Danfoss Compressor DSF090A4ALC

08/16/2021

How to Put Freon in a Refrigerator Compressor

As we all know, the most important reason why refrigerators and air conditioners can be cooling is that the Freon.

08/09/2020

Why is the application of frequency conversion technology slow in freezing and refrigeration

In household air conditioners, inverter technology has become popular. Compared with household air conditioners, the use of frequency conversion technology in refrigeration and refrigeration systems is of greater significance

06/14/2020

Piston compressor

The work of the piston compressor is completed by the working volume composed of the cylinder, the air valve and the piston reciprocating in the cylinder. If the volume loss and energy loss (that is, the ideal working process) of the actual operation of t器2䀀
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07/24/2020

Air conditioning system fault diagnosis guide (Part 1)

"Refrigeration system low pressure, high pressure value abnormal", "compressor shell temperature abnormality", "air inlet and outlet temperature difference value abnormal", "air conditioner outlet temperature is too high or low",

08/07/2020

What should I do if there is water in the refrigerator compartment

In our daily life, many household appliances are used very frequently, but when encountering some emergencies, they feel helpless and have to ask after-sales or repair personnel for help.

02/08/2023

Pros and Cons of Pneumatic, Electric and Hydraulic Actuators

The actuator used in the control valve are nothing more than pneumatic, electric, and hydraulic (electro-hydraulic) type.

07/17/2020

The effect of insufficient refrigerant charge on the chiller

1. If the suction pressure and discharge pressure of the compressor are lower than the normal value, then you need to check to see if it is due to insufficient refrigerant charge.

08/20/2020

Strategy丨Common failures and maintenance of piston refrigeration compressors

1. The refrigeration compressor cannot start normally 　　Overhaul ideas 　　 1. Firstly, check whether it is caused by low power supply voltage or poor motor circuit connection.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/16/2020

What are the basic conditions needed to install industrial chillers

With the continuous development of society, many companies have a great demand for refrigeration. The continuous development of science and technology also makes companies