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Safety precautions

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Summary of Contents for PFV306MS

Page 1: ...Service Manual Model PFV306MS...

Page 2: ...bs Unit Dimension W D H In In Packing Dimension W D H Container Quantity 40 HQ PCS 63 88 Net Weight Lbs 0 65 Power Consumption kW h 24h 80 Rated Input Power W 115 60 Power Supply V Hz White Color 85 P...

Page 3: ...Safety precautions Safety precautions 115V 60Hz AC...

Page 4: ...Safety precautions...

Page 5: ...Safety precautions...

Page 6: ...Function Schedule Energy efficiency Micro foam technology Low noise operation Thick insulation for energy efficiency Function Schedule...

Page 7: ...Chart Model HS 111F is a direct cooling single system refrigerator When the refrigerator is just powered on the refrigerant flows in the sequence 1 2 3 4 5 1 System Flow Chart System Flow Chart 1 Sche...

Page 8: ...Description of Control Principle Model HS 111F is a direct cooling single system refrigerator with a small ice box a mechanical type of all the control is generally adopted The thermostat directly con...

Page 9: ...r charge refrigerant again NO If compressor can run naturally and temperature raising of condenser is very low YES YES Check and repair according to the section of the compessor doesn t work NO If com...

Page 10: ...r by heat resource 3 The door was opened too many times or there are more fresh food inside YES Check and repair according to the section of Cooling capacity is insuffcient NO Is cooling capacity insu...

Page 11: ...how to use Does the refrigerant leak siowly NO YES Check the therostat is correct Is the ambient YES temperature low than 16 C Maintenance Service and Trouble Shooting 3 Cooling capacity is insufficie...

Page 12: ...control panel has 220V power output Adjust and instruct consumer how to use Check the therostat is correct YES 16 Is the ambient temperature low than YES YES Repair NO Check the power source and power...

Page 13: ...bles of refrigerators and their remedies we should firstly give a brief account of some normal phenomena which are not troubles In case any one of such phenomena occurs there is no need to worry about...

Page 14: ...stat is the highest In troubleshooting the first thing you must do is to determine where the trouble comes from the control system or the refrigerating system There is general no trouble indicating in...

Page 15: ...ed 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 f...

Page 16: ...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 17: ...xcessive 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 refri...

Page 18: ...orator 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 transpa...

Page 19: ...erant 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 refrigerator temperature does...

Page 20: ...at these phenomena will appear intermittently sometimes the refrigerator works well and sometimes not well In order to determine whether it is clogged with ice heat the suspicious points with hot wate...

Page 21: ...logging 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 di...

Page 22: ...the 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 23: ...ower 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...

Page 24: ...the 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 25: ...s 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 oil wi...

Page 26: ...s rated 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...

Page 27: ...t up 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 s...

Page 28: ...ation becomes weake or vanishes If the refrigerator 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 s...

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