R&D COMBI Series User manual

1
维修手册 Service Manual
COMBI SERIES
(本手册中图片均为参考示意图，具体外观和配置以实物为准）
(The picture in this service manual is only for reference, and specific appearance and configuration are
subject to the real product)
编制 Prepared by
R&D: Li Nao
审核 Reviewed by
QA：Shi Jang po
SVC:Liu Ji Cheng
批准 Approved by
R&D: Ma Rui
SVC:Guang Taoshuai

2
WARNING
Important Safety Notice
There are special components used in this equipment which are important for safety. These parts are marked
by in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is
essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire
or other hazards. Do not modify the original design without permission of manufacturer.
WARNING
Important Safety Notice
The Maintenance Manual is only for the use of maintenance personnel with certain experience and
background in electrical, electronic and mechanical field.
Any attempt to repair main devices may lead to personal injury and property loss.
Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof.
Midea Refrigerators
Technical Maintenance Manual
Copyright @2017
All rights reserved. Replication of all or part of the Manual in any forms shall not be allowed without written
approval by the Overseas Sales Corporation of Midea Refrigerators.

3
Contents
1. 安全警示规范 SAFETY WARNING CODE.......................................................................................................... 7
1.1 作业安全警告 WARNING FOR OPERATION SAFETY.................................................................................................. 7
1.2 冷媒安全须知 SAFETY INSTRUCTION FOR REFRIGERANT ..................................................................................... 10
2. 产品特点说明 DESCRIPTION FOR PRODUCT FEATURES ...........................................................................11
3. 安装和调试 INSTALLATION AND COMMISSIONING......................................................................................13
3.1 搬运 HANDLING....................................................................................................................................................... 13
3.2 门体拆装 DOOR DISASSEMBLY AND ASSEMBLY..................................................................................................... 13
3.3 安装位置 INSTALLATION LOCATION......................................................................................................................... 13
3.4 箱体调平 LEVELING OF THE REFRIGERATOR.......................................................................................................... 14
3.5 左右换门 DOOR REVERSAL.................................................................................................................................... 15
3.6 把手安装 INSTALLATION OF HANDLE....................................................................................................................... 15
3.7 门锁安装 INSTALLATION OF DOOR LOCK ................................................................................................................ 15
3.8 门不平调整 ADJUSTMENT TO LEVEL THE DOOR..................................................................................................... 15
3.9 搁架不平调整 ADJUSTMENT TO SHELVES.............................................................................................................. 15
4. 术语 TERMS.........................................................................................................................................................16
4.1 型号含义 DEFINITION OF MODEL(NONE)................................................................................................................ 16
4.2 铭牌的位置 LOCATION OF NAMEPLATE(NONE)...................................................................................................... 16
5. 产品规格 PRODUCT SPECIFICATION ..............................................................................................................17
5.1 型号规格 TYPE SPECIFICATION(NONE).................................................................................................................. 17

4
5.2 电气参数规格 ELECTRICAL PARAMETERS ............................................................................................................. 17
5.3 制冷温度 INSIDE TEMPERATURE............................................................................................................................. 18
5.4 除霜部件 DEFROSTING PARTS ............................................................................................................................... 18
5.5 电路图 CIRCUIT DIAGRAM....................................................................................................................................... 19
6. 内部视图和尺寸 INTERNAL VIEW AND DIMENSION......................................................................................20
6.1 主要部件及名称 MAIN PARTS AND THEIR NAMES .................................................................................................. 20
6.2 外观尺寸 EXTERNAL DIMENSION............................................................................................................................ 21
7.制冷管路系统和冷气循环路线 REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF
COOLING AIR...........................................................................................................................................................23
7.1 制冷管路系统 REFRIGERATING PIPING SYSTEM.................................................................................................... 23
7.2 冷气循环路线 CIRCULATING ROUTE OF COOLING AIR ........................................................................................... 24
8. 部件拆装 DISMANTLING OF PARTS.................................................................................................................25
8.1 门上部件 PARTS ON THE DOOR.............................................................................................................................. 25
8.2 箱内部件 PARTS INSIDE THE REFRIGERATOR......................................................................................................... 25
8.3 灯系统 LIGHT SYSTEM............................................................................................................................................ 26
8.4 风道及风扇电机 AIR DUCT AND FAN MOTOR.......................................................................................................... 27
8.5 蒸发器及感温系统 EVAPORATORAND TEMPERATURE SENSING SYSTEM............................................................. 29
8.7 压缩机仓 COMPRESSOR CASE .................................................................................................................................. 31
8.8 显控板 DISPLAY CONTROL BOARD............................................................................................................................ 34
8.9 主控板 MAIN CONTROL BOARDL .............................................................................................................................. 34
8.10 吧台 BAR COUNTER（NONE）.............................................................................................................................. 36
8.11 饮水机 WATER DISPENSER（NONE）.................................................................................................................... 36
8.12 制冰机 ICE MAKER（NONE）................................................................................................................................ 36
9. 功能和操作 FUNCTION AND OPERATION.......................................................................................................37

