NORGREN Filter 5576-01

06/29/2020

Compression ratio of American Copeland compressor

09/16/2020

The development of screw air compressor

Since the advent of screw compressors in 1934, after decades of technological improvement, screw compressors have been widely used, especially in refrigeration.

11/25/2024

Troubleshooting a Split AC Not Cooling But Fan is Running (12 Possible Reasons)

A split air conditioner, known for its efficiency and comfort, can be a savior during the scorching summer months.

06/20/2025

Advantages of VFD for HVAC System

One of the most successful energy management tools ever used in HVAC (Heating, Ventilating and Air Conditioning) systems of buildings is the Variable Frequency Drive (VFD).

06/20/2020

Scroll compressor structure diagram_Scroll compressor advantages and disadvantages

Scroll compressor structure diagram <img src="{{media url=&quot;Scroll_compressor_structure_diagram_Scroll_compressor_advantages_and_disadvantages.jpg&quot;}}" alt="" /> 　　 Scroll compressor is a positive displacement compression compressor, the compression component is composed of moving scroll and static scroll. Its working principle is to use the relative orbital motion of the movable and static scrolls to form a continuous change in the enclosed volume, so as to achieve the purpose of compressing gas. Mainly used in air conditioning, refrigeration, general gas compression, and used in automobile engine supercharger and vacuum pump, etc., it can replace traditional medium and small reciprocating compressors in a large range. <img src="{{media url=&quot;Scroll_compressor_structure_diagram_Scroll_compressor_advantages_and_disadvantages2.jpg&quot;}}" alt="" />

09/07/2020

Air compressor alarm mechanism, how much do you know

As a mechanical equipment for manufacturing compressed air, air compressors are inevitable due to long-term operation. If the air compressor fails, it will affect the production of the user enterprise and cause losses.

08/21/2020

Is the refrigerant gas or liquid

Regarding whether the refrigerant is charged with gas or liquid, many masters must have known it for a long time. I often see people asking about this refrigerant when charging, whether it is gas or liquid? Here is a summary. For your reference.

08/11/2020

Installation conditions and precautions of refrigeration compressors

The selection of the installation site is most ignored by the staff. Often after the compressor is purchased, you can find a location and use it immediately after piping. There is no prior planning at all.

08/05/2020

20 years of HVAC master conscientious summary, radiator installation these 4 points are very important, novices should keep in mind!

It is wise to install radiators in the spring season to avoid rushing when the severe cold comes. What are the precautions for installing the radiator?

08/09/2020

Use air conditioning in winter to save electricity

Use air conditioning in winter to save electricity<br></br> Do not turn on the electric auxiliary heating function<br></br> 　　Many air conditioners have electric auxiliary heating function, so how useful is this function and does it cost electricity?