POWTRAN VFD Frequency Converter PI9430 093G3/110F3

01/19/2024

Central Air Conditioning System: Types, Components, and Brands (including Mitsubishi Electric, Daikin, York, Carrier, etc.) (Part 1)

The various parameters of the central air conditioning system are basically outperformed by various wall-mounted units and cabinet units, but they have incomparable advantages in terms of space and appearance.

07/31/2020

How should centralized air conditioners be used during epidemic prevention and control

Before using the centralized air-conditioning ventilation system, you should understand the type of the centralized air-conditioning ventilation system, the air supply range, and the air intake of the fresh air

07/16/2020

Use vacuum pump

When choosing a vacuum pump, you need to pay attention to the following items: 1. The working pressure of the vacuum pump should meet the ultimate vacuum and working pressure requirements of the vacuum equipment.

08/06/2020

Refrigeration equipment design the role of solenoid valves, thermal expansion valves, four-way valves, gate valves, and butterfly valves

Electromagnetic valve (Electromagnetic valve) is an industrial equipment controlled by electromagnetic. It is an automation basic component used to control fluid. It is an actuator and is not limited to hydraulic and pneumatic.

06/29/2020

Several causes of compressor burning

07/23/2020

Refrigeration compressor motor burnout detection and repair methods, quickly collect it!

The core component of the refrigeration system is the compressor. The faults of the motor refrigeration compressor (hereinafter referred to as the compressor) can be divided into motor faults and mechanical faults (including crankshaft, connecting rod, piston, valve plate, cylinder head gasket, etc

08/24/2020

Revealed Six Secrets of Low-priced Central Air Conditioning Thermostats

According to reports, with the upgrading of central air conditioners in large and medium-sized buildings in China and the rapid growth of household central air conditioners, the market "cake" of central air conditioners is attracting more and more attention.

08/17/2020

How to recover refrigerant

1. How to recover the refrigerant from the industrial chiller to the accumulator? 　　The specific operation steps for recovering the refrigerant from the industrial chiller to the accumulator are:

07/30/2020

Beware of "air conditioning disease" in summer, experts advise not to "greedy cold"

Recently, the high temperature outdoors in Haikou continues. To avoid the heat, many people like to stay in the air-conditioned room for one day. Some people even enter the air-conditioned room immediately after being caught off guard by a thunderstorm, causing cough, headache, runny nose

01/10/2021

The importance and design application of hotel fresh air system

With people's emphasis on environmental protection and the continuous improvement of air quality requirements, the fresh air system has become a hot word that appears frequently. As a place for people to relax and entertain, the requirements for the decor器2䀀
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