Danfoss Compressor SM112W9CK

07/25/2020

The 9 types of compressor failure and hazard analysis are all in it! ! !

Start with liquid is a problem that easily occurs during shutdown. In the shutdown state, the refrigerant will migrate from the system back to the compressor and be deposited in the lubricating oil.

10/29/2025

How to Defrost a Heat Pump: A Comprehensive Guide

Heat pumps are an essential component of HVAC systems that provide both heating and cooling solutions for homes and commercial buildings. However, like any other mechanical device, they require maintenance and care to operate efficiently and effectively.

09/03/2020

Environmental protection pressure is high, looms must change water to gas, and the air compressor market is very positive

The textile industry is the fastest growing industry in my country and the most influential industry in the world. During the rapid development of China's textile industry, numerous textile industrial clusters such as Jiangsu, Fujian and Guangdong have gradually formed.

08/30/2020

Development status and prospects of compressed air energy storage technology

Introduction 　　 Energy storage technology is an urgent need to solve the large-scale access of renewable energy and improve the efficiency, safety and economy of conventional power systems and regional energy systems.

07/07/2020

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

07/15/2020

How to avoid overheat protection of scroll Copeland compressor

Friends who have used Copeland compressors know that Copeland compressors are relatively solid to use and are not so easily damaged. This is because Copeland compressors have several built-in protection programs. Overheat protection is one of them. Today we will talk about the internal temperature protector of the scroll compressor.

03/03/2021

The key detection items of servo motor and common problems in servo motor detection

1).Servo motor detection -- cogging torque: Cogging torque is an inherent phenomenon of permanent magnet motor, which can make the motor torque fluctuate and produce vibration and noise. We measure the change of motor torque in a rotation cycle on a special test bench and analyze the distribution of cogging torque.

08/20/2020

Precautions for water treatment of central air conditioning chillers

The central air conditioner of many units will have various problems during operation. After analysis, a considerable part of it is caused by the unreasonable design of the design department or even the design error.

09/02/2020

Multi-dimensional comparative analysis of systematic energy saving of centrifugal compressors

With the continuous development of my country's industry, enterprises themselves not only face fierce competition in the market, but also put forward strict requirements on their own production and operation costs. "Throttling" means "open source".

08/15/2020

What should I do if the cold storage is moldy How to physically remove mildew

Mold generally grows in dark and humid places and can adapt to lower temperatures. Usually in high temperature storage, the situation is serious. Mold grows in the cold storage, and the spores will fly everywhere, which will contaminate the goods and products stored in the storage.