Testo Pressure Gauge 510i

06/29/2020

Several causes of compressor burning

09/07/2020

Inverter 35 Q

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

08/24/2020

What are the failures of the air conditioning refrigeration system (R410A)

1. Poor cooling effect When it is assumed that the system is blocked by welding, first check whether the system pressure and current are normal. You can use a pressure gauge to measure the suction pressure.

06/17/2022

What is A VFD?

A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor.

09/10/2020

The management method of the air compressor room of the Red Fifth Ring

1. Choose a wide and well-lit place to facilitate the space and lighting required for the operation, maintenance and repair of the air compressor.

07/23/2020

FAQs about refrigeration compressors, do you know these?

Why control the impurity content and moisture content of the compressor and air conditioning system? Impurities entering the friction surface of the moving parts in the compressor pump body will cause abnormal scratches and wear. Impurities entering the solenoid valve, expansion valve, control valve, capillary tube and stop valve in the refrigerator system will block the valve hole or make the valve close tightly. And fail.

08/20/2021

Things You Need to Know about Refrigerator Compressor Hot

A lot of people are worried about whether the compressor overheating is due to refrigerator quality problems.

08/17/2022

Permanent Magnet DC Motor: Types, Application, Selection Principle (2)

The following content is the second half of the previous article, and continues introducing the basic principles of permanent magnet brushed dc motors

08/18/2020

Reasons and precautions for supporting cooling towers of industrial chillers

Water chiller is an energy-saving machine that achieves cooling effect through vapor compression or absorption cycle. In order to improve the operating efficiency and cooling effect of industrial chillers, many companies mostly adopt external cooling towers for reconstruction.

08/08/2020

Maintenance knowledge and failure methods of small combined cold storage

1. The cold storage door is not closed tightly. Please adjust the distance between the hinge and lock on the door and the storage body.