TCL TCE-25CHSD Service Manual
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TCL TCE-25CHSD Service Manual

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Service Manual
Models
TCE-25CHSD
TCE-51CHSD
CONTENTS
10. Introduction R32/R290 air conditioner installation
 
Air Conditioner Service Manual
Inverter air conditioner
 
TCE-35CHSD
TCE-70CHSD
0 

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Summary of Contents for TCL TCE-25CHSD

  • Page 1: Table Of Contents

    Air Conditioner Service Manual     Inverter air conditioner Service Manual Models TCE-25CHSD TCE-35CHSD TCE-51CHSD TCE-70CHSD 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.

  • 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 2. Product Dimensions Indoor Unit: Outdoor Unit: Indoor unit Outdoor unit Model TCE-25CHSD 277.8 TCE-35CHSD 277.8 TCE-51CHSD TCE-70CHSD 1010 315 374.9 347.5 58.6...

  • Page 4: Refrigeration Cycle Diagram

    Air Conditioner Service Manual     3. Refrigeration cycle diagram Cooling only Liquid side 2-way valve Capillary Heat exchange Heat exchange (Evaporator) (condenser) Gas side 3-way valve Accumulator Compressor Heat pump Check valve Liquid side 2-way valve Capillary Assembly Heat exchange Heat exchange (Evaporator) (condenser)

  • Page 5: Operation Details

    Air Conditioner Service Manual 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 6 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. 2 minutes delay for 4-way valve---The 4-way valve will be ceased for 2 minutes late after compressor to prevent the refrigerant-gas abnormal noise when the HEATING operation is OFF or switch to the other operation mode.
  • Page 7   the  compressor will run at very low frequency. In general, unit will change its running frequency according toδt to make room temperature closing to set temperature. (2) Outdoor temperature affects running frequency of the compressor Outdoor temperature affect compressor’s running frequency. Difference inlet temperature of outdoor unit is adapted by difference compressor running frequency.
  • Page 8 Air Conditioner Service Manual     seconds since the stop of compressor. 2) Auto fan control (heating) In heating mode (include in “I feel” mode) , fan speed is determined by t as the following: δ δt come up RT‐ST δt come down  ...
  • Page 9 Air Conditioner Service Manual   overheat protection. The compressor drops its frequency toward to F1 level until IPT≤52℃ If IPT≤52℃ and keep for 5 minutes, control system doesn’t limit running frequency. If IPT>62℃, control system shut down compressor, and recover while IPT drop less than 50℃. 6.
  • Page 10 Air Conditioner Service Manual   Error list   Digital LED Code Failure Type LED Code RUN、TIMER –both winking Indoor and outdoor communication failure RUN、TIMER –both winking Outdoor communication failure Indoor room temperature sensor (IRT) RUN-1 time/8s Indoor coil temperature sensor (IPT) RUN-2 times /8s Outdoor coil temperature sensor (OPT) RUN-3 times /8s...
  • Page 11 Air Conditioner Service Manual   Display on outdoor power source board:       blink time (n) Failure IPM protection Over voltage /lower voltage Overcurrent Exhaust over temperature protection Outdoor coil over temperature protection Drive fault and protection (V1，VP1) Communication fault with indoor unit Compressor overheat fault (compressor top switch) Short-circuit / open-circuit fault of outdoor temperature sensor Short circuit / open-circuit fault of outdoor heat exchanger temperature...

  • Page 12: Wiring Diagram

    Air Conditioner Service Manual 5. Wiring diagram MODEL: TCE-25CHSD, TCE-35CHSD INDOOR UNIT: OUTDOOR UNIT...
  • Page 13 Air Conditioner Service Manual Mode: TCE-51CHSD INDOOR UNIT: OUTDOOR UNIT...
  • Page 14 Air Conditioner Service Manual MODEL: TCE-70CHSD INDOOR UNIT OUTDOOR UNIT...

