Danfoss Compressor SM147T7VD

08/17/2020

Matters needing attention in cleaning air conditioner condenser

For the health of the air conditioner, some car owners will clean the condenser, which is correct, but pay attention to the cleaning agent, it is best to use the condenser cleaning agent.

06/28/2024

Normally Open vs Normally Closed Solenoid Valve: Understanding the Difference

Solenoid valves are electromechanical devices that play a crucial role in controlling the flow of fluids or gases within a system. They are widely used in various industries, including manufacturing, automotive, HVAC, and agriculture, among others.

07/31/2020

How to use refrigerant to empty the air conditioner after installation

Air, moisture and impurities contained in the air will cause pressure increase, current increase, noise increase, and power consumption increase in the air conditioner system, which will reduce the cooling (heat) capacity, and may also cause ice blockage and dirty blockage.

06/29/2020

Several causes of compressor burning

09/10/2020

What factors affect the displacement of centrifugal compressors

1) The air filter is blocked or the resistance increases, causing the suction pressure of the compressor to decrease. When the outlet pressure is constant, the compressor pressure ratio is increased. According to the performance curve of the compressor, when the pressure ratio increases, the displacement will decrease;

08/21/2020

The role of pressure relay in refrigeration system

In industrial refrigeration, a pressure relay is an electric switch controlled by a pressure signal. It is often used as a protection and regulating element that directly controls the start and stop of the refrigeration compressor or controls the opening and closing of certain solenoid valves

09/10/2020

Afternoon tea problems often exist in air conditioning design

The author of okmarts.com came into contact with the HVAC engineering design of some design institutes, and compared the "Code for Design of Heating, Ventilation and Air Conditioning"

07/24/2020

Central air conditioning water system cleaning method, process and case

When the central air-conditioning circulating water system runs for a long time, some salt deposits, corrosive debris, and biological sludge are often produced in the system. These substances will affect the heat transfer

06/14/2020

About refrigeration compressor overload protector, we must understand these things

1. Why does the compressor produce overheat protection? The working principle and classification of the overload protector.

08/11/2020

How to choose refrigerant for high and low temperature alternating damp heat test chamber

There are many kinds of refrigeration used in the high and low temperature alternating damp heat test chamber, and different refrigerants have very different uses and application ranges. Today, we will focus on explaining the main refrigerants on the market.