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Service Manual_2018-V1.0

WARNING

Important Safety Notice

There are special components used in this equipment which are important for safety. These parts are marked

in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is

essential that these critical parts should b

e 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

approval by the Overseas Sales Corporation of Midea Refrigerators.

Содержание 22033210000081

Страница 1: ...rvice manual is only for reference and specific appearance and configuration are subject to the real product Applicable Models Model Code UR PC140 DQ 22033210000081 Prepared by R D Tian Song Reviewed...

Страница 2: ...rmission 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 mechani...

Страница 3: ...E 14 4 2 LOCATION OF NAMEPLATE NONE 14 5 PRODUCT SPECIFICATION 15 5 1 TYPE SPECIFICATION NONE 15 5 2 ELECTRICAL PARAMETERS 15 5 3 INSIDE TEMPERATURE 16 5 4 DEFROSTING PARTS 16 5 5 CIRCUIT DIAGRAM 17 6...

Страница 4: ...31 10 3 TEMPERATURE TEST CIRCUIT NONE 31 10 4 FREEZER CHAMBER FAN MOTOR CIRCUIT NONE 31 10 5 REFRIGERATING CHAMBER FAN MOTOR CIRCUIT NONE 31 10 6 CONDENSATION FAN CIRCUIT NONE 31 10 7 FAN MOTOR CIRCUI...

Страница 5: ...ear 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 b...

Страница 6: ...e 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...

Страница 7: ...tions 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 a...

Страница 8: ...2 Description for product features This product is provided with following features 1 Integrative refrigeration chamber 2 Mechanical control 3 Polisher black tower with stainless steel trim 4 Holds m...

Страница 9: ...hours before power on 3 2 Door Disassembly and Assembly The refrigerator door needs to be dismantled if it cannot enter the room in the whole Disassembly of Freezer door Disassembly of Freezer door N...

Страница 10: ...ng to level it 3 5 Door reversal Door reversal 1 Disassembly the top cover fix screw remove the seal plate of top cover 1 2 Disassembly the screw that is fix upper hinge and top cover remove the top c...

Страница 11: ...Service Manual_2018 V1 0 11 4 Reversion the bottom hinge 5 Disassembly left upper hinge install fixed axis to upper hinge install axle sleeve to the door...

Страница 12: ...t upper hinge and right upper hinge 2 7 Assembly the screw that is fix top cover 3 6 Installation of handle Installation of handle Installation of handle None 3 7 Installation of door lock Installatio...

Страница 13: ...Service Manual_2018 V1 0 13 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...

Страница 14: ...Service Manual_2018 V1 0 14 4 Terms 4 1 Definition of model None 4 2 Location of nameplate None...

Страница 15: ...9 77 7 Rms Rmc Rsc 20 None None None Winding resistance picture None None None Variable frequency driver board None None None None The input power of compressor 74 7W None None None Motor Fan motor of...

Страница 16: ...owest o C Freezing None None Refrigerating 7 0 Variable temperature None None 5 4 Defrosting parts Item Initial defrosting period Normal defrosting period Defrosting period None None Defrosting sensor...

Страница 17: ...Service Manual_2018 V1 0 17 5 5 Circuit diagram...

Страница 18: ...Service Manual_2018 V1 0 18 6 Internal view and dimension 6 1 Main parts and their names Freezer chamber Refrigerator chamber None Thermostat Shelf Evaporator Beer can bottom pad...

Страница 19: ...ce Manual_2018 V1 0 19 6 2 External dimension Description Code Size mm Height to Top of Case A 860 Width B 510 Depth w Handles C 660 Depth Total with Door Open D 1140 Width door open 90 deg w handle E...

Страница 20: ...rating piping system and circulating route of cooling air 7 1 Refrigerating piping system Compressor Exhaust transition pipe ondenser Dry filter Capillary tube Evaporator Suction tube Compressor 7 2 C...

Страница 21: ...or stopper None rollover beam rollover beam None 8 2 Parts inside the refrigerator Shelf Lift up the shelf with a proper force and pull it out towards yourself Refrigerator Fruit box cover Refrigerato...

Страница 22: ...8 5 Air duct components in freezing chamber and fan motor Disassembly and installation of Air duct Disassembly and installation of Air duct None Fan motor of air duct Fan motor of air duct None Dampe...

Страница 23: ...welding on inlet and outlet tubes Components on the evaporator None Sensor Sensor in freezing chamber None Sensor in refrigerating chamber None Ambient temperature sensor None Sensor in Variable tempe...

Страница 24: ...ressor case 1 Remove by cross screwdriver the screws fixing back cover plate of compressor chamber anticlockwise 2 Take the back cover plate of compressor chamber upward Compressor and the cooling sys...

Страница 25: ...ne to prevent its falling 3 Cut off the compressor pipeline Cut off the process pipeline Cut off the low pressure muffler Cut off the high pressure exhaust pipe 4 1 Remove the screws for some models T...

Страница 26: ...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 com...

Страница 27: ...Replace the compressorand welding the compressor pipeline Welding the process pipeline Welding the low pressure muffler Welding the high pressure exhaust pipe 12 Replace the filter Cu Fe tubes welding...

Страница 28: ...pipe then seal welding process tube Condenser fan motor Condenser fan motor None Standby condenser Standby condenser None Piping system in the compressor case Compressor Condenser in Drain tray Conde...

Страница 29: ...ard 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 Disassembly and installation...

Страница 30: ...o adjust the stalls Turn the temperature control knob to 6gear the internal temperature of the refrigerator becomes lower Turn the temperature control knob to 1gear the internal temperature of the ref...

Страница 31: ...cuit 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 m...

Страница 32: ...Service Manual_2018 V1 0 32 11 Troubleshooting Method 11 1 Not cooling...

Страница 33: ...Service Manual_2018 V1 0 33 11 2 Not working of compressor 11 3 Thermostat malfunction Undercooling...

Страница 34: ...Service Manual_2018 V1 0 34 11 4 Light is not on 11 5 Noise...

Страница 35: ...Service Manual_2018 V1 0 35 12 Figures and details of repair parts Documents are provided separately 12 1 Figures 12 2 List of parts and components...

Страница 36: ...ssemble and disassemble 2 slotted screwdriver scraper screw and rivet assemble and disassemble 3 Socket spanner 5 16 hinge and compressor screw assemble and disassemble 4 Sucker display panel and air...

Страница 37: ...1 Electronic digital thermometer Test temperature 12 Multi meter Measurement with resistance voltage current and so on Equipment No Name Main Usage Photo 1 Vacuum pump with gauge vacuum pumping 2 Elec...

Страница 38: ...ding point leakage detect if no use soap suds Material No Name Main Usage Photo 1 Process pipeline Charge the refrigerant 2 Dry filter Involving a system failure to be replaced 3 Copper welding rod Co...

Страница 39: ...bility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment The separate collection and recycling of yo...

Страница 40: ...and SBOM please visit the tsp midea com How to login TSP system Use Google browser visit the https tsp midea com Internal User Use MIP account and Password Customer Access Generated by TSP provided by...

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