[BLDG-SIM] economizer on split systems

Mike Tillou miket at etcgrp.com
Mon Apr 16 13:02:58 PDT 2007


TYPE = RESYS does not allow the use of outside air.  You would need to
use TYPE = RESYS2 or TYPE = RESVVT

Mike


Michael Tillou, PE
ETC Group - Energy Engineering for a Sustainable Future
Ph:413-458-9870


-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of Kevin J.
Kyte
Sent: Monday, April 16, 2007 2:49 PM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] economizer on split systems


I have a building to be conditioned with several 5 ton split systems. An
economizer is used for each unit and is only available when the outside
air temp drops below 52.5 F. I am having trouble simulating an airside
economizer with this system or including outside air at all. I am using
a residential system (RESYS) for this building, is this correct? In
equest detailed data edit, I am unable to change the values from n/a.

I would be most grateful if anyone would be willing to provide
assistance.

Kevin Kyte








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