3Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater
SECTION 2: Planning
Thefollowingcodesandinstructionsshouldbefollowedwhen
planningtheinstallationoftheHeatstarER2STGheater.In
additiontotheseinstructions,thewarningsin(Section1)must
becarefullyadheredtosinceimproperinstallationmayleadto
propertydamage,injury,ordeath.
National Standards and Applicable
Codes
Gas Codes:
Thetypeofgasappearingonthenameplatemustbe
thetypeofgasused.Installationmustcomplywithlocal
codesandrecommendationsofthelocalgascompany,
andtheNationalFuelGasCode,ANSIZ223.1–latest
revision,(sameasNFPABulletin54)ortheNaturalGas
andPropaneInstallationCode,CSAB149.1.
• Clearancebetweentheheateranditsventandadjacent
combustiblematerial(whichispartofthebuildingorits
contents)shallbemaintainedtoconformwiththeStan-
dardforInstallationofGasAppliancesandGasPiping,
NFPA-54/ANSIZ223.1–latestrevision,NationalFuel
GasCodeortheNaturalGasandPropaneInstallation
Code,CSAB149.1.
Aircraft Hangers:
Installationinaircrafthangersmustbeinaccordance
withtheStandardforAircraftHangers,ANSI/NFPA-409
– latestrevision.
• Heatersinaircraftstorageorserviceareasshallbein-
stalledataheightof10feetabovetheuppersurfaceof
wingsorengineenclosuresofthehighestaircraftwhich
maybehousedinthehanger.(Thisshouldbemeasured
fromthebottomoftheheatertothewingorengine
enclosure,whicheverishighestfromthefloor.)
• Inothersectionsofaircrafthangers,suchasshopsor
offices,heatersmustnotbeinstalledlessthan8feet
abovethefloor.
• Heatersinstalledinaircrafthangersshallbelocatedso
asnottobesubjecttodamagebyaircraft,cranes,move-
ablescaffoldingorotherobjects.
Public Garages:
Installationsingaragesmustbemadeinaccordance
withtheStandardforParkingStructures,NFPA-88A–
latestrevisionortheStandardforRepairGarages,NFPA-
88B–latestrevision.
• Heatersmustnotbeinstalledlessthan8feetabove
thefloor.Minimumclearancestocombustiblesmustbe
maintainedfromvehiclesparkedbelowtheheater.
• Wheninstalledoverhoists,minimumclearancestocom-
bustiblesmustbemaintainedfromtheuppermostpoint
onthehoist.
Venting:
Theventingmustbeinstalledinaccordancetothelatest
revisionofANSIZ223.1orCSA149.1.Partialinformation
withregardtothiscodeisprovidedin(Section5)ofthis
installationmanualwithregardtosizeandconfigura-
tionsforventingarrangements.
• Anyportionoffluepipepassingthroughacombus-
tiblewallmustbedualinsulatedorhaveanapproved
thimble.RefertotothelatestrevisionofANSIZ223.1or
CSA149.1
Hazardous Locations:
Wherethereisthepossibilityofexposuretocombustible
airbornematerialorvapor,consultthelocalFireMarshal,
thefireinsurancecarrierorotherauthoritiesforapproval
oftheproposedinstallation.
Critical Considerations
HeatstarER2STGisasuspendedheater.Therefore,its
stability,flexibility,andsafetyareveryimportant.Before
startinginstallation,besurethesystemcanmeetthe
followingrequirements.
• Maintainspecifiedclearancestocombustibles,andsafe
distancefromtheheat-sensitivematerial,equipmentand
workstations.
• Thestatedclearancestocombustiblesrepresentasur-
facetemperatureof90°F(30°C)aboveroom
temperature.Buildingmaterialswithlowheattolerance(
suchasplastic,vinylsiding,canvas,etc.)maybesubject
todegradationatlowertemperatures.Itistheinstall-
ersresponsibilitytoassurethatadjacentmaterialsare
protectedfromdegradation.
•Provideasuspensionwithverticallengthofchainor
swingingrodwhichhasatleast2inchesofhorizontal
travelforeachburnerinastraightrun.Besurethesus-
pensionsystemissufficientlyflexibletoaccommodate
thermalexpansionwhichoccursasthesystemheatsup
(seeFigure6onpage11).
• Provideaccesstoburnersforservicing,preferableon
bothsides,aboveandbehindtheburnerforremoval.
• Provideaminimumof18inchesofclearancebetween
burnersandbuildingwalls.(Alwaysobserveminimum
clearancestocombustibles.)
• Besuretheheaterhasadownwardpitchofone-half
inchper20feetawayfromtheburner.
• Providesignsinstorageareastospecifymaximumstack-
ingheighttomaintainrequiredclearancestocombus-
tibles.
•Planlocationsupports(seeFigure2A-Donpage8).
Locateasupportnearallelbows.
• Theinstallationmustconformwithlocalbuildingcodes
orintheabsenceoflocalcodes,withtheNationalFuel
GasCode,ANSIZ223.1/NFPA54ortheNaturalGas
andPropaneInstallationCode,CSAB149.1.
• Ifanexternalelectricalsourceisutilized,theheater,
wheninstalled,mustbeelectricallygroundedinaccor-
dancewiththeNationalElecticalCode,ANSI/NFPA70
orcurrentCanadianElectricalCode,CSAC22.1.
Available Venting Kits
F102848 Category I 4" Vertical Vent Kit
F102849 Category I 6" Vertical Vent Kit
F102860 Category III 4" Stainless Steel Horizontal Vent Kit