Midea CHEST WINE Series User manual

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Service Manual
CHEST WINE SERIES
(The picture in this service manual is only for reference, and specific appearance and configuration are
subject to the real product)
Applicable Models
Model Code
UR-LC46G-DR
22033010000661
Prepared by
R&D: Gao Yu
Reviewed by
QA: Ke Bing Fei
SVC: Zhang Kun
Approved by
R&D: ZhangHuawei
SVC:Guang Taoshuai

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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 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. SAFETY WARNING CODE............................................................................................................................. 5
1.1WARNING FOR OPERATION SAFETY................................................................................................................ 5
1.2 SAFETY INSTRUCTION FOR REFRIGERANT ...................................................................................................... 7
2. DESCRIPTION FOR PRODUCT FEATURES ................................................................................................ 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 DOOR REVERSAL........................................................................................................................................ 10
3.6 INSTALLATION OF HANDLE(NONE)..................................................................................................................11
3.7 INSTALLATION OF DOOR LOCK.......................................................................................................................11
3.8ADJUSTMENT TO LEVEL THE DOOR................................................................................................................11
3.9ADJUSTMENT TO SHELVES............................................................................................................................11
4. TERMS.......................................................................................................................................................... 12
4.1 DEFINITION OF MODEL(NONE)..................................................................................................................... 12
4.2 LOCATION OF NAMEPLATE(NONE)................................................................................................................ 12
5. PRODUCT SPECIFICATION ........................................................................................................................ 13
5.1 TYPE SPECIFICATION(NONE)....................................................................................................................... 13
5.2 ELECTRICAL PARAMETERS .......................................................................................................................... 13
5.3 INSIDE TEMPERATURE................................................................................................................................. 14
5.4 DEFROSTING PARTS.................................................................................................................................... 14
5.5 CIRCUIT DIAGRAM....................................................................................................................................... 14
6. INTERNAL VIEW AND DIMENSION............................................................................................................ 15
6.1 MAIN PARTS AND THEIR NAMES.................................................................................................................... 15
6.2 EXTERNAL DIMENSION ................................................................................................................................ 15
7.REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR.............................. 17
7.1 REFRIGERATING PIPING SYSTEM.................................................................................................................. 17
7.2 CIRCULATING ROUTE OF COOLING AIR(NONE)............................................................................................... 17
8. DISMANTLING OF PARTS........................................................................................................................... 18
8.1 PARTS ON THE DOOR .................................................................................................................................. 18
8.2 PARTS INSIDE THE REFRIGERATOR............................................................................................................... 19
8.3 LIGHT SYSTEM............................................................................................................................................ 19
8.4AIR DUCT COMPONENTS REFRIGERATING CHAMBER AND FAN MOTOR.............................................................. 19
8.5 EVAPORATOR AND TEMPERATURE SENSING SYSTEM ..................................................................................... 19
8.6 COMPRESSOR CASE................................................................................................................................... 21

