External Wall Calculation

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Hello All,

Does anyone know of a way I can reference a child code word? My specific situation is that I want my infiltration to be controlled via a global parameter that represents the infiltration in terms of CFM/SF of Exterior wall. I want to be able to parametrically change this value so I have to do it in DD Edit. The problem is that infiltration is a zone keyword that is the parent of the exterior wall. It wouldn't be an issue the other way around because I could just use the #P("keyword"). Any ideas on how I can reference the child using DOE2 language?

John Grando LEED AP

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Scott,

Thanks for the explanation, at least now I know I shouldn't bother banging my head against the wall on this one. Does anyone have any tips for changing infiltration CFM/SF of exterior wall without going through each zone and manually calculating it?

John Grando LEED AP

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John,

You could try changing the value of infiltration in the wizard (which
allows cfm per sq. ft. of exterior wall). I can't find it in the
documentation but I assume that the value of cfm/ft2 for each space
(when using Air Change method) is calculated by eQUEST based on the
value of cfm/ft2 entered in the wizard. If you're already in DD Edit
mode, you'll have to work from a saved-as copy of your model (to go back
to the wizard) and work with the input files to copy the new
infiltration numbers. This might not be worth it unless you haven't made
a lot of changes to the spaces in DD Edit mode, or if you are good at
selective editing of input files.

Regards,

William Bishop, EIT, BEMP, LEED(r) AP

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