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

[Chris Jones]

DOE2.1e from Hirsh uses the HW-SUPPLY-RESET = LOAD-RESET

"LOAD-RESET indicates that the HW-SUPPLY-T will 
be reset so that one hot-water coil valve is 
fully open.  All other hot-water coil valves will 
modulate as required to maintain the supply air temperature set-point."


At 11:36 AM 20/10/2010, Eric Zagorski wrote:
>Content-Language: en-US
>Content-Type: multipart/alternative;
>         boundary="_000_4F46B8EDBEE3424491F1CE6FBE6C33FE045B7Femeserver02_"
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>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
><http://www.emegroup.com>www.emegroup.com
>
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Chris Jones
14 Oneida Avenue
Toronto, ON M5J 2E3.
Tel.  416-203-7465
Fax. 416-946-1005

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