
TCL Air Conditioner Service Manual
2
CONTENTS
PART Ⅰ TECHNICALINFORMATION.............................................................................3
1. IMPORTANTNOTICE.............................................................................................................3
2. REFRIGERATIONCYCLEDIAGRAM.............................................................................................4
3. ELECTRICDIAGRAM.............................................................................................................5
3.1Wiringdiagram........................................................................................................5
3.2PCBLAOUT................................................................................................................8
4. ELECTRONICCONTROLLERINTRODUCTION..............................................................................11
4.1Electroniccontroller................................................................................................11
PART Ⅱ INSTALLATIONANDMAINTENANCE..............................................................16
1. NOTESFORINSTALLATIONANDMAINTENANCE.........................................................................16
2INSTALLATION....................................................................................................................24
2.1InstallationDimensionDiagram.............................................................................24
2.2Accessory................................................................................................................2 5
2.3Position...................................................................................................................26
2.4Electricityandwiring..............................................................................................26
2.5IDUInstallation.......................................................................................................26
2.6ODUInstallation.....................................................................................................29
2.7Vacuumandgasleakagetest.................................................................................30
2.8Finaltest.................................................................................................................30
3. MAINTENANCE.................................................................................................................31
3.1Failurecode............................................................................................................31
3.2Troubleshooting....................................................................................................32
4. DISASSEMBLYIDU&ODU.................................................................................................35
4.1.IDUDisassembly....................................................................................................35
4.2ODUAssembly........................................................................................................39
APPENDIX........................................................................................................................44
Appendix1ThecomparisontableofCelsius‐Fahrenheittemperature.........................44
Appendix2ThePipelengthandGascharging.............................................................45
Appendix3PipesFlaring..............................................................................................46
Appendix4THERMISTORTEMPERATURECHARACTERISTICS.......................................47