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Service Manual_2018-V2.0

17

7. Refrigerating piping system and circulating route of cooling air

7.1 Refrigerating piping system

❶

Compressor→

❷

Parallel flow

condenser→

❸

Auxiliary

condenser→

❹

Dry filter→

❺

Capillary

tube→

❻

Evaporator→

❶

Compressor

7.2 Special soldering position

1

soldering of condenser and drier

2

soldering of drier and capillary tube

3

soldering of returning pipe and connection pipe

4 soldering of process tube

5 soldering of suction pipe and connection pipe

6 soldering of exhaust pipe and condenser

7 soldering of condenser and condenser

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Summary of Contents for HS-202WEN

Page 1: ...cable Models HS 202WEN UR JC155GE FR 22033010001101 The picture in this service manual is only for reference and specific appearance and configuration are subject to the real product This manual mainly teaches the method the specific work skill needs engineer to accumulate through the daily work ...

Page 2: ...ermission 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 M...

Page 3: ...ARTS AND THEIR NAMES 12 5 2 EXTERNAL DIMENSION 13 5 3 LOCATION OF S N 14 6 PRODUCT SPECIFICATION 15 6 1 ELECTRICAL PARAMETERS 15 6 2 COOLING TEMPERATURE SETTING RANGE 15 6 3 CIRCUIT DIAGRAM 16 7 REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR 17 7 1 REFRIGERATING PIPING SYSTEM 17 7 2 SPECIAL SOLDERING POSITION 17 8 DISMANTLING OF PARTS 18 8 1 PARTS ON THE DOOR 18 8 2 PARTS INSIDE ...

Page 4: ...30 11 COMPRESSOR 31 11 1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS 31 12 TROUBLESHOOTING METHOD 32 12 1 NOT COOLING 32 12 2 NO WORKING OF COMPRESSOR 33 12 3 THERMOSTAT MALFUNCTION UNDERCOOLING 33 12 4 INSIDE FROSTING NO DEFROSTING 34 12 5 INSIDE FROSTING NO DEFROSTING MAINTENANCE GUIDELINES 34 12 6 LIGHT IS NOT ON 35 12 7 NOISE 36 13 FIGURES AND DETAILS OF REPAIR PARTS 37 ...

Page 5: ...Service Manual_2018 V2 0 5 1 Significant update notes None ...

Page 6: ...near 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 blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit i...

Page 7: ...ve 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 persons with reduced physical or mental capabilities or lack of experience and knowledge if they are given supervision or instruction concerning the use of the freezer in a safe way and understand t...

Page 8: ...ctions are not completely understood or if doubt exists as to whether the freezer is properly grounded 2 2 Safety instruction for refrigerant Explosion Hazard Keep flammable materials and vapors such as gasoline away from freezer Failure to do so can result in fire explosion or death Safety instruction for refrigerant DANGER Risk of Fire or Explosion Flammable Refrigerant Used To Be Repaired Only ...

Page 9: ...rotect the refrigerator in moving it Same as shown as lef t photo please move it by handcart with cushion 2 Remove all packing materials and bottom cushion the m ove into house for placement 3 After moving it to appropriate location wait for 2 hours bef ore power on ...

Page 10: ...nter the room in the whole 4 2 Installation location Installation location Location that is easy for ventilation shall be chosen to facilitate heat dissipation enhance its performance and reduce the energy consumption 4 3 Leveling of the refrigerator Leveling of the refrigerator If the refrigerator cannot be placed steadily adjust the footing to level it ...

Page 11: ...Service Manual_2018 V2 0 11 4 4 Left or right open door reversal None 4 5 Installation of handle 4 6 Installation of door lock None ...

Page 12: ...ration and dimension 5 1 Main parts and their names The picture is only for reference and specific appearance and configuration are subject to the real product Refrigerating chamber Display control panel Steel wire wine rack Outlet mask Glass door ...

Page 13: ...scription Code Size mm Height to Top of Case A 878 Width B 595 Depth w Cabinet C 545 Depth w Door D 601 Depth w Handle E 655 Depth Door open 90 deg w F 1132 Depth Door open 135 deg w G 960 Width Door open 135 deg w H 1140 The picture is only for reference ...

Page 14: ...Service Manual_2018 V2 0 14 5 3 Location of S N Some products also have S N on the lower part of the right side of the Cabinet ...

Page 15: ...ture None Variable frequency driver board None None The input power of compressor 77 5W None Motor Fan motor of the freezing chamber None None Ventilation upper room fan 12V 1 0W None Condensation fan 12V 4 0W None Ventilation lower room fan None None ice output motor None None Open door motor None None Lights inside the refrigerator Lights inside the freezing chamber None None Lights inside the r...

Page 16: ...Service Manual_2018 V2 0 16 6 3 Circuit diagram ...

