Danfoss Compressor SH675B3AAR

08/16/2020

How to correctly remove ammonia refrigerant during refrigeration machine maintenance

In the process of maintenance of the refrigerator, if there is a fault in the system components from the compressor exhaust shut-off valve to the accumulator outlet valve, it needs to be disassembled and repaired.

08/24/2022

Choose the Right Electric Valve Actuator

The actuator is an indispensable and important part of automatic control system. Its function is to accept the control signal sent by the controller and change the size of the controlled medium

08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

07/31/2020

8 standard processes for central air conditioning installation!

In terms of home improvement, concealed projects include water and electricity, there is also central air conditioning,

08/13/2024

16 Common Faults and Troubleshooting Methods of Cold Storage Refrigeration Equipment

[Fault analysis] After the refrigerant leaks in the system, the cooling capacity is insufficient, the suction and discharge pressures are low, and a much larger intermittent "squeaking" airflow sound can be heard at the expansion valve than usual.

08/07/2020

How to deal with the burnout of the air conditioner compressor pile head

The compressor is an important part of the air-conditioning equipment. Due to its large current, the temperature is sometimes low and sometimes high, which easily causes moisture adsorption. During maintenance,

06/29/2020

Compression ratio of American Copeland compressor

08/19/2020

Be vigilant What is the hazard if the cooling tower is floating

With the development of the times, cooling towers are widely used in various industries. Among them, the phenomenon of cooling tower floating water has a great impact on the safety of

09/06/2020

What should I do if the bearing is broken

How to judge whether the bearing can be used again and the defect that needs to be replaced 　　To judge whether the bearing can be used again, it should be decided according to related factors such as bearing damage level, mechanical performance, importance, operating conditions, inspection period, etc.

07/18/2020

The common fault analysis of refrigeration compressors is here!

Working condition and adjustment of refrigeration system of low temperature chiller Refrigerators are now widely used in the refrigeration industry, and the refrigerant is usually R22 (also R404a). In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor, oil separator, water-cooled shell and tube condenser, filter drier