5
9.1 操作面板 OPERATION PANEL.................................................................................................................................. 37
9.2 按键 BUTTON........................................................................................................................................................... 38
9.3 显示 DISPLAY........................................................................................................................................................... 38
9.4 锁定和解锁 LOCKING AND UNLOCKING................................................................................................................... 38
9.5 温度设定 TEMPERATURE SETTING ........................................................................................................................... 39
9.6 模式设定 MODE SETTING ........................................................................................................................................ 40
9.7 故障代码及解决方法 FAULT CODE AND SOLUTIONS ............................................................................................... 40
9.8 测试模式 TEST MODE............................................................................................................................................... 43
9.9 自诊断 SELF-DIAGNOSIS........................................................................................................................................... 44
10. 电路说明 CIRCUIT DESCRIPTION ..................................................................................................................47
10.1 传感器阻值（R/T）RESISTANCE VALUE OF THE SENSOR (R/T.............................................................................. 47
11. 故障排除方法 TROUBLESHOOTING METHOD .............................................................................................48
11.1 不制冷（风冷电控式）NO COOLING(AIR COOLING-ELECTRONIC).................................................................... 48
11.2 压缩机不工作 NO WORKING OF COMPRESSOR................................................................................................... 49
11.3 内部结冰霜、不化霜 INSIDE FROSTING,NO DEFROSTING.................................................................................. 50
11.4 内部结冰霜、不化霜-维修指引 INSIDE FROSTING,NO DEFROSTING-MAINTENANCE GUIDELINES ................... 50
11.5 灯不亮 LIGHT IS NOT ON....................................................................................................................................... 51
12. 维修零部件图示和明细 FIGURES AND DETAILS OF REPAIR
PARTS(DOCUMENTS ARE PROVIDED SEPARATELY).....................................................................................52
12.1 图示 FIGURES(NONE)........................................................................................................................................... 52
12.2 零部件清单 LIST OF PARTS AND COMPONENTS(NONE)....................................................................................... 52
13. 附录 APPENDIX.................................................................................................................................................53
13.1 冰箱维修常用工具、设备和材料 REFRIGERATOR MAINTENANCE TOOLING AND EQUIPMENT AND MATERIAL .. 53

6

7
1. 安全警示规范 Safety Warning Code
1.1 作业安全警告 Warning for operation safety
Important Safety Instructions
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
This symbol indicates that dangerous voltage
constituting a risk of electric shock is present
within your freezer.
This symbol indicates that there are important
operating and maintenance instructions in the
literature accompanying your freezer.

8

9

10
1.2 冷媒安全须知 Safety instruction for refrigerant

11
2. 产品特点说明 Description for product features
这款产品具有以下特点：
This product is provided with following features:
（本图片为参考示意图，具体外观和配置以实物为准）(The picture is only for reference, and specific appearance
and configuration are subject to the real product)
1) 全风冷无霜设计
Evaporator
Fan
Evaporator
Fan

12
2）多感温探头，温度精准控制
3）双系统，冷藏室与冷冻室相互不串味
4）冷藏室风道内嵌陶瓷纸，有效祛除异味
1) Full air-cooling and frost-free design
2) Precise temperature control by multi-temperature sensibility probe
3) Dual system, and without mutually taint of odor in refrigerating chamber and freezing chamber
4) Air duct in refrigerating chamber is internally embedded with ceramic paper which can effectively eliminates
odor

13
3. 安装和调试 Installation and commissioning
3.1 搬运 Handling
搬运 Handling
1) 在移动中保护冰箱，如图所示，使用加垫的手推车。
2) 拆除冰箱所有包装材料和底垫再搬运到室内安放。
3) 放置 2小时再通电运行。
1)Protect the refrigerator in moving it,Same as shown as
left photo, please move it by handcart with cushion
2)Remove all packing materials and bottom cushion, the
move into house for placement
3)After moving it to appropriate location, wait for 2 hours
before power on.
3.2 门体拆装 Door Disassembly and Assembly
当整机无法进入室内时，需要对门体拆除。The refrigerator door needs to be dismantled if it cannot enter
the room in the whole.
3.3 安装位置 Installation location
安装位置 Installation location

14
需要选择通风的位置，有利于散热提升性能、降低能耗。
Location that is easy for ventilation shall be chosen to
facilitate heat dissipation, enhance its performance and
reduce the energy consumption.
3.4 箱体调平 Leveling of the refrigerator
箱体调平 Leveling of the refrigerator
产品无法放置平稳时，可以通过调节底脚的方式解决。If
the refrigerator cannot be placed steadily, adjust the
footing to level it.

