[bldg-sim] New eQuest user

[Steven Gates]

Don,

Take a look at the "Dictionary" that is part of the DOE-2.2 documentation.
It describes heat wheels in a fair amount of detail.  

Note that the default mode of operation is to run an energy recovery
ventilator whenever the HVAC fans are active; irrespective of whether the
heat reclaim is useful.  In actuality, this is a terrible mode, and will
typically consume more energy than it saves.  This mode is made the default
to force the user to think about how they actually want to control an energy
recovery ventilator.  These devices typically have relatively large static
pressure drops (~1"-2" on either side of the heat exchanger, including
filters) and can incur large energy penalties over the course of a year if
not controlled intelligently.  Penalties arise both in fan energy, as well
as possibly chiller energy if the ERV is working when cool outdoor air would
in fact be beneficial.

The algorithms include a fairly comprehensive set of control strategies so
that you can evaluate their merits.


-----Original Message-----
From: postman at gard.com [mailto:postman at gard.com] On Behalf Of Don Saal
Sent: Thursday, April 28, 2005 11:15 AM
To: bldg-sim at gard.com
Subject: [bldg-sim] New eQuest user

I have gone through the introductory tutorial and I am now interested in
more information regarding the detailed editing functions.  Specifically
regarding energy recovery wheels.  Are there any advanced tutorials on the
web?

Thanks,


Don Saal, PE
Mechanical Systems

Affiliated Engineers, Inc.
5802 Research Park Blvd.
Madison, WI 53719

Phone: 608-236-1150 (direct)
Fax: 608-238-2614
Email: dsaal at aeieng.com


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