TCL FMA-09CHSD/DVI Service Manual
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TCL FMA-09CHSD/DVI Service Manual

Multi inverter air conditioner
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TCL
Service Manual
Models
FMA-09CHSD/DVI
FMA-09CRD/DVI(Q4)
FMA-18CRD/DVI(Q4)
FMA-12D5RD/DVI
FMA-18I2HD/DVO
FMA-30I4HD/DVO
CONTENTS
11.
TCL Air Conditioner Service Manual
Multi Inverter air conditioner
FMA-12CHSD/DVI
FMA-12CRD/DVI(Q4)
FMA-09D5RD/DVI
FMA-18D5RD/DVI
FMA-27I3HD/DVO

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Summary of Contents for TCL FMA-09CHSD/DVI

  • Page 1: Table Of Contents

    TCL Air Conditioner Service Manual Multi Inverter air conditioner Service Manual Models FMA-09CHSD/DVI FMA-12CHSD/DVI FMA-09CRD/DVI(Q4) FMA-12CRD/DVI(Q4) FMA-18CRD/DVI(Q4) FMA-09D5RD/DVI FMA-12D5RD/DVI FMA-18D5RD/DVI FMA-18I2HD/DVO FMA-27I3HD/DVO FMA-30I4HD/DVO CONTENTS 1. Important Notice 2. Product Dimensions 3. Refrigeration cycle diagram 4. Operation details 5. Wiring diagram 6.

  • Page 2: Important Notice

    TCL 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

    TCL Air Conditioner Service Manual 2. Product Dimensions Indoor Unit: Wall split type Model FMA-09CHSD/DVI FMA-12CHSD/DVI Cassette type Duct type Model 7/9/12K...
  • Page 4 TCL Air Conditioner Service Manual Outdoor Unit: Outdoor unit Model FMA-18I2HD/DVO 327.5 FMA-27I3HD/DVO FMA-30I4HD/DVO...

  • Page 5: Refrigeration Cycle Diagram

    TCL Air Conditioner Service Manual 3. Refrigeration cycle diagram TIN1 PMV1 PMV2 TIN2 PMV3 CONDENSER TIN3 PMV4 TIN4 T2B1 T2B24 T2B3 T2B4 liquid storage Optional...

  • Page 6: Operation Details

    TCL Air Conditioner Service Manual 4.OPERATION DETAILS Remote controller 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 TCL Air Conditioner Service Manual Electronic Controller 1. 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.
  • Page 8 TCL 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.
  • Page 9 TCL 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 TCL Air Conditioner Service Manual c. When -13℃≤ FrostDeg < -10℃, and OPT < FrostDeg , the .2 times defrosting interval time is 45 minutes. d. When -15℃≤ FrostDeg < -13℃, and OPT < FrostDeg , the .2 times defrosting interval time is 65 minutes.
  • Page 11 TCL Air Conditioner Service Manual temperature is set temperature and keep.  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℃...
  • Page 12 TCL 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 TCL Air Conditioner Service Manual  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”...

  • Page 14: Wiring Diagram

    TCL Air Conditioner Service Manual 5. Wiring diagram INDOOR UNIT: Wall split type: FMA-09CHSD/DVI FMA-12CHSD/DVI Cassette, Duct type: FMA-09CRD/DVI(Q4) FMA-12CRD/DVI(Q4) FMA-18CRD/DVI(Q4)     FMA-09D5RD/DVI FMA-12D5RD/DVI FMA-18D5RD/DVI ...
  • Page 15 TCL Air Conditioner Service Manual OUTDOOR UNIT ONE TO 2 TYPE: FMA-18I2HD/DVO ONETO 3TYPE: FMA-27I3HD/DVO...
  • Page 16 TCL Air Conditioner Service Manual ONE TO 4 TYPE: FMA-30I4HD/DVO...

