TCL TACM2O-28HIA Service Manual
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TCL TACM2O-28HIA Service Manual

Free match inverter air conditioner
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Free Match Inverter air conditioner
Service Manual
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TACM2O-14HIA
TACM2O-21HIA
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Air Conditioner Service Manual
TACM2O-18HIA
TACM2O-28HIA
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Summary of Contents for TCL TACM2O-28HIA

  • Page 1: Table Of Contents

    Air Conditioner Service Manual Free Match Inverter air conditioner Service Manual Models TACM2O-14HIA TACM2O-18HIA TACM2O-21HIA TACM2O-28HIA CONTENTS 1. Important Notice Product Dimensions Refrigeration cycle diagram Operation details Wiring diagram Explosion view and parts Precaution Names of parts Installation Trouble shooting...

  • 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. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 3: Product Dimensions

    Air Conditioner Service Manual 3. Product Dimensions Indoor Unit: Wall split type Model Cassette type Duct type Model 7/9/12K...
  • Page 4 Air Conditioner Service Manual Outdoor Unit: Outdoor unit Model 14000BTU 327.5 18000BTU 327.5 21000BTU 24000BTU...

  • Page 5: Refrigeration Cycle Diagram

    Air Conditioner Service Manual 4. Refrigeration cycle diagram TIN1 PMV1 PMV2 TIN2 PMV3 CONDENSER TIN3 PMV4 TIN4 T2B1 T2B2 T2B3 T2B4 liquid storage Optional...

  • Page 6: Operation Details

    Air Conditioner Service Manual 5. Operation details Remote controller ON/OFF button Used to star and stop operation when pressed. Swing control button Used to adjust airflow direction FAN SPEED control button Used to select the indoor fan motor speed: AUTO, High, Mid and Low UP button Used to decrease the set room temperature and time.
  • Page 7 Air Conditioner Service Manual Electronic Controller Safety Protection (1) Time Delay for Safety protection 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting  to balance the pressure in the refrigeration cycle in order to protect the compressor. 150 seconds delay for 4-way valve---The 4-way valve will be ceased for 150 seconds ...
  • Page 8 Air Conditioner Service Manual In the “Feel” mode, when the controller receives the up or down signal of temperature, the set  temperature can adjust by 1℃ upper or lower. The biggest you can adjust by 2℃ upper or lower. 3.
  • Page 9 Air Conditioner Service Manual Indoor pipe Temperature Temperature up Setting ℃ ℃ Low fan ℃ ℃ Breeze ℃ Stop ℃ Temperature down In heating operation, if air conditioner turn off, the indoor fan motor will run most for 30  seconds since the stop of compressor.
  • Page 10 Air Conditioner Service Manual 45 minutes. d. When -15℃≤ FrostDeg < -13℃, and OPT < FrostDeg , the .2 times defrosting interval time is 65 minutes. e. When -15℃≤ FrostDeg < -10℃, and OPT < FrostDeg , the .2 times defrosting interval time is 75 minutes.
  • Page 11 Air Conditioner Service Manual When selecting HEATING operation with SLEEP mode, the set temperature will be dropped  by 1℃1 hour later and 2℃ 2 hours later, after 3 hours, the set temperature will be dropped by 3℃ and keep 2 hours. And then the temperature is Set-2℃, after 1 hour, the temperature is set temperature and keep.
  • Page 12 Air Conditioner Service Manual Error list  CASSETTE Outdoor light Indoor LED Failure Type blink time (n) LED1 LED2 LED3 LED4 Code ● ● ● ◎ Indoor and outdoor communication failure ◎ ◎ ● ● Outdoor communication failure ● ● ●...
  • Page 13 Air Conditioner Service Manual 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”...

  • Page 14: Wiring Diagram

    Air Conditioner Service Manual 6. Wiring diagram INDOOR UNIT: Wall split type: Cassette, Duct type:...
  • Page 15 Air Conditioner Service Manual OUTDOOR UNIT ONE TO 2 TYPE: ONE TO 3TYPE:...
  • Page 16 Air Conditioner Service Manual ONE TO 4 TYPE...

