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Service Manual, 2016-12
Service Manual
Applicable Models
Model No.
UR-BCD326WE-DQ
22031020000124
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
Prepared by
R&D:Lu Tao
QA:Wang Tao
Reviewed by
SVC:Chen Lei
R&D:Geng Xiuhua
Approved by
SVC:Guang Taoshuai
1 / 44
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Table of Contents
Related Manuals for Midea UR-BCD326WE-DQ
Summary of Contents for Midea UR-BCD326WE-DQ
- Page 1 Service Manual, 2016-12 Service Manual Applicable Models Model No. UR-BCD326WE-DQ 22031020000124 (The picture is only for reference, and specific appearance and configuration are subject to the real product) Prepared by R&D:Lu Tao QA:Wang Tao Reviewed by SVC:Chen Lei R&D:Geng Xiuhua...
- Page 2 Midea Refrigerators Technical Maintenance Manual Copyright @2016 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. 2 / 44...
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Page 3: Table Of Contents
Service Manual, 2016-12 Contents 1.SAFETY WARNING CODE ......................5 ....................5 1.1W ARNING FOR OPERATION SAFETY ..................8 1.2S AFETY INSTRUCTION FOR REFRIGERANT 2.DESCRIPTION FOR PRODUCT FEATURES ................9 3.INSTALLATION AND COMMISSIONING ................10 ............................. 10 3.1H ANDLING ) ........................10 3.2D ISASSEMBLY ...................... - Page 4 Service Manual, 2016-12 ) ........................27 8.8 B AR COUNTER ) ......................27 8.9 W ATER DISPENSER ) ........................27 8.10 I CE MAKER ................27 9. F 9.1 O UNCTION AND OPERATION PERATION PANEL ............................27 9.2 B UTTON ...........................
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Page 5: Safety Warning Code
Service Manual, 2016-12 1.Safety Warning Code 1.1Warning for operation safety 5 / 44... - Page 6 Service Manual, 2016-12 6 / 44...
- Page 7 Service Manual, 2016-12 7 / 44...
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Page 8: Safety Instruction For Refrigerant
Service Manual, 2016-12 1.2Safety instruction for refrigerant 8 / 44... -
Page 9: Description For Product Features
Service Manual, 2016-12 2.Description for product features This product is provided with following features: (The picture is only for reference, and specific appearance and configuration are subject to the real product) 1） Full air-cooling and frost-free design 2） Electronic temperature control system with more accurate temperature control. 3）... -
Page 10: Installation And Commissioning
Service Manual, 2016-12 3.Installation and commissioning 3.1Handling 1) Protecttherefrigeratorinmovingit Sameasshownasleftphoto,pleasemoveitbyhandcartwi thcushion 2) Removeallpackingmaterialsandbottomcushion,then moveintohouseforplacement 3) Aftermovingittoappropriatelocation,waitfor2hoursbe forepoweron. 3.2Disassembly (None) The refrigerator door needs to be dismantled if it cannot enter the room in the whole. 3.3 Installation location Location that is easy for ventilation shall be chosen to facilitate heat dissipation, enhance its performance and reduce the energy consumption. -
Page 11: Leveling Of The Refrigerator
Service Manual, 2016-12 3.4 Leveling of the refrigerator If the refrigerator cannot be placed steadily, adjust the footing to level it. 3.5Change the door opening direction 1. Remove the hinge cover. Unscrew and remove the top hinge. 2. Lift the freezer door up and away from the appliance. - Page 12 Service Manual, 2016-12 4．Remove right bottom hinge and reserve the screws. Remove screw covers at left corner and put them into the screw holes at right corner. Install left hinge by using those reserved screws. 5. Remove right pin assemblies from the bottom of the freezer and refrigerator doors.
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Page 13: Installation Of Handle(None)
Service Manual, 2016-12 3.6 Installation of handle(None) 3.7 Installation of door lock(None) 3.8 Adjustment to level the door(None) 3.9 Adjustment to shelves(None) 4.Terms 4.1 Definition of model(None) 4.2Location of nameplate Label (The picture is only for reference, and specific appearance and configuration are subject to the real product) 13 / 44... -
Page 14: Product Specification
Service Manual, 2016-12 5.Product specification 5.1 typespecification(None) 5.2 Electrical parameters UR-BCD326WE-DQ Product Name 22031020000124 Product Code Name Item Type Specification Specification Specification EZ80E1C Compressor Starter QP2-4R7 Overload protector DRB31T61A1 ±7%Ω Rmc:4.82 Winding resistance of Compressor ±7%Ω compressor wiring Rsc:4.96 Rms=Rmc+Rsc... -
Page 15: Circuit Diagram
Service Manual, 2016-12 Can’t be restored Thermal fuse Steel pipe 115V/200W Defrosting heater in freezing chamber 5.5Circuit diagram 15 / 44... -
Page 16: Internal View And Dimension
Service Manual, 2016-12 6.Internal view and dimension 6.1Main parts and their names (The picture is only for reference, and specific appearance and configuration are subject to the real product) 1.Air duct components in freezing chamber 7.Steel wire shelf in freezing chamber 2.Air duct components in refrigerating 8.Bottle frame in freezing chamber chamber... - Page 17 Service Manual, 2016-12 Down view Open Door Maximum open angle of door(135 17 / 44...
