Danfoss Compressor SH242B9AAI

07/07/2020

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

08/11/2020

Correct adjustment method of opening degree of thermal expansion valve

The expansion valve is one of the four major components of the refrigeration system. It is an important device for regulating and controlling the flow and pressure of the refrigerant entering the evaporator, and it is also the "boundary line" between the high and low pressure sides.

08/19/2020

Experts help you see through the three major lies in choosing air conditioners

Summer is the peak season to buy air conditioners. It can enter autumn. After the temperature becomes more comfortable, the attention of air conditioners begins to plummet.

05/02/2025

Your Complete Guide to Refrigerator Fan Failures and Frequently Asked Questions

Refrigerators are essential appliances in any modern household, ensuring the freshness and longevity of perishable items.

08/03/2020

HVAC essential! Three steps to accurately calculate the cooling capacity of central air conditioning

The cooling capacity calculation of central air-conditioning is divided into three steps: 1. Calculate the actual cooling capacity required: Calculate according to the practical area of ​​the room (carpet area, the floor area of ​​the home can be deducted from the floor area); 150 watts per square meter;

09/15/2020

The difference between micro vacuum pump and gas sampling pump

Usually we call small-volume pumps that can generate negative pressure as micro-vacuum pumps, but we must strictly distinguish them when selecting products.

06/14/2020

How to Emancipate the Mind and Develop in the Air Compressor Industry

How to Emancipate the Mind and Develop in the Air Compressor Industry How to Emancipate the Mind and Develop in the Air Compressor Industry      Nowadays, the general machinery air compressor industry has gone through a stage of extensive development ﰸ2䀀
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08/20/2020

Precautions for using purifier

In the past few days, all parts of the country have been cooling down, the weather has become cold, and the nasty haze has returned. Every morning when I go out, the road is gray and gray.

08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

08/14/2020

How does the cold storage refrigeration system supplement and discharge refrigerant

The cold storage refrigeration system must ensure that the refrigerant is dry when adding refrigerant (only applicable to fluorine refrigerant refrigeration systems),