15
3.5 左右换门 Door reversal
3.6 把手安装 Installation of handle
3.7 门锁安装 Installation of door lock
3.8 门不平调整 Adjustment to level the door
将调节垫片塞到需调整门体下铰链处，使左右门体
高度一致即可。
Stuff the adjusting gasket in the hinge under the door
to be adjusted, so that the height of the left and right
doors can be consistent.
3.9 搁架不平调整 Adjustment to shelves

16
4. 术语 Terms
4.1 型号含义 Definition of model(None)
4.2 铭牌的位置 Location of nameplate(None)

17
5. 产品规格 Product specification
5.1 型号规格 Type specification(None)
5.2 电气参数规格 Electrical parameters
产品名称
Product Name
SO-BCD482WE-ST
产品编码
Product Code
22031040001081
名称 Name
项目 Item
类型 Type
规格
Specification
规格
Specification
压缩机
Compressor
压缩机
Compressor
VFL090CY1
/
启动器
Starter
/
/
过载保护器
Overload protector
/
/
压缩机接线柱绕组
值
Winding resistance
of compressor
wiring terminal
Rmc：10.6Ω±15%
电机
Motor
冷冻室风扇电机
Fan motor of the
freezing chamber
BLDC
DC12V/≤4W
冷藏室风门
Ventilation door of
the refrigerating
chamber
/
/
冷凝风机
Condensation fan
/
/
箱内灯
Lights inside
the
refrigerator
冷冻室内灯
Lights inside the
freezing chamber
/
/
冷藏室内灯
Lights inside the
refrigerating
chamber
LED
12V/≤4W
冰箱门开关
Switch of the
磁敏开关
/

18
refrigerator door
5.3 制冷温度 Inside temperature
Trk：开机温度 Trt：停机温度 Th：环境温度
实际开停机温度为屏显温度加下表中对应环温的偏移量。
Trk：Start-up temperature Trt: Shutdown temperature Th:Ambient temperature
The actual start-up and shutdown temperature is the screen temperature plus the corresponding offset of ambient
temperature in the table below.
环温 Cyclic temperature
各室Chambers
Th≤14℃
14＜Th≤21℃
21＜Th≤28℃
28＜Th≤35℃
Th＞35℃
冷 藏 室 开
/停偏移
量 （ 设 定
2℃时）
Offset of the start-up
/shutdown temperature
in refrigerating chamber
(when setting at 2 °C)
Trk
+1.5
+0.5
+0
+0.25
+1
Trt
+1.0
+0
-0.5
-0.5
+0.
冷 藏 室 开
/停偏移
量 （ 设 定
3-8℃时）
Offset of the start-up
/shutdown temperature
in refrigerating chamber
(when setting at 3-8 °C)
Trk
+2
+1
+0
+0.5
+1
Trt
+1
+0
-1
-0.5
+0
冷冻室
开/停偏
移量
Freezer
Offset of the start-up
/shutdown temperature
Tfk
-2.5
+0.5
+0
+0.5
-1
Tft
-9
-4.5
-3
-3.5
-3
5.4 除霜部件 Defrosting parts
除霜期
Defrosting period
初次除霜期
Initial defrosting period
正常除霜期
Normal defrosting period
通电 6小时
6 hours
11~36 小时
11~36 hours
除霜传感器
Defrosting sensor
NTC
B3839
除霜温控器
Defrosting temperature controller
/
/
热熔丝
Thermal fuse
不可恢复
Can’t be restored
77℃
冷冻室除霜加热器
Defrosting heater in freezing chamber
/
Defrosting heater 230V/250W

19
5.5 电路图 Circuit diagram

20
6. 内部视图和尺寸 Internal view and dimension
6.1 主要部件及名称 Main parts and their names
冷冻室 Freezer chamber
冷藏室 Refrigerator chamber
（本图片为参考示意图，具体外观和配置以实物为准）
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
冷冻室
冷藏室
1.冷藏室风道组件
2.玻璃搁架
3.果菜盒盖板
4.果菜盒
5.翻转梁
6.冷藏室瓶框
7.冷冻室上抽屉
8.冷冻室风道组件
9.冷冻室下抽屉
10.调节脚
Refrigerating chamber
Freezing chamber
1
2
3
4
6
5
7
8
9
10