TCL TAC-09CHSD/XPI Service Manual Download Page 31

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10. Trouble shooting

10.1 Outdoor control diagram

Indoor control system

Outdoor control system

IPM fault output

Compressor drive

AC rectifier

Protection current samplin

Power factor adjustment

Outdoor PCB

Switch signal on top of the compressor
Chassis heating control
Outdoor power treatment
Electronic expansion valve control

Communication with indoor unit

Outdoor temperature detection
Outdoor fan control

4-way valve control

Fault and compressor state indication

Power ON/OFF

Communication

wire

Signal input

Temperature detection

Temperature or fault code display

Health assembly control

Communication with outdoor unit

Louver motor control

Indoor fan control

Display pc board

Indoor control board

Voltage sampling

Frequency generation

Storage of working parameters

Emergencyl Switch signal input

Remote signal input

Fan speed feedback
Electric heater control

Selection of heat and cool-only

model

Selection of data sheet

Selection of Fahrenheit and

Centigrade temperature

Selection of LED OR

without LED display

PFC Protection current sample

WIFI(option)

Rotor position check

10.2 The structure of ODU PCB

9K 12K

Indicator

Compressor
driving

Expansion

valve

Sensor

circuit

DC motor

Communication

AC motor

4-way valve

EEPROM

PFC

Rectifying

filtering circuit

Switch power
supply

Filter circuit

for heavy

current

Summary of Contents for TAC-09CHSD/XPI

Page 1: ...12CHSD XPI TAC 09CHSD YA11I TAC 12CHSD YA11I CONTENTS 1 Important Notice 2 Product Dimensions 3 Refrigeration cycle diagram 4 Operation details 5 Wiring diagram 6 Explosion view and parts 7 Precaution 8 Names of parts 9 Installation 10 Trouble shooting 11 Introduction R32 R290 air conditioner installation ...

Page 2: ...ble for the interpretation of this information nor can it assume any liability in connection with its use The information specifications and parameter are subject to change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label How to order spare parts To have your order filled promptly and correctly please furnish the...

Page 3: ...r Unit Model A B C D E F G H I J K TAC 09CHSD XPI 770 180 250 700 552 256 439 302 277 8 48 55 TAC 12CHSD XPI 770 180 250 700 552 256 439 302 277 8 48 55 TAC 09CHSD YA11I 770 180 250 712 498 234 415 291 225 48 5 52 TAC 12CHSD YA11I 770 180 250 712 498 234 415 291 225 48 5 52 2 ...

Page 4: ...ry Compressor Accumulator Heat exchange condenser Heat exchange Evaporator 2 way valve Liquid side 3 way valve Gas side Cooling Heating Gas side 3 way valve Liquid side 2 way valve Heat exchange Evaporator Heat exchange condenser Accumulator Compressor 4 way valve Capillary Assembly Check valve 3 ...

Page 5: ...emote controller is preset as Heat Pump automatically Note If the air conditioner you purchased is a Cooling Only one but you preset the remote controller as Heat Pump it doesn t bring any matter But if the air conditioner you purchased is a Heat Pump one and you preset the remote controller as Cooling Only then you CAN NOT preset the Heating operation with the remote controller 8 DISPLAY button I...

Page 6: ...r or load of compressor is abnormity the air conditioner will shut down and show error code 7 IPM module protection IPM module has high temperature over current protection itself if there is signal feedback to IPM the outdoor unit will shut down LED on outdoor PCB will show the error code 2 Feel Mode Operation 1 When the Feel mode is selected the operation mode and initial temperature set are dete...

Page 7: ...in cooling mode the set temperature ST is RT 2 After that t he system will operate in cooling mode with lowest fan speed for 30 minutes and then change to middle speed for 30seconds as a cycle During the course of this operation you can t use remote controller to adjust the fan speed but you can control the vane direction 3 In the dry mode when RT 12 the compressor will stop and operates again at ...

Page 8: ...heat exchanger Temperature OPT is continuously less than 3 while the unit runs for more than 120 minutes and OPT is keeping below 2 for more than 3 minutes Before the air con comes into defrosting compressor running frequency drop down to a lower frequency firstly then the compressor shuts down In defrosting the max frequency of compressor is F9 a little less than the highest frequency In this per...