  • Page 17: Explosion View And Parts

    TCL Air Conditioner Service Manual 6. Explosion view and parts Indoor Unit- FMA-09CHSD/DVI Part No. Part Name Q’ty Remark 41106-002236 Front Panel 42008-000037 Air Filter 41106-002371 Face Frame 41201-000068 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-002804...
  • Page 18 TCL Air Conditioner Service Manual Indoor Unit- FMA-12CHSD/DVI Part No. Part Name Q’ty Remark 41106-002236 Front Panel 42008-000037 Air Filter 41106-002371 Face Frame 41201-000068 Electrical Box Cover 31102-000084 Display PCB 42003-000001 Display PCB Box 92011-002804 Evaporator 41108-000066 Screw Cover 42004-000039...
  • Page 19 TCL Air Conditioner Service Manual Indoor Unit- FMA-09CRD/DVI(Q4) Part No. Part Name Q’ty Remark indoor chasiss 22001-000197 indoor motor 230701325 indoor fan base of evaporator evaporator capacitor of indoor motor 11304-100017 terminal drain pan A2007-000108 panel vane 32801-000002 display PCB...
  • Page 20 TCL Air Conditioner Service Manual Indoor Unit- FMA-12CRD/DVI(Q4) Part No. Part Name Q’ty Remark indoor chasiss 22001-000197 indoor motor 230701325 indoor fan base of evaporator evaporator capacitor of indoor motor 11304-100017 terminal drain pan A2007-000108 panel vane 32801-000002 display PCB...
  • Page 21 TCL Air Conditioner Service Manual Indoor Unit- FMA-18CRD/DVI(Q4) Part No. Part Name Q’ty Remark indoor chasiss 22001-000197 indoor motor 230701325 indoor fan base of evaporator evaporator capacitor of indoor motor 11304-100017 terminal drain pan A2007-000108 panel vane 32801-000002 display PCB...
  • Page 22 TCL Air Conditioner Service Manual Indoor Unit- FMA-09D5RD/DVI Part No. Part Name Q’ty Remark 41399-000037 Median plate 41205-000112 Left plate assembly Up foam shell 41304-000022 Down foam shell Indoor fan 22001-000173 Indoor fan motor 41214-000173 Supporter for fan motor 41214-000252...
  • Page 23 TCL Air Conditioner Service Manual Indoor Unit- FMA-12D5RD/DVI Part No. Part Name Q’ty Remark 41399-000037 Median plate 41205-000112 Left plate assembly Up foam shell 41304-000022 Down foam shell Indoor fan 22001-000173 Indoor fan motor 41214-000173 Supporter for fan motor 41214-000252...
  • Page 24 TCL Air Conditioner Service Manual Indoor Unit- FMA-18D5RD/DVI Part No. Part Name Q’ty Remark 41399-000036 Median plate 41205-000112 Left plate assembly 41214-000704 Up foam shell 41214-000705 Down foam shell 42004-000149 Indoor fan 22001-000173 Indoor fan motor 41214-000174 Supporter for fan motor...
  • Page 25 TCL Air Conditioner Service Manual Outdoor Unit - FMA-18I2HD/DVO Part No. Part Name Q’ty Remark 42011-000118 Grille 41207-000022 Top cover 92011-000676 Condenser 41203-000043 Outdoor motor supporter 22001-000042 Outdoor motor 42004-000071 Propeller fan 41205-000128 Left grille supporter 41206-000036 Front plate 42011-000086...
  • Page 26 TCL Air Conditioner Service Manual Outdoor Unit - FMA-27I3HD/DVO Part No. Part Name Q’ty Remark 42011-000111 Grille 41207-000020 Top cover 92011-000655 Condenser 41203-000041 Outdoor motor supporter 22001-000083 Outdoor motor 42004-000069 Propeller fan 41205-000127 Left grille supporter 41206-000033 Front plate 42011-000087...
  • Page 27 TCL Air Conditioner Service Manual Outdoor Unit - FMA-32I4HD/DVO Part No. Part Name Q’ty Remark 42011-000121 Grille 41399-000010 Top cover 92011-001724 Condenser 41203-000027 Outdoor motor supporter 22001-000070 Outdoor motor 42004-000095 Propeller fan 41205-000123 Left grille supporter 41206-000021 Front plate 42011-000103...

  • Page 28: Precaution

    TCL Air Conditioner Service Manual 7. Precaution 7.1 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 29 TCL Air Conditioner Service Manual without supervision. 7.2 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 30 TCL Air Conditioner Service Manual  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 31: Names Of Parts

    TCL Air Conditioner Service Manual 8. 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...
  • Page 32 TCL Air Conditioner Service Manual Cassette type Indoor Unit Outdoor Unit Display I NF RA RE D SIG N AL REC EI VE R LIGHTING ON PRE -DEF indic ator T imer ind icato r Pum p ind ica t or...
  • Page 33 TCL Air Conditioner Service Manual Duct type Indoor Unit Outdoor Unit DISPLAY Defrosting/ preheat light Manual Switch Nixie tube Running light Timing light warning light...

