Rockwell AB VFD Frequency Converter 20AC030A0AYNANC0

07/14/2020

Does the air conditioner not cool for a long time? Don't be fooled by the blackhearted repairman, teach you a trick!

It's hard to imagine how people used to live without air conditioning. But air conditioners, like all electrical appliances, have a certain life span. With the increase of service life, especially the occurrence of refrigeration problems, its use effect will decrease with the increase of time, especially refrigeration problems.

08/24/2020

Multi-angle overall planning and promotion of coal to gas in the northern region

The implementation of "coal-to-gas" is an important measure to effectively implement the tasks of clean heating in winter in the northern region. It also has multiple target positioning such as advancing the energy revolution

04/06/2022

How to Make an Air Conditioner With a Fan?

The weather in summer is pretty hot . If there is no air conditioner at home, only the electric fan can we use to cool down. If we still feel hot after turning on the fan, in fact, we can make an electric fan as cool as an air conditioner by ourselves.

08/02/2020

How to blow pollution after installation of cold storage refrigeration system

The reason for blowing dirt after the refrigeration system is installed is that during the installation or maintenance of the refrigeration system, there will inevitably be welding slag, rust, oxide scale and other impurities in the refrigeration system.

09/10/2020

The formation and harm of carbon deposits in air compressor

The reasons for the formation of carbon deposits in air compressors are more complicated. In terms of air compressor oil lubrication, the main reason is that the oil used in the internal lubrication system of the air compressor is often in the form of mist and high temperature, high pressure, high oxygen partial pressure air and metal The contact of the catalyst causes the air compressor oil to rapidly oxidize and deteriorate.

06/14/2020

The reason for the failure of the multi-line air-conditioning compressor is revealed!

The failure of motor compressor (hereinafter referred to as compressor) can be divided into motor failure and mechanical failure (including crankshaft, connecting rod, piston, valve plate, cylinder head gasket, etc.). Mechanical failures often overload器2䀀
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07/07/2020

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

08/20/2020

Three key points of cold storage planning and construction

With the gradual development of the cold chain refrigeration industry and the improvement of economic living standards, the planning and construction of cold storage has become a top priority for the development of the current cold chain industry.

08/14/2020

What are the performance advantages of air-cooled chillers

The rapid development of the refrigeration industry has brought a lot of convenience to people's lives, especially in the chemical and medical fields, and the demand for chillers in the food field is higher.

09/05/2020

These safety knowledge must be mastered by front-line employees!

How to quickly identify hazards and cultivate good operating behaviors is the focus of frontline employee safety management!