Chint Relay JSZ3F 3min AC220V

09/04/2025

AC Compressor Bearing - Working Principle & Troubleshooting

Bearings play an irreplaceable role in mechanical design. They involve very wide applications.

06/25/2020

Compression refrigerator

A refrigerator that relies on a compressor to increase the pressure of a refrigerant to achieve a refrigeration cycle. Compression refrigerator is composed of compressor, condenser (condenser), refrigeration heat exchanger (evaporator), expander or throttle mechanism and some auxiliary equipment. The compressor is its core equipment.

09/09/2020

Installation method to ensure that the air compressor does not leak oil

1. Install the gasket correctly: The gasket between the parts of the air compressor functions as a leak-proof seal. If the material, production quality and installation do not meet the technical specifications, it may cause oil leakage.

10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

07/22/2025

Mitsubishi air conditioner E1, E2, E3, E4, E5, E6 and other faults, how to troubleshoot and repair?

Whether there is a fault in the indoor and outdoor units can be known by the access code of the remote control, the content of the green LED

06/24/2020

What to do if Haier refrigerator doesn't cool

In the process of using home appliances, there will be some situations. I believe many people have encountered that the refrigerator at home is not cooling. What will you do when you encounter this situation? Let’s take a look at Haier with the editor. What to do if the refrigerator is not cooling, for your reference.

01/13/2021

Refrigerator compressor is hot and not cooling

Refrigerator compressor is hot and not cooling The structure of household refrigerator products is not complicated, generally composed of compressor, condenser, filter drier, capillary tube, evaporator and other important components connected into a loop器2䀀
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07/07/2020

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

08/11/2020

Let's take a look at how important the power control of industrial chillers is!

Industrial chillers are used in plastics, electronics, chemicals, electroplating, food preservation, textiles, printing, medicine, construction, machinery supporting equipment and other industries.

07/14/2020

Key factors for energy saving of screw air compressor

Key factors for energy saving of screw air compressor The rotor profile of the screw air compressor has a certain impact on energy saving. Before 2000, the screw air compressor was still in the growth period, and reliability was the main problem. At that time, the rotor profile development of screw air compressors made reliability the main goal.