Ewelly Digital Display Controller EW-H201A-1

07/07/2020

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

08/11/2020

Precautions for compound evaporative cooling system in air conditioner

The composite evaporative cooling system is a composite system that organically combines the evaporative cooling device and the compression refrigeration and air conditioning system, and is

06/14/2020

The omni-directional strategy-fault and maintenance of piston refrigeration compressor

The omni-directional strategy-fault and maintenance of piston refrigeration compressor 1. The refrigeration compressor cannot start normally   Maintenance ideas

08/02/2020

The air conditioner compressor does not start, it may be its problem-capacitor

The main functions of capacitors (capacitors for short) in the electronic circuit of air conditioners are filtering, delay, boosting, energy storage, bypass, decoupling, etc., and can also be used to start the compressor.

07/05/2020

What sparks can be produced by the combined use of electronic expansion valve and compressor

What sparks can be produced by the combined use of electronic expansion valve and compressor Electronic expansion valve and compressor are indispensable refrigeration accessories in refrigeration equipment and refrigeration equipment, and they are used together with high efficiency.

08/20/2020

Don’t panic when the refrigeration compressor stops suddenly

What should be paid attention to when the refrigeration compressor stops abnormally? Some friends may not understand well, let's take a look at the editor of okmarts.com today!

03/31/2022

6 Common Linear Guideway Materials?

From the perspective of appearance, the linear guideway is a long strip-shaped metal shell, which is true in itself. The basic material of the linear guideway is profile.

07/16/2020

Why should the high and low temperature test chamber be debugged and calibrated?

In order for the high and low temperature test chamber to exert its maximum efficiency and stability in the hands of customers, the most important thing is to debug and calibrate the factory during the 15-day forward behavior period. The following are the three methods for calibrating the high and low temperature test chamber and their The advantages and disadvantages of

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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06/14/2020

Ten causes of air-conditioning compressor burnout

Ten causes of air-conditioning compressor burnout 1. The air conditioner compressor starts frequently