Desa (V)DVC42(B)(H) Ventilation Hood User Manual


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118197-01C 9
VENTINg INSTALLATION
INSTRUCTIONS
Continued
WARNING: Do not recess


6. Positionthe
horizontalventcapinthecenterofthe8
1
/
2
"
roundholeandattachtotheexteriorwallwith
fourwoodscrewsprovided.Beforeattaching
theventcaptoexteriorwall,runabeadof
non-hardeningmastic(pliablesealant)around
theoutsideedgestomakeasealbetweenitand
theoutsidewall.Note:Thefourwoodscrews
providedshouldbereplacedwithappropriate
fastenersforstucco,brick,concreteorother
typesofsidings.
Forvinylsiding,
stuccoorwoodexteriors,asidingstandoffmay
beinstalledbetweentheventcapandexterior
wall.Thesidingstandoffpreventsexcessive
heatfromdamagingthesidingmaterials.
Sidingmaterialmustbecuttoaccommodate
standoff.Bolttheventcaptothestandoff.Ap-
plynon-hardeningmasticaroundoutsideedge
ofstandoff.Positionthestandoff/capassembly
inthecenterofthe10
3
/
4
"squareholeandattach
toexteriorwallwithwoodscrewsprovided(see
Figure11).Thesidingstandoffmustsitush
againsttheexteriorfasciamaterial.
7. Slidethewall
restopovertheventpipebeforeconnecting
horizontalruntoventcap(seeFigure12).
8. Carefullymovereplace,withventassembly
attached,towardwallandinsertventpipe
intohorizontaltermination.Thepipeoverlap
shouldbeaminimumof1
1
/
4
"(seeFigure13,
page10).
9. Slidewall
restopagainstinteriorwallsurfaceandattach
withscrewsprovided.SeeFigure13,page10,
forhorizontalterminationdetails.
10.Placereplaceintopositionandshimwith
noncombustiblematerialifneeded.Nailor
screwsideangestoframingtosecureunitin
place.IMPORTANT:Makesurereplaceis
levelbeforesecuring.Ifreplaceisnotlevel
itwillnotworkproperly.
Figure 10 - Installing Horizontal Vent Cap
(Noncombustible Exterior)
Wood Screw
Vent Cap
Figure 11 - Installing Siding Standoff
(Combustible Exterior Wall)
Cut Siding Away to
Fit Standoff
Wood
Screw
Screws
Standoff
Vent
Cap
Apply Mastic
to All Four Sides
Vent Cap
(Horizontal
Termination)
Interior Wall
Surface
Wall
Firestop
Horizontal
Vent Pipe
Figure 12 - Connecting Vent Cap with
Horizontal Vent Pipe
Screw
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