[Equest-users] Crankcase heating in Appendix G

jacob goodman jacobg at lseng.com
Tue Jan 4 08:00:47 PST 2011


I am working on a reply to some LEED reviewer questions regarding crank 
case heating for a PSZ-AC system type for a LEED building. The project 
is registered under 90.1 - 2004. The eQuest system type "Packages single 
zone" defaults to 0.5 kW of crank case heating which I left in both 
models since my proposed model uses the same type system and crankcase 
in necessary in the northwest.

The reviewer commented that "because Appendix G does not explicitly 
address crankcase heating, it should not be modeled in the baseline 
case". This seems to imply that if it is included in the installed units 
it need to be in the proposed model, but I need to remove it from the 
baseline causing an unfair energy difference.

I didn't find any CIR's, but does anyone have any suggestions?
-- 

Jacob Goodman , LEED AP, Green Building Specialist
v:509.280.7051  i:www.lseng.com <http://www.lseng.com>
L&S  Engineering Associates, Inc.
'High Performance Design'
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