Midea COMPACT Series Service Manual
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Service Manual
(The picture in this service manual is only for reference, and specific appearance and configuration are
subject to the real product)
COMPACT SERIES
Applicable Models
UR-BD186-DQ
Prepared by
Reviewed by
Approved by
1
Service Manual_2018-V1.0
Model Code
22031010001841
R&D:Liu Ya
QA:Gao Hongbing
SVC: Zhang Kun
R&D:Liu Chao
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Table of Contents
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Summary of Contents for Midea COMPACT Series
- Page 1 Service Manual_2018-V1.0 Service Manual COMPACT SERIES Applicable Models Model Code UR-BD186-DQ 22031010001841 R&D:Liu Ya Prepared by QA:Gao Hongbing Reviewed by SVC: Zhang Kun R&D:Liu Chao Approved by (The picture in this service manual is only for reference, and specific appearance and configuration are...
- Page 2 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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Page 3: Table Of Contents
Service Manual_2018-V1.0 Contents 1. SAFETY WARNING CODE ........................... 5 ........................... 5 1.1 W ARNING FOR OPERATION SAFETY 1.2 S ......................... 7 AFETY INSTRUCTION FOR REFRIGERANT 2. DESCRIPTION FOR PRODUCT FEATURES ..................... 8 3. INSTALLATION AND COMMISSIONING ......................9 3.1 H ................................... - Page 4 Service Manual_2018-V1.0 ..............................21 8.7 C OMPRESSOR CASE 8.8 D ............................26 ISPLAY CONTROL BOARD ............................26 8.9 M AIN CONTROL BOARD 8.10 B ................................ 26 AR COUNTER ..............................26 8.11 W ATER DISPENSER 8.12I ................................26 CE MAKER 9. FUNCTION AND OPERATION ..........................27 ..............................
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Page 5: Safety Warning Code
Service Manual_2018-V1.0 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. - Page 6 Service Manual_2018-V1.0 CONNECTING ELECTRICITY Electrical Shock Hazard. Failure to follow these instructions can Plug into a grounded 3-prong outlet. result in death, fire, or electrical shock. Do not remove the ground prong. Do not use an adapter. WARNING Electric Shock Hazard Failure to follow these instructions can result in electric shock, fire, or death.
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Page 7: Safety Instruction For Refrigerant
Service Manual_2018-V1.0 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. -
Page 8: Description For Product Features
Service Manual_2018-V1.0 2. Description for product features This product is provided with following features: Mechanical temperature control 1） Cooling evenly and quickly; 2） Shelf design, increase storage space 3） Change the door opening direction 4）... -
Page 9: Installation And Commissioning
Service Manual_2018-V1.0 3. Installation and commissioning 3.1 Handling Handling 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 n move into house for placement 3)After moving it to appropriate location, wait for 2 hours before power on. -
Page 10: Door Reversal
Service Manual_2018-V1.0 If the refrigerator cannot be placed steadily, adjust the footing to level it. 3.5 Door reversal Door reversal 1) Fix the door by tapes. 1) 2) Dismantle hinge hole cap, the upper right hinge cover, fitting screws of upper right hinge, and remove the upper right hinge, please keep the door vertical in whole process for avoiding falling. -
Page 11: Installation Of Handle
Service Manual_2018-V1.0 5) Dismantle the lower hinge and adjustable leg. 4) 6) Install the lower hinge and adjustable leg on lower left side of cabinet. 7)Put the door on lower hinge vertically, and validate the gas tightness of door gasket, take out the spare upper left hinge and hinge cover from accessory bag, then install the upper left hinge by fitting screws, finally to install the hinge cover, and cover the hinge hole cap on... -
Page 12: Terms
Service Manual_2018-V1.0 4. Terms 4.1 Definition of model (None) 4.2 Location of nameplate (None) -
Page 13: Product Specification
Service Manual_2018-V1.0 5. Product specification 5.1 Type specification(None) 5.2 Electrical parameters None None None Product Name UR-BD186-DQ Product Code 22031010001841 None None None Item Specification Specification Specification Specification Compressor Compressor EZ75E1B-U None None None 启动器 Starter(PTC) QP2-4R7 None None None Overload DRB29T61A1 None... -
Page 14: Inside Temperature
Service Manual_2018-V1.0 5.3 Inside temperature Temperature tolerance ≤ 2 The highest ( Lowest ( Compartment Freezing None None Refrigerating None None Variable temperature 5.4 Defrosting parts Item Initial defrosting period Normal defrosting period Defrosting period None None Defrosting sensor None None Defrosting temperature None... -
Page 15: Circuit Diagram
Service Manual_2018-V1.0 5.5 Circuit diagram... -
Page 16: Internal View And Dimension
Service Manual_2018-V1.0 6. Internal view and dimension 6.1 Main parts and their names Freezer chamber Refrigerator chamber ❶Thermostat box and assembly None ❷Top shelves ❸Bottom shelf... -
Page 17: External Dimension
Service Manual_2018-V1.0 6.2 External dimension Description Code Size (mm) Height to Top of Case 1430 Width Depth w/Handles Depth (Total with Door Open) 1065 Width (door open 90 deg. w/ handle) None... -
Page 18: Refrigerating Piping System And Circulating Route Of Cooling Air
Service Manual_2018-V1.0 7. Refrigerating piping system and circulating route of cooling air 7.1 Refrigerating piping system ❶Compressor→❷Right condenser→❸Anti-condensation tube→❹Left Condenser→❺Dry filter→❻Capillary tube→❼Evaporator→❽Suction tube→❶Compressor 7.2 Circulating route of cooling air(None) -
Page 19: Dismantling Of Parts
Service Manual_2018-V1.0 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 out of door liner; Guardrail Guardrail None Door stopper Door stopper None rollover beam rollover beam... -
Page 20: Light System
Service Manual_2018-V1.0 8.3 Light system Light Light None Light switch Light switch None Pilot light Pilot light None Fresh light Fresh light None 8.4 Air duct components refrigerating chamber Air duct components refrigeratingchamber Air duct components refrigeratingchamber None 8.5 Air duct components in freezing chamber and fan motor Disassembly and installation of Air duct Disassembly and installation of Air duct None... -
Page 21: Compressor Case
Service Manual_2018-V1.0 Thermostat 1） Remove the rotary knob，the cap and screw on the assembly thermostat-box Remove the connector and dismantle the 2） thermostat assembly -box Remove the thermostat panel -box 3） Loosen the thermostat fastening screw 4） 5 ） Remove the thermostat-box cover and replace the thermostat. - Page 22 Service Manual_2018-V1.0 1） Cut off the power, remove the goods in the refrigerator, with the tape to make the door fixed firmly and prevent the door dropping when the refrigerator dumping. 2） Slowly tilt the refrigerator forward, relying on the wall or a solid enough object, leaving space to facilitate the operation.
