Category Archives: Technical Knowledge

What are FCU, AHU, PAU, RCU, MAU, FFU, and HRV in Air Conditioning Systems?

1. FCU (Fan Coil Unit) A fan coil unit (FCU) is a terminal device of...

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What is Water Chiller and How Does It Work?

In the demanding environments of various industries, the significance of a well-functioning cooling system cannot...

Chiller vs Heat Pump: Difference Between Chillers and Heat Pumps

In essence, the major difference between them boils down to the heat pump's reversing valve,...

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Understanding and Preventing Frost Formation in Compressors, Evaporators, and Condensers with Effective Defrost Strategies

Ah, the wonders of refrigeration! It’s a technology that has revolutionized how we store food,...

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Performance Differences Between Electronic Expansion Valves and Thermal Expansion Valves

Now more and more refrigeration equipment using electronic expansion valve instead of the original thermal...

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Chiller Pipe, Air Conditioning Pipe Insulation Thickness Table

Chilled water piping(≥5℃) Flexible foam rubber pipe shell (mm) Glass wool pipe shell (mm) Pipe...

What are the Operating Precautions for Combustible Refrigerants R32 and R290 ?

The world is looking for an alternative to R22 refrigerant, but there has been little...

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Metal Finishing Types And How to Choose the Right Chiller Size for Them?

Metal finishing is a process that involves treating the surface of a metal to improve...

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Case Learn: What Damages The Poor Quality Refrigeration Oil Can Cause?

In the maintenance process, it is not uncommon to see compressor wear caused by the...