Danfoss Compressor SH140B9AAQ

07/20/2020

Screw refrigeration compressors are prone to these types of failures, have you encountered them?

The compressor is a volumetric compressor.Since its use in 1934, it has a dominant position in small to large and medium-sized refrigeration systems because of its excellent performance, not suitable for wear, and large unit cooling capacity.

09/09/2022

Types of DC Motors

According to the reversible principle of DC motors, DC motors are divided into DC motors and DC generators.

09/24/2025

4 Types of Safety Protection for Refrigeration Compressors (9 Common Protection Devices for Refrigeration Compressors)

When the compressor is running, some abnormal situations may occur, such as: the exhaust pressure is too high, the suction pressure is too low, the oil pressure is insufficient, the motor is overheated

09/04/2020

See how compressor sales staff develop new customers

At present, with the acceleration of economic development and industrialization, compressors are more and more widely used in production practices. At the same time, it is precisely because of the rapid progress of the machinery industry that related companies are trying their best to achieve their own breakthroughs

11/05/2025

How to Check the Freon in a Home Air Conditioner: A Comprehensive Guide

Maintaining the optimal refrigerant levels in your home air conditioner is crucial for its efficient and effective performance. Freon, also known as refrigerant, plays a vital role in the cooling process.

08/11/2020

Introduction to five common failures of screw chillers

Introduction to five common failures of screw chillers<br></br> 1. Screw chiller communication failure 　<br></br> The control of each module by the computer controller is realized through the communication line and the main interface board

08/21/2020

Useless for a lifetime. Dehumidification and refrigeration of air conditioners are completely different!

This summer, the heavy rain that has come in New York caught many friends off guard, and the humid and sultry weather made the big guys complain. A small partner told the author that at this time, dehumidification is enough. The air conditioner does not need to be cooled. principle of refrigeration of central air-conditioning chillers

07/31/2020

Suggestions on safe and intelligent control of air conditioning and ventilation systems during epidemics

Under the epidemic situation, rework is imminent. We have carefully studied the relevant regulations and guidelines newly implemented in the country during the epidemic period, combined with relevant national regulations,

08/12/2020

How to prevent the refrigeration compressor from reversing

Reverse rotation is strictly prohibited after the refrigeration compressor is stopped. When the compressor rotor is stationary, there is still a large volume of process gas remaining in the pipeline and has a certain pressure

06/29/2020

Several causes of compressor burning