  • Page 17: Explosion View And Parts

    Air Conditioner Service Manual 7. Explosion view and parts WALL SPLIT TYPE: TACM-09HRIA/EW, TACM-12HRIA/EW INDOOR UNIT:...
  • Page 18 Air Conditioner Service Manual Parts List Wall split type- TACM-09HRIA/EW Part No. Part Name Remark Q’ty 1080030021 Installation Plate 210737661G Base 210701883 Vertical Vane Assembly 210738167 Left Vertical Vane Connector 210737671 Vane 210737666 Cross Fan 1070100010 Bearing Mount 211236178G Evaporator 210737669 Face Frame 210701846...
  • Page 19 Air Conditioner Service Manual Wall split type- TACM-12HRIA/EW Part No. Part Name Remark Q’ty 1080030021 Installation Plate 210737661G Base 210701883 Vertical Vane Assembly 210738167 Left Vertical Vane Connector 210737671 Vane 210737666 Cross Fan 1070100010 Bearing Mount 211236178G Evaporator 210737669 Face Frame 210701846 Screw Cover 210703004...
  • Page 20 Air Conditioner Service Manual WALL SPLIT TYPE: TACM-09HRIA/E1, TACM-12HRIA/E1 INDOOR UNIT:...

  • Page 21: Vertical Vane Assembly

    Air Conditioner Service Manual Wall split type- TACM-09HRIA/E1 Part No. Part Name Remark Q’ty 1080030021 Installation Plate 210737661D Base 210701880C Vertical Vane Assembly 210737666 Cross Fan 1070100010 Bearing Mount 211236178G Evaporator 210737669 Face Frame 210701846 Screw Cover 210737672 Vane 210703004 Air Filter 210705767 Display PCB Box...
  • Page 22 Air Conditioner Service Manual Wall split type- TACM-12HRIA/E1 Part No. Part Name Remark Q’ty 1080030021 Installation Plate 210737661D Base 210701880C Vertical Vane Assembly 210737666 Cross Fan 1070100010 Bearing Mount 211236178G Evaporator 210737669 Face Frame 210701846 Screw Cover 210737672 Vane 210703004 Air Filter 210705767 Display PCB Box...
  • Page 23 Air Conditioner Service Manual CASSETTE TYPE: INDOOR UNIT:...
  • Page 24 Air Conditioner Service Manual Cassette type- TQCM-12HRIA,TQCM-12HRIA Part NO. Part Name Remark Indoor chassis 230900366 Indoor motor 230701325 Indoor fan Base of evaporator Evaporator Capacitor of indoor motor 1170200061 Terminal Drain pan Panel 230701669 Vane 230904459 Display PCB 230904486 Swing motor Inductor 230901784A 230901484A...
  • Page 25 Air Conditioner Service Manual Cassette type- TQCM-18HRIA Part NO. Part Name Remark Indoor chassis 230900366 Indoor motor 230701325 Indoor fan Base of evaporator Evaporator Capacitor of indoor motor 1170200061 Terminal Drain pan 230701669 Panel Vane 230904459 Display PCB 230904486 Swing motor Inductor 230901784A 230901484A...
  • Page 26 Air Conditioner Service Manual DUCT TYPE: INDOOR UNIT: 14 15 16...

