Midea TMF No Frost Series User manual

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维修手册 Service Manual
TMF No Frost Series
市场型号
Applicable Models
产品型号
Product Models
基准编码
Applicable Models
HD-663FWEN
UR-BCD510WE-DQ
22031020006621
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.
本手册主要讲授方法，具体的作业技能需要工程师通过日常工作积累。
This manual mainly teaches the method, the specific work skill needs engineer
to accumulate through the daily work.
编制
霍建磊
审核
评价工程师 QA:刘雪薇
SVC:刘记成
会签
符凡
批准
经营长:杨翔威
SVC:光陶帅

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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.

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Contents
1. 重要更新说明 SIGNIFICANT UPDATE NOTES (NONE) ................................................................................ 5
2. 安全警告 SAFETY WARNING.............................................................................................................................. 6
2.1 作业安全警告 WARNING FOR OPERATION SAFETY.................................................................................................. 6
2.2 冷媒安全须知 SAFETY INSTRUCTION FOR REFRIGERANT ....................................................................................... 8
3. 安装和调试 INSTALLATION AND COMMISSIONING....................................................................................... 9
3.1 搬运 HANDLING......................................................................................................................................................... 9
3.2 门体拆装 DOOR DISASSEMBLY AND ASSEMBLY....................................................................................................... 9
3.3 安装位置 INSTALLATION LOCATION........................................................................................................................... 9
3.4 箱体调平 LEVELING OF THE REFRIGERATOR.......................................................................................................... 10
3.5 左、右开门更换 LEFT OR RIGHT OPEN DOOR REVERSAL...................................................................................... 10
3.6 门把手安装 INSTALLATION OF HANDLE（OPTION）.............................................................................................. 12
4. 主要部件和外形尺寸 MAIN PARTS AND EXTERNAL DIMENSION ...............................................................14
4.1 主要零部件 MAIN PARTS........................................................................................................................................ 14
4.2 外形尺寸 EXTERNAL DIMENSION............................................................................................................................ 15
4.3 美的冰箱产品序列号和位置 MIDEA PRODUCT SERIAL NUMBER AND LOCATION .................................................. 15
5. 电控系统 ELECTRIC CONTROL SYSTEM........................................................................................................17
5.1 电器件参数 ELECTRICAL PARTS PARAMETERS ...................................................................................................... 17
5.2 电路图 CIRCUIT DIAGRAM....................................................................................................................................... 19
5.3 定频主控板端子接线图 MAIN PCB TERMINAL CONNECTION DIAGRAM ................................................................ 20
6. 制冷系统 REFRIGERATION SYSTEM...............................................................................................................21
6.1 制冷系统工作原理 REFRIGERATION SYSTEM WORKING PRINCIPLE ...................................................................... 21
6.2 发泡箱体中的管路 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET....................................................... 21
6.3 冷气循环路线 CIRCULATING ROUTE OF COOLINGAIR............................................................................................ 22
6.4 间室中或发泡层内的焊点 WELDING POINTS IN CHAMBERS OR FOAM LAYER....................................................... 22
6.5 压缩机仓内焊点 WELDING POINT IN THE COMPRESSOR CASE.............................................................................. 23
7. 部件拆装 DISMANTLING OF PARTS.................................................................................................................24
7.1 门上部件 PARTS ON THE DOOR.............................................................................................................................. 24
7.2 箱内部件 PARTS INSIDE THE REFRIGERATOR......................................................................................................... 24
7.3 灯系统 LIGHT SYSTEM............................................................................................................................................ 25
7.4 冷藏风道及风扇电机 AIR DUCT COMPONENTS REFRIGERATING CHAMBERAND FAN MOTOR.............................. 26
7.5 冷冻风道及风扇电机 AIR DUCT COMPONENTS IN FREEZING CHAMBERAND FAN MOTOR..................................... 26
7.6 蒸发器及化霜系统 EVAPORATOR AND DEFROST SYSTEM.................................................................................... 28
7.7 压缩机仓 COMPRESSOR CASE............................................................................................................................... 29
7.8 显控板 DISPLAY CONTROL BOARD.......................................................................................................................... 33
7.9 主控板 MAIN CONTROL BOARD............................................................................................................................... 34
7.10 变频板 VARIABLE FREQUENCY DRIVER BOARD（NONE）................................................................................... 34
7.11 饮水机 WATER DISPENSER（NONE）................................................................................................................. 34

