Ebmpapst Fan R2E220-AA40-A5 without capacitance

06/14/2020

Rotor compressor

The rotor compressor is driven by the engine or the motor (mostly driven by the motor), and the other rotor (also known as the female rotor or the concave rotor) is driven by the oil film formed by the main rotor through oil injection, or by the main roto器2䀀
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08/02/2020

I have to know these 10 questions about turning on air-conditioning for heating in winter!

In the cold winter, for many southern friends, the air conditioner is indeed one of the greatest inventions in history

09/09/2020

Features of variable frequency screw air compressor

Motor: 　　Special low-speed compressor motor, SKF bearings, insulation class F, protection class IP54, to ensure trouble-free operation. The efficiency is 3-5% higher than similar products.

08/08/2020

How much do you know about freezing oil

Although the refrigerating oil is only a small material, if you accidentally use inferior products, you can even burn the machine. I believe that many colleagues have often encountered it.

06/29/2020

What is the cause of compressor pipeline vibration

07/14/2020

How to solve the low-pressure fault during the operation of the chiller?

How to solve the low-pressure fault during the operation of the chiller? The chiller belongs to industrial machinery and equipment.

10/16/2020

How to distinguish true and false Copeland compressors

Every year in the refrigeration peak season, there are always some non-original Copeland compressors from OEM or refurbished companies appearing on the market. Due to the current many models of Copeland compressors, the market is relatively chaotic, which will affect purchases.

08/05/2020

Problems of evaporator defrosting and improvement methods

Although the evaporator is very useful, the evaporator defrosting electric heating tube burned out and the water collecting tray heating chamber burned out successively during use. So I will introduce the problems of the evaporator equipment and analyze the problems.

04/29/2022

What is A Contactor?

Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC). They are used in power, power distribution and electric field combination.

08/11/2020

How to choose refrigerant for high and low temperature alternating damp heat test chamber

There are many kinds of refrigeration used in the high and low temperature alternating damp heat test chamber, and different refrigerants have very different uses and application ranges. Today, we will focus on explaining the main refrigerants on the market.