Omron PLC G730-VOD08-B

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

08/17/2020

How to clean the return air duct of central air conditioning

Today, the editor of okmarts.com mainly introduces some of the most commonly used and basic cleaning procedures for central air-conditioning. I hope it will be useful to everyone!

08/20/2020

Don’t panic when the refrigeration compressor stops suddenly

What should be paid attention to when the refrigeration compressor stops abnormally? Some friends may not understand well, let's take a look at the editor of okmarts.com today!

09/22/2020

Thyristor solid medium voltage soft starter

I. Overview In our country's coal mine, petroleum, chemical industry, steel, power generation, water supply, cement building materials and other fields, there are a large number of 3KV, 6KV, 10KV and other voltage levels of medium and high voltage AC asynchronous motors. A large part of them do not require speed regulation, but need to solve the starting problem of these high-voltage large motors.

06/14/2020

Air conditioning maintenance, nine times out of ten, said that lack of fluoride, is it true or false How to judge the lack of fluoride in air conditioner

Air conditioning maintenance, nine times out of ten, said that lack of fluoride, is it true or false How to judge the lack of fluoride in air conditioner Every summer, the air conditioner is used most frequently, and the failure rate of the air condition器2䀀
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08/20/2020

What are the preparations before starting the chiller

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. Chillers are called cooling water circulation machines, also called chillers,

09/09/2020

Method of controlling noise of air compressor

Control of noise pollution of air compressors Noise is a kind of sound that people don’t need. It is a kind of public hazard that has been raised to the agenda and needs to be solved. Noise pollution is multifaceted, but the pollution of air compressor noise is classified.

08/03/2020

About solar heating, cooling, hot water triple supply system

With the development of social economy, energy and environmental issues have become the "bottleneck" restricting the development of the world economy.

09/11/2020

Noise analysis and treatment of air compressor

Noise analysis and treatment of air compressor A compressor manufacturer's statement: The noise level guarantee is +3dBA, which means that its noise level will be twice or one half of the declared noise level.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms