SANWU Belt A44

07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

08/14/2020

What are the noteworthy issues in central air conditioning design

1. Variable air volume ratio 　　 The air-conditioning system runs under partial load conditions most of the year, that is to say, the fans, ducts and air volume of the end of the variable air volume system are mostly between the maximum and minimum air volume limits.

09/05/2020

The old driver summarized several characteristics of the domestic compressor market

my country's air compressor manufacturers are mainly located in the coastal areas of the Yangtze River Delta and the Pearl River Delta. These regions have relatively developed economies and obvious geographical advantages, talent advantages and technological advantages.

07/30/2020

Case analysis of maintenance of central air-conditioning compressor

We all know that the compressor is the heart of the refrigeration system, and it can be said to be the lifeblood of the refrigeration system. The compressor often has various problems during long-term use.

07/20/2020

What are the requirements for refrigeration compressor installation

What are the general requirements for refrigeration compressor installation? The editor will introduce it to you, and hope to help everyone! 1. Collect the original materials and technical documents of the refrigeration device and system design, and be familiar with all the contents.

06/14/2020

Working principle of rolling rotor compressor

Working principle of rolling rotor compressor

09/08/2023

Air Source Heat Pumps Explained

Air source heat pumps (ASHPs) have emerged as a popular and eco-friendly alternative for heating and cooling homes.

08/07/2020

Refrigeration unit fan equipment refrigeration system maintenance

1. To operate the unit, always observe the oil level and return of the compressor and the cleanliness of the oil. If the oil is dirty or the oil level drops, it should be solved in time to avoid poor lubrication.

01/07/2021

Cold storage installation

Cold storage installation 1. Precautions for testing after cold storage installation 1. Start the refrigeration compressor and check whether it is normal. The rotation direction of the open compressor is correct. When the compressor is started, it sho器2䀀
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06/29/2020

Compression ratio of American Copeland compressor