SIEMENS Module 6ES5242-1AA13

07/13/2020

Danfoss medium temperature refrigeration compressor M series

liquid 1. Liquid back: When the refrigerant returned to the compressor is not a pure gas state, but contains liquid, the influence of the liquid refrigerant on the compressor is negative. If there is too much liquid, it may even cause liquid shock, even if there is no liquid shock, it will happen. Wet compression causes oil to run away.

07/28/2020

Refrigeration common fault terms and operation precautions

Frozen blocking: also known as "ice blocking". The phenomenon in which liquid freezing substances [such as ice] hinder the flow of refrigerant in the Freon refrigeration system. Often occurs in throttling mechanisms.

08/11/2025

Cooling Towers: Operation Methods, Maintenance ＆ Usage Precautions

Cooling towers are critical equipment used in industrial and commercial areas to cool fluids. In order to ensure its effective operation, increase its lifespan and maintain safety, correct operation methods, maintenance and upkeep knowledge, and usage precautions are crucial. In this article, we will delve into these aspects.

08/17/2020

How can the chiller be more energy-saving and power-saving

With the continuous improvement of living standards, science and technology are also developing steadily. People nowadays are pursuing energy-saving, power-saving, environmental protection,

04/20/2022

What is A Level Transmitter?

Level transmitter is the extension and development of pressure transmitter technology. It realizes the accurate measurement and transmission of the volume, liquid height and weight of water

07/07/2020

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

09/14/2020

What is the difference between oil and oil-free air compressors

The oil and non-oil in the air compressor generally refer to the oil content of the exhaust gas of the air compressor. Generally, the oil content of the oil machine is larger, and the oil content of the oil-free machine is 0.01ppm,

08/19/2020

What are the characteristics of lithium bromide absorption refrigeration units in air conditioning projects

In air-conditioning engineering, most commonly used refrigeration units are vapor compression refrigeration methods, and the refrigerant used in compression refrigeration is halogenated hydrocarbons (ie Freon).

08/25/2020

For an air conditioner with a heating power of 1390W+1050W, what is the power consumption for 1 hour of heating

Time flies, the air conditioner has just been out of service for two months, and it’s time to start using it again. With air-conditioning, our biggest concern is power consumption. After all, everyone is not rich.

08/24/2020

What are the advantages of water source heat pump compared with conventional air conditioning technology

Today, let us take a look at what are the advantages of water source heat pumps compared with conventional air conditioning technology?