Hitachi Compressor SH370UY-C7PU1

08/25/2020

After the refrigerant leaked, Uncle New York lit a cigarette, causing an explosion

On the 23rd, Mr. Zhu, who lives in New York, caused a big explosion when he lit his cigarette because of a flammable gas leak in his home. He instantly became a fire man.

06/01/2023

How to Check AC Compressor: A Comprehensive Guide

The air conditioner compressor, also known as the AC compressor, is an essential component of your home's HVAC system.

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.

07/17/2020

Detailed product knowledge about Danfoss expansion valves

The thermal expansion valve is used to adjust the supply amount of liquid refrigerant in the evaporator. The supply amount is controlled by the superheat of the refrigerant. Therefore, this valve is particularly suitable for the supply of refrigerant liquid in the dry evaporator. Because the refrigerant superheat at the outlet of the dry evaporator is proportional to the load of the evaporator.

03/02/2021

Related technical terms

1.Positioning or residual torque: when there is no current passing through the winding, the torque required to make the output shaft of the motor rotate. 2.Driver: an electrical control device used to run the stepping motor. This includes power supply, logic programmer, switching element and a variable frequency pulse source which determines the step rate. 3.Dynamic torque: the torque produced by the motor at a certain step rate. The dynamic torque can be expressed by PULL IN torque or PULL OUT torque.

08/24/2020

What are the cooling methods you know Let's all talk!

1.Vapor compression refrigeration Principle: In the vapor compression refrigeration cycle system, the compressor sucks in low-temperature and low-pressure refrigerant vapor from the evaporator, is adiabaticly

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/11/2020

8 main points of HVAC field construction experience

1. Equipment installation<br></br> 　　 1. The installation location of the air-conditioning host should be convenient for inspection and repair, and should not affect its use function, especially pay attention to heat dissipation.

08/18/2020

Several safety protection methods for compressors in industrial chillers

In industrial chillers, the quality of the compressor determines whether the working efficiency of the chiller is good. At the same time, the compressor also plays an important role in the future after-sales maintenance of the chiller.

09/10/2020

In the next two years, the world's bearing demand will reach 76 billion US dollars

According to the forecast analysis report of the global bearing market by the industry research company, the global demand for ball bearings, roller bearings and sliding bearings is expected to grow at an annual rate of 8.5%, reaching 76 billion US dollars by 2014, of which unloading The largest demand for ball bearings and roller bearings.