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8. 感温系统 TEMPERATURE SENSING SYSTEM................................................................................................35
8.1 传感器的位置 POSITION OF SENSORS................................................................................................................... 35
8.2 传感器拆换 REPLACEMENT OF SENSORS.............................................................................................................. 35
8.3 无接线端子的传感器更换 SENSOR WITHOUT TERMINAL REPLACEMENT............................................................. 36
8.4 传感器的温度-阻值对照表 SENSOR R/TTABLE................................................................................................... 37
9. 功能和操作 FUNCTION AND OPERATION.......................................................................................................39
9.1显示操作面板 DISPLAY OPERATION PANEL............................................................................................................. 39
9.2 温度控制 TEMPERATURE CONTROL........................................................................................................................ 39
9.3 模式设定 MODE SETTING........................................................................................................................................ 40
9.4 除霜功能 DEFROSTING FUNCTION.......................................................................................................................... 40
9.5 门开提示和门开报警 OPEN DOOR ALARM (NONE)............................................................................................... 41
9.6 故障代码及解决方法 ERROR CODE AND SOLUTIONS............................................................................................ 41
9.7 测试模式 TEST MODE............................................................................................................................................. 41
9.8 商场演示模式 DEMO MODE（NONE）.................................................................................................................. 42
9.9 断电记忆功能 BACKUP DATA FOR POWER FAIL....................................................................................................... 42
10. 压缩机 COMPRESSOR.....................................................................................................................................43
10.1 压缩机的开停控制规则 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS ............................................... 43
11. 故障排除方法 TROUBLESHOOTING METHOD .............................................................................................44
11.1 不制冷（风冷电控式）NO COOLING (AIR COOLING-ELECTRONIC)................................................................... 44
11.2 压缩机不工作 NO WORKING OF COMPRESSOR................................................................................................... 46
11.3 内部结冰霜、不化霜 INSIDE FROSTING,NO DEFROSTING.................................................................................. 47
11.4 内部结冰霜、不化霜-维修指引 INSIDE FROSTING,NO DEFROSTING-MAINTENANCE GUIDELINES ................... 48
11.5 灯不亮 LIGHT IS NOT ON....................................................................................................................................... 49
11.6 风扇不良 FAN FAILURE ......................................................................................................................................... 50
11.7 除霜回路不良 DEFECTIVE DEFROST CIRCUIT...................................................................................................... 50
11.8 噪音 NOISE............................................................................................................................................................ 51
11.9 风门不动作（电控式）AIR DUCT NOT OPERATED.............................................................................................. 51
11.10 制冰机不制冰 ICE MAKER NOT MAKE ICE（OPTION）...................................................................................... 52
12. 产品爆炸图和备件明细 PRODUCT EXPLODED VIEW AND SPARE PARTS LIST.....................................53

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1. 重要更新说明 Significant update notes (None)
涉及 C、D类重要设计变更时，需要在本章节添加相应的内容或文件，且以下情况必须体现变
更内容:1)电控件结构、原理发生变更时；

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2. 安全警告 Safety Warning
2.1 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.
WARNING
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this appliance near water.
6) Clean only with a damp cloth.
7) Do not block any ventilation openings.
8) Install in accordance with the manufacturer’s instructions.
9) Do not install near any heat sources, such as radiators, heat registers, stoves, or
other apparatus that produce heat.
10) Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the third prong are provided for your
safety. If the provided plug does not fit into your outlet, consult an electrician for replacement
of the obsolete outlet.
11) Protect the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit from the appliance.
12) Do not attempt to modify or extend the power cord of this appliance.
13) Unplug this appliance during lightning storms or when it will not be used for long
periods of time.
14) Make sure that the available AC power matches the voltage requirements of this
appliance.

