[BLDG-SIM] ASHRAE 90.1 ECB System 6
Galen Staengl
gstaengl at earthlink.net
Mon Jul 12 07:31:22 PDT 2004
I am looking for help interpreting ASHRAE 90.1-1999. I am modeling a
building with a ground source heat pump, and it looks like the ECB system
should be System 6. System 6 is listed as a water source heat pump, but the
cooling type is listed as Direct Expansion. I'm not sure whether to model
this as a water source heat pump with an air cooled chiller (doesn't make a
lot of sense), or an air cooled heat pump with a water source heat pump for
heating (also doesn't make a lot of sense), or a water source heat pump with
a air cooled fluid cooler to cool the water (might make sense but certainly
is not a "direct expansion" system. I appreciate any advice on the subject.
Thanks,
Galen Staengl, P.E.
129 Goodman St.
Charlottesville, VA 22902
(434)295-8105 (phone)
(434)295-8105 (fax)
www.staenglengineering.com
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