Danfoss Compressor SH590A7ACW

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

07/07/2020

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

08/27/2020

Multiple precautions and safety guidelines for the use of compressor lubricants

Lubricants of different brands cannot be mixed. Mixing oils of different quality and grades will reduce the performance of the oil, and produce viscous deposits and lacquer deposits, which will block the oil supply system and affect the pressure delivery of the oil.

08/24/2020

Central air conditioning In 2020, enter the era of stock

In 2020, no one will be able to make an accurate assessment of international political patterns and economic development trends. In the short term, central air-conditioning is gradually transitioning from an incremental market to a stock market.

08/09/2020

Testing methods and maintenance skills of air-conditioning computer boards

The microcomputer control system of the household air conditioner is commonly known as the computer board. It is the nerve center of the air conditioner. When a failure occurs, the entire air conditioner will be in a paralyzed state

06/29/2020

Precautions for the use of screw air compressor oil

Precautions for the use of screw air compressor oil Note on the use of screw air compressor oil: It is forbidden to mix air compressor oils of different brands and grades. The old oil must be drained when replacing. It is strictly forbidden to add or filter and reuse.

07/30/2020

Analysis of common failure causes of hermetic refrigeration compressors

The resistance between running terminal (R), starting terminal (S), common terminal (C), RS is greater than the resistance between SC and RC. The resistance between RS is equal to the resistance between SC and the resistance between RC.

07/12/2022

Differences between Single Mechanical Seals and Double Mechanical Seals

Pumps work hard to distribute fluid throughout elaborate systems. As a failsafe against leakage, pumps include one of two parts: packings or mechanical seals.

10/22/2025

What Type of Compressor is Used in Domestic Refrigerators

We all know that in addition to electricity, refrigerators rely on compressors to maintain normal operation. The compressor is like the heart of the refrigerator.

10/23/2025

Why Refrigeration System Clogged

The blockages in the refrigeration system include ice, dust, oil and welding blockage, etc.