  • Page 34: Installation

    TCL Air Conditioner Service Manual 9. Installation manual 9.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid FMA-09CHSD/DVI FMA-12CHSD/DVI FMA-09CRD/DVI(Q4) FMA-12CRD/DVI(Q4) FMA-09D5RD/DVI FMA-09D5RD/DVI FMA-18CRD/DVI(Q4) FMA-18D5RD/DVI Indoor unit Outdoor unit Pipe length i s Pipe length is 15 meters Max.
  • Page 35 TCL Air Conditioner Service Manual 9.2 Installation for the first time 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 36 TCL Air Conditioner Service Manual Ti mber ove r the b eam Ro o f b eam Ce ili ng Ha ngi ng Screw B o l t For finished concrete bricks Install the hanging hook with expansible bolt into the 300mm concrete deep to 45~50mm to prevent loose.
  • Page 37 TCL Air Conditioner Service Manual cassette  In case of underside air intake, purchase or fabricate a section of pleated canvas air conduit serving as transition joint for return air orifice Le vel Indi cator and return air window. in this way, it can be...
  • Page 38 TCL Air Conditioner Service Manual 7).An efficient earth connection must be ensured. 8).If the power cable is damaged, it must be replaced by an authorized Service Centre. Front panel 9.2.6 Connections to the indoor unit 1).Remove the indoor unit pipe cap (check that Wiring diagram there is no debris inside).
  • Page 39 TCL Air Conditioner Service Manual heat insulation , or it will condense dew, as well connection pipes as the connections of the indoor unit.  The declivity of the drain pipe downwards should not be over 1/100, and no winding and flare nuts bending.

  • Page 40: Trouble Shooting

    TCL Air Conditioner Service Manual 10. Trouble shooting 10.1 Outdoor control diagram 10.2 The structure of ODU PCB ONE TO 2 TYPE        Sensor Expansion Compressor 4-way valve Motor circuit valve driving Communication Communication Communication LP HP Communication Switch power supply...
  • Page 41 TCL Air Conditioner Service Manual ONE TO 3/4 TYPE: Expansion Sensor 4-Way valve Compressor valve circuit LP HP Motor driving Switch power Communication EEPROM Rectifying Filter circuit for filtering circuit heavy current 10.3 Examples of repairing 10.3.1 Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in.
  • Page 42 TCL Air Conditioner Service Manual Fail 3) The PCB fail. Solution: Replace the indoor main PCB. 10.3.2 Display E6 Reasons: 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 43 TCL Air Conditioner Service Manual 10.3.3 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.
  • Page 44 TCL Air Conditioner Service Manual 1) Check if the indoor and outdoor connections are correct. The terminal L and N which connect to indoor unit shall correspond to each other on indoor and outdoor units. Measure the voltage on outdoor terminal L and N (before display of E0 fault).
  • Page 45 TCL 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 46 TCL 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.
  • Page 47 TCL Air Conditioner Service Manual 10.4 MALFUNCTION (PARTS) CHECK METHOD 10.4.1 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.
  • Page 48 TCL Air Conditioner Service Manual 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 securely. Check IPM lead...
  • Page 49 TCL Air Conditioner Service Manual 10.4.3 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 and Replace inverter board...
  • Page 50 TCL Air Conditioner Service Manual 10.5 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)
  • Page 51 TCL 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.
  • Page 52 TCL 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...

  • Page 53: Introduction R32/R290 Air Conditioner Installation

    TCL Air Conditioner Service Manual 11. Introduction R32/R290 air conditioner installation 11.1 Introduction to Refrigerants R32 & R290 The refrigerants used for air conditioners are environmentally friendly hydrocarbons R32 and R290. The two kinds of refrigerants are combustible and odorless. Moreover, they can burn and explode under certain condition.
  • Page 54 TCL Air Conditioner Service Manual  It is necessary to comply with the provisions of gas-related national laws and regulations. It is necessary to clear away the refrigerant in the system when maintaining or scrapping an air  conditioner.  When filling the combustible refrigerant, any of your rude operations may cause serious injury or injuries to human body or bodies and object or objects.
  • Page 55 TCL Air Conditioner Service Manual Special tools: Tool Name Requirement(s) for Use It should be an explosion-proof vacuum pump; can ensure certain precision Mini Vacuum and its vacuum degree should be lower than 10Pa. Pump It should be a special explosion-proof filling device; have certain precision and its filling deviation should be less than 5g.
  • Page 56 TCL Air Conditioner Service Manual  Make sure powered supply to air conditioner is off. Before maintenance, it is necessary to cut off the power and discharge the capacitor power which used in the air conditioner. If it is a must to need the power supply during the maintenance, it is necessary to do ongoing leak detection at the most dangerous position/point in order to avoid potential danger.
  • Page 57 TCL Air Conditioner Service Manual  It is necessary to use nitrogen to clear the cyclic system before operating the refrigerating system and vacuumize the outdoor unit for 30 minutes at least.  It is necessary to ensure that there is no cross contamination among different refrigerants when the refrigerant filling device is used.
  • Page 58 TCL Air Conditioner Service Manual an alarm call, set the emergency area and prohibit irrelevant personnel and vehicles from approaching.  The professional firefighters should wear anti-static clothing to handle the emergency on the site and cut off the source of leak.

This manual is also suitable for:

Fma-12chsd/dviFma-09crd/dviFma-09crd/dviq4Fma-12crd/dviFma-12crd/dviq4Fma-18crd/dvi ... Show all

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