Danfoss Compressor DSF270A3ALH

08/20/2020

Analysis and troubleshooting of common faults in cold and hot water air conditioning systems

Common faults of cold and hot water air conditioning systems mainly come from three major parts: the refrigeration system, the water pipe system and the surrounding environment.

08/19/2020

Technical standards and selection principles of explosion-proof chillers

Explosion-proof water chillers are specific explosion-proof measures based on standard water chillers to prevent electrical equipment from igniting the surrounding explosive gas environment.

09/06/2020

Characteristics and Control of Exhaust Noise of Air Distribution Valve in Pneumatic System

In a pneumatic system, the air intake and exhaust of the cylinder are controlled by an air distribution valve, and the noise generated by the air discharged into the atmosphere through the exhaust port of the distribution valve is often greater than the noise generated by any part of the pneumatic system. And cause serious damage and pollution to the operators and the surrounding environment [2].

08/10/2020

Do you know the selection of solenoid valve

The selection of solenoid valve should first follow the four principles of safety, reliability, applicability, and economy in order, based on the four principles, and secondly, according to the six aspects of field working conditions

08/20/2020

What is the difference between fresh-keeping storage, cold storage, freezer and controlled atmosphere storage

1. Fresh-keeping warehouse The storage temperature of the fresh-keeping warehouse is generally 0℃~5℃, which is mainly used to keep fresh, that is, to maintain the original quality and freshness of agricultural products for a long time,

08/05/2020

In the hot summer, be wary of the 5+X hidden dangers of cold storage

With Chinese economic and social development and the continuous improvement of people’s living standards, the cold chain logistics industry has obtained unprecedented development opportunities.

07/07/2020

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

07/29/2020

6 possible reasons why the air conditioner is not cooling

6 possible reasons why the air conditioner is not cooling<br></br> The reasons why the air conditioner is not refrigerated are divided into non-air-conditioning faults and air-conditioning faults. Today we share the reasons for non-air-conditioning faults.

01/14/2021

2p air-conditioning compressor how much money

2p air-conditioning compressor how much money Whether at work or in life, everyone has the feeling that the development of science and technology is getting faster and faster and more and more economically powerful. It is also because of the development 器2䀀
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08/27/2020

Maintenance method and practice of air compressor electrical equipment

There are many commonly used electrical equipment, such as circuit breakers, contactors, relays, thermal relays, switches, etc., these are hard circuits, in addition to PLC, etc., these equipment is very widely used in air compressors and station rooms, it can be said to be necessity.