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OB207t-1qxp 25/9/97 8:51 PM Page 1
TCL
WALL MOUNTED SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
No.TE080528
Models
KFTHP-12
KFTHP-18
KFTHP-24
CONTENTS
1. IMPORTANT NOTICE ···································2
2. TECHNICAL SPECIFICATION ·····················3
3. OPERATION DETAILS·······································4
4. ELECTRICAL SCHEMATIC DIAGRAM ·········· 13
5. EXPLOSION VIEW ····························16
6. PARTS LIST
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TCL Air Conditioner Service Manual TCL Air Conditioner Service Manual TCL Air Conditioner Service Manual TCL Air Conditioner Service Manual IMPORTANT NOTICE This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. It is to be installed and service by a licensed HVAC technician. Any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsi
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TCL Air Conditioner Service Manual Technical Specifications Model No. KFTHP-12 KFTHP-18 KFTHP-24 Type Heating pump Heating pump Heating pump Control type Remote Remote Remote Rated cooling capacity Btu/h 12500 18000 24000 Rated heating capacity Btu /h 12000 17300 23500 SEER Btu/W.h 13.1 13.3 13.0 HSPF Btu/W.h 8.8 8.1 8.5 Moisture removal Liters/h 1.2 1.5 2.0 High dB(A) 42 56 57 Indoor noise level at Med. dB(A) 40 54 55 cooling Low dB(A) 38 50 52 Outdoor sound powe
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TCL Air Conditioner Service Manual Operation Details 1 1 Remote controller Remote controller The remote controller transmits signals to the system. ON/OFF button 1 Used to start and stop operation when pressed. SLEEP TIMER ON TMIER OFF TIMER button 2 FEEL AUTO HIGH COOL Used to select TIMER operation. DRY MID FAN LOW HEAT SWING UP button (TOO COOL button) 3 Used to increase the set room temperature 3 and time. SLEEP FAN 5 7 4 DOWN button (TOO WARM button) Used to decrease the set room tem
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TCL Air Conditioner Service Manual REMOTE CONTROLLER The four types of remote controller is as follow: GYKQ-05 GYKQ-10e (optional) GYKQ-11e (optional) GYKQ-12e (optional) Note: The function of remote controller above is the same. 5
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TCL Air Conditioner Service Manual Electronic Controller 1. Safety Control (1) Time Delay Safety Control 3 minutes delay for compressor---The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle in order to protect the compressor. 2 minutes delay for 4-way valve---The 4-way valve is ceased for 2 minutes to prevent the refrigerant-gas abnormal noise when the HEATING operation is OFF or switch to the other operation mode. (2) Indoor Pipe Temperature Senso
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Temperature drop Temperature raise TCL Air Conditioner Service Manual Room Temp. Set TEMP. 1.8 Set TEMP. 1.8 More than 2 min More than 2 min More than 2 min More than 2 min More than 2 min Time Indoor Fan Set Speed Set Speed Set Speed Set Speed Set Speed Compressor ON OFF ON OFF ON Outdoor Fan ON OFF ON OFF ON 4. “DRY” Mode Operation (1) The system for DRY operation used the same refrigerant circle as the cooling circle. (2) When the system operates in DRY mode ,at
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TCL Air Conditioner Service Manual (5) Defrost Defrosting of the outdoor heat exchange is controlled by the microprocessor with detection by the indoor pipe temperature sensor. Defrost control type is according to the JC on the PCB whether is connected. When the JC is connect on the PCB When one of the conditions of A, Band C is satisfy, the defrosting operation stars. A. IPT--- indoor pipe temperature ℉) In the condition A, it must satisfy the conditions a), b)and c) then int
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TCL Air Conditioner Service Manual Defrosting time chart Outdoor Fan ON OFF ON Revering Valve ON OFF ON Compressor Relay ON OFF ON OFF ON 39S 5S Defrost Count MAX 12min 19S 15S t 6. “FAN” mode operation The indoor fan motor always turns on at the set speed and the vane motor turns on at the set fettle.
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TCL Air Conditioner Service Manual motor is shut off. 10 seconds later, the electric current is applied to the fan motor again. During the fan motor lock-up, the POWER indicator lamp flashes on and off 6times/cycle or E6 to show the fan motor abnormality. 10. Auto Fan Speed Control (1) When the auto fan speed is selected, the indoor fan motor speed is automatically controlled by the room temperature and the set temperature. (2) In COOLING mode, the indoor fan motor operates as following:
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TCL Air Conditioner Service Manual Press the Timer button(‘h’ flashes). Use the ▲▼ button to select the time at which the air conditioner must activate (between 0 and 10 hours can be set at every half hour-between 10 and 24 hours can be set at every hour). Press the Timer button (‘h’ stops flashing) and the preset time appears in the display. Press the Timer button again to delete the selected data from the memory. Note : If no buttons are pressed during the programming of the timer fu
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TCL Air Conditioner Service Manual this, it displays the failure and the protection is failing. You must power off/on to operate it. In the failure, you can operate the FAN mode. When the outdoor protects in the COOLING or DRY, the outdoor unit stops, the indoor fan operates in set speed ; and in the HEATING, the outdoor unit stops, the indoor fan operates in cold air prevention control. The system doesn’t receive the signal of remoter controller except the signal of shut off. When the s
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θ TCL Air Conditioner Service Manual ELECTRICAL SCHEMATIC DIAGRAM MODEL: KFTHP-12 13
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TCL Air Conditioner Service Manual ELECTRICAL SCHEMATIC DIAGRAM MODEL: KFTHP-18 14
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θ TCL Air Conditioner Service Manual ELECTRICAL SCHEMATIC DIAGRAM MODEL: KFTHP-24 15
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TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-12 INDOOR UNIT 16
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TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-18 INDOOR UNIT 3 21 4 5 6 7 8 28 9 10 27 11 26 12 13 25 14 15 24 23 16 22 21 17 20 18 19 17
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TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-24 INDOOR UNIT 4 3 21 5 6 31 7 30 8 29 9 28 10 27 11 12 26 13 25 14 15 24 23 16 22 21 17 20 18 19 18
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TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-12 OUTDOOR UNIT 5 4 3 2 1 6 27 7 26 8 25 9 24 23 10 22 11 21 20 19 12 18 13 14 15 16 17 19
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TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-18 OUTDOOR UNIT 5 4 3 2 1 6 28 7 27 8 26 9 25 24 23 10 22 11 21 20 19 12 18 13 14 15 16 17 20
