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Company name:Huzhou sinuote refrigeration appliance co., LTD

Contact person: Mr. Zhu/Grace Zhang

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Phone: 13362291972/13357195648

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Address: no. 5 workshop, no.20 north national road, daxi town, huzhou city, zhejiang province


Why was the compressor in the refrigerated display case burned

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Why was the compressor in the refrigerated display case burned

Date of release:2019-04-15 Author: Click:

Refrigerated display cabinet



One. Poor external heat dissipation is an important reason for the compressor burning down of the refrigerated display cabinet:

Especially for large refrigerated cabinets, the compressor in the refrigerated display cabinet has large power and much heat dissipation. If the refrigerator is squeezed in a narrow space and the air cannot circulate, the refrigeration effect of the compressor in the refrigerated display cabinet will decline, and the delay in lowering the temperature will lead to the continuous operation of the compressor in the refrigerated display cabinet, thus burning the compressor in the refrigerated display cabinet.


Two. Insufficient cleanliness of refrigerated display cabinet system:

Among them, water content is the most important problem, which will lead to poor insulation of the motor. Water, refrigerant and refrigerated oil circulate in the system. After high temperature and low temperature changes, acidic substances will be produced, which will damage the insulation layer of the motor. Long time operation will lead to poor insulation of the motor and burn down the motor.


Three. Unstable power supply of the refrigerated display cabinet will lead to the burning of the compressor of the refrigerated display cabinet:

Unstable power supply voltage, such as too high voltage or too low voltage (more occurrence of spontaneous power supply), will have adverse effects on the motor, especially beyond the rated voltage range of refrigerated display cabinet compressor is the most improper use, long-term operation makes the motor in low-efficiency overheating state, resulting in poor insulation, motor burning. In addition, three-phase voltage or current imbalance, will also cause motor loss (iron loss and copper loss) increase, motor coil temperature rise, such as improper protection, damage to the insulation of the motor will have adverse consequences.


Four. The rotating parts of the compressor in the refrigerated display cabinet are stuck:

In this case, if the motor protection action fails, the motor may overload and burn out. The reason why the compressor in the refrigerated display cabinet is stuck is that there is foreign matter in the compressor in the refrigerated display cabinet, oil throwing is not lubricated, parts are loose, the body is overheated and sintered, and bearings are worn.


Five. The system of refrigerated display cabinet is not cleaned up after the motor burns out:

For the system that once had the compressor burning failure of the refrigerated display cabinet, the system must be thoroughly cleaned, because when the motor burns down, strong acid will be generated and reside in the system. If the treatment is not clean, when the new motor runs, residual acid substances will erode the insulation layer of the motor, causing the new motor to burn down again.





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Address: no. 5 workshop, no.20 north national road, daixi town, huzhou city, zhejiang province

Website: en.snowt.cn

Telephone: 13362291972/13357195648

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