Omron Switch D5B-8511

09/08/2020

How to classify air compressors

According to the compression method: Screw air compressor (screw air compressor), piston air compressor (piston air compressor, reciprocating air compressor), sliding vane air compressor (sliding vane air compressor), centrifugal air compressor ( Centrifugal air compressor)

09/11/2020

Noise analysis and treatment of air compressor

Noise analysis and treatment of air compressor A compressor manufacturer's statement: The noise level guarantee is +3dBA, which means that its noise level will be twice or one half of the declared noise level.

01/11/2021

Mitsubishi air conditioning repair case sharing

Mitsubishi air conditioning repair case sharing Mitsubishi air conditioner maintenance case sharing Failure phenomenon: Mitsubishi MSH-J12NV split type air conditioner does not rotate the indoor fan after starting, and the rest work normally. Ana器2䀀
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09/01/2021

What is VFD?

A VFD (Variable-frequency Drive, frequency converter) is a power control device that uses frequency conversion technology

08/20/2020

Operation guide after the refrigeration compressor burned out

The refrigeration compressor is burned, and the residual refrigerating oil has been carbonized, acid-containing, and dirty in the pipe; and after the compressor is removed, the original system pipe must be corroded with the air,

09/21/2020

Application of industrial wireless remote control in industrial driving

Industrial wireless remote control technology mainly uses wireless transmitters to transmit human operation instructions to a remote receiving system through digital encoding and encryption. The receiving system restores the control instructions after decoding and conversion, and realizes the control of various mechanical equipment. Control;

08/07/2020

What are the central air conditioning performance that users care about

For any brand of central air-conditioning equipment, as a user, there are actually three points:

08/20/2020

How much is the temperature of the industrial chiller to prevent condensation

Condensation water in the industry is mainly caused by the large temperature difference between the ambient temperature and the cooling water temperature of the chiller.

06/29/2020

How the compressor works

06/21/2020

Common system failures of refrigeration equipment

Common system failures of refrigeration equipment 1. Liquid return: For refrigeration systems using expansion valves, liquid return is closely related to the selection and use of expansion valves. Expansion valve selection is too large, the superheat setting is too small, the installation method of the temperature sensor is incorrect, the insulation bandage is damaged, and the expansion valve failure may cause liquid return.<img src="{{media url=&quot;Common_system_failures_of_refrigeration_equipment2.png&quot;}}" alt="" />