Page 9: ... indoor unit for function test NOTE Do not press the EMERGEMCY Operation switch during normal operation 8 AUTO RESTART Function Option While air conditioner is operating in one mode all of its operation data such as working mode preset temperature etc would be memorized into IC by main PCB If power supply cut off due to reasons and recover again the AUTO RESTART function will set synchronously and...

Page 10: ...t z Outdoor failure display There is a LED on outdoor power board it blinks 1s ON and 1s OFF while compressor standby and it always light ON while compressor running If there is failure happened on ODU The indicator LED alerts the fault in a cycle as such that it is bright for 0 5 seconds dark for 0 5 seconds blinks n times and then dark for 3 seconds For details as table below Protection Type Fun...

Page 11: ...pressor overheat fault compressor top switch 9 Short circuit open circuit fault of outdoor temperature sensor 10 Short circuit open circuit fault of outdoor heat exchanger temperature sensor 11 Short circuit open circuit fault of exhaust temperature sensor 12 Voltage sensor fault 13 Current sensor fault 14 IPM fault 15 Communication fault between power source board and IPM 16 No feedback from DC f...

Page 12: ...TCL Air Conditioner Service Manual 5 Wiring diagram INDOOR UNIT TAC 09CHSD XPI TAC 12CHSD XPI OUTDOOR UNIT TAC 09CHSD XPI TAC 12CHSD XPI 11 ...

Page 13: ...TCL Air Conditioner Service Manual INDOOR UNIT TAC 09CHSD YA11I TAC 12CHSD YA11I OUTDOOR UNIT TAC 09CHSD YA11I TAC 12CHSD YA11I 12 ...

Page 14: ...003 000060 Indoor Motor Cover 1 14 41105 000104 Electrical Box 1 15 31101 000202 Main PCB 1 16 Transformer 17 42001 000103 Cable Clamp 1 18 22001 000313 Vane Motor 1 19 41199 002740 Base 1 20 41101 000033 Vertical Vane Assembly 2 21 41103 000110 Vane 1 22 41109 000040 Installation Plate 1 23 10104 100014 Indoor Sensor Assembly 1 24 22013 000777 Remote Controller 1 25 32001 000094 Wifi Module 1 26 ...

Page 15: ... base 1 15 92008 000024 Two way valve 1 16 41204 000010 Valve supporter 1 17 92008 000131 Three way valve 1 18 41205 000062 Right plate 1 19 41201 000005 Electrical box cover 1 20 42001 000036 Cable clamp 1 21 11304 100017 Terminal 1 22 31201 000920 Outdoor PCB assembly 1 23 22011 000012 Inductor 1 24 41208 000123 Partition plate 1 25 10104 100033 Pipe Temp sensor and 1 26 10104 100036 Discharge T...

Page 16: ...1101 000242 In And Out Pipe Fixer 1 13 42003 000060 Indoor Motor Cover 1 14 41105 000104 Electrical Box 1 15 31101 000202 Main PCB 1 16 Transformer 17 42001 000103 Cable Clamp 1 18 22001 000313 Vane Motor 1 19 41199 002740 Base 1 20 41101 000033 Vertical Vane Assembly 2 21 41103 000110 Vane 1 22 41109 000040 Installation Plate 1 24 10104 100014 Indoor Sensor Assembly 1 25 22013 000777 Remote Contr...

Page 17: ...bly 1 14 41202 000062 base 1 15 92008 000024 Two way valve 1 16 41204 000010 Valve supporter 1 17 92008 000131 Three way valve 1 18 41205 000062 Right plate 1 19 41201 000005 Electrical box cover 1 20 42001 000036 Cable clamp 1 21 11304 100017 Terminal 1 22 31201 000932 Outdoor PCB assembly 1 23 22011 000012 Inductor 1 24 41208 000145 Partition plate 1 25 10104 100033 Pipe Temp sensor and outdoor ...

Page 18: ...Fixer 1 13 42003 000060 Indoor Motor Cover 1 14 41105 000104 Electrical Box 1 15 31101 000294 Main PCB 1 16 Transformer 17 42001 000103 Cable Clamp 1 18 22001 000313 Vane Motor 1 19 41102 000080 Base 1 20 41101 000034 Vertical Vane Assembly 2 21 41103 000122 Vane 1 22 41109 000047 Installation Plate 1 23 10104 100014 Indoor Sensor Assembly 1 24 22013 000777 Remote Controller 1 25 32001 000096 Wifi...

