Product Manual

CompactUnit/UtilityHeater OperatingInstructionsandOwner’sManual
8
F–VENTINGUSINGAMASONRYCHIMNEY
Thefollowingadditionalrequirementsapplywhenalinedmasonry
chimneyisbeingusedtoventthecompactunit/utilityheater.
1. MasonrychimneysusedtoventCategoryIunitsheaters
mustbeeithertile-linedorlinedwithalistedmetallining
systemordedicatedgasvent.Unlinedmasonrychimneysare
prohibited.AcategoryIappliancemustneverbeconnected
toachimneythatisservicingasolidfuelappliance.Ifa
fireplacechimneyflueisusedtoventthisappliance,the
fireplaceopeningmustbepermanentlysealed.
2. Afanassistedunitheatermaybecommonlyventedintoan
existinglinedmasonrychimneyprovided:
• Thechimneyiscurrentlyservingatleastonedraft-hood
equippedappliance.
• Theventconnectorandchimneyaresizedinaccordance
withventingtablesinthe(American)NationalFuelGas
CodeANSIZ223.1or(Canada)CSAB149.1NaturalGas
andPropaneInstallationCode.
IMPORTANTSingleapplianceventingofafanassistedunit
heaterintoatilelinedmasonrychimney(interiororoutsidewall)
isprohibited.ThechimneymustfirstbelinedwitheithertypeB-1
ventoraninsulatedsinglewallflexibleventliningsystem,sized
inaccordancewithventingtablesinthe(American)NationalFuel
GasCodeANSIZ223.1or(Canada)CSAB149.1NaturalGasand
PropaneInstallationCode.
3. AtypeB-1ventormasonrychimneylinershallterminate
abovetheroofsurfacewithalistedcaporalistedroof
assemblyinaccordancewiththetermsoftheirrespective
listingsandtheventmanufacturer’sinstructions.
4. Donotinstallamanualdamper,barometricdraftregulator,or
fluerestrictorbetweentheunitheaterandthechimney.
5. IftypeB-1double-wallventisusedinsideachimney,noother
appliancecanbeventedintothechimney.Outerwalloftype
B-1ventpipemustnotbeexposedtoflueproducts.
6. Insulationfortheflexibleventpipemustbeanencapsulated
fiberglasssleeverecommendedbytheflexibleventpipe
manufacturer.
HORIZONTAL VENTING - RESIDENTIAL INSTALLATION
UPWARD SLOPE
INDUCED DRAFT BLOWER
12 INCHES
MIN. (30.5CM)
VENT TERMINATION CAP
LISTED THIMBLE THROUGH
COMBUSTION WALL
CATEGORY III VENT ACCORDING TO THESE INSTALLATION
INSTRUCTIONS.
SLOPED: + 1/4 INCH FOR 1 FOOT RUN MINIMUM.
NOTE - MINIMUM HORIZONTAL LENGTH 5FT. (1.5M), NOT
INCLUDING CAP FOR TERMINATION.
MAXIMUM HORIZONTAL LENGTH AND NUMBER OF ELBOWS
REFER TO TABLE 2
COMMON VENTING NOT ALLOWED WHEN HORIZONTALLY VENTING THE UNIT / UTILITY HEATER.
FLUE TRANSITION
(PROVIDED)
FIGURE 6
7. ThespacebetweenlinerandchimneywallshouldNOT
beinsulatedwithpuffedmicaoranyotherloosegranular
insulatingmaterial.
8. IftypeB-1ventoraninsulatedflexibleventpipecannotbe
usedasliners,thechimneymustberebuilttoaccommodate
oneofthesemethodsorsomealternateapprovedmethod
mustbefoundtoventtheappliance.Wheninspection
revealsthatanexistingchimneyisnotsafefortheintended
purpose,itshallberebuilttoconformtonationally
recognizedstandards,linedorrelinedwithsuitablematerials
orreplacedwithagasventorchimneysuitableforventing
unitheaters.Thechimneypassagewaymustbechecked
periodicallytoensurethatitisclearandfreeofobstructions.
G–REMOVALOFUNITFROMCOMMONVENT
Intheeventthatanexistingunitheaterisremovedfromaventing
systemcommonlyrunwithseparategasappliances,theventing
systemislikelytobetoolargetoproperlyventtheremaining
attachedappliances.Thefollowingtestshouldbeconductedwhile
eachapplianceisinoperationandtheotherappliancesarenotin
operation,yetremainconnectedtothecommonventingsystem.
Iftheventingsystemhasbeeninstalledimproperly,thesystem
mustbecorrected.
1. Sealanyunusedopeningsinthecommonventingsystem.
2. Visuallyinspecttheventingsystemforpropersizeand
horizontalpitch.Determinethereisnoblockageor
restriction,leakage,corrosion,orotherdeficiencieswhich
couldcauseanunsafecondition.
3. Ifpracticalcloseallbuildingdoorsandwindowsandall
doorsbetweenthespaceinwhichtheappliancesremaining
connectedtothecommonventingsystemarelocatedand
otherspacesofthebuilding.Turnonclothesdryersandany
appliancesnotconnectedtothecommonventingsystem.
Turnonanyexhaustfans,suchasrangehoodsandbathroom
exhausts,sotheywilloperateatmaximumspeed.Donot
operateasummerexhaustfan.Closefireplacedampers.
4. Followthelightinginstructions.Placetheappliancebeing
inspectedinoperation.Adjustthermostatsoappliancewill
operatecontinuously.