Page 17: ...y condenser Dry filter Capillary tube Evaporator Compressor 7 2 Special soldering position 1 soldering of condenser and drier 2 soldering of drier and capillary tube 3 soldering of returning pipe and connection pipe 4 soldering of process tube 5 soldering of suction pipe and connection pipe 6 soldering of exhaust pipe and condenser 7 soldering of condenser and condenser ...

Page 18: ...e wine door 2 Take the door 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 8 2 Parts inside the refrigerator Glass shelf 1 1 Lift up the Steel wire wine rack with a proper force and pull it out towards yourself ...

Page 19: ...rom the main control board in refrigerator 2 Pull out the mounting box horizontally and unplug the wiring terminal on the LED lamp 3 Invert the main control panel mounting box Remove the lampshades and LED lights in turn buckle installation manual operation 8 4 Air duct components refrigerating chamber and fan motor Air duct components in freezing chamber ...

Page 20: ...r of air duct The air duct mask should be removed before dismantling the fan motor 1 Remove the aluminized tape around the fan 2 Separate the 4 rubber pop rivet fixing the fan and take it down 8 5 Evaporator and temperature sensing system Evaporator in refrigerating chamber 1 Move the air duct mask in refrigeration chamber 2 Sconnect all connectors 3 Move the welding on inlet and outlet tubes 4 Mo...

Page 21: ...sor The sensor position is on the back of the duct cover 8 6 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 Compressor and the cooling system pipe 1 Cut off the power remove the goods in the wine cooler with the tape to make the door fixed firmly an...

Page 22: ...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 Two screws outside One screw inside 4 2 Remove the metal clamp for some models Disassembly the metal clamp that is fix the electric appliance shield 5 Remove the clipping strip Slowly pull it out ...

Page 23: ...t 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 box 9 Use the wrench to remove the bolts by steps replace the compressor and reverse process can complete installation ...

Page 24: ...Replace the compressor and 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 used Ag welding rod Cu Cu tubes welding used Cu welding rod 13 Vacuum system The degree of vacuum below 6Pa 14 Perfusion refrigerant ...

Page 25: ...ss pipe then seal welding process tube Condenser fan motor The condenser fan motor is behind the condenser Unplug the wiring connector of condenser fan motor Remove the two screws fixing the fan and dismantle the condenser fan motor from the base Standby condenser Standby condenser None ...

Page 26: ...apillary Tube 5 Transition pipe 6 Compressor cover 7 Compressor 8 Drain tray 9 Condenser fan 10 Suction connection Pipe 11 Condenser 12 Condenser 2 out 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 ...

Page 27: ...uct with a cross screwdriver 2 Remove the wine door and two fixed screws from the main control board in refrigerator And pull out the mounting box horizontally 3 Unplug the terminal 4 Remove the display panel from the mounting box 5 Romve the Display control panel 8 8 Main control board Main control board 1 Take down screws ...

Page 28: ...Service Manual_2018 V2 0 28 2 Take out main control panel cover 3 Disconnect the fast connector 4 Take screws on main control panel ...

Page 29: ...ng 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 Centigrade showing the adjustable temperature range is 1 to 10 in Fahrenheit showing the adjustable temperature range is from 41 to 64 short press the key of Centigrade Fahrenheit conversion to realize the conversion between Centigrade and Fah...

Page 30: ...the refrigerator is remembered after compressor running for 1 hour continuously 2 The running state of the refrigerator is remembered after change function settings and lock 3 When the refrigerator is out of power and recharged the running state of the refrigerator is same as before ...

Page 31: ...ng conditions is met the compressor stops 1 Tr Trt 2 The compressor runs continuously for more than 3 hours Stop 5 minutes 1 2 When all the following conditions are met the compressor starts up 1 Tr Trk 2 Compressor downtime is more than 5min When 1 1 and 1 2 are not satisfied the compressor maintains the original state ...

Page 32: ...Service Manual_2018 V2 0 32 12 Troubleshooting Method 12 1 Not cooling ...

Page 33: ...Service Manual_2018 V2 0 33 12 2 No working of compressor 12 3 Thermostat malfunction Undercooling ...

Page 34: ...Service Manual_2018 V2 0 34 12 4 Inside frosting no defrosting 12 5 Inside frosting no defrosting Maintenance guidelines ...

Page 35: ...Service Manual_2018 V2 0 35 12 6 Light is not on ...

Page 36: ...Service Manual_2018 V2 0 36 12 7 Noise ...

Page 37: ...Service Manual_2018 V2 0 37 13 Figures and details of repair parts See this section in the TSP ...

Page 38: ...ng 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 For more information about the service manual please visit the tsp midea com For more information about the EV and SBOM please visit the tsp midea com How to login TSP system Use Google browser visit t...

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