[Bldg-sim] climate zone 4a economiser

[Chris Yates]

Dear all,

ASHRAE 90.1 - 2007, App G
typical office building
Climate zone 4a

A mixing box should operate predominantly on re-circ whilst introducing a
minimal amount of fresh air to the building (such as that required to meet
ASHRAE 62.1).

Does anybody else find the tables G3.1.2.6A & B confusing?

Cheers

Chris
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