Name: Midea MRU17F6AWW
Brand: Midea
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Service Manual_2020-V1.0

Contents

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