Keyence Sensor FS2-65P

02/25/2021

What's wrong with the freezer not cooling

There are four main reasons: the first is the lack of refrigerant and the compressor has problems; the second is the problem of the power cord of the freezer; the third is the frost in the evaporator of the freezer; the fourth is that the storage in the freezer is too full. Of course, no matter what the reason is, you should find a professional to help repair the loophole or add refrigerant.

07/31/2020

How to clean the precision air conditioner in the standby room？

The precision air conditioner in the computer room is the guarantee of constant temperature and humidity in the data center of the computer room.

07/07/2020

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

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.

08/05/2020

Why can only precision air conditioners with constant humidity and cleanliness be used in the computer room

The country divides computer rooms into Type A, Type B and Type C. The requirements for the three types of computer rooms are different, and the requirements for various construction standards and operating indicators are sequentially reduced.

10/13/2025

9 Types of Fan Bearing Comparison: How to Have Both Quietness and Longevity?

Quietness and longevity have always been two very important performance parameters in the PC heat dissipation field, and the fan can be said to be the biggest source of noise inside the entire computer case.

06/14/2020

The future development space of maglev central air conditioner

The emergence of magnetic suspension refrigeration compressors not only provides a new technology application method for the q * HVAC industry, but also as a product application of the central air conditioning technology z * forefront and energy saving efﰸ2䀀
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06/14/2020

The development history of magnetic levitation central air conditioning

Magnetic suspension centrifugal refrigeration compressors have been in research for 18 years from the beginning of z * to the present. At present, magnetic suspension refrigeration compressors have begun to be put into practical applications in large quanﰸ2

06/14/2020

Screw refrigeration compressors are prone to these types of failures, have you ever encountered them

1. Fault type 1. Abnormal compression ratio 2. Low condenser efficiency and failure 3. Low evaporator efficiency and failure 4. Failure of the oil system 5.Electrical failure

08/17/2020

How to adjust the refrigeration system of cold storage equipment to reduce operating costs

1. Reasonably adjust the operating parameters of the refrigeration system to improve equipment efficiency. 　　 The evaporating pressure and temperature of the refrigeration system and the condensing pressure and temperature are the main parameters.