  • Page 27: Installation

    Air Conditioner Service Manual DUCT TYPE- :TDCM-07HRIA, TDCM-09HRIA Part NO. Part Name Remark 230801045 Front plate 230801031 Indoor chassis 230700620 Drain pan 230801046 Inlet plate 231202769A Evaporator 230801080 Left plate 230800420 Installation holder 230801118 Space plate 230801442 Motor supporter 230700626 Down Vortex 230801048 Indoor fan...
  • Page 28 Air Conditioner Service Manual DUCT TYPE- :TDCM-12HRIA Part NO. Part Name Remark 230801045 Front plate 230801031 Indoor chassis 230700620 Drain pan 230801046 Inlet plate 231202769A Evaporator 230801080 Left plate 230800420 Installation holder 230801118 Space plate 230801442 Motor supporter 230700626 Down Vortex 230801048 Indoor fan 230700628...
  • Page 29 Air Conditioner Service Manual DUCT TYPE- :TDCM-18HRIA Part NO. Part Name Remark 230801044 Front plate 230801032 Indoor chassis 230700621 Drain pan 230801052 Inlet plate 231202183A Evaporator 230801080 Left plate 230800420 Installation holder 230801116 Space plate 230801443 Motor supporter 3070060021 Down Vortex 3070020001A Indoor fan 3070060020...
  • Page 30 Air Conditioner Service Manual OUTDOOR UNIT:...
  • Page 31 Air Conditioner Service Manual OUTDOOR UNIT- TACM2O-14HIA Part No. Part Name Remark Q’ty 210701820 Grille 210800251 Top cover 231235682 Condenser 1080050130 Outdoor motor supporter 210900219 Outdoor motor 1070030054AA Propeller fan 1081990053 Left grille supporter 210800250 Front plate 210701513 Fan guard 211203447 Compressor and accessories 1120110016A...
  • Page 32 Air Conditioner Service Manual OUTDOOR UNIT- TACM2O-18HIA Part No. Part Name Remark Q’ty 210701820 Grille 210800251 Top cover 231235682 Condenser 1080050130 Outdoor motor supporter 210900219 Outdoor motor 1070030054AA Propeller fan 1081990053 Left grille supporter 210800250 Front plate 210701513 Fan guard 211232717 Compressor and accessories 1120110016A...
  • Page 33 Air Conditioner Service Manual OUTDOOR UNIT- TACM3O-21HIA Part No. Part Name Remark Q’ty 1071990041 Grille 1080020023 Top cover 231235780 Condenser 1080050112 Outdoor motor supporter 1170040166D Outdoor motor 1070030059 Propeller fan 1081990040 Left grille supporter 1080050103 Front plate 1080050105 Fan guard 211232717 Compressor and accessories 1120500226A...
  • Page 34 Air Conditioner Service Manual OUTDOOR UNIT- TACM4O-28HIA Part No. Part Name Remark Q’ty 1071990041 Grille 230800156 Top cover 231235638 Condenser 230801220 Outdoor motor supporter 230901010 Outdoor motor 230700625 Propeller fan 230801134 Left grille supporter 234102065 Front plate 210702363 Fan guard 211205870 Compressor and accessories 1120500226A...

  • Page 35: Precaution

    Air Conditioner Service Manual 8. Precaution 8.1 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 ...
  • Page 36 Air Conditioner Service Manual without supervision. 8.2 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.
  • Page 37 Air Conditioner Service Manual 8.3 SAFETY RULES AND PROHIBITIONS  Do not bend, tug or compress the power cord since this could damage it. Electrical shocks or fire are probably due to a damaged power cord. Specialized technical personnel only must replace a damaged power cord.

  • Page 38: Names Of Parts

    Air Conditioner Service Manual 9. Names of parts Wall split type INDOOR UNIT Indoor unit 2-3 4 Name Front panel Air filter Special filter(option) Display PCB Vertical vane Horizontal vane Remote controller Outdoor unit Name Air outlet grille Electronic box cover 2-way valve 3-way valve OUTD OOR UNIT...
  • Page 39 Air Conditioner Service Manual Cassette type Indoor Unit Outdoor Unit Display INF RARED SIG N AL REC EIVER LIGHTING ON PRE -DEF indic ator T imer ind icato r Pum p ind ica tor Ope ration ind icator O N when pres et time fo r switc hing ON /OF F the unit Time r indica to r Ope ration ind icat or ON w hen the uni t is power o n...
  • Page 40 Air Conditioner Service Manual Duct type Indoor Unit Outdoor Unit DISPLAY Defrosting/ preheat light Manual Sw itch Nixie tube Running light Timing light warning light...

  • Page 41: Installation

    Air Conditioner Service Manual 10. Installation manual 10.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid Indoor unit Outdoor unit Pipe length i s Pipe length is 20 meters Max. 20 meters Max. In doo r uni t Outdoor unit Refrigerant piping Additional refrigerant Mode...
  • Page 42 Air Conditioner Service Manual Installation for the first time 10.2 Indoor unit Wall type:  Install the indoor unit level on a strong wall that is not subject to vibrations  The inlet and outlet ports should not be obstructed: the air should be able to blow all over the room.
  • Page 43 Air Conditioner Service Manual hanging screw bolts. Ti mber ove r the b eam Roof beam Ce ili ng Hangi ng Screw B o l t For finished concrete bricks 300mm Install the hanging hook with expansible bolt into the concrete deep to 45~50mm to prevent loose.
  • Page 44 Air Conditioner Service Manual cassette end of it should be connected to return air window. In case of underside air intake, purchase or  Le vel Indi cator fabricate a section of pleated canvas air conduit serving as transition joint for return air Han ging Sc rew Bolt orifice and return air window.
  • Page 45 Air Conditioner Service Manual 5).The cable connecting the outdoor and indoor  When extending the rolled pipe, straighten units must be suitable for outdoor use. the pipe by unwinding it gently as shown in 6).The plug must be accessible also after the the picture.
  • Page 46 Air Conditioner Service Manual For Cassette and Duct type tightening torque there will also be some leakage, The drain pipe of indoor unit must have the as the flange could be damaged.  heat insulation , or it will condense dew, as connection pipes well as the connections of the indoor unit.