  • Page 15: Explosion View And Parts

    Air Conditioner Service Manual 6. Explosion view and parts Mode: TCE-25CHSD, TCE-35CHSD INDOOR UNIT:...
  • Page 16 Air Conditioner Service Manual PARTS LIST Indoor Unit-TCE-25CHSD Q’ty Part No. Part Name Remark 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 210701863...
  • Page 17 Air Conditioner Service Manual Indoor Unit-TCE-35CHSD Q’ty Part No. Part Name Remark 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 210701863 Air Filter 210705767 Display PCB Box 210901127S...
  • Page 18 Air Conditioner Service Manual Mode: TCE-51CHSD INDOOR UNIT:...
  • Page 19 Air Conditioner Service Manual Indoor Unit- TCE-51CHSD Q’ty Part No. Part Name Remark 210838037 Installation Plate 210755494 Base 210738575 Vertical Vane Assembly 210738580 Vertical Vane Connector 210738661 Vane 1070020042AA Cross Fan 1070100010 Bearing Mount 211238370 Evaporator 210738663 Face Frame 210701846 Screw Cover 210738606 Air Filter...
  • Page 20 Air Conditioner Service Manual Mode: TCE-70CHSD INDOOR UNIT:...
  • Page 21 Air Conditioner Service Manual Indoor Unit- TCE-70CHSD Q’ty Part No. Part Name Remark 210836849 Installation Plate 210746793A Base 210738389 Vertical Vane Assembly 210738390 Vertical Vane Connector 210738537 Vane 210738396 Cross Fan 1070100010 Bearing Mount 211237788 Evaporator 210738539 Face Frame 210701846 Screw Cover 210738391A Air Filter...
  • Page 22 Air Conditioner Service Manual   Mode: TCE-25CHSD, TCE-35CHSD OUTDOOR UNIT: 21   ...
  • Page 23 Air Conditioner Service Manual OUTDOOR UNIT- TCE-25CHSD Q’ty Part No. Part Name Remark 1071990039 Grille 210800539 Top cover 211239732 Condenser 1080050004 Outdoor motor supporter 1170040162AB Outdoor motor 1070030060 Propeller fan 1080050001 Left grille supporter 210800537 Front plate 210736181A Fan guard...
  • Page 24 Air Conditioner Service Manual OUTDOOR UNIT- TCE-35CHSD Q’ty Part No. Part Name Remark 1071990039 Grille 210800539 Top cover 211244352 Condenser 1080050004 Outdoor motor supporter 1170040162AB Outdoor motor 1070030060 Propeller fan 1080050001 Left grille supporter 210800537 Front plate 210736181A Fan guard 211239580 Compressor and accessories 1120110016J...
  • Page 25 Air Conditioner Service Manual Mode: TCE-51CHSD, TCE-70CHSD OUTDOOR UNIT:...
  • Page 26 Air Conditioner Service Manual Outdoor Unit- TCE-51CHSD Q’ty Part No. Part Name Remark 210706021 Grille 210836989 Top cover 211239315G Condenser 210836994 Outdoor motor supporter 210900219G Outdoor motor 210739722 Propeller fan 210836992 Left grille supporter 210836990E Front plate 210754984 Fan guard 211239226 Compressor and accessories 1120500226J...
  • Page 27 Air Conditioner Service Manual Outdoor Unit- TCE-70CHSD Q’ty Part No. Part Name Remark 210738714 Grille 210836806 Top cover 211239354A Condenser 210836812 Outdoor motor supporter 210900027AH Outdoor motor 210738500 Propeller fan 210836810 Left grille supporter 210836807 Front plate 210754985 Fan guard 211239226 Compressor and accessories 1120500226J...

  • Page 28: Precaution

    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 be forbidden to children.
  • Page 29 Air Conditioner Service Manual   instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. 7.2 SAFETY RULES AND RECOMMENDATIONS FOR THE USER Do not try to install the conditioner alone;...
  • Page 30 Air Conditioner Service Manual   Ensure that the appliance is disconnected from the power supply when it will remain inoperative for a long period and before carrying out any cleaning or maintenance. Selecting the most suitable temperature can prevent damage to the appliance. 7.3 SAFETY RULES AND PROHIBITIONS Do not bend, tug or compress the power cord since this could damage it.

  • Page 31: Names Of Parts

    Air Conditioner Service Manual   8.Names of parts 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 30 ...

  • Page 32: Installation

    Air Conditioner Service Manual 9. Installation manual 9.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid TCE-25CHSD TCE-35CHSD TCE-51CHSD TCE-70CHSD Outdoor unit Indoor unit Pipe length is 25 Pipe length is 25 meters Max. meters Max. Indoor unit Outdoor unit...
  • Page 33 Air Conditioner Service Manual 9.2 Installation for the first time Indoor unit  Install the indoor unit level on a strong wall that is not subject to vibrations Mounting plate  The inlet and outlet ports should not be obstructed: the air should be able to blow all over 150mm the room.
  • Page 34 Air Conditioner Service Manual   Install the indoor unit at a height of at least 2.5m from the ground. To install, proceed as follows: 9.2.1 Installation of the mounting plate. 1) By using a level, put the mounting plate in a perfect square position vertically and horizontally.
  • Page 35 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. 9.2.4 Refrigerant piping connection The piping can be run in the 3 directions indicated by numbers in the picture.
  • Page 36 Air Conditioner Service Manual   4).If the piping is installed to the right, the pipes, power cable and drain hose must be lagged and secured onto the rear of the unit with a pipe connection. Insert the pipe connection into the relative slot. Press to join the pipe connection to the base.
  • Page 37 Air Conditioner Service Manual A maintenance station should establish emergency handling plans. It is necessary to take appropriate precautionary measures in work. For example, it is prohibited to enter the location with any kindling material and it is prohibited to wear clothing 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 other power ...

