Danfoss Compressor SH475B6ABT

08/21/2020

Common problems and solutions of industrial chillers summarized by the maintenance master

1. Water leakage (first determine the location of the water leakage) 　　 1. The pump leaks (causes: the shaft seal at the water pump is not well connected or the shaft seal has been damaged)

08/21/2020

Water tower maintenance tips for industrial chillers

Because of the convenient installation and high work efficiency, the stainless steel water tower is more and more popular and has become the main tool for construction sites and residential buildings.

08/21/2020

Common problems and solutions for ice making machines

1. Common problems and solutions of ice maker 　　 1. The compressor is working but not cooling. 　　 Reason: The refrigerant leaks or the two-way solenoid valve is damaged and it is not closed tightly.

12/27/2022

How do Programmable Logic Controllers Work?

When a programmable logic controller (PLC) is put into operation, its working process is generally divided into three steps, namely input scan, executing program(s), and output scan.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/09/2020

Do you know the selection criteria of electronic valves for cold storage systems

In the cold storage refrigeration system, the selection of components must strictly abide by the four basic principles of safety, reliability, applicability and economy.

06/14/2020

Working principle of inverter compressor

     The principle of inverter compressor inverter controller is to convert the alternating current in the power grid into a square wave pulse output. By adjusting the frequency of the square wave pulse (that is, adjusting the duty cycle), the speed of thﰸ2䀀
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06/30/2020

How to prevent fire and explosion of compressors with lubricant

How to prevent fire and explosion of compressors with lubricant Cars driving at high speeds on the roads are extremely dangerous in the event of an accident. In severe cases, they will cause the car to explode. Why? It is precisely because the car contains gasoline. After violent collision and friction, the gasoline will ignite and detonate.

09/06/2023

What is an Inverter Heat Pump: Understanding the Technology and Benefits

An inverter heat pump is a type of HVAC system that uses advanced technology to provide efficient heating and cooling for residential and commercial spaces. Unlike traditional HVAC systems, which operate at a fixed speed, inverter heat pumps can vary their output to match the exact requirements of your space.

07/28/2020

Common faults and solutions of screw chillers

Low voltage overrun protection:<br></br> Solution: Replace or clean the filter element; clean the suction port filter.<br></br> Dirty or ice blockage at the inlet of the expansion valve:<br></br> Solution: Dirty blockage: remove the expansion valve and clean it. Ice blockage: replace the filter drier and run again