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 .......................................................................................................................................... 11
3.4 LEVELING OF THE REFRIGERATOR ........................................................................................................................... 12
3.5 LEFT OR RIGHT OPEN DOOR REVERSAL (NONE) ...................................................................................................... 12
3.6 INSTALLATION OF HANDLE(OPTION) ................................................................................................................... 12
3.7 INSTALLATION OF DOOR LOCK(NONE) ................................................................................................................ 13
3.8 ADJUSTMENT TO LEVEL THE DOOR .......................................................................................................................... 13
4. MAIN PARTS AND EXTERNAL DIMENSION.................................................................................................... 14
4.1 MAIN PARTS .............................................................................................................................................................. 14
4.2 EXTERNAL DIMENSION ............................................................................................................................................. 15
4.3 MIDEA PRODUCT SERIAL NUMBER AND LOCATION ................................................................................................... 15
5. ELECTRIC CONTROL SYSTEM ......................................................................................................................... 17
5.1 ELECTRICAL PARTS PARAMETERS ............................................................................................................................ 17
5.2 CIRCUIT DIAGRAM .................................................................................................................................................... 19
5.3 MAIN PCB TERMINAL CONNECTION DIAGRAM ......................................................................................................... 20
5.4 ICE-MAKING BOARD TERMINAL CONNECTION DIAGRAM (OPTION) ..................................................................... 21
5.5 INVERTER BOARD TERMINAL CONNECTION DIAGRAM(OPTION) .......................................................................... 22
6. REFRIGERATION SYSTEM ................................................................................................................................ 23
6.1 REFRIGERATION SYSTEM WORKING PRINCIPLE ....................................................................................................... 23
6.2 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET........................................................................................ 24
6.3 CIRCULATING ROUTE OF COOLING AIR ..................................................................................................................... 24
6.4 WELDING POINTS IN CHAMBERS OR FOAM LAYER .................................................................................................... 25
6.5 WELDING POINT IN THE COMPRESSOR CASE ........................................................................................................... 26
7. DISMANTLING OF PARTS .................................................................................................................................. 27
7.1 PARTS ON THE DOOR................................................................................................................................................ 27
7.2 PARTS INSIDE THE REFRIGERATOR .......................................................................................................................... 29
7.3 LIGHT SYSTEM .......................................................................................................................................................... 31
7.4 AIR DUCT COMPONENTS REFRIGERATING CHAMBER AND FAN MOTOR .................................................................... 33
7.5 VARIABLE TEMPERATURE AIR DUCT AND VENTILATION DOOR .................................................................................. 35
7.6 ICE MAKER(OPTION) ........................................................................................................................................... 36
7.7 CRASHING ICE MOTOR ............................................................................................................................................. 39