ABB Controller Module SDCS-FEX-2A

06/29/2020

Compression ratio of American Copeland compressor

08/10/2020

How to adjust the hydraulic balance of air conditioning system

In air conditioning water systems, hydraulic imbalance is the most common problem. Due to the hydraulic imbalance, the system flow distribution is unreasonable and the heat is unreasonable, which causes a waste of energy, or to solve this problem,

06/14/2020

Give home N95 level protection, home fresh air system, real breathing enjoyment!

Give home N95 level protection, home fresh air system, real breathing enjoyment! After the epidemic, the fresh air system once again refreshed people's understanding.

09/05/2022

Stepper Motor: Working Principle, Operating Modes & Application

Stepper motor, also known as <strong>step motor</strong>, <strong>stepping motor</strong>, converts received electric pulse signal into angular displacement or linear displacement.

01/06/2021

Ten reasons why central air conditioning is not cooling

Ten reasons why central air conditioning is not cooling Today, go to the user's home for after-sales with the after-sales master. It has been checked that the outlet and return vents of each indoor unit are normal. When opening the window of the outdoo器2䀀
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07/30/2020

How to detect inferior refrigerants What's the harm

Inferior refrigerants will affect the performance and stability of the system, and even more serious will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:<br></br

08/31/2020

Compressor energy-saving service industry is facing problems and puzzles

Because the author is doing compressor energy-saving services, I often discuss the current situation and development of the compressor energy-saving service industry with my colleagues,

08/20/2020

What is an air conditioner pressure sensor

The pressure sensor is a device that is installed on the pipeline of the outdoor unit of the air conditioner to perform pressure detection. The pressure detection result is transmitted to the computer board to control other parts of the air conditioner.

07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

09/22/2020

Compression and delivery of air compressor

The compressor can convert the mechanical energy of the motor or internal combustion engine into the pressure of compressed air. Air compressors are divided into two categories: reciprocating and rotary. The following figure shows the basic types of compressors: