Danfoss Compressor SH242B9AAD

06/29/2020

Compression ratio of American Copeland compressor

07/30/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

08/15/2020

The difference between cold storage aluminum row evaporator and seamless steel tube evaporator

When we choose to install cold storage, we usually encounter material selection problems. The advantages of the aluminum row evaporator are space saving, lightness, energy saving and environmental protection, convenient installation, etc.

09/07/2020

Is the air compressor oil-free or oil-free

The air compressor is oil-free or oily! ? 　　Good or bad depends on the use occasion and actual working conditions. In some occasions, such as food, medicine, precision instruments and other industries, it is necessary to use an oil-free air compressor. However, oil-free air compressors are much more expensive and more expensive to maintain.

06/20/2020

The main reason for the slow heating of air conditioners

There are several reasons for the slow heating of air conditioners: 　　 The dirt of the transpiration device and the condenser is too thick, which will cause air flow blockage, affect the heat declaration, and make the air conditioning heating a big discount. The filter is not cleaned for a long time<img src="{{media url=&quot;The_main_reason_for_the_slow_heating_of_air_conditioners.jpg&quot;}}" alt="" />

08/21/2020

Is the refrigerant gas or liquid

Regarding whether the refrigerant is charged with gas or liquid, many masters must have known it for a long time. I often see people asking about this refrigerant when charging, whether it is gas or liquid? Here is a summary. For your reference.

08/11/2020

The key points that should be paid attention to in the process of central air conditioning construction management

1. Preliminary preparations for central air-conditioning construction<br></br> The construction process of the central air-conditioning is a complex and systematic project.

09/01/2020

Analysis of three states of mechanical lubrication

There are three types of lubrication: full film lubrication, boundary lubrication, and mixed lubrication. They are in three different states, but they all rely on lubricating oil to lubricate and resist wear.

08/18/2020

Seven-character poem of emergency plan for refrigerator

Refrigerator emergency plan<br></br> 　　 Refrigeration pump room inspector, familiar with the system pipeline.<br></br> 　　 Do not panic in an emergency, take measures and judgements.<br></br>

08/17/2020

What are the effects of water quality on water-cooled chillers

If the cooling performance of water-cooled chillers is to be kept in a stable state, very strict requirements on the water source are required. In the daily use of chillers, if the company does not pay enough attention to the quality of the water source