[Bldg-sim] Hot-Water Supply Temperature Reset in DOE2.1e

Eric Zagorski EZagorski at EMEGroup.com
Wed Oct 20 08:36:17 PDT 2010


Hi All,

I am currently modeling a building in DOE2.1e and am trying to comply with ASHRAE 90.1-2007 section G3.1.3.4 which states that:

Hot-water supply temperature shall be reset based on outdoor dry-bulb temperature using the following schedule: 180°F at 20°F and below, 150°F at 50°F and above, and ramped linearly between 180°F and 150°F at temperatures between 20°F and 50°F.

DOE2.2 allows you to model this in the "CIRCULATION-LOOP" command, but DOE2.1e does not recognize that code-word. Does anyone know how to incorporate hot-water temperature reset in DOE2.1e?

Thanks,

Eric Zagorski
EME Group | Consulting Engineers
159 W. 25th Street
New York, NY 10001
Tel: (212) 529-5969 x330
Fax: (212) 529-6023
www.emegroup.com<http://www.emegroup.com>

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