Danfoss Compressor SH620A6ACC

08/08/2020

Daily maintenance method of precision air conditioner for computer room

With the development of science and technology, the precision air conditioners in the computer room are gradually upgraded, and the cost is getting higher and higher. Therefore, it is more necessary to increase maintenance efforts.

06/25/2025

Common Types of Refrigeration Compressors: A Comprehensive Guide

When mentioning refrigeration, everyone in this modern world may be familiar with it. People's daily use of air conditioners, refrigerators, whether small household or large commercial ones, are refrigeration appliances.

09/07/2020

The harm of screw air compressor not being maintained on time

The screw air compressor must be regularly maintained. Many air compressor users think that they are fooling around. So why do air compressors need to be maintained, and what will happen if they are not regularly maintained? What is the harm?

09/03/2020

Selection of air inlet filter cartridge

The selection of the inlet filter cartridge actually involves many aspects, not only the cartridge itself, but also the entire system design. Therefore, when selecting a filter cartridge, you should refer to the processing air volume, surrounding environment, pre-filtration, etc.:

05/30/2023

Why Does My AC Compressor Turn on and off Repeatedly?

Under the control of the thermostat, generally the air conditioner will stop working when it reaches the set temperature. For example, when the indoor temperature is 35 °C, you turn on the air conditioner and set it to cooling mode

08/11/2020

Common practice of oil return design in refrigeration system

When the condenser is installed higher than the compressor, a U-shaped bend is required at the intake pipe of the condenser to prevent oil from returning to the exhaust side of the compressor during shutdown and also help prevent liquid refrigerant from the condenser

07/07/2020

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

07/22/2024

Gas Shut-Off Solenoid Valve: Basics, Working Principles and Applications

Gas shut-off solenoid valves, also known as gas safety shut off solenoid valves and gas emergency shut off solenoid valves, are emergency shutoff devices for gas pipelines.

05/30/2025

Air Curtain 101: Working Principle, Types, Function, Application and Selection

Air curtain, also called air door curtain, air door, is mainly installed at the entrances and exits of public places with air-conditioning environments.

02/07/2023

How do Water Level Meters Work?

Water level meters, also called "water level indicators" or "water level sensors," are widely used in industrial boiler.