Ventilation Hood User Manual

www.desatech.com
118197-01C 7
VENTINg INSTALLATION
INSTRUCTIONS
   -
tions completely before at-
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These models are tested and approved for use
with DESA (direct-vent) pipe components and
terminations.
Theventingsystemmustterminateontheoutsideof
thestructureandcannotbeattachedtoachimney
oruesystemservingaseparatesolidfuelorgas
burningappliance. Adirect-ventappliancemust
haveitsownventingsystem.DONOTcommon
ventthisappliance.
These models are approved to be vented either
horizontallythroughanoutsidewallorvertically
througharooforchaseenclosureusingthefol-
lowingguidelines:
• Whenventingsystemterminateshorizontally
onanoutsidewall,youmayinstallastandoff
iftheterminationcapistobeinstalleddirectly
ona combustiblenishsuch asvinyl, wood,
stucco,etc.
• Never run the vent downward as this may
cause excessive temperatures which could
causeare.
• Ventpipeairspaceclearancestocombustibles
are 1" on all sides except on the horizontal
sections, which requires 2" clearance from
thetopofthepipe.Wheretheterminationcap
penetrates a combustible wall, 1" air space
clearanceisrequired.
• Snorkel terminations are required when
minimumclearancetogradecannotbemet(see
Figure16onpage11).
• Havereplaceandselectedventcomponentson
handtohelpdeterminetheexactmeasurements
whenelbowingoroffsetting.Alwaysusewall
restopswhenpenetratingwallsandrestops
whenpenetratingceilingsoratticspaces.
• Ifusingaventingcongurationofonlyhori-
zontalventingwithnoverticalrun,a1/4"rise
forevery12"ofruntowardtheterminationis
required.
• Forinstallationofreplaceatelevationsof4000
feetorgreater,payspecialattentiontoventing
requirementrecommendations.
WARNING: Read all instruc-
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  



-


 
removable for vent inspection


• Wearglovesandsafetyglassesforprotection
• Use extreme caution when using ladders or
whenonrooftops
• Beawareofelectricalwiringlocationsinwalls
andceilings
Thefollowingactionswillvoidthewarrantyon
yourventingsystem:
• Installationofanydamagedventingcomponent
• Unauthorizedmodicationoftheventingsys-
tem(Donotcutoralterventcomponents)
• Installationofanycomponentpartnotmanu-
facturedorapprovedbyDESA
• Installation other than as instructed by these
instructions

and vent assembly must be vented




   


WARNING: Vent pipe air
space clearances to combustibles





