/XAA1I 327.5 TAC‐18CHSD/XAA1I 1010 347.5 374.9 58.6 TAC‐24CHSD/XAA1I...

  • Page 4: Refrigeration Cycle Diagram

    TCL Air Conditioner Service Manual   3. Refrigeration cycle diagram Cooling only Liquid side 2-way valve Capillary Heat exchange Heat exchange (Evaporator) (condenser) Gas side 3-way valve Accumulator Compressor Heat pump Check valve Liquid side 2-way valve Capillary Assembly Heat exchange...

  • Page 5: Operation Details

    TCL Air Conditioner Service Manual 4 OPERATION DETAILS Remote controller ECO button In cooling mode,press this button ,the temperature will increase 2 on the base of setting temperature: In heating mode, press this button, the temperature will decrease 2 on the base of setting temperature.
  • Page 6 TCL Air Conditioner Service Manual Electronic Controller 1. Safety Protection (1) Time Delay for Safety protection 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting to balance the pressure in the refrigeration cycle in order to protect the compressor.
  • Page 7 the  compressor will run at very low frequency. In general, unit will change its running frequency according toδt to make room temperature closing to set temperature. (2) Outdoor temperature affects running frequency of the compressor Outdoor temperature affect compressor’s running frequency. Difference inlet temperature of outdoor unit is adapted by difference compressor running frequency.
  • Page 8 TCL Air Conditioner   Service Manual seconds since the stop of compressor. 2) Auto fan control (heating) In heating mode (include in “I feel” mode) , fan speed is determined by t as the following: δ δt come up RT‐ST δt come down...
  • Page 9 TCL Air Conditioner Service Manual overheat protection. The compressor drops its frequency toward to F1 level until IPT≤52℃ If IPT≤52℃ and keep for 5 minutes, control system doesn’t limit running frequency. If IPT>62℃, control system shut down compressor, and recover while IPT drop less than 50℃.
  • Page 10 TCL Air Conditioner Service Manual Error list Digital LED Code Failure Type LED Code RUN、TIMER –both winking Indoor and outdoor communication failure RUN、TIMER –both winking Outdoor communication failure Indoor room temperature sensor (IRT) RUN-1 time/8s Indoor coil temperature sensor (IPT)
  • Page 11 TCL Air Conditioner Service Manual Display on outdoor power source board: blink time (n) Failure IPM protection Over voltage /lower voltage Overcurrent Exhaust over temperature protection Outdoor coil over temperature protection Drive fault and protection (V1，VP1) Communication fault with indoor unit...

  • Page 12: Wiring Diagram

    TCL Air Conditioner Service Manual   5. Wiring diagram INDOOR UNIT: TAC-09CHSD/XAA1I TAC-12CHSD/XAA1I TAC-18CHSD/XAA1I TAC-24CHSD/XAA1I OUTDOOR UNIT: TAC-09CHSD/XAA1I TAC-12CHSD/XAA1I TAC-18CHSD/XAA1I  ...
  • Page 13 TCL Air Conditioner Service Manual OUTDOOR UNIT: TAC-24CHSD/XAA1I...

