Midea BMF No Frost Series User Manual

Service Manual_2020-V3.0
3
Contents
1. SIGNIFICANT UPDATE NOTES (NONE) .............................................................................................................5
2. SAFETY WARNING CODE ....................................................................................................................................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 ........................................................................................................................... 12
3.5 LEFT OR RIGHT OPEN DOOR REVERSAL ................................................................................................................... 13
4. MAIN PARTS AND EXTERNAL DIMENSION .................................................................................................... 16
4.1 MAIN PARTS .............................................................................................................................................................. 16
4.2 EXTERNAL DIMENSION.............................................................................................................................................. 17
4.3 MIDEA PRODUCT SERIAL NUMBER AND LOCATION ................................................................................................... 17
5. ELECTRIC CONTROL SYSTEM ......................................................................................................................... 19
5.1 ELECTRICAL PARAMETERS ....................................................................................................................................... 19
5.2 CIRCUIT DIAGRAM .................................................................................................................................................... 19
5.3 MAIN CONTROL BOARD STRUCTURE DIAGRAM ........................................................................................................ 21
6. REFRIGERATION SYSTEM ................................................................................................................................ 22
6.1 REFRIGERATING PIPING SYSTEM.............................................................................................................................. 22
6.2 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET ........................................................................................ 22
6.3 CIRCULATING ROUTE OF COOLING AIR ..................................................................................................................... 23
6.4 WELDING POINTS IN CHAMBERS OR FOAM LAYER .................................................................................................... 23
6.5 WELDING POINT IN THE COMPRESSOR CASE ........................................................................................................... 24
7. DISMANTLING OF PARTS .................................................................................................................................. 25
7.1 PARTS ON THE DOOR ................................................................................................................................................ 25
7.2 PARTS INSIDE THE REFRIGERATOR .......................................................................................................................... 25
7.3 LIGHT SYSTEM .......................................................................................................................................................... 26
7.4 AIR DUCT COMPONENTS REFRIGERATING CHAMBER AND FAN MOTOR .................................................................... 27
7.5 AIR DUCT COMPONENTS IN FREEZING CHAMBER AND FAN MOTOR .......................................................................... 28
7.6 EVAPORATOR AND DEFROST SYSTEM ...................................................................................................................... 29
7.7 COMPRESSOR CASE................................................................................................................................................. 30
7.8 DISPLAY CONTROL BOARD ....................................................................................................................................... 35
7.9 MAIN CONTROL BOARD ............................................................................................................................................ 36
8. TEMPERATURE SENSING SYSTEM ................................................................................................................. 37
8.1 POSITION OF SENSORS ............................................................................................................................................ 37

Midea BMF No Frost Series Specifications

General

Brand	Midea
Model	BMF No Frost Series
Category	Refrigerator
Language	English