Wide Plus Digital Display Controller WP-MD814-71-23-HL

08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

06/22/2020

The principle of air-conditioning compressor

Abstract: The air-conditioning compressor plays the role of compressing and driving the refrigerant in the air-conditioning refrigerant circuit. Air-conditioning compressors are generally installed in outdoor units. What is the principle of air-conditioning compressor? What is the reason why the air conditioner compressor does not start? How to replace the air conditioner compressor? The compressor is the heart of the refrigeration system of the air conditioner. The refrigerant circulation or flow in the system is achieved by the operation of the compressor. Once the compressor stops, cooling is over. The compressor compresses the refrigerant as<img src="{{media url=&quot;magefan_blog/The_principle_of_air-conditioning_compressor.jpg&quot;}}" alt="" />

10/21/2025

List of Problems and Solutions for Screw Compressors

Screw compressor is another type of commonly used compressor. We’ve listed the following 11 problems and solutions for reference of anyone or business in need.

03/08/2021

AC servo driver wiring precautions

For signal line and encoder input line, please use shielded wire. Wiring length: the length of signal line from NC to AC servo driver is less than 3m, and the length of input line from AC driver to encoder is less than 20m. The ground wire should be thick wire as far as possible. According to the third grounding standard (grounding resistance < 100 Ω), one point grounding method should be adopted to connect the ground wire. If the motor and the machine tool are insulated, the motor should be grounded.

09/04/2020

How often is the physical examination of special equipment Here are 21 questions to help you solve your doubts

What is special equipment? 　　Special equipment is a general term for equipment and facilities that are life-safe and dangerous.

07/18/2020

Working condition and adjustment of refrigeration system of low temperature chiller

Low-temperature chiller refrigeration system operating conditions and adjustments Nowadays, chillers are widely used in the refrigeration industry, and the refrigeration working fluid is usually R22 (also R404a) and so on. In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor

07/12/2020

"Fire Eyes Gold Eyes" Training Guide: Genuine Danfoss Compressor

The current Danfoss compressor nameplate?

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

08/26/2020

Knowledge summary of air compressor lubricants

Air engine oil is what we usually call air compressor lubricating oil. Next, we mainly introduce the relevant knowledge of air compressor oil.