  • Page 14: Explosion View And Parts

    TCL Air Conditioner Service Manual 6. Explosion view and parts Indoor Unit- TAC-09CHSD/XAA1I Part No. Part Name Q’ty Remark 41106-002200 Front Panel 42008-000070 Air Filter 41106-002347 Face Frame 41105-000146 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-003000...
  • Page 15 TCL Air Conditioner Service Manual Outdoor Unit: TAC-09CHSD/XAA1I Part No. Part Name Q’ty Remark 42011-000127 Grille 41207-000029 Top cover 92011-000657 Condenser 41203-000054 Outdoor motor supporter 22001-000049 Outdoor motor 42004-000107 Propeller fan 41205-000133 Left grille supporter 41206-000054 Front plate 42011-000100 Fan guard...
  • Page 16 TCL Air Conditioner Service Manual Indoor Unit- TAC-12CHSD/XAA1I Part No. Part Name Q’ty Remark 41106-002199 Front Panel 42008-000037 Air Filter 41106-002371 Face Frame 41201-000068 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-003010 Evaporator 41108-000066 Screw Cover 42004-000039...
  • Page 17 TCL Air Conditioner Service Manual Outdoor Unit: TAC-12CHSD/XAA1I Part No. Part Name Q’ty Remark 42011-000127 Grille Optional 41207-000029 Top cover 92011-000657 Condenser 41203-000054 Outdoor motor supporter 22001-000049 Outdoor motor 42004-000107 Propeller fan 41205-000133 Left grille supporter 41206-000054 Front plate 42011-000100...
  • Page 18 TCL Air Conditioner Service Manual Indoor Unit- TAC-18CHSD/XAA1I Part No. Part Name Q’ty Remark 41106-002201 Front Panel 42008-000075 Air Filter 41106-002356 Face Frame 41105-000146 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-002777 Evaporator 41108-000066 Screw Cover 42004-000012...
  • Page 19 TCL Air Conditioner Service Manual Outdoor Unit: TAC-18CHSD/XAA1I Part No. Part Name Q’ty Remark 42011-000105 Grille Optional 41207-000033 Top Cover 92011-000748 Condenser 41203-000052 Outdoor Motor Supporter 22001-000096 Outdoor Motor 42004-000104 Propeller Fan 41205-000130 Left grille supporter 41206-000055 Front Plate 42011-000089...
  • Page 20 TCL Air Conditioner Service Manual Indoor Unit- TAC-24CHSD/XAA1I Part No. Part Name Q’ty Remark 41106-002202 Front Panel 42008-000001 Air Filter 41106-002351 Face Frame 41105-000146 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-002754 Evaporator 41108-000066 Screw Cover 42004-000002...
  • Page 21 TCL Air Conditioner Service Manual Outdoor Unit- TAC-24CHSD/XAA1I Part No. Part Name Q’ty Remark 42011-000128 Back Grille 41207-000028 Top cover 92011-000482 Condenser 41203-000046 Outdoor motor supporter 22001-000110 Outdoor motor 42004-000105 Propeller fan 41205-000135 Left grille supporter 41206-000047 Front plate 42011-000090...

  • Page 22: Precaution

    TCL Air Conditioner Service Manual 7. Precaution 7.1 SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLATION Read this guide before installing and using the appliance.  During the installation of the indoor and outdoor units the access to the working area should be ...
  • Page 23 TCL Air Conditioner Service Manual instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. 7.2 SAFETY RULES AND RECOMMENDATIONS FOR THE USER ...
  • Page 24 TCL Air Conditioner Service Manual  Ensure that the appliance is disconnected from the power supply when it will remain inoperative for a long period and before carrying out any cleaning or maintenance.  Selecting the most suitable temperature can prevent damage to the appliance.

  • Page 25: Names Of Parts

    TCL Air Conditioner Service Manual 8 .Names of parts INDOOR UNIT Indoor unit 2-3 4 Name Front panel Air filter Special filter(option) Display PCB Vertical vane Horizontal vane Remote controller Outdoor unit Name Air outlet grille Electronic box cover 2-way valve...

  • Page 26: Installation

    TCL Air Conditioner Service Manual 9. Installation manual 9.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid TAC‐09CHSD/XAA1I TAC‐12CHSD/XAA1I TAC‐18CHSD/XAA1I TAC‐24CHSD/XAA1I Indoor unit Outdoor unit Pipe l ength is Pi pe length is 15 meters Max. 15 meters Max.
  • Page 27 TCL Air Conditioner Service Manual 9.2 Installation for the first time Indoor unit  Install the indoor unit level on a strong wall that is not subject to vibrations  The inlet and outlet ports should not be Mounting plate...
  • Page 28 TCL Air Conditioner Service Manual  Install the indoor unit at a height of at least 2.5m from the ground. To install, proceed as follows: 9.2.1 Installation of the mounting plate. 1) By using a level, put the mounting plate in a perfect square position vertically and horizontally.
  • Page 29 TCL Air Conditioner Service Manual 7).An efficient earth connection must be ensured. 8).If the power cable is damaged, it must be replaced by an authorized Service Centre. 9.2.4 Refrigerant piping connection The piping can be run in the 3 directions indicated by numbers in the picture.
  • Page 30 TCL Air Conditioner Service Manual 4).If the piping is installed to the right, the pipes, power cable and drain hose must be lagged and secured onto the rear of the unit with a pipe connection.  Insert the pipe connection into the relative slot.