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8.7 DISPLAY CONTROL BOARD........................................................................................................................... 26
8.8 MAIN CONTROL BOARD ............................................................................................................................... 26
8.9 BAR COUNTER............................................................................................................................................ 26
8.10WATER DISPENSER................................................................................................................................... 26
8.11ICE MAKER ................................................................................................................................................ 26
9. FUNCTION AND OPERATION ..................................................................................................................... 27
9.1 OPERATION PANEL...................................................................................................................................... 27
9.2 DISPLAY CONTROL(NONE) .......................................................................................................................... 27
9.3TEMPERATURE CONTROL............................................................................................................................. 27
9.4 CONTROL OF STANDBY FUNCTION(NONE)..................................................................................................... 27
9.5 CONTROL OF ICE MAKER (NONE)................................................................................................................. 27
9.6 FAULT CODE AND SOLUTIONS(NONE) ........................................................................................................... 27
9.7 DEFROSTING FUNCTION(NONE)................................................................................................................... 27
9.8 TEST MODE(NONE)..................................................................................................................................... 27
10. CIRCUIT DESCRIPTION ............................................................................................................................ 28
10.1 POWER SUPPLY NONE) ............................................................................................................................ 28
10.2 DOOR TRIP TEST CIRCUIT NONE)............................................................................................................... 28
10.3 TEMPERATURE TEST CIRCUIT NONE).......................................................................................................... 28
10.4 FAN MOTOR CIRCUIT OF THE FREEZING CHAMBER(NONE)............................................................................ 28
10.5 REFRIGERATOR FAN MOTOR CIRCUIT (NONE) ............................................................................................. 28
10.6 CONDENSER FAN MOTOR CIRCUIT(NONE) .................................................................................................. 28
10.7 DAMPER MOTOR CIRCUIT(NONE)............................................................................................................... 28
10.8 SENSOR RESISTANCE(R/T) (NONE)........................................................................................................... 28
11. TROUBLESHOOTING METHOD................................................................................................................ 29
11.1 NO COOLING ............................................................................................................................................ 29
11.2 NO WORKING OF COMPRESSOR................................................................................................................. 30
11.3 INSIDE FROSTING,NO DEFROSTING(NONE)................................................................................................. 31
11.4 INSIDE FROSTING,NO DEFROSTING-MAINTENANCE GUIDELINES................................................................... 31
11.5 LIGHT IS NOT ON....................................................................................................................................... 32
11.6AIR DUCT NOT OPERATED(ELECTRONICALLY)(NONE).................................................................................. 32
11.7 FAN FAILURE(NONE)................................................................................................................................. 32
11.8 DEFECTIVE DEFROST CIRCUIT(NONE)........................................................................................................ 32
11.9 NOISE...................................................................................................................................................... 33
12. FIGURES AND DETAILS OF REPAIR PARTS(DOCUMENTS ARE PROVIDED SEPARATELY)............ 34
12.1 FIGURES.................................................................................................................................................. 34
12.2 LIST OF PARTS AND COMPONENTS ............................................................................................................. 34
13. APPENDIX................................................................................................................................................... 35
13.1 MAINTENANCE TOOLINGAND EQUIPMENT AND MATERIAL............................................................................. 35

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1. Safety Warning Code
1.1 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.

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12) This freezer is intended to be used in household and similar environments.
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.
1.2 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 In Accordance
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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2. Description for product features
This product is provided with following features:
1) Mechanical temperature controlManual defroststeel wire guardrailReversible adjustable
shelfChange the door opening direction

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3. Installation and commissioning
3.1 Handling
Handling
1)Protect the wine in moving it,Same as shown as left ph
oto, p-lease move it by handcart with cushion.
2)Remove all packing materials and bottom cushion, the
n mo-ve into house for placement.
3)After moving it to appropriate location, wait for 2 hours
bef-ore power on.
3.2 Door Disassembly and Assembly
The wine door needs to be dismantled if it cannot enter the room in the whole.
Disassembly of Freezer door
Disassembly of Freezer door
None
Disassembly of refrigerator door
Disassembly of refrigerator door
None
3.3 Installation location
Installation location
Location that is easy for ventilation shall be chosen to
facilitate heat dissipation, enhance its performance and
reduce the energy consumption.

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3.4 Leveling of the refrigerator
Leveling of the refrigerator
If the refrigerator cannot be placed steadily, adjust the
footing to level it.
3.5 Door reversal
Door reversal (Cross handle)
1）Remove the plastic covering from the top door hinge.
2）Unscrew the two screws from the bottom bracket.
Remove the foot from opposite side.
3）Place to one side.
4）Slide the Appliance door down about 15cm and off the
top hinge pin and lift away from the Appliance.

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5）Remove the two screws from top bracket and replace
on the otherside. You will need to first remove the plastic
caps from the other side.
6）Slide theAppliance door back on to the Top hinge,
making sure its the right way up. Screw the bottom hinge
into place on the new side. Replace the other foot on the
other side. Replace the plastic covering by clicking back
into position on the door hinge.
7）Check that the door is aligned horizontally and
vertically and that the seals are closed on all sides before
finally tightening the bottom hinge.
Re-adjust the levelling feet.
3.6 Installation of handle(none)
3.7 Installation of door lock
Installation of door lock
Installation of door lock
None
3.8 Adjustment to level the door
Adjustment to level the door
Adjustment to level the door
None
3.9 Adjustment to shelves
Adjustment to shelves
Adjustment to shelves
None

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4. Terms
4.1 Definition of model(None)
4.2 Location of nameplate(None)

