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Category: Chilled Water System

link to Hydronic Balancing Basics (Chilled Water System)

Hydronic Balancing Basics (Chilled Water System)

Hydronic balancing is important to the efficiency and effectiveness of chilled water system. However, many engineers find it very difficult to understand. So, I did some intensive studies. Liquid...

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link to What is Reverse Return Piping?

What is Reverse Return Piping?

Reverse return piping setup is not uncommon in both the chilled water system and hot water system. It promised to provide a balanced hydronic system. But, I'm curious to see if it is true. So, I did...

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link to What is Net Positive Suction Head? (Centrifugal Pump)

What is Net Positive Suction Head? (Centrifugal Pump)

A sufficient net positive suction head is one of the requirements of centrifugal pumps. Without it, centrifugal pumps will not move water and cavitation may occur thereby damaging the pumps. So, I...

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link to Secondary Pump Chilled Water System Explained

Secondary Pump Chilled Water System Explained

Secondary pumps are very common in the chilled water system. Chillers require primary pumps to move water through their evaporators but why do most chilled water systems have secondary pumps? I'm...

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link to 5 Types of Chillers in HVAC (Capacity & Efficiency)

5 Types of Chillers in HVAC (Capacity & Efficiency)

Chillers are one of the most important components in HVAC. They are the heart of the HVAC chilled water system. There are many types of chillers in HVAC and thus, what are the most common types of...

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link to What is a Chilled Water Fan Coil Unit?

What is a Chilled Water Fan Coil Unit?

A chilled water fan coil unit is one of the two kinds of fan coil units. It comes in different forms and types. So, many junior engineers are trying to understand chilled water fan coil units. Hence,...

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Hi, my name is Yu Chang Zhen. I've been working as a professional in the HVAC industry for more than 7 years, covering from design and installation to commissioning and maintenance. With my experience, I want to help people solve their HVAC problems. Welcome, I hope you can find your solutions here.

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