Danfoss Compressor SM124W3CH

05/19/2022

PLC Analog Input

PLC analog inputs usually use voltage signals in the range of 20 volts and current signals in mA. Each PLC manufacturer has I / O modules to process these types of signals

08/19/2020

Common sense of safe use and maintenance of air conditioners

1. Tips for safe use of air conditioners 　　 1. It should have suitable power capacity and reliable dedicated line connection, and have a safe grounding wire.

12/16/2023

HVAC Fan Won't Turn off (Troubleshooting Guide)

Having a properly functioning HVAC system is essential for maintaining a comfortable and controlled indoor environment.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/24/2020

Normal operating conditions of the refrigeration system in operation

1. The suction temperature of the compressor should be 5-15℃ higher than the evaporation temperature and 5-10℃ higher than the brine temperature;

06/14/2020

What are the advantages and disadvantages of central air conditioning?

1. It is better to use a central air conditioner ① Split machine and multi-connection Before chatting, first understand the two basic concepts of air conditioning, split machine and multi-line. The split machine is our common common air conditioner. 器2䀀
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08/11/2020

What will happen if the thermal expansion valve is configured too large

A 10P air-conditioning unit is equipped with a 12-ton (1 cooling ton=3.517KW) expansion valve. What will happen?<br></br> 　　 If you follow the DANFOSS selection software, this configuration will not be recommended (all think this type of selection is too large)<br></br>

09/08/2020

Technical advantages of precision filters in compressed air systems

As we all know, the air contains many kinds of elements: water, rust, particulate dust and oil. These impurities will cause great loss to industrial production tools, so these impurities in the air must be removed.

10/08/2025

HVAC Compressor 101: Working Principle, Types, Function

The compressor is a critical component of any HVAC (Heating, Ventilation, and Air Conditioning) system, responsible for compressing and circulating the refrigerant that cools the air.

09/09/2020

Comparison of screw type and piston type air compressor

Friends who are often exposed to air compressors should know the basic difference between piston air compressors and screw air compressors. They have obvious differences in structure, moving parts and operating parts, as well as consumption life and performance. , The following brings you some knowledge about the difference between the piston machine and the screw machine.