Danfoss Compressor MTZ28JE4LVE

08/09/2020

How to debug the small cold storage during installation

1. Installation technology of expansion valve for small cold storage 　　 1. Check whether the temperature sensor is in good condition before installation; 　　2. The installation position of the expansion valve must be close to the evaporator, and the valve body should be installed vertically, not inclined or upside down;

07/07/2020

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

12/21/2023

AC Fan Won't Turn off (Troubleshooting Guide)

The air conditioning system can be a true lifesaver during sweltering summers and chilling winters, providing comfort and respite from extreme temperatures.

08/11/2021

How to Tell if Your Refrigerator Compressor is Bad

The refrigerator malfunction may be caused by the refrigeration system or the electrical system. When judging the compressor fault

07/22/2022

How to Prime a Water Pump

Water pumps will run out of pressure and stop working if turned off for an extended period of time, such as over the winter.

09/08/2020

Uses of compressed air in various industries

As the second largest power source after electricity, compressed air has a wide range of applications. Compressed air is widely used in industries such as electricity, spraying, food, metallurgy, petrochemical, automobiles, shipbuilding, precision electronics, chemicals and printing.

08/11/2020

Treatment method of ammonia refrigerant in refrigeration equipment

When low-pressure equipment needs to be overhauled, it is necessary to cut off the connection between the equipment and the refrigeration system, select a channel, use the refrigeration compressor to suck up the ammonia in the equipment,

04/29/2025

Difference between AC, DC and EC Fans

AC fans, DC fans and EC fans are classified according to their power supply type and motor type respectively. They differ in drive method, performance and application range.

09/11/2020

Ways to reduce bearing noise

Ways to reduce bearing noise (1) Method of using chemical additives Adding certain chemical additives to the bearing lubricant can reduce bearing noise. For example, a low-noise grease containing noise-reducing additives produced by a factory in Tianjin can reduce bearing noise by 3.9-9.2dB from the original basis. , Suitable for use in miniature or small bearings.

11/11/2022

What is an Industrial Fan?

Industrial fans, which can efficiently push a large amount of air and generate super-large air volume. This creates a circulating airflow field in the space.