- Page 23 Service Manual_2018-V1.0 5）Remove the clipping strip Slowly pull it out 6）Remove the protective cover -Pry the protective cover slowly from the upper part, -Pull it out and remove it. 7）Remove the starter and protector Unplug the starter and protector (you can use a screwdriver to pry it slowly) 8）Loosen the screw of the compressor bottom plate, remove the floor together with the compressor from the...
- Page 24 Service Manual_2018-V1.0 9）Use the wrench to remove the bolts by steps❹❺❻❼, replace the compressor and reverse process can complete installation. 10）Use Pipe cutter cut off the condenser tube❽, then Shear off capillary ❾ by the capillary tube scissors. 11）Replace the compressorand welding the compressor pipeline.-❿Welding the process pipeline.-⓫Welding the low-pressure muffler.-⓬Welding the high-pressure exhaust pipe.
- Page 25 Service Manual_2018-V1.0 13）Vacuum system,The degree of vacuum below 6Pa. 14）Perfusion refrigerant. 15）Use the vise grip pliers clamp the middle of the process pipe, then seal welding process tube⓯⓰. Condenser fan motor Condenser fan motor None Standby condenser Standby condenser None Piping system in the compressor case ❶...
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Page 26: Display Control Board
Service Manual_2018-V1.0 8.8 Display control board Display control board None Display control board 8.9 Main control board Main control board Main control board None 8.10 Bar counter Bar counter Disassembly and installation of bar counter None Disassembly and installation bar doorseal None 8.11 Water dispenser Water dispenser... -
Page 27: Function And Operation
Service Manual_2018-V1.0 9. Function and operation 9.1 Operation panel Icons Button ❶Max ⒶTemperature control knob ❷Mid ❸Min 9.2 Temperature control Direct cooling mechanical refrigerator, through the thermostat knob to adjust the stalls. Turn the temperature control knob to MAX, the internal temperature of the refrigerator becomes lower. Turn the temperature control knob to MIN, the internal temperature of the refrigerator becomes higher. -
Page 28: Circuit Description
Service Manual_2018-V1.0 10. Circuit description 10.1 Power Supply(None) 10.2 Test circuit for door switch(None) 10.3 Temperature test circuit(None) 10.4 Freezer chamber fan motor circuit (None) 10.5 refrigerating chamber fan motor circuit (None) 10.6 Condensation fan circuit (None) 10.7 Fan motor circuit of the ventilation door(None) 10.8 Resistance value of the sensor (R/T) (None) -
Page 29: Troubleshooting Method
Service Manual_2018-V1.0 11. Troubleshooting Method 11.1 Not cooling... -
Page 30: Not Working Of Compressor
Service Manual_2018-V1.0 11.2 Not working of compressor 11.3 Thermostat malfunction-Undercooling... -
Page 31: Light Is Not On(None)
Service Manual_2018-V1.0 11.4 Light is not on(None) 11.5 Noise 12. Figures and details of repair parts(Documents are provided separately) 12.1 Figures 12.2 List of parts and components... -
Page 32: Appendix
Service Manual_2018-V1.0 13. Appendix 13.1 Refrigerator maintenance tooling and equipment and material Tooling Name Main Usage Photo screw assemble and Phillips screwdriver disassemble slotted screw and rivet assemble and screwdriver/scraper disassemble hinge and compressor screw Socket spanner 5/16″ assemble and disassemble display panel and air duct cover Sucker disassemble... - Page 33 Service Manual_2018-V1.0 Capillary tube scissors Shear capillary Knife assistive tool Pipe cutter, Flaring Pipe cutting，flaring device Electronic digital Test temperature thermometer Measurement with resistance, Multi meter voltage, current and so on. Equipment Name Main Usage Photo Vacuum pump with vacuum pumping gauge Electronic scale weighing refrigerant/gas...
- Page 34 Service Manual_2018-V1.0 Connection process pipeline, Quick coupling vacuum or charge refrigerant will be used. Soldering gun heating and welding welding point leakage detect, if hand leak detector no, use soap-suds Material Name Main Usage Photo Process pipeline Charge the refrigerant Involving a system failure to be Dry filter...
- Page 35 Service Manual_2018-V1.0 Aluminium-Aluminium tubes Transition copper pipe welding, maintain lengthen tubes The symbol on the product or its packaging indicates that this product must not be disposed of with your other household waste. Instead, it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment.
- Page 36 Service Manual_2018-V1.0 local authority, or where you purchased your product. MIDEA appliances after sales website For more information about Midea appliances after sales, please visit the tsp.midea.com tsp.midea.com For more information about the service manual, please visit the For more information about the EV and SBOM, please visit the tsp.midea.com...
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