[Equest-users] EE4 Modeling Question
Brad Robinson
brad.robinson at yahoo.com
Wed Nov 17 03:48:38 PST 2010
I am not sure if this is the right forum, but I can't seem to find an EE4
specific list. My question is concerning the way an HRV is modelled in EE4.
Currently I have a rooftop unit with a supply fan only, and a separate HRV. In
EE4, there is not option to use a separate HRV. In order to model an HRV, a
return fan must be specified. My first thought was to put the power for the HRV
fans as the return fan power. The problem is in EE4 this return fan will see
the full flow of the unit (or almost - exhaust) where as my HRV is less than 1/4
of the flow. In EE4 I can only specify static pressure and efficiency for the
fan. Is there an accepted way model the power of the HRV fans? Thanks for any
help.
Brad Robinson P.Eng, LEED AP
brobinson at arcengineering.ca
ARCEngineering Inc.
144 Peach Tree Lane
Grimsby, ON L3M 5C1
P • (289) 235-8212
C • (905) 321-5907
F • (289) 235-8213
www.arcengineering.ca
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