Danfoss Compressor SM148A3RV

08/17/2020

Temperature has a great influence on refrigeration and air-conditioning systems, don’t you know

The relevant temperature of the components of the refrigeration and air-conditioning system has a normal temperature range, and it is an abnormal state if it exceeds this range.

06/30/2020

Pay attention to keep the compressor lubricating oil clean

Pay attention to keep the compressor lubricating oil clean Why should we pay attention to keeping the compressor lubricating oil clean? This is because the dirty oil of the compressor or the deteriorated lubricating oil will cause a vicious cycle of accelerating the wear of the parts. Therefore, we should clean the lubricant oil of the compressor according to the following requirements:

08/02/2020

Refrigerator refrigeration system leak detection

The refrigeration system should be tested for leaks due to refrigerant leakage or refrigerators after replacing parts. The following three methods are generally used for leak detection in refrigeration systems

01/15/2021

The reason why the refrigerator does not cool

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08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.

07/31/2020

What are the failures of the air conditioning refrigeration system (R410A)

When it is assumed that the system is blocked by welding, first check whether the system pressure and current are normal. You can use a pressure gauge to measure the suction pressure.

08/20/2020

Methods of handling sudden failures of precision air conditioners

1. Leakage treatment steps for precision air conditioning units 　　Leak handling operation precautions: Never destroy the vacuum artificially. If it is not certain that the unit has indeed leaked air into the unit, operation cannot be performed.

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

What are the advantages of air spring

The air spring shock absorber is the vibration isolator with the highest vibration isolation efficiency at this stage, which is better than the yellow elastic and vulcanized rubber. The air spring shock absorber is composed of a brake air chamber, a vulca器2䀀
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08/09/2024

21 FAQs on Refrigeration Compressors (Part 1)

Impurities entering the friction surface of the moving parts in the refrigeration compressor body will cause abnormal scratches and wear. Besides, impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the air conditioning system will block the valve hole or make the valve not close tightly and fail.