Common issues here are
1 the OA controller’s actuated node needs
to be moved outboard of the heat recovery device.
2 zone exhaust fans will removing their
volume flow from the return air.
From:
Sent: Monday, December 07, 2009
11:22 AM
To:
Subject: [EnergyPlus_Support] No
Outside Air!
Hi there!
I've constructed (read "mashed together various IDFs") a model with
central AHU and Zone Fancoils. Everything appears to be connected together but
there is something wrong with my Main AirLoop. Instead of 100% OA permanently,
there appears to be no flow through the relief node and equal flows through the
return and OA inlet nodes on the OA mixer. The building must be blowing up like
a balloon!
I'm using heat recovery. Are there any common things that can go wrong? I've
checked through as much as I can understand.
If anybody else has corrected an error like this, I'd be grateful to hear how.
Many thanks, in advance, from Blighty
Chris
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