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 （NONE） ................................................................................................ 10
3.6 INSTALLATION OF HANDLE ........................................................................................................................................ 10
3.7 INSTALLATION OF DOOR LOCK（NONE） ................................................................................................................ 10
4. MAIN PARTS AND EXTERNAL DIMENSION.................................................................................................... 11
4.1 MAIN PARTS .............................................................................................................................................................. 11
4.2 EXTERNAL DIMENSION ............................................................................................................................................. 12
4.3 MIDEA PRODUCT SERIAL NUMBER AND LOCATION ................................................................................................... 13
5. ELECTRIC CONTROL SYSTEM ......................................................................................................................... 14
5.1 ELECTRICAL PARTS PARAMETERS ............................................................................................................................ 14
5.2 CIRCUIT DIAGRAM .................................................................................................................................................... 16
5.3 MAIN PCB TERMINAL CONNECTION DIAGRAM ......................................................................................................... 17
5.4 INVERTER BOARD TERMINAL CONNECTION DIAGRAM（NONE） ............................................................................. 17
6. REFRIGERATION SYSTEM ................................................................................................................................ 18
6.1 REFRIGERATION SYSTEM WORKING PRINCIPLE ....................................................................................................... 18
6.2 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET........................................................................................ 18
6.3 CIRCULATING ROUTE OF COOLING AIR ..................................................................................................................... 19
6.4 WELDING POINTS IN CHAMBERS OR FOAM LAYER .................................................................................................... 19
6.5 WELDING POINT IN THE COMPRESSOR CASE ........................................................................................................... 20
7. DISMANTLING OF PARTS .................................................................................................................................. 21
7.1 PARTS ON THE DOOR................................................................................................................................................ 21
7.2 PARTS INSIDE THE REFRIGERATOR .......................................................................................................................... 21
7.3 LIGHT SYSTEM .......................................................................................................................................................... 22
7.4 AIR DUCT COMPONENTS IN REFRIGERATING CHAMBER AND FAN MOTOR (NONE) .................................................. 22
7.5 AIR DUCT COMPONENTS IN FREEZING CHAMBER AND FAN MOTOR .......................................................................... 23
7.6 EVAPORATOR AND DEFROST SYSTEM...................................................................................................................... 24
7.7 COMPRESSOR CASE ................................................................................................................................................ 25
7.8 DISPLAY CONTROL BOARD ....................................................................................................................................... 29
7.9 MAIN CONTROL BOARD ............................................................................................................................................ 30
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