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CONNECTING ELECTRICITY
Electrical Shock Hazard.
Plug into a grounded 3-prong outlet.
Do not remove the ground prong.
Do not use an adapter.
Failure to follow these instructions can
result in death, fire, or electrical shock.
WARNING
Electric Shock Hazard
Failure to follow these instructions can result in electric shock, fire, or
death.
1) WARNING–Keep ventilation openings, in both the freezer and the built-in structure,
clear of obstruction.
2) WARNING–Do not touch the interior of the freezer with wet hands. This could result
in frost bite.
3) WARNING–Do not use mechanical devices or other means to accelerate the
defrosting process, other than those recommended by the manufacturer.
4) WARNING–Do not damage the refrigerant circuit.
5) WARNING–Do not damage the refrigerant tubing when handling, moving, or using
the freezer.
6) WARNING–DANGER–Never allow children to play with, operate, or crawl inside the
freezer. Risk of child entrapment. Before you throw away your old freezer:
6-1) Take off the doors
6-2) Leave the shelves in place so that children may not easily climb inside
7) Unplug the freezer before carrying out user maintenance on it.
8) This freezer can be used by children age eight years and older and persons with
reduced physical or mental capabilities or lack of experience and knowledge if they are
given supervision or instruction concerning the use of the freezer in a safe way and
understand the hazards involved. Children should not play with the freezer. Cleaning and
maintenance should not be performed by children without supervision.
9) If a component part is damaged, it must be replaced by the manufacturer, its service
agent, or similar qualified persons in order to avoid a hazard.
10) Please dispose of the freezer according to local regulations as the freezer contains
flammable gas and refrigerant.
11) Follow local regulations regarding disposal of the freezer due to flammable
refrigerant and gas. All refrigeration products contain refrigerants, which under the
guidelines of federal law must be removed before disposal. It is the consumer's
responsibility to comply with federal and local regulations when disposing of this product.
12) This freezer is intended to be used in household and similar environments.

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13) Do not store or use gasoline or any flammable liquids inside or in the vicinity of this
freezer.
14) Do not use extension cords or ungrounded (two-prong) adapters with this freezer. If
the power cord is too short, have a qualified electrician install an outlet near the freezer. Use
of an extension cord can negatively affect the freezer’s performance.
Grounding requirement
This freezer must be grounded. This freezer is equipped with a cord having a grounding
wire with a grounding plug. The plug must be inserted into an outlet that is properly installed
and grounded.
Improper use of the grounding plug can result in a risk of electric shock. Consult a
qualified electrician or service person if the grounding instructions are not completely
understood, or if doubt exists as to whether the freezer is properly grounded.
2.2 冷媒安全须知 Safety instruction for refrigerant
Explosion Hazard.
Keep flammable materials and vapors, such as gasoline, away from freezer. Failure to do so
can result in fire, explosion, or death.
Safety instruction for refrigerant
DANGER–Risk of Fire or Explosion. Flammable Refrigerant Used. To Be Repaired Only By
Trained Service Personnel. Do Not Use Mechanical Devices. Do Not Puncture Refrigerant
Tubing. CAUTION–Risk of Fire or Explosion. Flammable Refrigerant Used. Consult Repair
Manual/Owner’s Guide Before Attempting To Service This Product. All Safety Precautions
Must be Followed. CAUTION–Risk of Fire or Explosion. Dispose of Properly InAccordance
With Federal Or Local Regulations. Flammable Refrigerant Used. CAUTION–Risk of Fire or
Explosion Due To Puncture Of Refrigerant Tubing; Follow Handling Instructions Carefully.
Flammable Refrigerant Used.

