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Service Manual

, 2016-12

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 22033010000441

Страница 1: ...033010000481 UR LC66GE DR 22033010000442 UR LC96GE 22033010000441 The picture is only for reference and specific appearance and configuration are subject to the real product Prepared by R D Chen Feixiang Reviewed by QA Wang Tao SVC Zhang Kun Approved by R D Zhang Huawei SVC Guang Taoshuai ...

Страница 2: ... 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 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 Mi...

Страница 3: ...ation None 14 5 2 Electrical parameters 14 5 3Inside temperature 15 5 4Defrosting parts None 15 5 5Circuit diagram 15 6 Internal view and dimension 17 6 1Main parts and their names 17 6 2External dimension 17 7 Refrigerating piping system and circulating route of cooling air 19 7 1 Refrigerating piping system 19 7 2Circulating route of cooling air 19 8 Dismantling of parts 20 8 1 Parts on the door...

Страница 4: ...motor circuit None 31 10 7Damper motor circuit None 31 10 8Resistance value of the sensor R T 31 11 Trouble shooting Method 32 11 1No cooling 32 11 2No working of compressor 33 11 3Inside frosting no defrosting 34 11 5Lights inside the refrigerator don t light up 36 11 6Air duct not operated None 36 11 7Fan failure None 36 11 8Defective defrost circuit None 36 11 9Noise 36 12 Figures and details o...

Страница 5: ...Service Manual 2016 12 5 42 1 Safety Warning Code 1 1Warning for operation safety ...

Страница 6: ...Service Manual 2016 12 6 42 ...

Страница 7: ...Service Manual 2016 12 7 42 ...

Страница 8: ...Service Manual 2016 12 8 42 1 2Safety instruction for refrigerant ...

Страница 9: ...ided with following features The picture is only for reference and specific appearance and configuration are subject to the real product 1 Electronic temperature control more accurate 2 Advantageous touch control for users 3 Slide out wire shelf Glass shelf optional 4 Reserved handle ...

Страница 10: ...bottom cushion then move into house for placement 3 After moving it to appropriate location wait for 2 hours before power on 3 2 Door Disassembly and Assembly 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 ...

Страница 11: ... level it 3 5Door reversal Step 1 Disassemble the upper knuckle guard discharge the right tightening screws 3 screws fixing the hinge and dismantle 3 plastic rivets on the left Step 2 Uplift the door slightly Do not place the door on the hard surface avoid scratching the glass Knuckle guard Screw Hinge Shaft sleeve Plastic rivet ...

Страница 12: ...e the hinge axis of upper hinge from original axle hole to the corresponding hole Step5 Remove the screws fastening the lower hinge on the right side of the case and the plastic rivets on the left corner of the case and install the plastic rivets in the original hole sites of screws Step 6 Move the shaft of lower hinge from original hole site to the corresponding hole site ...

Страница 13: ...eft corner of the case to maintain the door horizontal fasten screws improve knuckle guard and install the plastic rivets in the original location of screws 3 6Installation of handle None 3 7 Installation of door lock None 3 8 Adjustment to level the door None 4 Terms 4 1 Definition of model None 4 2Location of nameplate The picture is only for reference and specific appearance and configuration a...

Страница 14: ...U Starter PTC QP2 4R7 QP2 4R7 QP2 4R7 Overload protector OLP DRB17N61A1 DRB17N61A1 DRB26T61A1 Winding resistance of compressor wiring terminal Rmc 14 4 7 Ω Rsc 9 5 7 Ω Rms Rmc Rsc 20 Rmc 14 4 7 Ω Rsc 9 5 7 Ω Rms Rmc Rsc 20 Rmc 10 50 7 Ω Rsc 14 07 7 Ω Rms Rmc Rsc 20 Motor Fan motor of the freezing chamber Ventilation door of the refrigeratin g chamber Condensati on fan Light inside the refrigerator...

Страница 15: ... 2016 12 15 42 5 3Inside temperature Temperature tolerance 2 C Compartment The highest C Lowest C Refrigerating 10 1 5 4Defrosting parts None 5 5Circuit diagram UR LC46GE DR_22033010000481 UR LC66GE DR_22033010000442 ...

Страница 16: ...Service Manual 2016 12 16 42 UR LC96GE_22033010000441 ...

Страница 17: ... 1Main parts and their names The picture is only for reference and specific appearance and configuration are subject to the real product 1 Temperature control panel 2 Fan 3 Beverage shelf 4 Guardrail 6 2External dimension Front view Side view Down view Open Door ...

Страница 18: ...Service Manual 2016 12 18 42 Maximum open angle of door 135 The picture is only for reference and specific appearance and configuration are subject to the real product ...

Страница 19: ... 1 Refrigerating piping system 1Compressor 2Exhaust transition pipe 3condenser 4Dry filter 5Capillary tube 6Evaporator 7Return transition pipe 1Compressor The picture is only for reference and specific appearance and configuration are subject to the real product 7 2Circulating route of cooling air ...

Страница 20: ...eal is installed into door liner groove 1 Open the wine cabinet door 2 Take the door seal out of door liner 8 2Parts inside the wine cabinet Beverage shelf 1 Lift up the beverage shelf with a proper force and pull it out towards yourself Guardrail 1 Pull the guardrail out with a proper force ...

Страница 21: ...he screw on LED light panel then light 3 Remove the connecting harness terminals on LED light panel and take down the LED light panel 8 4Air duct components refrigeratingchamber and fan motor Air duct components refrigeratingchamber None Fan motor of air duct 1 Use a screwdriver to take down the screws on fan ...

