Holip VFD Frequency Converter HLPA18D543B

06/29/2020

How the compressor works

07/19/2020

Industrial chillers-(singde) the basic requirements for the selection of lubricating oil!

Lubricating oil is to provide lubrication and cooling conditions for the moving parts of industrial chillers. The lubricating oil used in refrigeration compressors is usually called refrigerating oil, which is a highly refined special lubricant. Lubricating oil is used in the refrigeration compressor to lubricate the moving parts and reduce the friction between the surfaces of the moving parts.

08/08/2020

VRV air conditioning system, do you know

1.Principle of VRV system The variable refrigerant flow (Varied Refrigerant Volume, VRV) air-conditioning system is a refrigerant type air-conditioning system. Heat exchanger, compressor and other refrigeration accessories, the end device is an indoor uni–ﰨ2䀀湠疖VǜV
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08/19/2020

Installation and characteristics of cold storage air cooler

The cold storage air cooler is also known as an air cooler, which is an evaporative cooling and ventilation unit that integrates cooling, ventilation, dust prevention and deodorization.

08/10/2020

Do you know the selection of solenoid valve

The selection of solenoid valve should first follow the four principles of safety, reliability, applicability, and economy in order, based on the four principles, and secondly, according to the six aspects of field working conditions

08/18/2020

How to safely operate the compressor in an ammonia refrigeration system

Ammonia refrigeration compressor is a very important part of the refrigeration system, and it is also the main operation scope of the refrigeration workers. How to operate correctly is directly related to the safety index of the refrigeration system.

08/20/2020

Aftertaste the college entrance examination how many points can you answer this set of cold storage test papers

This year's college entrance examination is over, Chinese, mathematics, science and comprehensive...These subjects rigorously and scientifically test the students' ability to take the test.

09/09/2022

Types of DC Motors

According to the reversible principle of DC motors, DC motors are divided into DC motors and DC generators.

06/14/2020

What are the causes of frost in refrigeration compressors

1. The opening of the thermal expansion valve is too large, or the installation of the temperature sensor is incorrect and the fixing is not firm or loose. The main reason is that the temperature sensor may feel the temperature too high in this case, resu器2䀀
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03/10/2022

Why is Your Refrigerator Start Relay Bad

Refrigerators have been necessary for people’s daily life and there are probably some problems with your refrigerators