Midea HS-36I User Manual Download

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ICE-MAKER

Service Manual

Features

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Auto ice-making technology

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Built-in design

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Low noise operation

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Thick insulation for energy efficiency

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Latest No. 2 micro-biological technology

Summary of Contents for HS-36I

Page 1: ...ICE MAKER Service Manual Features Auto ice making technology Built in design Low noise operation Thick insulation for energy efficiency Latest No 2 micro biological technology 0...

Page 2: ...CONTENT CONTENT 1 Content 1 2 Specifications 3 3 Function Schedule 7 4 System Flow Chart 8 5 Circuit Diagram 9 6 Maintenance Service and Trouble Shooting 10 7 Exploded View 30 8 List of Parts 31 1...

Page 3: ...ity L HS 36I 28 Color Black Power Supply V Hz 220 50 Rated Input Power W Power Consumption kW h 24h Net Weight kg 30 Gross Weight kg Unit Dimension D W H mm Packing Dimension D W H mm Container Quanti...

Page 4: ...Safety precautions Function Schedule Function Schedule Auto ice making technology Built in design Low noise operation Thick insulation for energy efficiency Latest No 2 micro biological technology 7...

Page 5: ...t 1 Schematic diagram of System Flow Chart 2 Brief Description of System Flow Chart Model UL ZB28C2 is a direct cooling single system appliance When the appliance is just powered on the refrigerant fl...

Page 6: ...agram Brief Description of Control Principle Model UL ZB28C2 is a direct cooling single system Ice marker A mechanical type of all the control is generally adopted The thermostat directly controls the...

Page 7: ...ower NO Check and repair according to the section of the compessor doesn t work YES If compressor can run naturally and temperature raising of condenser is very low YES NO Refrigerant leak check and r...

Page 8: ...capacity insufficient NO Check and repair according to the section of Cooling capacity is insuffcient YES 1 The thermostat was set at the coldest position 2 The ambient temperature is very high or th...

Page 9: ...ing 3 Cooling capacity is insufficient Cooling capacity is insufficient Is the ambient YES temperature low than 16 C Check the therostat is correct YES NO Does the refrigerant leak siowly Adjust and i...

Page 10: ...THE DOOR GASKET DOES NOT SEAL PROPERLY THE APPLIANCE DOES NOT HAVE THE CORRECT CLEARANCES VIBRATIONS CHECK TO ASSURE THAT THE APPLIANCE IS LEVEL THE APPLIANCE SEEMS TO MAKE TOO MUCH NOISE THE RATTLING...

Page 11: ...pressure difference is still greater after the compressor has just stopped running the refrigerant will flow for a certain time therefore this sound is a normal phenomenon 2 A click sound can often be...

Page 12: ...ce locations and natures of troubles should be determined according to their respective features therefore experience in servicing is very important to troubleshooting Service technicians with rich ex...

Page 13: ...by a sound similar to water flowing this is the sound produced by the normal circulation of refrigerant within the evaporator In case only the gas flowing sound can be heard and there is no water flow...

Page 14: ...ly due to a certain trouble With this method you can reject some suspicious troubles and finally make a correct judgment 7 Analysis of Troubles and Troubleshooting A Poor Refrigerating Effect The so c...

Page 15: ...e refrigerant has been charged the liquid refrigerant that cannot evaporates in the evaporator will return to the compressor and thus a phenomenon of liquid striking will occur The liquid refrigerant...

Page 16: ...porator regularly if you fail to do so the frost layer on the evaporator tubing will become thicker and thicker Heat conduction will be severely affected when the whole tubing is wrapped with a transp...

Page 17: ...rigerant and seal the charging port B No Refrigerating The phenomenon that the compressor runs normally but no frost or only a little frost appears on the evaporator and the appliance temperature does...

Page 18: ...these phenomena will appear intermittently sometimes the appliance works well and sometimes not well In order to determine whether it is clogged with ice heat the suspicious points with hot water to m...

Page 19: ...ging with dirt 3 Troubles of Compressor a Breakage of gas suction and discharge valve blocks Analysis of Trouble The compressor works by means of the opening and closing of gas suction valve and disch...

Page 20: ...he system Analysis of Trouble The residual air in the system will circulate together with the refrigerant in the system The major symptoms caused by this residual air is higher gas discharge pressure...

Page 21: ...er supply c Abnormal thermal protection Analysis of Trouble The compressor current is within its normal range but the thermal protector actuates repeatedly Remedy Replace the thermal protector with a...

Page 22: ...he user for buying a stabilizer so as to step up the voltage thus normal operation can be achieved 3 Check the thermal relay to see whether its contacts are closed Analysis of Trouble The contacts of...

Page 23: ...on is caused mostly by poor lubrication such ad insufficient quantity of lubricant clogging in the lubricant oil line or intermittent lubricant oil supply Dirt and other impurities in the lubricant oi...

Page 24: ...ated value the thermostat won t work thus the compressor runs continuously When the evaporation temperature in the system is too high the temperature sensing agent in the temperature sensor is also ho...

Page 25: ...intensively measure the resistance between the power cord plug and the case body with an avometer the reading will be zero 0 in the worst case the fuse will be blown Check the 3 prong outlet to see wh...

Page 26: ...ion becomes weaker or vanishes If the appliance has not been levelly placed put a level meter on its top table and adjust the leveling screws on its legs In case noise occurs from the compressor strik...

Page 27: ...30 1 1 1 2 1 1 1 1...

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