  • Page 47: Trouble Shooting

    Air Conditioner Service Manual 11. Trouble shooting 11.1 Outdoor control diagram 11.2 The structure of ODU PCB ONE TO 2 TYPE Sensor Expansion Compressor 4-way valve Motor circuit valve driving Communication Communication Communication LP HP LP HP Communication Switch power supply Switch power supply Rectifying filtering Filter circuit for...
  • Page 48 Air Conditioner Service Manual ONE TO 3/4 TYPE: Expansion Sensor 4-Way valve Compressor valve circuit LP HP Motor driving Switch power supply Communication EEPROM Rectifying filtering Filter circuit for circuit heavy current 11.3 Examples of repairing 11.3.1 Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in.
  • Page 49 Air Conditioner Service Manual Fail 3) The PCB fail. Solution: Replace the indoor main PCB. 11.3.2 Display 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.
  • Page 50 Air Conditioner Service Manual 11.3.3 Display E3, E7 Reasons: 1) Outdoor pipe temp sensor, outdoor temp sensor & exhaust temp sensor connection terminal loose or not plugged in. 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 &...
  • Page 51 Air Conditioner Service Manual terminal L and N (before display of 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 1A, 1B, 1C, 1D and N.
  • Page 52 Air Conditioner Service Manual Any of 2 pins should be no short circuit Any of 2 pins should be no short circuit Any of 2 pins should be no short circuit 6) Test the DC voltage between DC+ and DC-. If the voltage is less than 50V approximately, please replace outdoor PCB.
  • Page 53 Air Conditioner Service Manual Heat radiation problem easily happened while the screw is not fixed tightly. Fixing screw 3) Check the system pressure, recharge refrigerant if the pressure is low, and discharge some refrigerant if the pressure is too high. 4) Check the outdoor ventilation and if there is any obstruction that affects the normal radiating of the air conditioner, and installation again.
  • Page 54 Air Conditioner Service Manual 11.4 MALFUNCTION (PARTS) CHECK METHOD 11.4.1 Procedure for determining defective outdoor unit IPM/compressor The following flow chart shows a procedure for locating the cause of a malfunction when the compressor does not start up and a DC overcurrent indication error occurs. Use the remote operates the air conditioner Does the wire...
  • Page 55 Air Conditioner Service Manual 11.4.2 DC Over Current Error Error memory is recorded Start Are valves (2-way or 3-war) close? Full open stop valves Does compressor rotates? Does compressor rotates more than 30 seconds? floating IPM PWB from the heat sink? with screws IPM PWB...
  • Page 56 Air Conditioner Service Manual 11.4.3 E0,E5 Error Replace inverter board and power Display E5 Start supply board or outdoor PCB assembly Display E0 Display E5 Display E5 Shut off power and supply Shut off power Replace inverter board and supply again again and observe 10 Mins Display E0...
  • Page 57 Air Conditioner Service Manual 11.5 THERMISTOR TEMPERATURE CHARACTERISTICS 1. Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of ℃ ℃ ℃ (k Ohm) resistance (k Ohm) resistance (k Ohm)
  • Page 58 Air Conditioner Service Manual ℃ Resistance at 25 : wall split type 5 kΩ, cassette and duct 10kΩ. 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. 2.
  • Page 59 Air Conditioner Service Manual 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651 5.947 6.253 0.9833 1.028 1.074 52.49 57.81 63.61 5.449...

This manual is also suitable for:

Tacm2o-18hiaTacm2o-21hiaTacm2o-14hia

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