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ServiceManual_2018-V1.0

High pressure

nitrogen with

piezometer

pipe and cooling

system(condenser, evaporator,

etc) impurities clean

Quick coupling

Connection process pipeline,

vacuum

or charge refrigerant will be used.

Soldering gun

heating and welding

hand leak detector

welding point leakage detect, if

no, use soap-suds

Material

No.

Name

Main Usage

Photo

Process pipeline

Charge the refrigerant

Dry filter

Involving a sy

stem failure to be

replaced

Copper welding rod

Copper-Copper tubes welding

Silver solder(

＞

25%Ag)

Not Copper-Copper tubes

welding

Refrigerant/gas

Add refrigerant to the system

Содержание 22033010000701

Страница 1: ...is only for reference and specific appearance and configuration are subject to the real product Applicable Models Model Code UR LC155GE DR 22033010000701 CE LC155GE FR 22033010000821 Prepared by R D G...

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: ...ON OF MODEL NONE 15 4 2 LOCATION OF NAMEPLATE NONE 15 5 PRODUCT SPECIFICATION 16 5 1 TYPE SPECIFICATION NONE 16 5 2 ELECTRICAL PARAMETERS 16 5 3 INSIDE TEMPERATURE 17 5 4 DEFROSTING PARTS 17 5 5 CIRCU...

Страница 4: ...T OF THE FREEZING CHAMBER NONE 40 10 5 REFRIGERATOR FAN MOTOR CIRCUIT NONE 40 10 6 CONDENSER FAN MOTOR CIRCUIT NONE 40 10 7 DAMPER MOTOR CIRCUIT NONE 40 10 8 SENSOR RESISTANCE R T 40 11 TROUBLESHOOTIN...

Страница 5: ...ar 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 bl...

Страница 6: ...reezer 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...

Страница 7: ...ervice 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...

Страница 8: ...escription for product features This product is provided with following features 1 Electronic temperature control 2 Steel wire wine rack3 Fashionable Stainless Steel 4 Air cooling design beneficial to...

Страница 9: ...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 Disa...

Страница 10: ...al Door reversal Cross handle 1 Dismantle the upper right hinge screw and remove the door body 2 Remove the 3 screws from the upper hinge on the right side and the upper hinge remove the 3 plastic cap...

Страница 11: ...he left hole on the lower hinge Install the lower hinge on the left lower part with screws the door support on the right lower part with screws and the air cover on the lower part with screws and slee...

Страница 12: ...placed Collected unused right upper hinge Door reversal Vertical handle 1 Dismantle the shaft hole cap and the upper sleeve of the upper part of the glass door assembly and dismantle screws the door l...

Страница 13: ...nd the shaft plug and move the door stopper and the lower sleeve from the lower right to the lower left 3 Assemble the sleeves the shaft hole cap the stopper and the switch block Install the door on t...

Страница 14: ...e screw hole is downward 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 do...

Страница 15: ...ServiceManual_2018 V1 0 15 4 Terms 4 1 Definition of model None 4 2 Location of nameplate None...

Страница 16: ...e Winding resistance of compressor wiring terminal Rmc 9 2 7 Rsc 8 6 7 Rms Rmc Rsc None None None Winding resistance picture None None None Variable frequency driver board None None None None The inpu...

Страница 17: ...erance 2 o C Compartment The highest o C Lowest o C Freezing None None Refrigerating upper room 10 1 Variable temperature None None 5 4 Defrosting parts Item Initial defrosting period Normal defrostin...

Страница 18: ...efrigerating chamber Freezer chamber Display control panel Steel wire wine rack Outlet mask Glass door None 6 2 External dimension Description Code Size mm Height to Top of Case A 878 Width B 595 Dept...

Страница 19: ...ServiceManual_2018 V1 0 19...

Страница 20: ...igerating piping system and circulating route of cooling air 7 1 Refrigerating piping system Compressor Parallel flow condenser Auxiliary condenser Dry filter Capillary tube Evaporator Compressor 7 2...

Страница 21: ...or seal out of door liner Door stopper The door lamp switch stopper is installed in the lower part of the door Take down the door loosen the screws on the stopper and take it down rollover beam rollov...

Страница 22: ...re dismantling the air duct mask 1 2 Disconnect the wiring connector and dismantle the air duct mask Ice tray Ice tray None 8 3 Light system Light Light of the refrigerating chamber is located upper c...

Страница 23: ...llation manual operation 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 All accessories in...

Страница 24: ...re sensing system Evaporator in freezing chamber Evaporator in freezing chamber None Components on the evaporator Defrost thermostat None Fuse None Defrost sensor None Defrost heater None Evaporator i...

