Installation
16│Page
Pleasefollowalllocalandnationalcodesinregardstoproperterminationclea rances.
Intheabsenceofsuchcodes,thefollowingclearancescanbeusedasguidelines.Local
codessupersedetheseguidelines.
Forsidewallterminations
Exhausttermination
1ft.
1ft.
2ft.
Inside
corner
Formultiplesidewallexhaust
terminations(e.g.multi‐unit
systems),anexhausttermination
mustbeatleast1ft.awayfrom
anotherexhaustterminati on.An
exhaustterminationmustalsobe
atleast2ft.awayfromaninside
corner(iftheadjacentwallisless
than2ft.oflength,theminimum
requireddistanceawayfromthe
insidecornerwillbeequaltothe
lengthofthatadjacentwall).
Fordirect‐ventsidewall
terminationsthatusetwo
separatepenetrationsforthe
intakeandexhaust,distance
theintakeandexhaust
terminationsatleast3ft.away
fromeachother,nomatterthe
orientation.
Formultiple‐unit,direct‐ventsidewall
terminationsthatcombinetheintake
andexhaustintoasinglepenetration,
spaceeachdirect‐ventterminationat
least1ft.awayfromeachother,no
mattertheorientation.Adirect‐vent
terminationmustalsobeatleast2ft.
awayfromaninsidecorner(if
the
adjacentwallislessthan2ft.of
length,theminimumrequired
distanceawayfromtheinsidecorner
willbeequaltothelengthofthat
adjacentwall).
Formultiple‐unitrooftopterminations(whetherforstandardindooror
direct‐ventinstallations)spaceallexhaustandintaketerminationsin
accordance
withlocalcodes.Anexhaustterminationmustbespacedfrom
awallorsurfaceinaccordancewithlocalcodesaswell.Intheabsenceof
suchacode,anexhaustterminationmustbeahorizontaldistanceofat
least2ft.awayfromawallorsurface.
A:Inaccordancewith
localcodes
Forrooftopterminations
Airintake
Exhaust termination
A
A
A
A
A
2ft.
Airintake
Exhaust
termination
Exhaustand/ordirect‐vent
sidewallterminationsshould
beatleast2ft.awayfroman
oppositesurface/wall.Do
notplacethetermina tion
directlyinfrontofan
openingintoabuilding.
2ft.
Exhaust
termination
Airsupplyinlet
3ft.
3ft.
3ft.
Directventtermination
1ft.
1ft.
Inside
corner
2ft.
CAUTION
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