1. GENERAL INFORMATION
a. Yourheatercomesfullyassembledandistestedat
the factory for proper gas and input as stated on
the name plate.
b. Beforeproceedingwiththeinstallation,besuretoin-
spectfordamages.Thefreightcompanythatdelivered
the heater must be notified of any damages prior to
installation.HEATSTARwillsendreplacementpartsfor
damagedpartsonlyafterreceivingasignedinspection
reporttoprovetheliabilityofthefreightcompany.
c. Do not attempt to operate heater with any other gas
than that indicated on the heater name plate.
d. Installationoftheheatermustconformwithlocal
building codes or, in absence of local codes, with
theNationalFuelGasCode,ANSIZ223.1/NFPA54.In
Canada,refertoCAN1-B146.1.
e. Plugged1/8"N.P.T.TestGageConnectionislocated
ontheHeaterGasControloraN.P.T.Connectionis
locatedontheoutsideoftheCastVenturi.
2. CLEARANCES Minimum clearances to combustibles.
(Refer to Figure 1)
Provideadequateclearancetocombustibles,Figure
1,betweencontrolendofheaterforservicing
andminimumontopandsidesforventilationand
combustion air supply.
Aminimumclearanceof8'abovefloorforpublic
garagesinaccordancewithANSI/NFPANo.88most
recenteditionorFigure1;whicheverislarger.In
CanadarefertoCAN1-B149.1Installationcodesfor
Gasburningappliances.
Aminimumclearanceof10'fromthebottomof
heater to top of wing, or engine enclosure, where
aircraftarehoused,and8'abovefloorinotherareas
ofthehangerinaccordancewithANSI/NFPANo.409
mostrecentedition,orFigure1;thelargerdimension
ofANSI/NFPANo.409orFigure1istobeused.In
CanadarefertoCCAB149-1-M91.
WARNING:
MAINTAINCLEARANCESASSHOWN
INFIGURE1ORONHEATERNAMEPLATE,INGARAGE
INSTALLATIONSWHEREPARKEDVEHICLESARE
DIRECTLYBELOWTHEHEATER.
3. SUSPENSION
Heaterhasfourmountingholes,twooneachend,for
attachingrodorangleironbracketsandshallbesafely
andadequatelyfixedinpositionindependentofgas
andelectricsupplylines.RefertoFigures4,5,and7on
pages13and14forrecommendedsuspensions.
4. GAS SUPPLY
Provideadequategassupplyforratedinputofeach
heaterusingAmericanStandardInstallationofgas
pipingandgasappliancesinbuildingANSI/223.1a/
NFPA54Pamphlet,TableC-3showscapacityofpipe
Enerco Group, Inc. | Gas-Fired Infra-Red Space Heaters
of different diameters and lengths in cubic feet per
hourforNaturalGaswithpressuredropof0.3inches
specifygravityof0.60.ForliquefiedPetroleumGas
(LP)capacityrefertoTableC-3andC-15ofthesame
pamphlet.Forrecommendedheatergasconnection
refertoFigureNo.5,Page15.InCanadarefertoCAN
1-B149.1,andCSAB63.
Ifgaslinesaretobepressuretestedwithcompressed
air,disconnecteachheatertopreventcontroldamage
andcapoutlets.Afterreconnectingallheaters,purge
gaslinesofairandcheckallconnectionsforleaksus-
ing soap solution.
WARNING:
DONOTUSEMATCHOROTHER
FLAMEFORLEAKTESTING.
5. PIPING REQUIREMENTS
Allpipinginstalledmustcomplywithlocalcodesandordinances
orwiththeNationalFuelGasCode,ANSIZ223.1(NFPA54),
whichevertakesprecedence.Wheninstallingpiping,thefollowing
requirementsmustbetakenintoconsideration:
• Usenewproperlyreamedblackpipefreefromchips.
• Applyagoodqualitypipecompoundtoallmalethreads
priortoassembly.IfL.P.gasisthefuel,ensurethatpipe
compoundisresistanttoL.P.gas.DONOTUSETEFLON
™ tape.
• Priortoinstallation,applypipecompoundtoallmale
threadsasshowninFigure1.
USE MODERATE AMOUNT OF PIPE DOPE
LEAVEFIRST2THREADSBARE
Figure 1. Pipe Compound Application
• Malethreadsonpipetobeinstalledintogasvalveshall
meettherequirementsofFigure2.Threadslongerthan
thoseshowninthefiguremaycausegasvalvedistortion
and malfunction.
• Asedimenttrapmeetingthetypicalrequirementsof
Figure3shallbeinstalledinthelinetothegasvalve.
• Adedicatedshutoffvalvefortheheatermustbein-
stalled in the gas supply line.
¾3/4"MAXIMUMTHREADLENGTH
½"BLACKPIPE
GASVALVEBODY
E3
Operating Instructions and Owner's Manual
Figure 2.
Gas valve
connection
requirements