Danfoss Compressor SH301B4ACG

07/17/2020

Five items to pay attention to when using Copeland compressors

Copeland compressors are strictly forbidden to perform pressure test under oxygen, and for nitrogen without safety valve! Improper use will cause an explosion and cause casualties. Some users have already experienced this situation. I hope that all dealers promptly remind the installation personnel and use it as a warning. They must follow the operation process.

09/11/2020

Bearing according to the number of rows of rolling elements

According to the number of rows of rolling elements, bearings are divided into:<br></br> 1. Single row bearing: bearing with one row of rolling elements;<br></br> 2. Double row bearings: bearings with two rows of rolling elements;<br></br> 3. Multi-row bearings: bearings with more than two rows of rolling elements and bearing loads in the same direction.<br></br>

02/13/2025

Advantages and disadvantages of screw refrigeration compressors

Screw refrigeration compressor is a rotary positive displacement compressor. It uses the change of the cogging volume and position of the screw to complete the process of vapor suction, compression and exhaust. Oil-free screw compressors came out in the 1930s, mainly used to compress air. Later, the oil-injected screw compressor appeared in the cylinder,

08/17/2023

Exploring the Pros and Cons of Portable Heat Pumps for Efficient Home Heating and Cooling

Portable heat pumps are becoming an increasingly popular option for homeowners who want to efficiently heat and cool their homes without the need for ductwork.

07/07/2020

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

01/14/2025

Refrigerator PTC Relay Wiring Method

The PTC (positive temperature coefficient) relay is directly connected in series with the secondary winding (start winding).

10/13/2023

Samsung Refrigerator Ice Maker Not Working: Common Causes and Solutions

If you own a Samsung refrigerator, you may rely on its ice maker to provide you with a steady supply of ice cubes. However, like any other appliance, the ice maker in your Samsung refrigerator can sometimes experience issues that prevent it from producing ice.

07/29/2020

Refrigerant filling

After the leak test of the refrigeration system is completed, it should be filled with refrigerant. However, the Freon refrigeration system must be vacuum dried before being filled with refrigerant. When the drying is not complete, the refrigerant cannot be filled.

09/13/2022

Differences between a Sensor and an Actuator

A sensor is a detection device that can sense the measured information, and can transform the sensed information into electrical signals or other required forms of information output according to certain rules to meet the requirements of information transmission

06/14/2020

EM compressor explosion diagram

EM compressor explosion diagram