[Equest-users] Terminal not sized error

Tue Aug 29 10:17:54 PDT 2023

Pramod,

When I’ve seen this error, I believe it was due a space not having any net cooling or heating load during the LOADS routine, so the terminal unit serving the space cannot be sized.  I’d recommend checking your LS-A and LS-B reports for the space in question.

Michael Weller
Associate
Energy Modeling Lead

GLUMAC engineers for a sustainable future™
A Tetra Tech Company

17885 Von Karman Ave, Suite 500
Irvine, CA 92614

Direct:   949.383.4941
Email:    mweller at glumac.com<mailto:mweller at glumac.com>

From: Equest-users <equest-users-bounces at lists.onebuilding.org> On Behalf Of Bishop, Bill via Equest-users
Sent: Tuesday, August 29, 2023 9:02 AM
To: Pramod .D <d.pramod at setty.com>; Seaman, Ethan <eseaman at smma.com>; PKConsulting via Equest-users <equest-users at lists.onebuilding.org>
Subject: Re: [Equest-users] Terminal not sized error

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Pramod,
The only thing you changed is the weather file? Are you also using design days?
Thanks,
~Bill

William Bishop, PE, BEMP, BEAP, CEM, LEED AP | Pathfinder Engineers & Architects LLP
Energy Group Manager
[Logo, company nameDescription automatically generated]      T: (585) 698-1956                  www.pathfinder-ea.com<http://www.pathfinder-ea.com>
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Buffalo Office: 100 Corporate Parkway, Suite 116, Amherst, NY 14226

From: Equest-users <equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>> On Behalf Of Pramod .D via Equest-users
Sent: Tuesday, August 29, 2023 12:34 AM
To: Seaman, Ethan <eseaman at smma.com<mailto:eseaman at smma.com>>; PKConsulting via Equest-users <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>>
Subject: Re: [Equest-users] Terminal not sized error

Ethan,   Thanks for your reply. The weather file was causing the issue. I changed it and it is working now. Appreciate your help.   Thanks, Pramod   From: Seaman, Ethan Sent: Monday, A
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sophospsmartbannerend
Ethan,

Thanks for your reply. The weather file was causing the issue. I changed it and it is working now. Appreciate your help.

Thanks,
Pramod

From: Seaman, Ethan <eseaman at smma.com<mailto:eseaman at smma.com>>
Sent: Monday, August 28, 2023 7:53 PM
To: Pramod .D <d.pramod at setty.com<mailto:d.pramod at setty.com>>; PKConsulting via Equest-users <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>>
Subject: RE: Terminal not sized error

Without looking at your model it is hard to tell, but this error sounds distantly familiar; I think if you are missing airflow sizing info in your thermal zone.

_______________________________________________
Ethan Seaman
Sustainable Design Analyst
SMMA
t: 617.520.9288
www.smma.com<https://us-east-2.protection.sophos.com?d=smma.com&u=aHR0cDovL3d3dy5zbW1hLmNvbQ==&i=NWZjNTI0OTJkYjA1OTYwZGY1NmNjOGVj&t=VVJ6bjdZcVNEOTd3Tm4zd1d6TjJhbFNTeE1wTkpRNFpuVU5SNkcvRU5oRT0=&h=bc2f14ed24c9427c91f89332ff2cddbf&s=AVNPUEhUT0NFTkNSWVBUSVaABQu4VeDzY-e9mKaryyriU8q7hezF8Oyn75MLo7t4Tr2MkfRWI7oFjCSs3eWou34>

From: Equest-users <equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>> On Behalf Of Pramod .D via Equest-users
Sent: Friday, August 25, 2023 12:19 PM
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Subject: [Equest-users] Terminal not sized error

All,

I am working on a project which has AHUs supplying via series fan powered boxes. I am trying to model this using “Powered Induction Unit”. I am getting this error which I am unable to understand. It says, “terminal is not sized, but its air handler is sized.  In this case, the terminal must also be sized. Check design-day criteria, or manually size the terminal.” Can somebody please point out what I am missing here? Your help is greatly appreciated.

[cid:image011.jpg at 01D9DA61.C6FB2150]

Thanks,
Pramod
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