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Summary of Contents for TCL TAC-07CHSA/VB
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Page 1: Table Of Contents
TCL Air Conditioner Service Manual air conditioner Service Manual Models TAC-07CHSA/VB TAC-09CHSA/VB TAC-12CHSA/VB TAC-24CHSA/VB CONTENTS 1. IMPORTANT NOTICE 2. PRODUCT DIMENSIONS 3. REFRIGERATION CYCLE DIAGRAM 4. OPERATION DETAILS 5. WIRING DIAGRAM 6. EXPLOSION VIEW AND PART LISTS 7. -
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 PRODUCT DIMENSIONS Indoor Unit: Outdoor Unit: Model TAC-07CHSA/VB TAC-09CHSA/VB 277.8 TAC-12CHSA/VB TAC-24CHSA/VB ... -
Page 4: Refrigeration Cycle Diagram
TCL Air Conditioner Service Manual 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 NOTES: RT-------Room Temperature. IPT------Indoor Pipe Temperature. ST------indoor Setting Temperature. OPT---Outdoor Pipe Temperature. CRT---Compensated Room Temperature 1. Automatic mode 1) The initial RT determines A/C working mode and the setting temperature (ST), the mode is determined effective only once unless A/C shut-down and then re-started.
- Page 7 TCL Air Conditioner Service Manual b. Indoor fan motor automatic airflow speed control, it works as shown in Figure 1: RT－ST 1°C 2°C 4°C Figure 1 Cooling automatic airflow When the temperature changing leads the fan speed variation, the switch can only be made orderly, and in every grade of air flow speed should run 1 minute at least.
- Page 8 TCL Air Conditioner Service Manual 6) Defrosting function: During defrosting, once mode changing, economic operation or temperature setting signals received, the buzzer and display will make response immediately, but the other operations won’t implement until defrosting finished; During defrosting, the signals of On-Off, Timing, Sleep, Fan speed and/or Swing can respond, but the Fan speed and/or Swing should be in accordance with operation for Cold Air Prevention.
- Page 9 TCL Air Conditioner Service Manual Running into defrosting under condition 3, defrosting time set is 10 min. a) Running into the first defrosting in 20 min after start-up. b) The interval from last defrosting equivalent to or more than 50 min (stopping the compressor or the machine in standby is allowed in the meantime).
- Page 10 TCL Air Conditioner Service Manual d. auxiliary electric heating is turned off for more than 30s。 e. ST-RT≥0°C; f. RT﹤25°C; g. IPT≤43°C; (3) The conditions of stopping auxiliary electric heating(any one of the following conditions met, the state stops) a. the compressor stops b.
- Page 11 TCL Air Conditioner Service Manual Under emergency operation, the function of compressor’s time-delay protection, Anti-frosting protection in cooling mode, Overheating protection in heating mode, sensor fault protection and defrost operate are effective. Under emergency operation, once effective signal from remote controller received, the A/C exits form of emergency mode without delay, and operates according to the setting value from remote controller immediately.
- Page 12 TCL Air Conditioner Service Manual b. When the indoor fan motor running at a low-speed under cold air prevention operation, once auxiliary electric heating works, the vane immediately withdraws from the cold air prevention location and turn back to normal vane angle. While auxiliary electric heating stops, indoor fan motor...
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Page 13: Wiring Diagram
TCL Air Conditioner Service Manual 5. WIRING DIAGRAM MODEL: TAC-07CHSA/VB TAC-09CHSA/VB TAC-12CHSA/VB TAC-24CHSA/VB INDOOR UNIT: OUTDOOR UNIT: ... - Page 14 TCL Air Conditioner Service Manual 6. Explosion view and parts Indoor Unit- TAC-07CHSA/VB Part No. Part Name Q’ty Remark 41106-001262 Front Panel 42008-000065 Air Filter 41106-002337 Face Frame 41105-000160 Electrical Box Cover 31102-000066 Display PCB 42003-000001 Display PCB Box 92011-002979...
- Page 15 TCL Air Conditioner Service Manual Outdoor Unit - TAC-07CHSA/VB Part No. Part Name Q’ty Remark 42011-000108 Grille 41207-000017 Top Cover 92011-000434 Condenser 41203-000038 Outdoor Motor Supporter 22001-000006 Outdoor Motor 42004-000072 Propeller Fan 41205-000126 Left Grille Supporter 41206-000030 Front Plate 42011-000068...
- Page 16 TCL Air Conditioner Service Manual Indoor Unit- TAC-09CHSA/VB Part No. Part Name Q’ty Remark 41106-001262 Front Panel 42008-000065 Air Filter 41106-002337 Face Frame 41105-000160 Electrical Box Cover 31102-000066 Display PCB 42003-000001 Display PCB Box 92011-002979 Evaporator 41108-000103 Screw Cover 42004-000038...
- Page 17 TCL Air Conditioner Service Manual Outdoor Unit - TAC-09CHSA/VB Part No. Part Name Q’ty Remark 42011-000108 Grille 41207-000017 Top Cover 92011-000434 Condenser 41203-000038 Outdoor Motor Supporter 22001-000006 Outdoor Motor 42004-000072 Propeller Fan 41205-000126 Left Grille Supporter 41206-000030 Front Plate 42011-000068...
