Страница 1: ...Wine Cooler Service Manual Models TWC2403DI Features Energy efficiency Micro foam technology Low noise operation Thick insulation for enerqv efficiency Version number 00 00 Edition 2019 5 20...
Страница 2: ...1 CONTENT 1 Content 2 2 Specifications 3 3 Safety precautions 4 4 Function Schedule 7 5 System Flow Chart 8 6 Circuit Diagram 9 7 Maintenance Service and Trouble Shooting 10 8 List of Parts 28 2...
Страница 3: ...Color Black Power Supply V Hz 110 60 Rated Input Power W 370 Power Consumption kW h 24h 1 3 Net Weight Lbs 264 Gross Weight Lbs 286 Unit Dimension 60 68 5 187 W D H CM Packing Dimension W D H CM 66 7...
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Страница 7: ...Function Page Function Schedule Energy efficiency Micro foam technology Low noise operation Thick insulation for energy efficiency 7...
Страница 8: ...low Chart 2 Brief Description of System Flow Chart Model TWC2403DI is a fan cooling double system wine cooler When the wine cooler is just powered on the refrigerant flows in the sequence Compressor C...
Страница 9: ...n of Control Principle Model TWC2403DI is the direct cooling double system Wine Cooler an electronic type of all the control is generally adopted The display control PCB directly controls the start an...
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Страница 13: ...refrigerator This is a normal sound produced by the pull in or release of the armature of a current deadweight start relay when starting the compressor The compressor motor will produce a slight and...
Страница 14: ...ious welding points for leaks if leakage occurs an oil stain can be seen definitely b Check the suction and exhaust pressure values high pressure and low pressure of compressor to see whether they are...
Страница 15: ...er the compressor has operated normally for 5 10 minutes Touch and feel the condenser the temperature of its upper part should be higher than that of its lower part or its right part is hotter than it...
Страница 16: ...outlet of the capillary and no frost or a smaller quantity of loose frost appears on the evaporator After shut down the balance pressure in the system is usually lower than the saturation pressure cor...
Страница 17: ...utes open the tubing evacuate it and then recharge the system with refrigerant 4 Low efficiency of compressor Analysis of Trouble Low efficiency of a refrigerating compressor refers to the actual redu...
Страница 18: ...left in the evaporator Dismantle the evaporator purge it thoroughly and then dry it In case it is difficult to dismantle it charge refrigerant from the evaporator inlet to wash it several times then p...
Страница 19: ...gerating system has been performed improperly the effect of air purging for the whole system is not good or the water content in the refrigerant is out of standard all these will cause the expansion v...
Страница 20: ...s been used for a longer time or by the dirt accumulated gradually inside the filter Sometimes tapping the filter nay cause a passage for flowing touching it with your hand you will feel that it is co...
Страница 21: ...rouble 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 higher discharged gas t...
Страница 22: ...w one 3 Sudden stoppage due to other causes Normal Stoppage Start and stop of the compressor is generally controlled by a thermostat When the temperature in the refrigerator reaches its desired value...
Страница 23: ...re sensor Remedy Remove the relay cover to check up its contacts if they are open this means that the original setting is not properly set or temperature sensing agent has leaked out of the temperatur...
Страница 24: ...upply Dirt and other impurities in the lubricant oil will increase its viscosity and cause the shaft to be seized Copper plating may also result in seizing of shaft b Seizing of piston This is caused...
Страница 25: ...temperature cannot reach its 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 th...
Страница 26: ...handle or other metal parts with your hand Test the refrigerator with a test pencil it will light up intensively measure the resistance between the power cord plug and the case body with an avometer...
Страница 27: ...ecomes weaker 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 strike...