Page 19: ...o way valve 1 16 41204 000018 Valve supporter 1 17 92008 000146 Three way valve 1 18 41201 000029 Eelectronic Box Cover 1 19 42001 000038 Cable clamp 1 20 11304 100004 Terminal 1 21 31201 000984 Outdoor PCB Assembly 1 22 22011 000002 Inductor 1 23 92007 001891 Capillary assembly 1 24 41208 000141 Partition plate 1 25 10104 100030 Pipe Temp sensor and 1 26 10104 100034 Discharge Temp sensor 1 27 A2...

Page 20: ...41101 000243 In And Out Pipe Fixer 1 13 42003 000060 Indoor Motor Cover 1 14 41105 000104 Electrical Box 1 15 31101 000294 Main PCB 1 16 Transformer 17 42001 000103 Cable Clamp 1 18 22001 000313 Vane Motor 1 19 41102 000080 Base 1 20 41101 000034 Vertical Vane Assembly 2 21 41103 000122 Vane 1 22 41109 000047 Installation Plate 1 23 10104 100014 Indoor Sensor Assembly 1 24 22013 000777 Remote Cont...

Page 21: ...late 1 15 92008 000051 Two way valve 1 16 41204 000018 Valve supporter 1 17 92008 000146 Three way valve 1 18 41201 000029 Eelectronic Box Cover 1 19 42001 000038 Cable clamp 1 20 11304 100004 Terminal 1 21 31201 001003 Outdoor PCB Assembly 1 22 22011 000002 Inductor 1 23 92007 001891 Capillary assembly 1 24 41208 000141 Partition plate 1 25 10104 100030 Pipe Temp sensor and outdoor Temp sensor 1 ...

Page 22: ...n under over voltage category III conditions and these means must be incorporated in the fixed wiring in accordance with the wiring rules The air conditioner must be installed by professional or qualified persons Do not install the appliance at a distance of less than 50 cm from inflammable substances alcohol etc Or from pressurized containers e g spray cans If the appliance is used in areas witho...

Page 23: ... cause an excessive accumulation of dust or waste on the inner parts of the device with possible subsequent failures The user is responsible for having the appliance installed by a qualified technician who must check that it is earthed in accordance with current legislation and insert a thermomagnetic circuit breaker The batteries in remote controller must be recycled or disposed of properly Dispo...

Page 24: ...air could contain gas oil or sulphur or near sources of heat This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Do not climb onto or place any heavy or hot objects o...

Page 25: ...l 2 Air filter 3 Special filter option 4 Display PCB 5 Vertical vane 6 Horizontal vane 7 Remote controller 8 Names of parts Outdoor unit No Name 8 Air outlet grille 9 Electronic box cover 10 2 way valve 11 3 way valve 1 2 3 4 6 5 7 INDOOR UNIT 8 9 10 11 OUTDOOR UNIT 24 ...

Page 26: ...20g m A 5m TAC 09CHSD XPI 3 0 15 20g m TAC 12CHSD XPI 3 5 15 20g m TAC 09CHSD YA11I 3 0 15 20g m TAC 12CHSD YA11I 3 5 15 20g m Connecting cables The power cord should be selected according to the following specifications sheet Appliance Amps Wire Size 5 AWG21 0 75 mm2 10 AWG18 1 0 mm2 13 AWG15 1 5 mm2 18 AWG14 1 6 mm2 25 AWG12 2 0 mm2 30 AWG10 2 5 mm2 Outdoor unit Indoor unit Pipe length is 15 met...

Page 27: ...OOR UNIT Do not install the outdoor unit near sources of heat steam or flammable gas Do not install the unit in too windy or dusty places Do not install the unit where people often pass Select a place where the air discharge and operating sound level will not disturb the neighbours Avoid installing the unit where it will be exposed to direct sunlight other wise use a protection if necessary that s...

Page 28: ...le flange through the hole in the wall to keep the latter intact and clean The hole must slope downwards towards the exterior Note Keep the drain pipe down towards the direction of the wall hole otherwise leakage may occur 9 2 3 Electrical connections Indoor unit 1 Lift the front panel 2 Take off the cover as indicated in the picture by removing a screw or by breaking the hooks 3 For the electrica...

Page 29: ...not bend the pipe more than three times at one point When extending the rolled pipe straighten the pipe by unwinding it gently as shown in the picture 9 2 6 Connections to the indoor unit 1 Remove the indoor unit pipe cap check that there is no debris inside 2 Insert the fare nut and create a flange at the extreme end of the connection pipe 3 Tighten the connections by using two wrenches working i...