- Page 18 TCL Air Conditioner Service Manual Indoor Unit- TAC-12CHSA/VB Part No. Part Name Q’ty Remark 41106-001262 Front Panel 42008-000065 Air Filter 41106-002337 Face Frame 41105-000160 Electrical Box Cover 31102-000066 Display PCB 42003-000001 Display PCB Box 92011-002762 Evaporator 41108-000103 Screw Cover 42004-000038...
- Page 19 TCL Air Conditioner Service Manual Outdoor Unit - TAC-12CHSA/VB Part No. Part Name Q’ty Remark 42011-000109 Grille 41207-000014 Top Cover 92011-000629 Condenser 41203-000037 Outdoor Motor Supporter 22001-000009 Outdoor Motor 42004-000073 Propeller Fan 41205-000124 Left Grille Supporter 41206-000038 Front Plate 42011-000070...
- Page 20 TCL Air Conditioner Service Manual Indoor Unit- TAC-24CHSA/VB Part No. Part Name Q’ty Remark 41106-001264 Front Panel 42008-000064 Air Filter 41106-002340 Face Frame 41105-000160 Electrical Box Cover 31102-000066 Display PCB 42003-000001 Display PCB Box 92011-002978 Evaporator 41108-000103 Screw Cover 42004-000036...
- Page 21 TCL Air Conditioner Service Manual Outdoor Unit - TAC-24CHSA/VB Part No. Part Name Q’ty Remark 42011-000107 Back Grille 41207-000019 Top Cover 92011-000646 Condenser 41203-000040 Outdoor Motor Supporter 22001-000019 Outdoor Motor 42004-000086 Propeller Fan 41205-000128 Left Grille Supporter 41206-000026 Front Plate...
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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 ... - Page 23 TCL Air Conditioner Service Manual 7.2 SAFETY RULES AND RECOMMENDATIONS FOR THE USER Do not try to install the conditioner alone; always contact specialized technical personnel. Cleaning and maintenance must be carried out by specialized technical personnel. In any case disconnect the appliance from the mains electricity supply before carrying out any cleaning or maintenance.
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Page 24: Names Of Parts
TCL Air Conditioner Service Manual 8.Names of parts INDOOR UNIT Indoor unit 2-3 4 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 3-way valve... -
Page 25: Installation
TCL Air Conditioner Service Manual 9. Installation manual 9.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid TAC-07CHSA/VB TAC-09CHSA/VB TAC-12CHSA/VB TAC-24CHSA/VB Indoor unit Outdoor unit Pipe l ength is Pi pe length is ... - Page 26 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 obstructed: the air should be able to blow all over the room.
- Page 27 TCL Air Conditioner Service Manual Install the indoor unit in the room to be air conditioning, avoiding to installation in corridors or communal areas. Install the indoor unit at a height of at least 2.5m from the ground.
- Page 28 TCL Air Conditioner Service Manual 6).The plug must be accessible also after the appliance has been installed so that it can be pulled out if necessary. .An efficient earth connection must be ensured. 8).If the power cable is damaged, it must be replaced by an authorized Service Centre.
- Page 29 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. Press to join the pipe connection to the base. 9.2.8 Electronic connections Wiring diagram on the back of the cover 1.
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Page 30: Trouble Shooting
TCL Air Conditioner Service Manual 10. Trouble shooting 10.1 Product does not operate at all. Power receptable voltage Product input voltage Power supply voltage check PCB assembly Power input voltage Driving load terminal Connector contact check Display PCB connector Power trans output voltage AC about 12±3V PCB assembly check... - Page 31 TCL Air Conditioner Service Manual 10.2 Indoor fan does not operate at all (E6). Check: Connector contact Motor output connector Motor capacitor Check: Motor bearing inserted Motor-related parts state Fan(Blower) fixed state Fan(Blower) contact state Motor detail check Operation mode check Check: Motor driving circuit PCB assembly check...
- Page 32 TCL Air Conditioner Service Manual 10.3 Compressor or outdoor fan does not operate at all. Re-input after power off Set the desired temperature of remote controller to be lower by 2°C or over than room temperature, and start the cooling operation.
- Page 33 TCL Air Conditioner Service Manual 10.4 Vane does not operate at all. Vane bending, structures interference check Connector check (Broken/short circuit/mal- connection) Replace the vane motor Vane motor check PCB assembly check(vane Replace the PCB motor driving circuit) 10.5 Cooling/heating conversion is disable.
- Page 34 TCL Air Conditioner Service Manual 10.6 Examples of repairing 10.6.1 Display 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 2) The indoor motor damage. Solution: Check and replace the motor. 3) The indoor main PCB damage. Solution: Replace the indoor main PCB.
- Page 36 TCL Air Conditioner Service Manual 10.7 THERMISTOR TEMPERATURE CHARACTERISTICS Indoor unit room temperature and pipe temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of (℃) (k Ohm) resistance (℃) (k Ohm) resistance (℃) (k Ohm) resistance 63.513...
- Page 37 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.
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