- Page 18 Service Manual, 2016-12 (The picture is only for reference, and specific appearance and configuration are subject to the real product) 18 / 44...
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Page 19: Refrigerating Piping System And Circulating Route Of Cooling Air 7.1 Refrigerating Piping System
Service Manual, 2016-12 7.Refrigerating piping system and circulating route of cooling air Refrigerating piping system 1Compressor→2Anti-condensation tube→3Condenser→4Dry filter→5Capillary tube→6Evaporator→7Regenerator→8Suction tube→1Compressor (The picture is only for reference, and specific appearance and configuration are subject to the real product) 19 / 44... -
Page 20: Circulating Route Of Cooling Air
Service Manual, 2016-12 7.2Circulating route of cooling air (The picture is only for reference, and specific appearance and configuration are subject to the real product) 20 / 44... -
Page 21: Dismantling Of Parts
Service Manual, 2016-12 8. Dismantling of parts 8.1 Parts on the door Door seal Door seal is installed into door liner groove. 1） Open the refrigerator door; 2） Take the door seal ①out of door liner; Door tray Lift up the bottle frame and take it out from the door liner of the refrigerator. -
Page 22: Light System
Service Manual, 2016-12 8.3Light system Light Light of the refrigerating chamber is located upper chamber 1） Remove the lamp cover 2） Remove the bulb Light switch There is a light switch on the side wall of the refrigerating chamber. 1） Loosen the hook with small normal screwdriver and pull out the switch until the wire connector reveals. -
Page 23: Evaporator And Temperature Sensing System
Service Manual, 2016-12 1） usescrewdrivertoremovethe2screwson the back of Freezer air duct,then remove rhe front cover,fan motor assembly can be taken out 2） seperatethefanbladefromfanmotor(pullforcibly) 3） use screwdrivertoremovethescrew, thenseperatethebracketfromfanmotor 4） angethefanmotor,thereverseoperationforassembly (None) Damper assembly Evaporator and temperature sensing system Evaporator in freezing chamber 23 / 44... - Page 24 Service Manual, 2016-12 1） Remove the air duct components in freezing chamber. 2） Disconnect all connectors. 3） Remove the welding on inlet and outlet tubes. 4） Remove two screws which are used to fix the evaporator and remove the evaporator. Components on the evaporator Fuse The fuse is located on top of the evaporator...
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Page 25: Compressor Case
Service Manual, 2016-12 Before remove the sensor, the freezer duct assembly should be removed 1） Remove the air duct assembly from the freezer. 2） Remove the sensor. Ambient temperature sensor None Freezer sensor None 8.6Compressor case Rear cover and compressor case None Condenser fan moto None... - Page 26 Service Manual, 2016-12 1） Remove two screws from the refrigerating air duct with a cross screwdriver; 2） Pull all connector terminals out of the refrigerating air duct to remove its components; 3） Uncover the temperature control indication sticker on the cover plate of the air duct; 4）...
