HONGFA Relay HFE20-1-12-1HT-L1

08/08/2020

Six common problems of central air conditioning

Six common problems of central air conditioning 1. The dew point temperature of the central air-conditioning machine is normal or low, and the reason for the slow indoor cooling and the solution

08/08/2020

Calculation method of power cord size of industrial chiller

In the field of industrial chillers, how is the size of the power cord calculated? Let's go see how it works?<br></br> 　　The working temperature is 30℃, and the current carrying capacity under long-term continuous 90% load is as follows:

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.

08/21/2020

What are the hazards caused by the air entering the condenser of the freezer

The handling of water-cooled chiller failures must strictly follow scientific procedures. The chiller operator should not act without authorization and disassemble the water-cooled chiller at will when the situation is unclear,

08/15/2020

How to achieve low-cost operation of the freezer

Enterprise users who use refrigerators are more concerned about the cost of use. The editor of okmarts.com believes that only by saving energy can the cost of enterprise use be effectively saved.

06/14/2020

Ten basic performance parameters of refrigeration compressors (technical sharing)

Ten basic performance parameters of refrigeration compressors (technical sharing) 1. Actual gas transmission volume (referred to as gas transmission volume) 　　 Under a certain working condition, the mass of gas delivered from the suction end to the ex器2䀀
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05/18/2022

How to Measure Air Pressure in A Cylinder?

During use, the cylinder piston bank will deteriorate due to wearing, ablation, gumming, carbon deposition and other reasons.

09/21/2020

10 steps to choose an air compressor

When building an air system, in addition to the purchase cost, how to save high-frequency electricity expenses? How to extend the life of the air machine? How to stabilize the air supply pressure? And how to reduce environmental noise and pollution? It is a problem that users expect to solve: how to correctly select an air compressor in the initial stage of setup plays a key factor.

09/11/2020

Discussion on the Key Technology of DC Inverter Air Conditioner Control

Inverter air conditioners have become a hot spot for the development of air-conditioning companies because of their energy-saving, comfortable, and high-energy-efficiency advantages and conform to the national policy of "energy saving and emission reduction".

06/29/2020

Compression ratio of American Copeland compressor