Dear all

I found a question when i creat a loop for condensor water , there is a pump
requierment for this loop, after that ,there is another pump creation
reqiurement when i creat a cooling Tower ,so what's the different between
loop-pump and CHW-pump.
Here are the definition for both:
Loop-pump: Accepts a u-name of the pump attached to this loop. you should
use this keyword to attach a pump directly to a loop.
CHW-LOOP: Take the u-name of a pump directly attached to the chiller's
evaporator. Usually ,this pump will be a equipmentrecirculation pump and
will act to decouple the flow of the chiller from the loop. In this case,
the pump may have CHW-FLOW-CTRL=CONSTANT-FLOW or---

Will anyone tell me the difference ?
Many thanks

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Dang Wang, LEED AP