Page 30: ...htening procedures described for the indoor unit Note If the tightening torque is not sufficient there will probably be some leakage With excessive tightening torque there will also be some leakage as the flange could be damaged 9 2 10 Bleeding Air and humidity left inside the refrigerant circuit can cause compressor malfunction After having connected the indoor and outdoor units bleed the air and...

Page 31: ...ode display Health assembly control Communication with outdoor unit Louver motor control Indoor fan control Display pc board Indoor control board Voltage sampling Frequency generation Storage of working parameters Emergencyl Switch signal input Remote signal input Fan speed feedback Electric heater control Selection of heat and cool only model Selection of data sheet Selection of Fahrenheit and Ce...

Page 32: ... Electric reactor PC monitor P10 3 W P10 2 V COMP Blue W hite Red T o indoor unit Expansion valve Suction T emp sensor Out door coil T emp sensor Outdoor ambient T emp sensor COM P top T emp protection Exhaust T emp sensor CN12 ORQ P13 L P 14 L P10 1 U P9 CN12 2 P11 1 P11 2 HEAT wu v CN12 1 DC fan motor feedback C N L H CN410 OUTFAN DRM 3 DRM 2 DRM 1 DRM COM CN13 CN11 U405 IPM DN401 rectifier Q403...

Page 33: ...V COMP Red White Blue T o indoor unit Expansion valve Suction T emp sensor Out door coil T emp sensor Outdoor ambient T emp sensor COMP top T emp protection Exhaust T emp sensor CN12 ORQ P13 L P14 L P10 3 W P9 DCFAN CN11 HEAT DRM1 DRM COM DRM2 DRM3 CN13 U603 IPM Q403 IGBT DN401 rectifier D412 Fast recovery diode Indoor unit outdoor unit Power supply compressor Indoor unit PCB Outdoor unit PCB Live...

Page 34: ...l temperature sensor IPT damage short or broken Solution check the resistance of the sensor R 25 5 kΩ if short or broken please replace it 3 The PCB fail Solution Replace the indoor main PCB 10 5 2Display E6 Reasons 1 The indoor motor connection terminal loose or not plugged in Solution Check the connecter of indoor motor and slot CN3 and CN4 if loose or not plugged in please connect again 2 The i...

Page 35: ... Solution Check the connecter of sensor and slot if loose or not plugged in please connect again 2 Outdoor pipe temp sensor outdoor temp sensor exhaust temp sensor damage short or broken Solution Check and replace the sensor 3 Outdoor PCB damage Solution Check and replace the outdoor PCB 10 5 4 Display E8 Reasons 1 Outdoor discharge pipe temp sensor connection terminal loose or not plugged in Fail...

Page 36: ...f E0 fault If the voltage is 0 please replace indoor main PCB 2 If the 1 N which connect to indoor unit voltage is normal measure the voltage between the outdoor terminal 1 and N If the voltage change occurs between 0 24V change pulse voltage please replace outdoor PCB 3 If the 1 N which connect to indoor unit voltage is normal measure the voltage between the outdoor terminal 1 and N If the voltag...

Page 37: ...r PCB 10 5 6 Display EA Reason Current sensor fault Solution 1 Check for refrigerant leakage to find the leakage point and recharge the refrigerant 2 Current sampling circuit broken on the outdoor PCB and replace outdoor PCB 10 5 7 Display E9 first display P0 or P9 Reason Outdoor PCB drive circuit damage Communication circuit 1 N L Any of 2 pins should be no short circuit Any of 2 pins should be n...

Page 38: ...installation again 5 If the above inspections are normal but the fault remains unsolved please replace the outdoor PCB Re energize and check the protection code on display Firstly display P9 a Check the U V W connection if is correctness or loose please connect again b If this code is displayed when the compressor is started for several seconds or even not started check the compressor connection f...

Page 39: ...ror occurs Clean indoor or outdoor heat exchange Clean indoor heat exchange and outdoor heat exchange Check the refrigerant amount Check the installation condition Installation again P9 Use the remote operates the air conditioner Does compressor start up No Does the wire connects right No Connects wire again Yes Open Does low or high press valve opened Operates again after 3 Mins Yes Yes No Compre...

