Danfoss Compressor SM147T4RA

08/20/2020

Air-conditioning installation also charges aerial work fees. Have you paid for it

event: Citizen Ms. Liu bought an air conditioner of a certain brand online, and someone came to install it the next day after signing for it, but was asked for a "high-altitude fee" of 50 yuan. Ms. Liu felt very uncomfortable because "the fee was not mentioned at the beginning" .

07/30/2020

What should I do before the air conditioner is turned on for the first time when I encounter the new crown virus in summer?

In a live broadcast last night, Dr. Zhang Wenhong stated that China’s epidemic prevention and control has done a good job. When people wear masks, the probability of contracting the new crown virus is very small.

01/14/2025

Refrigerator PTC Relay Wiring Method

The PTC (positive temperature coefficient) relay is directly connected in series with the secondary winding (start winding).

09/14/2020

Maintenance and maintenance of screw air compressor

1. Maintenance and maintenance of intake air filter element. The air filter is a component that filters air dust and dirt, and the filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows particles within 15u to filter out.

11/09/2022

Comparisons between the Electronic Expansion Valve and the Capillary Tube

The electronic expansion valve (EEV) and the capillary tube (CT) are both commonly used throttling devices in the refrigeration and the air conditioning systems.

08/09/2020

What are the characteristics of logistics cold storage construction

With the rapid development of modern commerce, the original cold storage for product storage has become increasingly unable to meet the rapid, accurate, and small-batch circulation needs of modern commodities.

07/07/2020

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

08/20/2020

How to prevent moisture caused by steam penetration in cold storage projects

Under normal circumstances, excessive air humidity causes rapid growth of mold, moldy food, and corrosion of cold storage building materials. Therefore, the moisture-proof of cold storage projects is also particularly important.

09/07/2020

The essentials of air compressor selection

When buying an air compressor, in addition to the purchase cost, how to reduce electricity expenses? How to extend the service life of the air compressor? How to provide air pressure smoothly?

01/04/2021

Noise control of a two-stage screw refrigeration compressor

Noise control of a two-stage screw refrigeration compressor From a Department of Compressor Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, 710049 Shaanxi, China b Suzhou Academy, Xi’an Jiaotong University, 215123 Jiang器2䀀
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