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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 hou
rs before power on.
3.2 门体拆装 Door Disassembly and Assembly
当整机无法进入室内时，可以拆下门体，分开进入后再组装起来。When the whole refrigerator
cannot enter the room, the door can be disassembled, then assembled after entering
separately.
3.3 安装位置 Installation location
安装位置 Installation location
请选择通风的位置摆放冰箱，按照图示的建议尺寸预留空
间，这样有利于散热、提升性能和降低能耗。Please select
a ventilated place to place the refrigerator, and reserve
space according to the recommended size in the picture,
which is conducive to heat dissipation, performance
improvement and energy consumption reduction.

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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，底
脚顺时针旋转冰箱升高；底脚逆时针旋转冰箱降低。If the
refrigerator cannot be placed steadily, adjust the footing
to level it. Turn the feet clockwise to raise the refrigerator;
turn the feet counterclockwise to lower the refrigerator.
3.5 左、右开门更换 Left or right open door reversal
左右换门 Door reversal
1) 断开电源，移除冰箱中所有食物；Power off and remove
all food from the fridge.
2) 取下箱体顶部右侧铰链罩、螺钉和上铰链，左侧的孔盖。
Dismantle the upper hinge cover, screws and upper hinge
from the right top, and remove the cover plate from the left
top.
3) 取下冷冻门。Take off the freezer door.
4) 拆下中铰链、螺钉，将冷藏室门体向上从下铰链中取出。
Unscrew the three screws holding the center hinge, remove
the hinge, then lift the refrigerator door up and away from
bottom hinge.

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5) 拆下下铰链和螺钉 Remove the bottom hinge and
screws.
6) 将下铰链轴拆下移动到左边并拧紧，然后将下铰链安装
到冰箱的左侧 Unscrew the hinge shaft from the right side
of the bottom hinge and move it to the left side,
then secure the bottom hinge to the bottom left side of
the refrigerator.
7) 拆下冷藏门上的轴套、孔盖、螺钉和门止档，安装到另
一侧 Dismantle the sleeves, hole cap, screws and door
stopper on the refrigerator door, and assemble them on
the other side.
8) 拆下冷冻门右上的轴套，安装到另一侧 Dismantle the
sleeves, and assemble them on the other side.
9）取下冷冻门右下的门止档和自锁并保存好，从附件塑料
袋中取出左止档和自锁，安装在冷冻门上 Remove the
freezer door self-locking block and stopper, save the to
reuse. Take out the left self-locking block and stopper
from the accessory plastic bag in the refrigerator and
installed on the left of door.

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10)将冷藏门安装到下铰链上，从附件塑料袋中取出另一
侧中铰链并安装上 Put down the refrigerator door on the
bottom hinge, take out the middle hinge of the other side
from the accessory plastic bag, then assemble the
middle hinge.
11)将冷冻门安装到左中铰链上，从附件塑料袋中取出另
一侧的上铰链和铰链罩，安装上铰链和螺钉，盖上铰链罩。
右侧安装之前拆下的孔盖。Put down the freezer door on
the middle hinge, then take out the top hinge and cover
of other side from the accessory plastic bag. Then
assemble the left top hinge, hinge cover and hole cover.
3.6 门把手安装 Installation of handle（Option）
把手安装 Installation of handle
1) 取下门正面的孔盖。Remove the hole covers on the
front of the door.
2) 从附件袋中取出门把手，螺栓和螺钉盖。Take out the
door handle, bolts and screw covers from the accessory
plastic bag.

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3）将螺栓固定在门正面的螺钉孔中 Fix the bolts①in the
screw hole on the front of the door.
4）将门把手装到螺栓上 Install the door handle②onto
the bolts.
5）将门把手孔中的内六角螺钉拧紧 Tighten the Allen
screws③in the door handle hole.
6）在螺钉外装上螺钉盖。Install the screw cover④on the
screw of the door handle.