Page 40: ...ace P WB Cooling mode Check compressor Modify compressor terminal marking Replace PWB Does compressor rotates Replace compressor Check indoor exchange sensor and discharge sensor Modify or replace the sensor Check outdoor exchange sensor and discharge sensor Modify or replace the sensor Check indoor heat exchange Check outdoor heat exchange Clean indoor heat exchange Clean outdoor heat exchange Ch...

Page 41: ... L N voltage Yes OK No OK Check the rectifier bridge fast recovery diode FRD and IGBT Solve as E0 Check wire connected and replace indoor PCB Normal Abnormal Replace PFC board or outdoor PCB assembly Test the DC voltage between DC and DC Damage Normal If the voltage is approx 300V If the voltage is approx zero Replace power supply board or outdoor PCB assembly Replace PFC board or outdoor PCB asse...

Page 42: ...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 22 671 4 082 35 3 435 2 012 80 0 795 0 675 9 21 606 4 045 36 3 313 1 969 81 0 773 0 658 8 20 598 4 008 37 3 195 1 926 82 0 751 0 641 7 19 644 3 969 38 3 082 1 883 83 0 729 0 625 6 18 732 3 930 39 2 974 1 842 8...

Page 43: ...047 2 109 21 170 7 192 5 217 33 13 25 14 18 15 17 87 1 922 1 983 2 045 20 161 6 182 1 205 34 12 72 13 6 14 54 88 1 861 1 922 1 983 19 153 1 172 3 193 7 35 12 21 13 05 13 93 89 1 802 1 862 1 923 18 145 163 1 183 2 36 11 72 12 52 13 36 90 1 746 1 805 1 865 17 137 5 154 4 173 2 37 11 26 12 01 12 81 91 1 692 1 75 1 809 16 130 3 146 2 163 9 38 10 82 11 53 12 29 92 1 639 1 697 1 755 15 123 6 138 5 155 1...

Page 44: ... 0 8641 10 36 04 39 39 43 01 64 4 101 4 288 4 479 118 0 7623 0 8012 0 8413 11 34 42 37 59 41 65 3 961 4 139 4 32 119 0 7415 0 7798 0 8193 12 32 89 35 87 39 1 66 3 827 3 995 4 167 120 13 31 43 34 25 37 29 67 3 698 3 858 4 021 121 0 702 0 7386 0 7773 14 30 04 32 71 35 58 68 122 0 6631 0 7195 0 7572 15 29 72 31 24 33 95 69 123 0 6649 0 7007 0 7378 16 70 3 339 3 476 3 616 124 0 6472 0 6824 0 7189 17 7...

Page 45: ...ge in a room in kg M is the refrigerant charge amount 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 calculating mmax or Amin 1 8 m for wall mounted Table GG 1 Maximum charge kg Category LFL kg m3 h0 m Floor area m2 4 7 10 15 20 30 50 R290 0 038 0 6 0 05 ...

Page 46: ...8 for R32 which easily produces open fire include welding smoking drying oven When installing an air conditioner of R32 R290 it is necessary to take appropriate anti static measures such as wear anti static clothing and gloves It is necessary to choose the location for installation or maintenance where in the air inlets and outlets of the indoor and outdoor units should be not surrounded by obstac...

Page 47: ... of dry powder carbon dioxide and foam fire extinguishers and that such fire extinguishers should be placed at stipulated positions with eye catching labels and in handy places Maintenance 1 Inspections before maintenance 1 Inspection of maintenance environment There should be no leaked refrigerant in the room before operation It is only allowed to operate in a room which meets the area requiremen...

Page 48: ...nance It is prohibited to weld the refrigerant pipe and do other operations on the user s site It is necessary to return the air conditioner to its initial state if it is necessary to provide visiting service again due to lacking spare part during the maintenance Moreover it is a must to ensure that the refrigerating system is in secure ground connection If it is necessary to provide visiting serv...

Page 49: ...se a special leak detector to check whether the maintained electrical parts location have the leak refrigerant It is not allowed to refit remove or cancel any component with the safety protection function after finishing the maintenance process When maintaining the sealed parts it is necessary to turn off the power of air conditioner before opening the sealing cover When power supply is needed it ...

Page 50: ...from approaching The professional firefighters should wear anti static clothing to handle the emergency on the site and cut off the source of leak It is necessary to use nitrogen for blowing the site especially the low lying positions clear away the residual combustible refrigerant gas from any area nearby and surrounding the leak point and use a handheld detector for detection and not clear the a...

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