Mitsubishi Servo Drive MR-J2S-10A

08/18/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

06/07/2022

What is A Solenoid Coil?

The solenoid coil generally refers to the inductive coil, which is wound on the insulating tube by the wires. The wires are insulated from each other.

06/29/2020

How to deal with compressor stuck cylinder

How to deal with compressor stuck cylinder The compressor jamming cylinder means that the shaft of the compressor is stuck, and the compressor cannot rotate at this time. The cause of the compressor jamming cylinder is either the lack of refrigeration oil, insufficient lubrication and increased friction, or the presence of dust or impurities in the pipeline, which causes the moving surface to be stuck, or the pure mechanical failure causes the compressor to be stuck.

08/21/2020

What are the advantages of using economizers for screw chillers

1. What is an economizer Economizers are often used in secondary air screw compressor refrigeration systems. Under working conditions with relatively low evaporation temperatures (below -25°C), the efficiency of ordinary single-stage screw compressors decreases,

09/20/2020

Rolling bearing technology

Rolling bearing technology Rolling bearing temperature 　<br></br>　 The main factors of bearing operating temperature:

07/31/2020

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.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/05/2020

The problem of motor inefficiency

The test standards promulgated by the International Electrotechnical Commission IEC (hereinafter referred to as IEC) make it possible to evaluate the energy efficiency of motors.

08/09/2020

Configuration method of refrigeration equipment in air conditioning warehouse

1. Refrigeration system<br></br> Most of the refrigeration equipment of air conditioning storage adopts piston-type single-stage compression refrigeration system, using ammonia or Freon-22 as the refrigerant.

04/24/2025

What is a Rotary Screw Air Compressor? Everything You Need to Know

Rotary screw air compressor (screw air compressor, screw type air compressor, rotary screw compressor), is a positive displacement air compressor