Danfoss Compressor SH485A4AKI

11/15/2024

Understand VFD Better by Wiring the Main Circuit and Control Circuit

1.1 Open the cover by squeezing the grooves on both sides of the VFD(variable frequency drive), remove the wire baffle, connect the terminals R, S, T to the power, connect the terminals U, V, W to the motor, and connect the earth wire at the ground symbol.

08/02/2020

Treatment method after load damage of screw chiller

First of all, we must confirm whether the compressor load has been burned or the components have been worn away. If so, the refrigerant system will inevitably be contaminated. For example, residual refrigerant oil remains in the pipeline after carbonization

03/24/2022

What is a Circuit Breaker?

In the process of circuit installation, a lot of facilities need to be configured. A circuit breaker is one of them. What is a circuit breaker? Let's learn about it together.

09/05/2020

The pipeline is not working well, and the compressor is exhausted

Many users have invested a lot of energy and money in the selection, operation and maintenance of compressor equipment, but due to negligence on the compressed air pipeline, a lot of waste has been caused.

09/10/2020

About the role of screw air compressor inverse proportional valve

The inverse ratio valve is used in conjunction with the disc air intake control. When the system pressure increases due to the decrease in air consumption and reaches the set pressure of the inverse ratio valve, the inverse ratio valve acts and reduces the control air output.

09/02/2022

The Working Principle of the Vacuum Contactor

The vacuum contactor uses the vacuum interrupter to extinguish the arc to frequently connect and cut off the normal working current.

08/20/2020

Air-conditioning installation also charges aerial work fees. Have you paid for it

event: Citizen Ms. Liu bought an air conditioner of a certain brand online, and someone came to install it the next day after signing for it, but was asked for a "high-altitude fee" of 50 yuan. Ms. Liu felt very uncomfortable because "the fee was not mentioned at the beginning" .

08/17/2020

Installation process of ground source heat pump heat exchanger

If the machine works for a long time, it will get hot, because once the machine works, it will do work, and the work will naturally generate a lot of heat. If this heat is not released in time, it is likely to damage the machine.

08/19/2020

Causes and solutions for phase failure of industrial refrigerators

Industrial refrigerators display reverse phase loss failure, which is a common failure of abnormal power supply. The reason for this failure is simple, and it is very convenient to repair, as long as a person with a little electrician basis can solve it easily!

06/29/2020

How the compressor works