Related Manuals for TCL TFC-24HRA
Summary of Contents for TCL TFC-24HRA
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Page 1: Table Of Contents
FLOOR-STANDING SPLIT-TYPE AIR CONDITIONERS SERVICE MANUAL No.20180321 Models TFC-24HRA/TOC-24HNA TFC-48HRA/TOC-48HSA CONTENTS 1. IMPORTANT NOTICE 2. PRODUCT DIMENSIONS 3. REFRIGERATION CYCLE DIAGRAM 4. OPERATION DETAILS 5. WIRING DIAGRAM 6. -
Page 2: Important Notice
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: Indoor unit Outdoor unit Indoor unit Outdoor unit Model TFC-24HRA 1740 TFC-48HRA 1780 1250 3 ... -
Page 4: Refrigeration Cycle Diagram
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 Heat exchange (Evaporator) (condenser) -
Page 5: Operation Details
Air Conditioner Service Manual 4.Operation Details Remote controller ON/OFF button To switch the conditioner on and off. 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 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 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 Air C Conditioner Se rvice Manual 6) Defro osting functio During de efrosting, on ce mode ch anging, eco nomic opera ation or temp perature set tting signals received, th buzzer an nd display w will make res sponse imme ediately, but t the other o...
- Page 9 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 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.
- Page 11 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 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 goes on to run at low-speed accordingly, the vane turns to cold air prevention location Set fan speed Set fan speed...
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Page 13: Wiring Diagram
Air Conditioner Service Manual 5. WIRING DIAGRAM MODEL: TFC-24HRA/TOC-24HNA INDOOR UNIT: ... - Page 14 Air Conditioner Service Manual MODEL: TFC-48HRA/TOC-48HSA INDOOR UNIT ～ OUTDOOR UNIT...
- Page 15 Air Conditioner Service Manual 6. EXPLOSION VIEW AND PARTS EXPLOSION VIEW Mode: TFC-24HRA, TFC-48HRA INDOOR UNIT: ...
- Page 16 Air Conditioner Service Manual Parts List Indoor Unit- TFC-24HRA Part No. Part Name Remark Q’ty 210701315 Inside Base 1080510051AA Right Plate 1080510067 Back Plate 1200710101 Rubber Water Drainage 1080510052AA Left Plate 1110050531 Evaporator 1080520226 Top Plate 210702134 Pipe Cover 1070520508...
- Page 17 Air Conditioner Service Manual Indoor Unit- TFC-48HRA Part No. Part Name Remark Q’ty 1071200023 Inside Base 1081200114 Right Plate 1301200025 Back Plate 1204090101 Rubber Water Drainage 1081200116 Left Plate 1110050374 Evaporator 1071200024 Top Plate 210702134 Pipe Cover 1154090101 Water Drainage 1151200001 Out Blow Casing Foam 1214090113...
- Page 18 Air Conditioner Service Manual MODEL: TAC-24CHFA/C OUTDOOR UNIT: ...
- Page 19 Air Conditioner Service Manual Outdoor Unit- TOC-24HNA Part No. Part Name Remark Q’ty 1071990041 Back Grille Optional 1081990038 Top Cover 1110060608 Condenser 1081990042 Outdoor Motor Supporter 1170040102 Outdoor Motor 1170120146AA Propeller Fan 1081990040 Left Grille Supporter 210800277 Front Plate 1070251945 Fan Guard 3100060380 Compressor...
- Page 20 Air Conditioner Service Manual OUTDOOR UNIT: Mode: TOC-48HSA...
- Page 21 Air Conditioner Service Manual Outdoor Unit- TOC-48HNA Code Part Name Qty. Remark 230800158 Left supporter 230900056 Outdoor fan motor 230800159 Motor supporter 230800156 Cover 3210060247 Condenser 1 3210060248 Condenser 2 3122524802 Condenser pipe 1 3122605813 Condenser pipe 2 3120160027 Accumulator 3072640201 Rear protection net 1170230005...
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Page 22: Precaution
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 forbidden to children. - Page 23 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
Air Conditioner Service Manual 8. Names of parts INDOOR UNIT Indoor unit Name Airflow direction flaps Deflectors Indoor unit rating label Signal receiver LED Display Control panel Front panel Air filter Front panel Remote controller Outdoor unit Name Air outlet grille Electronic box cover 2-way valve 3-way valve... -
Page 25: Installation
Air Conditioner Service Manual 9. Installation manual 9.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid TFC-24HRA/TOC-24HNA TFC-48HRA/TOC-48HSA Outdoor unit: Indo o r uni t Should be less than 20 m Should be less than 20 m Indoor unit... - Page 26 Air Conditioner Service Manual Installation for the first time 10.2 Indoor unit Install the indoor unit on a strong wall that is not subject to vibrations. The in let and outlet ports should not be obstructed: the air should be able to blow all over the room.
- Page 27 Air Conditioner Service Manual To install, proceed as follows: Indoors 10.2.1 Drilling a hole in the wall for the piping Out doors 1) Decide where to drill the hole in the wall for the piping (if necessary) according to the position of the mounting plate 2) Install a flexible flange through the hole in the wall to keep the latter intact and clean.
- Page 28 Air Conditioner Service Manual 10.2.4 Connecting the pipes. Do not remove the cap from the pipe until connecting it, to avoid dampness or dirt from entering. If the pipe is bent or pulled too often, it will become stiff. Do not bend the pipe more Extending the rolled pipe than three times at one point.
- Page 29 Air Conditioner Service Manual 10.2.8 Connecting the pipe connection pipes Screw the flare nuts to the outdoor unit coupling with the same tightening procedures described for the indoor unit. flare nuts liquid tap Note: If the tightening torque is not sufficient, there gas tap will probably be some leakage.
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Page 30: Trouble Shooting
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 ... - Page 31 Air Conditioner Service Manual 10.2 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 32 Air Conditioner Service Manual 10.3 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 ...
- Page 33 Air Conditioner Service Manual 10.4 THERMISTOR TEMPERATURE CHARACTERISTICS Indoor unit room temperature,exchange temperature and outdoor exchange temperature sensor 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 34 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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