What is function of primary & secondary pumps in chilled water system what’s primary secondary pump

About this video in learn water cooled chiller What is Primary-Secondary Pumping Understanding very useful information new technician you must watch this video full video watching open this link • What is function of pr...
What is the function of primary and secondary pumps in chilled water system?
The primary loop uses a constant speed pump to circulate the working fluid (water). The secondary loop uses a variable speed pump to manipulate the flow of the fluid such that the cooling coil demand is satisfied
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