Harman PF-120 - Page 12

Harman® • PF-120 Installation Manual_R1 • 2014 -___ • 03/1412
3-90-08121i
Requirements for Terminating the Venting
WARNING:Ventingterminalsmustnotberecessedintoa
wallorsiding.
NOTE:OnlyPLventpipewallpass-throughsandrestops
shouldbeusedwhenventingthroughcombustiblematerials.
NOTE:Alwaystakeintoconsiderationtheeffecttheprevailing
winddirectionorotherwindcurrentswillcausewithyash
and/orsmokewhenplacingthetermination.
In addition, the following must be observed:
A. Theclearanceabovegrademustbeaminimumof12”.
B. Theclearancetoawindowordoorthatmaybeopened
must be a minimum of 48” to the side, 48” below the
window/door, and 12” above the window/door. (with
outside air installed, 12” to the side or below)
C.A 12” clearance to a permanently closed window is
recommendedtopreventcondensationonthewindow.
D.`Theverticalclearancetoaventilatedsoftlocatedabove
theterminalwithinahorizontaldistanceof2feet(60cm)
fromthecenter-lineoftheterminalmustbeaminimum
of18”.
E. Theclearancetoanunventilatedsoftmustbeaminimum
of12”.
F. Theclearancetoanoutsidecorneris11”fromcenterof
pipe.
G.Theclearancetoaninsidecorneris12”.
H.Aventmustnotbeinstalledwithin3feet(90cm)above
agasmeter/regulatorassemblywhenmeasuredfromthe
horizontalcenter-lineoftheregulator.
I. Theclearancetoserviceregulatorventoutletmustbea
minimumof6feet.
J. Theclearancetoanon-mechanicalairsupplyinlettothe
buildingorthecombustionairinlettoanyotherappliance
mustbeaminimumof48”.
K. Theclearancetoamechanicalairsupplyinletmustbea
minimumof10feet.
L. The clearance above a paved sidewalk or a paved
drivewaylocatedonpublicpropertymustbeaminimum
of7feet.
M.Theclearanceunderaveranda,porch,deckorbalcony
mustbeaminimumof12inches. (see B also)
NOTE: The clearance to vegetation and other exterior
combustiblessuchasmulchis36”asmeasuredfromthe
centeroftheoutletorcap.This36”radiuscontinuestograde
oraminimumof7feetbelowtheoutlet.
Certain Canadian and or Local codes or regulations may
requiredifferentclearances.
A vent shall not terminate directly above a side-walk or
paveddrivewaywhichislocatedbetweentwosinglefamily
dwellingsandservesbothdwellings.
Onlypermittedifveranda,porch,deck,orbalconyisfully
openonaminimumof2sidesbeneaththeoor.
NOTE: Where passage through a wall, or partition of
combustible construction is desired, the installation
shall conform to CAN/CSA-B365. (if in Canada)
V
=Vent Terminal
A
=Air Supply Inlet
=Area where termination is not permitted
Door
Sidewalk
Fixed
Closed
Openable
Openable
Fixed
Closed
Inside Corner
Detail
Porch or
Openable
Deck
or Fixed