  • Page 31: Trouble Shooting

    TCL Air Conditioner Service Manual 10. Trouble shooting 10.1 Outdoor control diagram Indoor control system Outdoor control system Indoor control board Outdoor PCB Communication with outdoor unit Communication with indoor unit Indoor fan control Storage of working parameters Louver motor control...
  • Page 32 TCL Air Conditioner Service Manual 18K 24K 10.3 Connection of ODU PCB 09K 12K COMP. (S-Black) CN13 CN401 CN12 （LEV） （ORQ） (OVT) (485-COM) (OHT) (OPTOAT) (CAN-Blue) P5-1、P8 wu v (VAL) CN409 (ACL-Brown) CN12-2 programmed CN11 CN410 (OUTFAN) P10-3(W) U405 P11-1、P11-2...
  • Page 33 TCL Air Conditioner Service Manual 18K 24K COMP. CN13 CN12 （LEV） (OHT) (OPTOAT) （ORQ） (OVT) (ACN) CN409 CN11 (ACL) (HEAT) CN410 programmed (OUTFAN) P10-1(U) U603 P5-1、P8 CN401 (VAL) (DCFAN) P10-2(V) (485-COM) CN407 P10-3(W) For EEPROM PC monitor programmed P14(L) D412...
  • Page 34 TCL Air Conditioner Service Manual 10.5 Examples of repairing 10.5.1Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in. Solution: Check the connecter of sensor and slot (CN6), if loose or not plugged in, please connect again.
  • Page 35 TCL Air Conditioner Service Manual 3) The indoor main PCB damage. Solution: Replace the indoor main PCB. 10.5.3 Display E3, E7 Reasons: 1) Outdoor pipe temp sensor, outdoor temp sensor & exhaust temp sensor connection terminal loose or not plugged in.
  • Page 36 TCL Air Conditioner Service Manual Solution: Check the connecter of sensor and slot, if loose or not plugged in, please connect again. Outdoor pipe temp sensor damage. Fail Solution: Check and replace the sensor. 3) Outdoor PCB damage. Solution: Check and replace the outdoor PCB.
  • Page 37 TCL Air Conditioner Service Manual 1 N L 5) Communication fault if resistance or optical coupler broken, replace outdoor PCB. Communication circuit 6) Is there any burnt on PCB? If no, test the rectifier, FRD, IGBT etc. any component broken, replace PCB.
  • Page 38 TCL Air Conditioner Service Manual Solution: Re-energize and check the protection code on display. Firstly display P0. 1) If this code is displayed when the compressor is started for several seconds or even not started, check the compressor connection for correctness, if no insert wrong, replace outdoor PCB.
  • Page 39 TCL Air Conditioner Service Manual EEPROM 10.5.10 Display CL Cause: Air filter duty, the unit operation Cumulative time 500 hours, the controller will confirmation the filter dirty and display CL. Solution: Clean the air filter then cut off the power and supply again.
  • Page 40 TCL Air Conditioner Service Manual 10.6.2 DC Over Current Error Error memory is recorded Start Are valves (2-way or 3-war) close? Full open stop valves Does compressor rotates? Does compressor rotates more than 30 seconds? IPM PWB floating from the heat sink IPM PWB with screws securely.
  • Page 41 TCL Air Conditioner Service Manual 10.6.3 E0,E5 Error Replace inverter board and power Display E5 Start supply board or outdoor PCB assembly Display E0 Display E5 Display E5 Shut off power and supply Shut off power Replace inverter board and supply again...
  • Page 42 TCL Air Conditioner Service Manual 10.7 THERMISTOR TEMPERATURE CHARACTERISTICS 1. Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of (℃) (k Ohm) resistance (℃)
  • Page 43 TCL Air Conditioner Service Manual Resistance at 25℃: 5 kΩ. TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors as shown above. 2. Outdoor unit sensor temperature characteristics TEMP.
  • Page 44 TCL Air Conditioner Service Manual 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651 5.947 6.253 0.9833 1.028 1.074 52.49...

This manual is also suitable for:

Tac-12chsd/xaa1iTac-18chsd/xaa1iTac-24chsd/xaa1i.

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