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[EnergyPlus_Support] Pumps working in parallel?

Hi everybody,
   
  I need to simulate a system with 3 pumps working in parallel and one of them in standby, but my chiller is in fact a purchased chiller. To do so I imagine I need to set an supply inlet branch with a pipe only as a component and connect it to a splitter. From this splitter to the mixer I have 3 branches with the 3 pumps in parallel + 1 with a pump in standby. From the mixer to the supply outlet node I have the purchased chiller. I know I can only have one pair of splitter/mixer per subloop so I suppose I need to use them to put the pumps in parallel. However, I cannot set a bypass branch for my purchased chiller because of that, so I'm not sure if this is going to work. 
   
  Another possibility would be to transform the 3 pumps into an equivalent pump, ignore the standby one and build up a normal supply plant loop. But of course this would not allow me the same flexibilities to work with pumps specifications.
   
  Can anybody give me a hand on that please? I assume somebody has already faced this kind of trouble in the past.
   
  I thank you very much for your help 
   
  Best regards,
   
  Clarice
   
   
   

		
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