Technical Guide - Greenheck

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Indirect Gas-FiredTechnical GuideApril 20122TYPICAL SPECIFICATIONSH & VCONTROLSMAKE-UP AIRCONTROLSFILTERSDIFFUSERSFURNACEVENTIN GMODEL IGXDATAMODEL IGDATA Table of ContentsModel Name Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Technical Guide : Heat Exchange Material Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Technical Guide : S-Tube furnace Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Model IG or IGX? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5Model IG Performance Data.

3 ® Technical Guide: Heat Exchanger Material Selection One important consideration when selecting an indirect gas-fired furnace for a make-up air or

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