Страница 25: ...of the duct cover Ambient temperature sensor None Sensor in Variable temperature chamber None Thermostat Thermostat None 8 6 Compressor case Rear cover and compressor case 1 Remove by cross screwdriv...

Страница 26: ...solid enough object leaving space to facilitate the operation For safety it should be carried by someone to prevent its falling 3 Cut off the compressor pipeline Cut off the process pipeline Cut off t...

Страница 27: ...er 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...

Страница 28: ...cutter cut off the condenser tube then Shear off capillary by the capillary tube scissors 11 Replace the compressorand welding the compressor pipeline Welding the process pipeline Welding the low pres...

Страница 29: ...cuum 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 tube Condenser fan motor The condenser fa...

Страница 30: ...an and dismantle the condenser fan motor from the base Standby condenser Standby condenser None Piping system in the compressor case 1 Condenser 1 in Drier Main control board box 2 Capillary TubeTrans...

Страница 31: ...ServiceManual_2018 V1 0 31 Drain tray 1 Disengage the drain tray buckle out of the compressor bottom plate installation hole 2 Replace the drain tray the reverse process can complete installation...

Страница 32: ...uct with a cross screwdriver Remove the wine door and two fixed screws from the main control board in refrigerator And pull out the mounting box horizontally 2 Unplug the terminal 3 Remove the display...

Страница 33: ...in control panel 8 9 Bar counter Bar counter Disassembly and installation of bar counter None Disassembly and installation bar doorseal None 8 10 Water dispenser Water dispenser Disassembly and instal...

Страница 34: ...ServiceManual_2018 V1 0 34 Disassembly and installation of ice maker None Disassembly and installation of water system None Disassembly and installation ice machine sensor None...

Страница 35: ...key of temperature up once the setting temperature rise 1 click the key of temperature down once the setting temperature drop 1 the temperature setting take effect automatically after 30s 2 in Centigr...

Страница 36: ...frigerating sensor according to the method in described in Article 8 4 and then inspect the sensor against the resistance value table in 10 6 Step 3 Replace main control board Step 4 Replace electrica...

Страница 37: ...o stable DC5V for provide power to MCU it monitors the temperatures of refrigeatorIf no power detected in test firstly check whether there is input voltage between the L N line of main PCB if no input...

Страница 38: ...s for using the normally closed door switch when the door is closed the chip detects the voltage of 5V and determines that the door is in the closed state when the door is open the chip detects the vo...

Страница 39: ...value of the sensor The sensors work rely on the resistance value changes in accordance with the temperature by using of the thermal couple what has resistance and coefficient of middle temperature Th...

Страница 40: ...tion the fan is in low level and the voltage between 12V and FAN is more than 6V If there s no voltage when the compressor is in operation fan motor or electric control panel can be replaced 10 6 Cond...

Страница 41: ...5 6 4 818 21 2 391 36 1 259 23 22 43 8 9 82 7 4 589 22 2 287 37 1 209 22 21 18 7 9 316 8 4 372 23 2 188 38 1 161 21 20 01 6 8 841 9 4 167 24 2 094 39 1 115 20 18 9 5 8 392 10 3 972 25 2 005 40 1 071 1...

Страница 42: ...ServiceManual_2018 V1 0 42 11 Troubleshooting Method 11 1 No cooling Air cooling Electronic...

Страница 43: ...ServiceManual_2018 V1 0 43 11 2 No working of compressor 11 3 Inside frosting no defrosting...

Страница 44: ...ServiceManual_2018 V1 0 44 11 4 Inside frosting no defrosting Maintenance guidelines...

Страница 45: ...ServiceManual_2018 V1 0 45 11 5 Light is not on 11 6 Air duct not operated electronically None 11 7 Fan failure...

Страница 46: ...ServiceManual_2018 V1 0 46 11 8 Defective defrost circuit 11 9 Noise...

Страница 47: ...ServiceManual_2018 V1 0 47 12 Figures and details of repair parts Documents are provided separately 12 1 Figures 12 2 List of parts and components...

Страница 48: ...crewdriver screw assemble 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 disp...

Страница 49: ...ry 9 Knife assistive tool 10 Pipe cutter Flaring device Pipe cutting flaring 11 Electronic digital thermometer Test temperature 12 Multi meter Measurement with resistance voltage current and so on Equ...

Страница 50: ...ant will be used 5 Soldering gun heating and welding 6 hand leak detector welding point leakage detect if no use soap suds Material No Name Main Usage Photo 1 Process pipeline Charge the refrigerant 2...

Страница 51: ...ServiceManual_2018 V1 0 51 6 Adhesive tape Door fixing for reversing door 7 Transition copper pipe Aluminium Aluminium tubes welding maintain lengthen tubes...

Страница 52: ...g please contact your 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 Fo...

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