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4. 主要部件和外形尺寸 Main parts and external dimension
4.1 主要零部件 Main parts
（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)

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4.2 外形尺寸 External dimension
描述Description
代码Code
尺寸Size (mm)
高度Height to top of Cabinet
A
1677
宽度Width
B
750
深度/箱体Depth w/Cabinet
C
705
深度/含门体Depth w/Door
D
784.5
深度/含门把手Depth w/Handle
E
835
深度/开门90°Depth (Door open 90 deg. w)
F
1485.5
深度/开门135°Depth (Door open 135 deg. w)
G
1288.5
宽度/开门135°Width (Door open 135 deg. w)
H
1270
（本图片为参考示意图）(The picture is only for reference)
4.3 美的冰箱产品序列号和位置 Midea product serial number and location
1）Product Serial Number —包含定单号、生产日期等信息。当产品发生问题时，需要将它记录或拍照，
提供给我们。Including order number, production date and other information. When the product occur
problem, it needs to be recorded or photographed and provided to us.

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2）序列号的粘贴位置 Paste location
有些产品在箱体的右侧的下部也有 S/N. Some products also have S/N on the lower part of the right side of
the Cabinet.

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5. 电控系统 Electric control system
5.1 电器件参数 Electrical parts parameters
市场型号 Applicable Model
HD-663FWEN
产品型号 Product Model
UR-BCD510WE-DQ
产品编码 Product code
22031020006621
额定电压 Rated Voltage
115V、50Hz
项目 Item
规格 Specification
规格 Specification
制冷剂 Refrigerant
R600a
压缩机型号和品牌 Compressor
EZ75E1A (GMCC)
(Part code : 11101010008725)
压缩机驱动类型 Starting device type
定速 Fixed Speed
压缩机 COP The COP of compressor
1.64(W/W)
压缩机最大制冷量 The max cooling
capacity of compressor
153 W
压缩机接线柱绕组值 Winding
resistance of compressor wiring
terminal (20℃)
主绕组 Rmc:5.35 Ω±7%
副绕组 Rsc:8.01 Ω±7%
Rms = Rmc + Rsc
绕组图示 Winding resistance picture
启动器 Starter(PTC)
型号：QP2-4R7
(Part code:17431000031466)
过载保护器 Overload protector(OLP)
型号：DRB31T61A1-2
(Part code : 17431000031465)
整体式启动器+保护器 Integrate
PTC+OLP
None
变频驱动板 Variable frequency
driver board
None
电容 Capacitor
8.0μF/250V
电源滤波器 Power filter (EMI)
None
电源电抗器 Power reactor (EU EMC)
None
电机 Motor
冷冻室风扇电机 Fan motor of the
freezing chamber
DC12V、4.0 W、1850r/min
冷藏室风扇电机 Fan motor of the
refrigerating chamber
None
电动风门 Electric damper
None
灯Lights

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冷藏室灯 Lights inside the
refrigerating chamber
125V、40W
None
冷冻室灯 Lights inside the freezing
chamber
None
None
其它灯 Others Lights
None
None
冰箱灯开关 Switch of the light
■机械 Mechanical switch
□磁控 Magnetism control switch
None
化霜部件 Defrosting parts
化霜传感器 Defrosting sensor
型号：NTC B3839 ( B5/25=3839K±2% )
冷冻室化霜熔断器 Fuse in freezing
chamber
230V、73(0 ～-5) ℃
冷冻室化霜加热器 Defrost heater in
freezing chamber
115V、180W

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5.2 电路图 Circuit diagram
F: Freezer R: Refrigerator

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5.3 定频主控板端子接线图 Main PCB terminal connection diagram
接线端子名称 Connecting terminals
接线端子名称 Connecting terminals
1、压缩机 Compressor
2、冷冻化霜加热器 Freezing frost heater
3、制冰机 Ice maker
4、冷冻风机 Freezing fan motor
5、环温传感器 Ambient temperature sensor
6、冷冻化霜传感器 Freezing defrost sensor
7、冷藏温度传感器 Refrigeration sensor