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RE: [EnergyPlus_Support] Multiple HVACTemplates Per Zone Error
Matthew,
You need to use an AHU air loop for providing air to all 5 zones. It sounds as though you are already doing this and treating it as a DOAS with something like constant temperature air supply. A VAV system is not consistent with that approach, however, so I?m not sure what you are up to. E+ does not allow zone temp control from two independent sources, however. (But neither does a reasonable real-life system J.)
The fan coils are zone HVAC objects and normally provide all of the temp control.
You?ll have to figure out how to effectively make the E+ 4 pipe fan coil a 2 pipe by making heating or cooling available (but not both)
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of ntraughpee
Sent: Tuesday, August 07, 2012 6:05 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Multiple HVACTemplates Per Zone Error
Hey Everybody,
So I have a system that has central handlers feeding 5 zones, 1 basement, 2 north/south for the 1st and 2nd floor. It then has a room fancoil system that heat/cools the same zones. The fancoil system is two pipe with a switch over where we can only heat or cool at any given time.
I would like to get to the point where I can correctly model the amount of energy we are wasting in switch overs, I have done this in excel already but I would like to figure this out in E+.
In trying to put both a fan coil and a VAV air handler into a zone I received an error regarding the DSOA systems where it is trying to tell me I can't have more than one HVAC Template per system. Is this true?
Any work arounds here?
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