[Equest-users] Any experts on DOAS ??

[Chapin, Alex N]

Hi John,

I was able to get the simulation to run without errors by adding cooling and heating design days. I’ve attached the revised model files to this email. Sometimes in DOE-2.3 I have to add or remove design days to get errors like this to go away. I’m not really sure why, but hopefully this helps you and anyone else having this issue.

Thanks,
Alex

Alex Chapin PE, BEMP, CEM, LEED AP BD+C, O+M
Energy Engineer | Mason & Hanger
A Day & Zimmermann Company
O 804.521.7072
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From: John Aulbach [mailto:jra_sac at yahoo.com]
Sent: Wednesday, December 29, 2021 7:34 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Any experts on DOAS ??

I believe I have finally set up a DOAS system in a building I am modeling. I had a DOE-2.2 run with 4 EEMs run perfectly. I copied the file into DOE-2.3 Build 7175 and made the inputs from my last EEM fit, as I cannot compare a DOE-2.2 file in a Parametric run to a DOE-2.3 file (different HVAC system).

But the run explodes at the end. I have NO clue why it does this.

Any help, please??

John R Aulbach, PE
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