Service Manual_2020-V1.0
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1. SIGNIFICANT UPDATE NOTES (NONE) ........................................................................................................ 5
2. SAFETY WARNING ............................................................................................................................................... 6
2.1 WARNING FOR OPERATION SAFETY ........................................................................................................................... 6
2.2 SAFETY INSTRUCTION FOR REFRIGERANT ................................................................................................................. 8
3. INSTALLATION AND COMMISSIONING ............................................................................................................ 9
3.1 HANDLING................................................................................................................................................................... 9
3.2 DOOR DISASSEMBLY AND ASSEMBLY ........................................................................................................................ 9
3.3 INSTALLATION LOCATION ............................................................................................................................................ 9
3.4 LEVELING OF THE REFRIGERATOR ........................................................................................................................... 10
3.5 LEFT OR RIGHT OPEN DOOR REVERSAL（OPTION） .............................................................................................. 10
3.6 INSTALLATION OF HANDLE（OPTION） ................................................................................................................... 12
4. MAIN PARTS AND EXTERNAL DIMENSION.................................................................................................... 13
4.1 MAIN PARTS .............................................................................................................................................................. 13
4.2 EXTERNAL DIMENSION ............................................................................................................................................. 14
4.3 MIDEA PRODUCT SERIAL NUMBER AND LOCATION ................................................................................................... 14
5. ELECTRIC CONTROL SYSTEM ......................................................................................................................... 16
5.1 ELECTRICAL PARTS PARAMETERS ............................................................................................................................ 16
5.2 CIRCUIT DIAGRAM .................................................................................................................................................... 18
5.3 MAIN PCB TERMINAL CONNECTION DIAGRAM ......................................................................................................... 19
5.4 INVERTER BOARD TERMINAL CONNECTION DIAGRAM（NONE） ............................................................................. 19
6. REFRIGERATION SYSTEM ................................................................................................................................ 20
6.1 REFRIGERATION SYSTEM WORKING PRINCIPLE ....................................................................................................... 20
6.2 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET........................................................................................ 20
6.3 CIRCULATING ROUTE OF COOLING AIR ..................................................................................................................... 21
6.4 WELDING POINTS IN CHAMBERS OR FOAM LAYER .................................................................................................... 21
6.5 WELDING POINT IN THE COMPRESSOR CASE ........................................................................................................... 22
7. DISMANTLING OF PARTS .................................................................................................................................. 23
7.1 PARTS ON THE DOOR................................................................................................................................................ 23
7.2 PARTS INSIDE THE REFRIGERATOR .......................................................................................................................... 23
7.3 LIGHT SYSTEM .......................................................................................................................................................... 24
7.4 AIR DUCT COMPONENTS IN FREEZING CHAMBER AND FAN MOTOR .......................................................................... 25
7.5 EVAPORATOR AND DEFROST SYSTEM...................................................................................................................... 26
7.6 COMPRESSOR CASE ................................................................................................................................................ 27
7.7 DISPLAY CONTROL BOARD ....................................................................................................................................... 32
7.8 MAIN CONTROL BOARD ............................................................................................................................................ 33
7.9 VARIABLE FREQUENCY DRIVER BOARD（NONE） .................................................................................................. 34
7.10 WATER DISPENSER（NONE） ............................................................................................................................. 34
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