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5. Product specification
5.1 Type specification(None)
5.2 Electrical parameters
Product Name
UR-JC145GE-FR
None
None
None
Product Code
22033010000801
None
None
None
Item
Specification
Specification
Specification
Specification
Compressor
Compressor
UKN35YA
None
None
None
Starter(PTC)
（一体式两器）
QP2-4R7
None
None
None
Overload
protector(OLP)
DRB20R61A2
None
None
None
Winding resistance of
compressor wiring
terminal
Rmc:2.5-14.5Ω
Rsc:7.4-21.4Ω
Rms=Rmc+Rsc
None
None
None
Winding resistance
picture
None
None
None
Variable frequency
driver board
None
None
None
None
The input power of
compressor
70W
None
None
None
Motor
Fan motor of the
freezing chamber
None
None
None
None
Ventilation upper room
fan
None
None
None
None
Condensation fan
None
None
None
None
ice output motor
None
None
None
None
Open door motor
None
None
None
None
Lights inside the refrigerator
Lights inside the
freezing chamber
None
None
None
None
Lights inside the
refrigerating chamber
None
None
None
None

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Switch of the wine
door
None
None
None
None
5.3 Inside temperature
Temperature tolerance ≤ 2 oC
Compartment
The highest (oC)
Lowest (oC)
Freezing
None
None
Refrigerating upper room
10
1
Variable temperature
None
None
5.4 Defrosting parts
Item
Initial defrosting period
Normal defrosting period
Defrosting period
None
None
Defrosting sensor
None
None
Defrosting temperature
controller
None
None
Thermal fuse
None
None
Defrosting heater in freezing
chamber
None
None
5.5 Circuit diagram

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6. Internal view and dimension
6.1 Main parts and their names
Refrigerating chamber
Freezer chamber
1.Refrigerator rollbond evaporator
2.steel wire shelf y
3.Temp control assembly
4.Zip-top can frame
5.Reversible adjustable shelf
None
6.2 External dimension
Description
Code
Size (mm)
Height to Top of Case
A
439.5
Width
B
484
Depth (Total with Door Open)
C
444
Depth w/Handles
D
/
Width (door open 90 deg. w/ handle)
E
/

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7.Refrigerating piping system and circulating route of cooling air
7.1 Refrigerating piping system
❶Compressor→❷Parallel flow condenser→❸Auxiliary condenser→❹Dry filter→❺Capillary
tube→❻Evaporator→❶Compressor
7.2 Circulating route of cooling air(none)

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8. Dismantling of parts
8.1 Parts on the door
Door seal
Door seal is installed into door liner groove.
1) Open the wine door；
2) Take the door seal ①out of door liner；
Door stopper
Door stopper
None
Guardrail
1）Grab the Guardrail and squeeze it sideways
Pull out and remove from the refrigerator

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8.2 Parts inside the refrigerator
Glass shelf
1）With proper force, lift the partition upward and then in
your own direction
2）Lift up the division plate with a proper force and pull it
out towards yourself;
Air duct mask.
Air duct mask.
None
Ice tray
Ice tray
None
8.3 Light system
Light
Light
None
Pilot light
Pilot light
None
Fresh light
Fresh light
None
8.4Air duct components refrigerating chamber and fan motor
Air duct components in freezing chamber
Air duct components in freezing chamber
None
Fan motor of air duct
Fan motor of air duct
None
Damper assembly
Damper assembly
None
8.5 Evaporator and temperature sensing system
Evaporator in freezing chamber

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Evaporator in freezing chamber
None
Components on the evaporator
Defrost thermostat
None
Fuse
None
Defrost sensor
None
Defrost heater
None
Evaporator in refrigerating chamber
Evaporator in refrigerating chamber
1）Take down screws and gaskets on the evaporator.
2）Remove the welding on inlet and outlet tubes..
Components on the evaporator
None
Sensor
Sensor in freezing chamber
None
Sensor in refrigerating chamber
Sensor in refrigerating chamber
None
Ambient temperature sensor
None
Sensor in Variable temperature chamber
None
Thermostat
Thermostat
The thermostat is located on back of the evaporator.
1）Take down screws and gaskets on the evaporator.
The temperature sensing part of the thermostat is
separated from the clamps of the evaporator3）Remove
the screws that hold the temperature control box
4）Remove the screw from the thermostat.
5）Remove the thermostat from the baseplate assembly.