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TCL TAC-09CSD/XAB1, Service Manual

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TCL Air Conditioner Service Manual

32

3.2 Trouble shooting
3.2.1 E1, E2 ---IDU Room temperature sensor and/or coil temperature sensor failure.

Start

Display E1or E2

Re-connect

Is the sensor well

connected to PCB

Multi-meter check the

sensor, is it open or

short circuit?

Replace the sensor

No

Yes

Yes

Replace IDU PCB

The malfunction

eliminated?

End

E1/E2

disappear?

Yes

No

No

No

Yes

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Summary of Contents for TAC-09CSD/XAB1

Page 1: ...TCL Air Conditioner Service Manual 1 ON OFF type air conditioner Service Manual Models TAC 09CSD XAB1 TAC 12CSD XAB1 TAC 18CSD XAB1...

Page 2: ...ION 24 2 1 Installation Dimension Diagram 24 2 2 Accessory 25 2 3 Position 26 2 4 Electricity and wiring 26 2 5 IDU Installation 26 2 6 ODU Installation 29 2 7 Vacuum and gas leakage test 30 2 8 Final...

Page 3: ...pt to repair the appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability...

Page 4: ...Manual 4 2 Refrigeration cycle diagram Cool only Heating Liquid side 2 way valve Gas side 3 way valve Compressor 4 way valve Muffler Muffler Heat exchange Condenser Heat exchange Evaporator Check valv...

Page 5: ...TCL Air Conditioner Service Manual 5 3 Electric Diagram 3 1 Wiring diagram MODEL TAC 09CSD XAB1 INDOOR UINT OUTDOOR UINT...

Page 6: ...TCL Air Conditioner Service Manual 6 MODEL TAC 12CSD XAB1 INDOOR UINT OUTDOOR UINT...

Page 7: ...TCL Air Conditioner Service Manual 7 MODEL TAC 18CSD XAB1 INDOOR UINT OUTDOOR UINT...

Page 8: ...connector 11 Left Right swing connector 12 Display 13 Emergency button 14 AC Motor feedback 15 Temperature sensor connector 16 WIFI connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 ODU AC power out...

Page 9: ...9 AC Motor feedback 10 Display 11 Emergency button 12 Temperature sensor connector 13 Trans former IN 14 Trans former OUT 15 Anion connrctor 1 Trans former IN 2 ODU AC power output 3 Fuse 4 ODU AC po...

Page 10: ...t 3 Fuse 4 ODU AC power input 5 AC motor driver 6 IDU ODU wiring connection N connector 7 Power supply N connector 8 Left Right swing connector 9 Up Down swing connector 10 AC Motor feedback 11 Emerge...

Page 11: ...COOLING t 1 FAN 1 t 1 HEATING t 1 4 1 2 Cooling mode 4 1 2 1 Temperature control 16 31 61 88 and the operation of fan speed and vane position according to preset 4 1 2 2 Compressor and process contro...

Page 12: ...orking again 3 The compressor will also stop working while unit a switched off b under protection c changed to fan mode 4 Under normal operation the compressor can be stopped by program until it works...

Page 13: ...rking caused by any kinds of protection 4 In the process of defrosting 4 way valve will be OFF 39s delay after compressor stopped 5 When defrosting finish the compressor stops operation 4 way valve wi...

Page 14: ...ays OFF 4 1 6 Timer The unit has times control when the unit meet the timer preset it will be switched on or off automatically 4 1 6 1 TIMER ON 1 TIMER ON can be set only when the air conditioner is O...

Page 15: ...at protection b IPT 54 ODU Fan stops working IDU fan motor and compressor keeps original state 2 When IPT 48 the compressor and ODU Fan restart works to quit overheat protection 3 If unit have 6 times...

Page 16: ...and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power c...

Page 17: ...onnected before detaching the connecting pipe If compressor starts running when the valves is open and connecting pipe is not yet connected air will be sucked in and cause pressure rise and then compr...

Page 18: ...ount in appliance in kg Amin is the required minimum room area in m2 A is the room area in m2 LFL is the lower flammable limit in kg m3 h0 is the installation height of the appliance in meters for cal...

Page 19: ...ic gloves Don t use mobile phone Installation Safety Caution The installation should be in a well ventilated condition location When you installing or maintaining an air conditioner using Refrigerant...

Page 20: ...nfirm the functions before using the concentration detectors Pressure Gauge A The pressure gauges should be calibrated regularly B The pressure gauge used for Refrigerant 22 can be used for Refrigeran...

Page 21: ...g welding smoking or other purposes It is prohibited to use mobile phones At the time of maintenance if the relative humidity is lower than 40 it is necessary to wear anti static clothing and gloves I...

Page 22: ...l the system in a safe sealing way after maintaining the refrigerating system It is necessary to ensure that the maintenance will not damage or reduce the safety protection grade of the original syste...

Page 23: ...othing or shoes which easily produce static Handling suggestions when a large amount of combustible refrigerant leaks It is necessary to immediately operate the ventilating equipment while cutting off...

Page 24: ...least 300cm Space to the wall At least 15cm Space to the wall Space to the obstruction At least 250cm Space to the floor At least 50cm Space to the obstruction At least 30cm Space to the obstruction...

