[Equest-users] VAV with electric heat coil

John Aulbach jra_sac at yahoo.com
Thu Jun 14 10:03:27 PDT 2012


If I am not correct, you would enter the reheat delta T at the SYSTEM level. Try that.

John Aulbach
Partner Energy


________________________________
 From: "Pasgar, Arash" <APasgar at dbrinc.com>
To: "equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org> 
Sent: Tuesday, June 12, 2012 7:58 AM
Subject: [Equest-users] VAV with electric heat coil
 

 
Hi All,
 
I am trying to model a package roof top VAV unit with electric heat coil.
 
At system level heating I selected:
 
System type: Pkgd Var Val
Heat source: furnace
Zone heat source: Electric (each zone has a VAV with electric heat coil, EAT=55, LAT=85)
Heating capacity:-220 MBH (same as my mech sch. For RTVAV)
 
At zone level I think I have to enter heating capacity or reheat delta T, but both of them are n/a.
How can I get this one fix?
 
On my previous model, I modeled the electric heat coil as a baseboard in each zone!!!
I am not sure if I did it correctly because at the end my space heating on baseline was very low compare to proposed and made energy saving percent equal to -97%.
 
Thanks in advance for your help
 
 
Arash Pasgar
Mechanical Designer



v. 210.546.0200 | www.dbrinc.com
 
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