EAO Switch 41-463.036

08/17/2020

Features of screw and centrifugal chillers

The chiller is a kind of water-cooled equipment as its name implies, but it is a mechanized equipment that can provide constant temperature, constant pressure and constant current.

07/23/2020

R410a and R22 refrigerant comparison application and installation specifications

1.Introduction to the properties of R410a refrigerant<br></br> 1. R410a is a HFCs refrigerant mixed with two working fluids of R32 and R125 at a mass fraction of 50% and 50%. It is a near-azeotropic mixture (pseudo-azeotrope), and its thermal performance is close to a single working fluid.

08/14/2020

The correct way to open the refrigerated truck for summer maintenance

With the advent of summer, the maintenance of refrigerated trucks is becoming more and more important. In order to prevent the high temperature in summer from damaging the surface of the refrigerated truck,

06/14/2020

Notes on abnormal shutdown of refrigeration compressor

Notes on abnormal shutdown of refrigeration compressor Abnormal shutdown is generally an accident shutdown, mainly in the following situations. 1) Sudden power failure and shutdown. If the refrigeration compressor is suddenly powered off, you shou器2䀀
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06/29/2020

Compression ratio of American Copeland compressor

12/22/2022

How to Maintain Optical Fiber Amplifiers?

An optical fiber amplifier (OFA) can not only directly amplify optical signals, but also have the advantages of real-time, high gain, online, low noise and low loss.

08/04/2020

Several important issues that should be paid attention to when installing and debugging the inverter on site

nverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

08/13/2020

Symptoms and causes of car air conditioner compressor not working and blower not working

Fault description When the air-conditioning refrigeration switch is turned on, the compressor does not turn, but after turning on the blower switch, the blower can run<

07/11/2020

Screw compressor principle and structure

Screw compressor principle and structure content Screw compressor characteristics Screw compression principle DXS compressor structure Application of DXS compressor in YCWS unit Screw compressor characteristics

07/20/2020

Air conditioning sensor principle and application

The temperature sensor used in air conditioning mainly uses a negative temperature coefficient thermistor (also known as NTC thermistor). The temperature sensor is made of manganese, cobalt, nickel, copper and other metal oxides as the main materials,