Danfoss Compressor SM115-3RI

08/08/2020

The main reason for the deterioration of central air conditioning refrigeration oil

The main reason for the deterioration of central air conditioning refrigeration oil 1. The main reason for the deterioration of frozen oil 　　1, mixed with water 　　 Due to the infiltration of air into the refrigeration system, the moisture in the air is –ﰨ2䀀湠疖VǜV
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07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

08/20/2020

Precautions for the use of refrigerated trucks

Refrigerated trucks are key equipment in an important link in low-temperature cold chain logistics. Refrigerated trucks work reliably and perform stable performance during refrigerated transportation.

09/06/2020

The harm of poor quality air filter element to screw air compressor

Inferior air compressor air filters are those that are relatively rough in workmanship and have the same filtering effect. You must know that air filters are the protective umbrella for the heart of the screw air compressor (screw host). If the picture is cheap, use inferior air compressors.

08/17/2020

Precautions for key auxiliary materials for central air conditioning installation

Central air-conditioning is an air conditioner that must be installed in many places, such as companies, shopping malls, supermarkets and other places. With the rapid development of society,

08/10/2020

Four anti-corrosion methods for heat exchangers

There are four main anti-corrosion methods for heat exchangers: corrosion-resistant materials, electrochemical protection, adding corrosion inhibitors, and anti-corrosion coating methods.

09/16/2020

Transformation project of frequency converter to air compressor

1. Brief description of working principle of air compressor: 　　 The working principle is that a pair of male and female rotors (or screws) that are toothed parallel to each other rotate in the cylinder, so that the air between the rotor teeth continuously produces periodic volume changes, and the air is transported from the suction side along the rotor axis.

05/19/2023

Why is My Central AC Running but Not Blowing Air?

Air conditioners are used very frequently in summer, and the possibility of problems is very high. Air conditioner common faults are ·Blockage of the refrigeration system, the air filter, the air inlet and outlet, etc

07/07/2020

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

12/09/2021

Differences Between Smart Pressure Transmitter and Analog Pressure Transmitter

Pressure transmitter is composed of single chip microcomputer and micro displacement (differential) pressure sensitive element, which can complete multi-function detection and conversion from non electric quantity to electric quantity.