Advantech PLC PEC-3710

06/14/2020

Note! Seven mistakes in the maintenance of refrigeration equipment

Many refrigeration maintenance masters, seeing the internal leakage of the refrigerator, will directly add the condenser net without pressure, and it will not leak again for a long time. It turns out that it is the evaporator of the refrigerator compartme器2䀀
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09/03/2020

Advantages of frequency conversion energy saving transformation of air compressor

1. Compared with the compressor controlled by the energy-saving frequency converter, energy saving is the most practical. The industrial control of the compressor supplied according to the air volume demand is an economical operating condition.

07/29/2020

Types of refrigeration and air conditioning piping and calculation formula for wall thickness

Types of refrigeration and air conditioning piping<br></br> The types of refrigeration and air-conditioning piping are classified into the first, second, and third types according to the highest operating pressure (design pressure).

09/04/2020

Scientific selection of air compressor oil

Scientific selection of air compressor oil 　　 1. How is air compressor oil classified? 　　Answer: Air compressor oil is divided into reciprocating air compressor oil and rotary air compressor oil according to the structure of the compressor, each of which has three levels of light, medium and heavy load.

07/19/2024

Gas Solenoid Valves: Common Faults and Troubleshooting Methods

The gas solenoid valve is an important device used to control the flow of gas. It is widely used in household gas stoves, gas water heaters, wall mounted boilers and other equipment.

08/24/2020

Revealed Six Secrets of Low-priced Central Air Conditioning Thermostats

According to reports, with the upgrading of central air conditioners in large and medium-sized buildings in China and the rapid growth of household central air conditioners, the market "cake" of central air conditioners is attracting more and more attention.

07/20/2020

Six aspects of repair and maintenance of refrigeration compressors in cold storage

A. During the initial operation of the cold storage unit, carefully observe the oil return of the compressor and keep it clean. If you find that the oil level is not clean enough or if the oil level drops, you should add oil or replace it with new oil in time. This can avoid poor lubrication

01/09/2021

Be sure to understand these before installing a new fan

The most troublesome thing: the new fan requires indoor and outdoor air exchange, which requires opening holes on the wall or glass. The diameter of the holes in the market is basically concentrated on 150mm\120mm\110mm\100mm.

08/12/2020

After reading this article, completely get rid of the phenomenon of centrifugal refrigeration compressor surge

Centrifugal refrigeration compressor is a speed compressor, which is a kind of impeller rotating machinery. It relies on the high-speed rotating impeller to do work on the gas to increase the gas pressure.

06/29/2020

How the compressor works