Hydronic Balancing Part 11: Variable Flow Pumping

Hydronic Balancing Part 11: Variable Flow Pumping

Throughout our Hydronic Balancing Series, we’ve been slowly and meticulously making our way to the more complex control systems that we see today.  We walked you through the steps of proportionate balancing a simple 3-zone system and taught you how to trim an impeller in accordance with ASHRAE 90.1.  Today, we’re going to see what happens when we add variable speed drives to the system. 

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Introducing the NEW JMP Study Hall!

Introducing the NEW JMP Study Hall!

Happy New Year and welcome to the newly launched JMP Study Hall!

In the spirit of the New Year, we are excited to unveil the brand new look--and name--of our blog.  We hope that you’ll find this new design much easier to navigate and will appreciate the direct access it gives to all our channels for HVAC education. 

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Hydronic Balancing Part 10: Proportionate Balancing with Flow Limiter

Hydronic Balancing Part 10: Proportionate Balancing with Flow Limiter

If you’ve read Parts 1 thru 9 in this Hydronic Balancing Series then you should have a solid understanding of the fundamentals of balancing.  If not – go back and review the previous blogs.  You need these fundamentals to understand what we will discuss here in Part 10, which is...

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Hydronic Balancing Part 8: Read & Set Proportional Balance Method

Hydronic Balancing Part 8:  Read & Set Proportional Balance Method

The task of proportional balancing is the first step to achieving an energy efficient pumping system.  It involves adjusting the system balancing valves to make certain that all zones get proportionate flow under design conditions.  Once this task is complete, it gives us the opportunity to trim the fat out of the system for greater efficiency... 

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