Страница 22: ... the fan 3 Remove the cover 4 Take out the fan from the mounting box 8 5Air duct components in freezing chamber and fan motor None Disassembly and installation of Air duct None Fan motor of air duct None 8 6Evaporator and temperature sensing system Evaporator in freezing chamber None Components on the evaporator ...

Страница 23: ...ter None 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 Defrost sensor The defrost sensor is located on back of the evaporator Not replace Sensor Sensor in freezing chamber None ...

Страница 24: ... temperature sensor None Thermostat None 8 7Compressor case Rear cover and compressor case Rear cover and compressor 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 Terminal box of the compressor 1 Remove the screwsTwo screws outsideOne screw inside Remove the clipping stripSlowly pul...

Страница 25: ... and protector you can use a screwdriver to pry it slowly 1 The reverse process can complete installation Piping system in the compressor case 1 Condenser 1 in DrierCapillary Tube Transition pipe 2 Main control board box 3 CapacitorCompressor coverCompressordrain tr 4 Condenser 2 out 5 Suction conection Pipe Condenser fan motor Fan motor None Standby condenser None 8 8Temperaturecontrol panel ...

Страница 26: ...ce Manual 2016 12 26 42 1 Remove the two screws linking the temperature control board mounting box to the box 2Disconnect the connector 3 Remove the temperature control panel 8 9main panel 1 Take down screws ...

Страница 27: ...installation of bar counter None Disassembly and installation bar doorseal None 8 10 Water dispenser None Disassembly and installation of water valve None Disassembly and installation of water tank None 8 11Ice maker None Disassembly and installation of ice maker None Disassembly and installation of water system None Disassembly and installation ice machine sensor None ...

Страница 28: ... or turn off the light Temperature setting Press the Temperature rise key the temperature will increase 1 or 1 After15s the cooler will operate according to the setting temperature Press the Temperature drop key the temperature will decrease 1 or After 15s the cooler will operate according to the setting temperature The beverage cooler s temperature can be setted between 1 10 33 50 Memory function...

Страница 29: ... Check whether the terminal CN4 is well stuck pull out the terminal and re stick it in place Step 2 Check to see if there re foreign matters on the terminal Step 3 Inspect the defrost sensor whether contact is bad and resend contact the fast connector Step 4 Replace main control board 9 5Defrost function The defrosting of evaporator is activated when the temperature monitored by defrosting sensor ...

Страница 30: ...control chip and LC DC12V provide power to r elay the relay is for controlling the compressor and defrosting heater DC12V is changed into stable DC5 V by adjustor 7805 DC5V provide power to control chip control chip monitor the temperature change of refrigerator 10 2Door trip test circuit None 10 3Temperature test circuit ...

Страница 31: ...of the sensor R1 is R31 R32 R33 in schematic diagram that is 5 1K 10 4Fan motor circuit of the freezing chamber None 10 5Refrigerator fan motor circuit None 10 6Condensing fan motor circuit None 10 7Damper motor circuit None 10 8Resistance value of the sensor R T Tx R KΩ Tx R KΩ Tx R KΩ Tx R KΩ Tx R KΩ 30 33 81 15 14 31 0 6 495 15 3 141 30 1 617 29 31 85 14 13 55 1 6 175 16 2 999 31 1 55 28 30 01 ...

Страница 32: ... 32 42 19 17 87 4 7 968 11 3 788 26 1 919 41 1 029 18 16 9 3 7 568 12 3 613 27 1 838 42 0 9885 17 15 98 2 7 19 13 3 447 28 1 761 43 0 9506 16 15 12 1 6 833 14 3 29 29 1 687 44 0 914 11 Trouble shooting Method 11 1No cooling ...

Страница 33: ...Service Manual 2016 12 33 42 11 2No working of compressor ...

Страница 34: ...Service Manual 2016 12 34 42 11 3Inside frosting no defrosting Inside frosting no defrosting Maintenance guidelines ...

Страница 35: ...Service Manual 2016 12 35 42 ...

Страница 36: ...Service Manual 2016 12 36 42 11 5Lights inside the refrigerator don t light up 11 6Air duct not operated None 11 7Fan failure None 11 8Defective defrost circuit None 11 9Noise ...

Страница 37: ... of repair parts Documents are provided separately 12 1Figures 12 2List of parts and components 13Appendix 13 1Electrical Schematic Diagram Model JC46 66 96 13 2Refrigerator maintenance tooling and equipment and material Tooling No Name Photo Main Usage ...

Страница 38: ...ver 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 duct cover disassemble 5 Allen wrench 2 8 4mm handle assemble and disassemble 6 Vise grip pliers sealing process tube 7 Pipe cutter pipe cutting ...

Страница 39: ...ssistive tool 10 Capillary tube scissors Shear capillary Equipment No Name Photo Main Usage 1 Vacuum pump vacuum pumping 2 Electronic scale weighing refrigerant gas 3 High pressure nitrogen with piezometer pipe and cooling system condenser evaporator etc impurities clean ...

Страница 40: ...process pipeline vacuum or charge refrigerant wi ll be used 6 hand leak detector welding point leakage detect if no use soap suds material No Name Photo Main Usage 1 Process pipeline Charge the refrigerant 2 Dry filter Involving a system failure to be replaced 3 Copper welding rod tube welding ...

Страница 41: ...Service Manual 2016 12 41 42 4 Refrigerant gas Add refrigerant to the system 5 Sealing tape door fixing for reversible door option ...

Страница 42: ...gerators 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 ...

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