NORTHMAN Solenoid Valve SWH-G03-N2-D12-20

06/29/2020

How the compressor works

07/26/2020

Precautions for using R410A refrigerant in air conditioner

The types of refrigerating machine oil (lubricating oil) are roughly divided into mineral oil and synthetic oil according to the use of refrigerant. The lubricating oil of R22 refrigerant currently used is basically mineral oil. R410A refrigerant uses synthetic oil.

09/23/2020

Talking about screw compressor

It has become an inevitable trend to use highly reliable screw compressors to replace piston compressors with many wearing parts and poor reliability. Japan's screw compressors accounted for only 27% in 1976, and rose to 85% in 1985; the current market share of screw compressors in western developed countries is about 80%, and it maintains an upward trend.

03/26/2025

How Refrigerator Compressor Works (Structure Diagram, Working Principle Diagram)

For a refrigerator product, the most core part is the compressor. If the refrigerator does not have a compressor with good quality and technology

06/21/2020

Operation process of automobile air-conditioning refrigeration system and the role of pressure switch

Operation process of automobile air-conditioning refrigeration system and the role of pressure switch From top to bottom, automobile air conditioners are mainly composed of blowers, evaporators, pressure switches, dryers, expansion valves, condensers, and the most source compressors. The operation process of this air-conditioning system is: heat dissipation,

07/27/2020

The refrigerator compressor keeps beeping after cleaning, but it is not cooling. What's the problem?

he compressor keeps ringing, so it keeps working. There is no intermittent start and stop sound, which means it has been working hard to refrigerate, but now there is no refrigeration output.

06/14/2020

Solar driven adsorption refrigeration

Solar driven adsorption refrigeration Shanghai Jiaotong University Wang Ruzhu and other nearly 20 years of painstaking research "adsorption refrigeration adsorption mechanism, cycle construction and thermal design theory" won the second prize of the 2014ﰸ2䀀
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07/26/2020

This is a common failure of refrigeration compressors!

The excessively high suction temperature is mainly caused by the increase of suction superheat. Note that high suction temperature does not mean high suction pressure, because suction is superheated steam.

08/17/2020

Air conditioning unit filter and heat exchange equipment dust and scale treatment method

Summary: Dust and fouling occur on filters and heat exchangers, which are not economical for the operation of air conditioning units and cannot guarantee normal use requirements.

02/07/2024

A Comprehensive Guide: How to Turn off Oven Cooling Fan

Oven cooling fans are designed to dissipate heat and maintain safe temperatures during or after cooking.