Danfoss Compressor SH420B9AAT

08/07/2020

Use and selection of water pumps for HVAC systems

1. Chilled water pump:<br></br> 　　In the chilled water loop, a device that drives water to circulate. The end of the air-conditioned room (such as fan coil, air handling unit, etc.)

06/29/2020

What is the cause of compressor pipeline vibration

08/13/2020

Is the filter of the central air-conditioning air purification device as many as possible

Many people will ask: Is the filter screen of the central air-conditioning air purification device as many layers as possible? the answer is negative. The filter of the central air conditioner air purifier is not based on the number of layers, but on the Pﰨ2䀀湠癐V

08/19/2020

What are the classifications of air conditioning refrigerants

The refrigerants widely used in compression refrigerants are ammonia, freons and hydrocarbons.<br></br> 　　 According to chemical composition, refrigerants can be divided into five categories: inorganic compound refrigerants,

06/21/2020

Which is better, semiconductor refrigeration and compressor refrigeration

Which is better, semiconductor refrigeration and compressor refrigeration <img src="{{media url=&quot;o4YBAF3LcwuAC1ILAAEzxLDPcHA979.jpg&quot;}}" alt="" />Semiconductor refrigeration 　　Semiconductor refrigerator refers to a device that uses the thermo-electric effect of semiconductor to produce cooling capacity, also known as thermoelectric refrigerator. Connect two different metals with conductors, and connect direct current, then the temperature at one contact will decrease and the temperature at the other contact will increase.

12/19/2024

Mitsubishi Servo Drive Fault Codes and Troubleshooting Methods

Mitsubishi servo system consists of servo motor, controller, and servo drive (also called servo amplifier), mainly including MR-J2S series, MR-J series, MR-H series, MR-C series, MR-J2 series, MR-J2S series, MR-E series, MR-J3 series, MR-ES series, MR-JE series, MR-J4 series, etc.

08/05/2020

The air source heat pump fan is attached to the air conditioner to assist in the cooling and heating function

In the process of accelerating the promotion and implementation of the "coal-to-electricity" project for heating in northern rural areas, as an upgraded form of ordinary heating and cooling air conditioners

09/08/2020

Common components of compressed air system

As the most environmentally friendly power source for industrial production, compressed air has been widely used in various industries such as medicine, food, machinery, electronics, plastics, textiles, electric power, building materials, metallurgy, and spraying.

08/21/2020

How to solve the air conditioner failure

Recently, the temperature has been rising, and car owners often go to 4S shops to check the car air conditioner. Part of it is to check the odor of the air conditioner, and the other is to check whether the air conditioner is cool.

01/31/2023

What is a Gear Reducer?

The gear reducer is an independent enclosed transmission gear between the prime mover and the machine, which is used to reduce the speed and increase the torque to meet the work needs.