Danfoss Compressor MTZ100HS4VVE

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

08/19/2020

Which air conditioner, floor heating, or radiator consumes the most electricity

At present, the household heating methods of the residents in the north and south of our country are becoming more and more diversified. Radiators, air conditioners, and floor heating are the three most common household heating methods.

08/07/2020

Working principle of frequency converter

　Inverters can be divided into voltage type and current type inverters.<br></br> 　　 Voltage type is an inverter that converts the DC of a voltage source to AC. The filtering of the DC loop is a current type that converts the DC of the current source to AŒ

06/25/2020

18 kinds of air-conditioning compressor competition! Whose compressor is the strongest refrigeration heart

Many people say that buying an air conditioner means buying a compressor. This is true. Simply put, the quality and life of the compressor determine the attitude of most people to buy. So what are the common compressor brands in the market? What compressors are used in these brand air conditioners?

07/29/2025

What is Hydraulic Pump? (Function, Types, Application＆Selection Method)

The basic hydraulic system components include oil tank, hydraulic pump, control valve, oil cylinder, connecting pipe and relief valve.

07/07/2020

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

08/12/2020

Disassembly steps and installation precautions of central air conditioning

Air conditioners have been in our lives for a long time. The central air conditioners installed in some homes or other places may be very old. It is time to disassemble, repair, or replace them.

09/22/2020

Coking treatment of compressor cooler oil circuit

The economical and common methods for cleaning the oil circuit of the cooler during maintenance work: Using water pump circulation cleaning method:

07/17/2020

Five items to pay attention to when using Copeland compressors

Copeland compressors are strictly forbidden to perform pressure test under oxygen, and for nitrogen without safety valve! Improper use will cause an explosion and cause casualties. Some users have already experienced this situation. I hope that all dealers promptly remind the installation personnel and use it as a warning. They must follow the operation process.

09/04/2020

It is said that compressed air power generation makes a profit of one to two billion a year. What do you think

Compressed air can be used to generate electricity, and after the heat generated during the power generation process is recovered, it can also be used for heating. The reporter learned from the Chongqing Science and Technology Commission that Chongqing Jingtian Energy Investment (Group) Co., Ltd.