  • Page 38: Trouble Shooting

    Temperature or fault code display Power factor adjustment Protection current samplin Emergencyl Switch signal input PFC Protection current sample Remote signal input Rotor position check 10.2 The structure of ODU PCB TCE-25CHSD, TCE-35CHSD DC motor Indicator 4-way valve Communication Compressor Expansion Sensor...
  • Page 39                               1 .3 Connection of ODU PCB TCE-25CHSD, TCE-35CHSD COMP. (S-Black) CN13 CN401 CN12 （LEV） （ORQ） (OVT) (485-COM) (OHT) (OPTOAT) (CAN-Blue) P5-1、P8 wu v (VAL) CN409...
  • Page 40 Air Conditioner Service Manual   TCE-51CHSD, TCE-70CHSD COMP. CN13 CN12 （LEV） (OHT) (OPTOAT) （ORQ） (OVT) (ACN) CN409 CN11 (ACL) (HEAT) CN410 programmed (OUTFAN) P10-1(U) U603 P5-1、P8 CN401 (VAL) P10-2(V) (DCFAN) (485-COM) CN407 P10-3(W) For EEPROM PC monitor programmed P14(L) D412 Q403 IGBT Fast recovery diode...
  • Page 41 Air Conditioner Service Manual 1 .5 Examples of repairing 1 .5.1Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in. Solution: Check the connecter of sensor and slot (CN6), if loose or not plugged in, please connect again.
  • Page 42 Air Conditioner Service Manual 3) The indoor main PCB damage. Solution: Replace the indoor main PCB. 1 .5.3 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 43 Air Conditioner Service Manual Solution: Check the connecter of sensor and slot, if loose or not plugged in, please connect again. Outdoor pipe temp sensor damage. Fail Solution: Check and replace the sensor. 3) Outdoor PCB damage. Solution: Check and replace the outdoor PCB. 1 .5.
  • Page 44 Air Conditioner Service Manual 1 N L 5) Communication fault if resistance or optical coupler broken, replace outdoor PCB. Communication circuit 6) Is there any burnt on PCB? If no, test the rectifier, FRD, IGBT etc. any component broken, replace PCB.
  • Page 45 Air Conditioner Service Manual Solution: Re-energize and check the protection code on display. Firstly display P0. 1) If this code is displayed when the compressor is started for several seconds or even not started, check the compressor connection for correctness, if no insert wrong, replace outdoor PCB. Compressor connection 2) Check if the outdoor module is tightly installed onto the radiating fins and if the silicone is applied evenly, fix the screws again if loose.
  • Page 46 Air Conditioner Service Manual EEPROM 11.5. Display CL Cause: Air filter duty, the unit operation Cumulative time 500 hours, the controller will confirmation the filter dirty and display CL. Solution: Clean the air filter then cut off the power and supply again. 11.6 MALFUNCTION (PARTS) CHECK METHOD 11.6.1 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...
  • Page 47 Air Conditioner Service Manual 11.6.2 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? IPM PWB floating from the heat sink IPM PWB with screws securely.
  • Page 48 Air Conditioner Service Manual 11.6.3 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 49 Air Conditioner Service Manual   11.7 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 (℃)
  • Page 50 Air Conditioner Service Manual   Resistance at 25℃: 5 kΩ.   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. Outdoor unit sensor temperature characteristics TEMP.
  • Page 51 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...
  • Page 52 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 53 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 ...
  • Page 54 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 55 Air Conditioner Service Manual maintenance.  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 56 Air Conditioner Service Manual  Temporary wires and sockets are prohibited on the maintenance location. 6. Requirements for fill the refrigerants  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. ...
  • Page 57 Air Conditioner Service Manual supply and evacuating the affected personnel urgently from the location. It is necessary to inform near residents of evacuating for over 20 meters from the location, make  an alarm call, set the emergency area and prohibit irrelevant personnel and vehicles from approaching.

This manual is also suitable for:

Tce-35chsdTce-51chsdTce-70chsd

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