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Page 27: Bar Counter(None)
Service Manual, 2016-12 Bar counter(None) Disassembly and installation of bar counter None Disassembly and installation bar doorseal None Water dispenser(None) Disassembly and installation of water valve None Disassembly and installation of water tank None Ice maker(None) 8.10 Disassembly and installation of ice maker None Disassembly and installation of water system None... -
Page 28: Control Of Standby Function
Service Manual, 2016-12 When failure occurs, the corresponding LED light group will display fault code (circular display); If no failure occurs, the current operation gear will be displayed. Setting of the gear Press the gear setting button ‘SET’ once, the gear will be changed once; 25 seconds after setting the gear, the refrigerator will be running in accordance with the set value. -
Page 29: Defrosting Function
Service Manual, 2016-12 freezing chamber according to the method in described in Article 8.4 and then inspect the sensor against the resistance value table in 10.8. Step 3: Replace main control board Step 4: Replace electrical wiring main harness 9.9Defrosting function 1.Defrost the freezing chamber as per the accumulative operation time of the Compressor2.If power failure occurs abruptly to the Compressor and the defrosting sensor in freezing chamber is less than 0... -
Page 30: Self-Diagnosis
Service Manual, 2016-12 In forced defrosting mode, if the temperature of defrosting then the refrigerator will exit the test mode sensor is always lower than and return to normal operation mode 8° C and the defrosting heater has been working for 1 hour, Select to Enter into test mode and press then the refrigerator will exit the test mode... -
Page 31: Door Trip Test Circuit(None)
Service Manual, 2016-12 compressor, ice maker and defrost heater. The DC 12V power will output stable 5V electricity after passing through the adjustor 7805, to power for the main control chip and thus monitor the temperature changes in refrigerator. 10.2Door trip test circuit(None) 10.3Temperature test circuit Its conducted by the sensor, making use of the characteristics that resistance value reduces as the temperature increases, and the thermistor that has temperature coefficient of resistance in medium... -
Page 32: Fan Motor Circuit Of The Freezing Chamber
Service Manual, 2016-12 10.4Fan motor circuit of the freezing chamber The fan in the freezing chamber is running when the compressor is operating. Check 12V and FAN to see if there is a voltage of 12V. When in normal operation, the fan is in low level and the voltage between 12V and FAN is more than 11V. - Page 33 Service Manual, 2016-12 22.43 9.82 4.589 2.287 1.209 21.18 9.316 4.372 2.188 1.161 20.01 8.841 4.167 2.094 1.115 18.9 8.392 3.972 2.005 1.071 17.87 7.968 3.788 1.919 1.029 16.9 7.568 3.613 1.838 0.9885 15.98 7.19 3.447 1.761 0.9506 15.12 6.833 3.29 1.687 0.914...
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Page 34: Troubleshooting Method
Service Manual, 2016-12 11.Troubleshooting Method 11.1 No refrigeration 34 / 44... - Page 35 Service Manual, 2016-12 35 / 44...
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Page 36: Compressor Failure
Service Manual, 2016-12 11.2 Compressor failure 36 / 44... -
Page 37: Defrosting Is Not Working
Service Manual, 2016-12 11.3 Defrosting is not working 37 / 44... -
Page 38: Fan In The Freezing Chamber Is Abnormal
Service Manual, 2016-12 11.4 Fan in the freezing chamber is abnormal Refer to this method for other fans. 38 / 44... -
Page 39: Damper Is Abnormal(None)11.6 Lights Inside The Refrigerator Don't Light Up
Service Manual, 2016-12 11.5 Damper is abnormal(None)11.6 Lights inside the refrigerator don’t light up 39 / 44... -
Page 40: Figures And Details Of Repair Parts(Documents Are Provided Separately)
Service Manual, 2016-12 12. Figures and details of repair parts( Documents are provided separately 12.1 Figure 12.2 List of parts and components 13Appendix: 13.1Electrical Schematic Diagram (Model:***) 13.2refrigerator maintenance tooling and equipment and material Tooling Name Photo Main Usage Phillips screwdriver screw assemble and disassemble 40 / 44... - Page 41 Service Manual, 2016-12 screw and rivet assemble and slotted screwdriver/scraper disassemble hinge and compressor screw Socket spanner 5/16″ assemble and disassemble display panel and air duct Sucker cover disassemble handle assemble and Allen wrench（2.8~4mm） disassemble Vise grip pliers sealing process tube Pipe cutter pipe cutting Knife...
- Page 42 Service Manual, 2016-12 Nipper pliers assistive tool Capillary tube scissors Shear capillary Equipment Name Photo Main Usage Vacuum pump vacuum pumping Electronic scale weighing refrigerant/gas pipe and cooling High pressure nitrogen with system(condenser, evaporator, piezometer etc) impurities clean Soldering gun heating and welding 42 / 44...
- Page 43 Service Manual, 2016-12 connection process Quick coupling pipelinevacuumorchargerefriger antwillbeused. welding point leakage detect, if hand leak detector no, use soap-suds material Name Photo Main Usage Process pipeline Chargetherefrigerant Involving a system failure to be Dry filter replaced Copper welding rod tube welding Refrigerant/gas Add refrigerant to the system...
- Page 44 Service Manual, 2016-12 Midea Refrigerators If you need to get detailed technical information from the manufacturer, please contact: xxx@midea.com Refrigeration Division Overseas Sales Company Address: No. 176, Jinxiu Avenue, Economic-Technological Development Area, Hefei, Anhui, China 44 / 44...
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