Page 2 - IMPORTANT NOTICE; It is; How to order spare parts; The quantity you ordered
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...
Page 3 - Technical Specifications; Btu
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 17 3 00 23500 SEER Btu/W.h 13.1 13.3 13.0 ...
Page 4 - The remote controller transmits signals to the system.; Remote controller; O p e r a t i o n D e t a i l s; R e m o t e C o n t r o l
4 Note: Each mode and relevant function will be further specified in following pages. S L E E P FAN T I M E R S W I N G O N / O F F M O D E M I D SWING AUTO D RYFANH E AT COOL F E E L S L E E P TIMER ON H I G H LOW TMIER OFF The remote controller transmits signals to the system. Remote controller 1 ...
Page 5 - REMOTE CONTROLLER; The four types of remote controller is as follow:; The function of remote controller above is the same.
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
Page 6 - Electronic Controller; Control
TCL Air Conditioner Service Manual 6 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---T...
Page 7 - “DRY” Mode Operation
TCL Air Conditioner Service Manual 7 Room Temp. Set TEMP. + 1 .8 ℉ Set TEMP. - 1 .8 ℉ Time More than 2 min More than 2 min More than 2 min More than 2 min More than 2 min 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” Mo...
Page 8 - When the JC is connect on the PCB; is less th; When the JC isn’t connected on the PCB; c) The outdoor defrost sensor reads
TCL Air Conditioner Service Manual 8 (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 o...
Page 9 - hour later and by; (1) Rotational frequency feedback control
TCL Air Conditioner Service Manual 9 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 fe...
Page 10 - Auto Fan Speed Control; Auto Vane Operation control
TCL Air Conditioner Service Manual 1 0 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 ...
Page 11 - EMERGENCY Operation; and; Failure Display and Handling; has
TCL Air Conditioner Service Manual 1 1 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 flash...
Page 12 - to operate
TCL Air Conditioner Service Manual 1 2 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 i...
Page 13 - ELECTRICAL SCHEMATIC DIAGRAM
TCL Air Conditioner Service Manual ELECTRICAL SCHEMATIC DIAGRAM MODEL: KFTHP-12 θ 13
Page 16 - EXPLOSION VIEW
TCL Air Conditioner Service Manual 16 EXPLOSION VIEW MODEL: KFTHP-12 INDOOR UNIT
Page 21 - OUTDOOR UNIT
TCL Air Conditioner Service Manual EXPLOSION VIEW MODEL: KFTHP-24 OUTDOOR UNIT 2 4 1 6 2 8 2 7 2 6 2 5 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 5 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 21
Page 22 - Part List; Indoor Unit
TCL Air Conditioner Service Manual Part List Indoor Unit - KFTHP-12 No. Part No. Part Name Q’ty Remark 1 1170240001 Transformer 1 2 1170230001 Indoor Sensor Assembly 1 3 1070350245 In And Out Pipe Fixer 1 4 1080030021 Installation Plate 1 5 1070350243 Base 1 6 1070020024 Cross Fan 1 7 1070100010 Bea...
Page 23 - Vertical Vane Supporter
TCL Air Conditioner Service Manual Part List Indoor Unit - KFTHP-18 No. Part No. Part Name Q’ty Remark 1 1080030001 Installation Plate 1 2 1213090101 Base 1 3 1070020014 Cross Fan 1 4 1070100010 Bearing Mount 1 5 1170030075 Indoor Motor 1 6 1073090120 Indoor Motor Clamp 1 7 1170020011 Vane Motor 2 8...
Page 25 - Part Name
TCL Air Conditioner Service Manual Part List Outdoor Unit- KFTHP-12 No. Part No. Part Name Q’ty Remark 1 1400250857 Grille 1 2 1080050011 Top Cover 1 3 1110060867 Condenser 1 4 1080050001 Left Grille Supporter 1 5 1080050007 Left Grille 1 6 1080050009 Front Plate 1 7 1080320112 Fan Guard 1 8 1210250...
Page 26 - Base Carton; Cabinet Carton
TCL Air Conditioner Service Manual Part List Outdoor Unit- KFTHP-18 No. Part No. Part Name Q’ty Remark 1 1071990041 Grille 1 2 1081990038 Top Cover 1 3 1110061027 Condenser 1 4 1081990040 Left Grille Supporter 1 5 1081990045 Left Grille 1 6 1081990047 Front Plate 1 7 1081990048 Fan Guard 1 8 1081990...