TCL Free Match FMA-18I2HD/DVO Service Manual
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TCL Free Match FMA-18I2HD/DVO Service Manual

Inverter air conditioner
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Table of Contents

Free Match Inverter air conditioner
Service Manual
Models
FMA-18I2HD/DVO
CONTENTS
2.
3.
4.
5.
6.
7.
8.
9.
10.
Air Conditioner Service Manual
FMA-27I3HD/DVO

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Summary of Contents for TCL Free Match FMA-18I2HD/DVO

  • Page 1: Table Of Contents

    Air Conditioner Service Manual Free Match Inverter air conditioner Service Manual Models FMA-18I2HD/DVO FMA-27I3HD/DVO 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 TAC-09CHSD/XA41-I TAC-12CHSD/XA41-I Cassette type Duct type Model 7/9/12K...
  • Page 4 Air Conditioner Service Manual Outdoor Unit: Outdoor unit Model FMA-18I2HD/DVO 327.5 FMA-27I3HD/DVO...

  • 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 ON/OFF button Remote controller To switch the conditioner on and off. ECO button In cooling mode,press this button ,the temperature will increase 2 on the base of setting temperature: In heating mode, press this button, the temperature will decrease 2 on the base of setting temperature.
  • 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: TAC-09CHSD/XA41-I, TAC-12CHSD/XA41-I INDOOR UNIT:...
  • Page 18 Air Conditioner Service Manual Parts list Wall split type-TAC-09CHSD/XA41-I Part No. Part Name Remark Q’ty 210838031 Installation Plate 210755108C Base 210701880 Vertical Vane Assembly 210737655 Cross Fan 1070100010 Bearing Mount 211237323B Evaporator 210755110 Face Frame 210701846 Screw Cover 210737659 Vane 210701863C Air Filter 210705767...
  • Page 19 Air Conditioner Service Manual Wall split type-TAC-12CHSD/XA41-I Part No. Part Name Remark Q’ty 210838031 Installation Plate 210755108C Base 210701880 Vertical Vane Assembly 210737655 Cross Fan 1070100010 Bearing Mount 211237323B Evaporator 210755110 Face Frame 210701846 Screw Cover 210737659 Vane 210701863C Air Filter 210705767 Display PCB Box 210901127S...
  • Page 20 Air Conditioner Service Manual OUTDOOR UNIT: FMA-18I2HD/DVO, FMA-27I3HD/DVO...
  • Page 21 Air Conditioner Service Manual Outdoor uint-FMA-18I2HD/DVO Part No. Part Name Remark Q’ty 210701820 Grille 210800251 Top cover 211244795 Condenser 1080050130 Outdoor motor supporter 210900219 Outdoor motor 1070030054AA Propeller fan 1081990053 Left grille supporter 210800250 Front plate 210754610 Fan guard 211239451 Compressor and accessories 1120110016J 4-way valve...
  • Page 22 Air Conditioner Service Manual Outdoor uint-FMA-27I3HD/DVO Part No. Part Name Remark Q’ty 1071990041 Grille 1080020023 Top cover 211242298 Condenser 1080050112 Outdoor motor supporter 1170040166D Outdoor motor 1070030059 Propeller fan 1081990040 Left grille supporter 1080050103 Front plate 210754611 Fan guard 211239226 Compressor and accessories 1120500226J 4-way valve...

  • Page 23: 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 24 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 25 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 26: 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 27 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 28 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 29: Installation

    Air Conditioner Service Manual 10. Installation manual 10.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid FMA-18I2HD/DVO FMA-27I3HD/DVO Outdoor uint Indoor uint Pipe lenght is Pipe lenght is 25 meters Max 25 meters Max Indoor uint Outdoor uint Refrigerant piping Additional refrigerant B Mode Standard length: m...
  • Page 30 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 31 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 32 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 33 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 34 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 35: 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 36 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 37 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 38 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 39 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 40 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 41 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 42 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 43 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 44 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 45 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 46 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 47 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...

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Free match fma-27i3hd/dvoFree match tac-09chsd/xa41-iFree match tac-12chsd/xa41-i

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