Page 25: ...TCL Air Conditioner Service Manual 25 2 2 Accessory Remote controller Remote controller supporter Batteries Vinyl tape Drain hose Hole cover Screw Insulation material...

Page 26: ...eave the spaces as shown in the picture for The air to circulate freely Install the outdoor unit in a safe and solid place If the outdoor unit is subject to vibration place rubber gaskets onto the fee...

Page 27: ...ont panel 4 Connect the cable wires to the screw terminals by following the numbering Use wire size suitable to the electric power input see name plate on the unit and according to all current nationa...

Page 28: ...the rear piping housing section with vinyl tape Bundle the piping and drain hose together by wrapping them with vinyl tape over the range within which they fit into the rear piping housing section 2 5...

Page 29: ...or unit during heating operation can be drained away through the drain pipe 1 Fasten the drain port in the 25mm hole placed in the part of the unit as shown in the picture 2 Connect the drain port and...

Page 30: ...ew caps of valve and refrigerant charging vent 2 Leakage Detection 1 With leakage detection Check if there is leakage with leakage detection 2 With soap water If leakage detection is not available ple...

Page 31: ...or the high low pressure valve model E6 IDU PG Fan motor DC fan motor works abnormal IDU failure Fan motor fan blade and PCB P7 Overheating protection on Heating mode Please check the troubleshooting...

Page 32: ...ture sensor and or coil temperature sensor failure Start Display E1or E2 Re connect Is the sensor well connected to PCB Multi meter check the sensor is it open or short circuit Replace the sensor No Y...

Page 33: ...reconnect Multi meter check resistance of fan motor is there open or short circuit of winding Replace IDU PCB Replace fan motor Yes Yes No No End Turn the fan blades by hand while power off Can the f...

Page 34: ...62 ODU PCB will switch off outdoor unit and show P7 failure code Display P7 ODU fan motor works normal Replace IPT sensor Replace IDU PCB Fan motor broken Replace fan motor End No No Yes Yes P7 disapp...

Page 35: ...B Remove one screw and take the displa box out from the panel C Release panel axis which shown in re arrows out from middle frame and tak the panel out D Unscrew and take the WIFI module ou from midd...

Page 36: ...the cover 5 Remove the filter Push the filter upwards a little you can take it out from unit 6 Disassembly the middle frame A Open the screw cover and unfix screw with cross screwdriver B Remove the m...

Page 37: ...ectors out from PCB D Unfix one screw of the control box with unit BASE FRAME and take the control box out from unit Note The right picture for your reference only for the exact model the wiring conne...

Page 38: ...e the evaporator out from unit by uplifting the IUPUT OUTPUT pipes slightly 10 Remove the MOTOR COVER Unfix 4 screws on the motor cover with base frame 11 Disassembly fan motor and fan blade A Uplift...

Page 39: ...ODU Assembly Step Reference picture Before disassembly 1 Remove the PCB Cover Valve Cover and Top Cover A 1 Unfix one screw on the PCB cover you can take the cover out from unit 2 Unfix one screw on t...

Page 40: ...t plate then you can take the top cover out 2 Disassemble the Fan Guard and Front Panel A 1 Unfix screw btw fan guard and front panel and take the fan guard out B 2 Unfix screws btw front panel and fa...

Page 41: ...screws btw Right Plate and the Electric Box assembly Valve Plate Base Plate then you can take the Right plate out B Unfix screws btw left plate base plate and condenser plate you can take the left pla...

Page 42: ...assemble the Electric Box Unfix screw btw Electric Box and motor supporter etc loosen the wiring clamp then you can take the control box out 6 Take out the Noise Cotton A Shown as picture to take the...

Page 43: ...lve plate and base you can take the 2 way and 3 way valve out by welding Note 1 The welding can only place while no gas in the unit 2 Pay attention to the fire to prevent any injury 9 Disassemble the...

Page 44: ...can t be taken out by force APPENDIX Appendix 1 The comparison table of Celsius Fahrenheit temperature Fahrenheit diplay temperature Fahrenheit Celsius Fahrenheit diplay temperature Fahrenheit Celsius...

Page 45: ...ant piping Max length m A Additional refrigerant charging Xg B A 5m B 7K 5 15 20g m 9K 5 15 20g m 12K 5 15 20g m 18K 5 15 30g m 24K 5 15 30g m Outdoor unit Indoor unit Pipe length is 15 meters Max be...

Page 46: ...n the pipe length B Burrs removal 1 Completely remove all burrs from the cut cross section of pipe tube 2 Put the end of the copper tube pipe in a down ward direction as you remove burrs in order to a...

Page 47: ...22 0 765 14 27 567 4 219 31 3 981 2 192 76 0 895 0 746 13 26 239 4 186 32 3 836 2 146 77 0 869 0 728 12 24 984 4 152 33 3 697 2 101 78 0 843 0 710 11 23 795 4 117 34 3 563 2 057 79 0 819 0 692 10 22 6...

Page 48: ...8 Resistance at 25 5 k TH1 indoor room temperature sensor and outside air temperature sensor TH2 indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance...

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