[Equest-users] stumped re. excessive heating

Paul Diglio paul.diglio at sbcglobal.net
Wed Mar 6 06:53:35 PST 2013


Can you post your pd2 and inp files so we can take a look?

 Paul Diglio, CEM, CBCP

87 Fairmont Avenue
New Haven, CT  06513


From: Christian Stalberg <cstalberg at naturalintelligence.us>
To: equest-users at lists.onebuilding.org
Sent: Wed, March 6, 2013 9:06:59 AM
Subject: [Equest-users] stumped re. excessive heating

I have a proposed building in a  tropical climate with CHW cooling and 
no heating. Per ASHRAE I’m installing electric heat in both the Baseline 
and Proposed models. The heating in the Proposed is double what it is 
in the Baseline. Worse yet, I am getting the following warning:
             ZONE EL1 East Perim Zn (G.E19)       
             might have insufficient heating capability.
             Check that the SYSTEM or ZONE HEATING-CAPACITY plus this
             ZONEs BASEBOARD-RATING is adequate to maintain the ZONE
             specified DESIGN-HEAT-T for the calculated peak ZONE load
             (see LS-A or LS-B for the ZONE peak load.)
             SYSTEM UMA 102                         
             which supplies the above listed ZONE, has a design heating
             coil exit temperature, HEAT-SET-T,(plus any zone reheat)
             below its MAX-SUPPLY-T or the ZONE DESIGN-HEAT-T, which
             might account for the insufficient heating capability.
Does eQUEST overcompensate for an erroneous config for heating such that 
it would behave this way? What should I look for?
Thanks in advance.
Christian Stalberg
Natural Intelligence, LLC  
Tel. 919.986.9237
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