HeatStar ERXL40-N Owner's manual

— WHATTODOIFYOUSMELLGAS

 • OpenWindows

 • DO NOTtrytolightanyappliance.

 • DO NOTuseelectricalswitches.

 • DO NOTuseanytelephoneinyourhouse.Immediatelycallyourlocalgassupplierfromaneighbor’stelephone.

 Followthegassupplier’sinstructions.

 • Do nottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.

 • Installationandservicemustbeperformedbyaqualifiedinstaller,serviceagencyorthegassupplier.

 • Ifyoucannotreachyourgassupplier,calltheFireDepartment.

FOR YOUR SAFETY:

Donotstoreorusegasolineorotherflammablevaporsandliquidsinthevicinityofthisoranyotherappliance.

WARNING: Iftheinformationintheseinstructionsarenotfollowedexactly,afireorexplosionmayresultcausing

propertydamage,personalinjuryorlossoflife.

18677XL2016CB

ENERCOGroup,Inc.,4560W.160THST.,CLEVELAND,OHIO44135•866-447-2194

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause

property damage, injury, or death. Read the installation, operating and maintenance instructions

thoroughly before installing or servicing this equipment.

OPERATING INSTRUCTIONS

AND OWNER’S MANUAL

READ INSTRUCTIONS CAREFULLY:Readandfollowallinstructions.

Placeinstructionsinasafeplaceforfuturereference.Donotallowanyonewhohas

notreadtheseinstructionstoassemble,light,adjustoroperatetheheater.

Model#

XL

ER

LANGUAGES INCLUDED

•ENGLISH

•FRENCH

•SPANISH

Heatstar ERXL

Gas-Fired Low-Intensity Infrared Heaters Approved

For Residential Garage/Commercial Applications

ERXL-40ERXL-60

ERXL-80    ERXL-100

ERXL-125ERXL-150

ERXL-175

2

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

SECTION 1:Introduction

HeatstarERXLmodelsarelow-cost,fieldassembledinfrared

heatersthatareeasytoinstallandrequireonlyminimal

maintenance.Theyaredesignedtoprovideyearsofeconomical

operationandtrouble-freeservice.

Checking Shipment

ChecktheshipmentagainsttheBillofLadingforshortages.

Also,checkforexternaldamagetocartons.Noteany

shortages,and/orexternaldamagetocartonsontheBillof

Ladinginthepresenceofthedeliverytrucker.Thedelivery

truckershouldacknowledgeanyshortagesordamageby

initializingthis“noted”BillofLading.Immediatelyreport

anyclaimsfordamagedmaterial,orshortagesthatwerenot

evidentatthetimeofshipment,tothecarrierandyourEnerco

Group,IncFactoryRepresentative.

Installer Responsibility

Allheatersandassociatedgaspipingshouldbeinstalledin

accordancewithapplicablespecificationsandthisinstallation

madeonlybyfirms(orindividuals)wellqualifiedinthistypeof

work.Consultlocalbuildinginspectors,FireMarshalsoryour

localEnercoGroup,IncFactoryRepresentativeforguidance.

HeatstarERXLheatersareinstalledonthebasisofinformation

giveninalayoutdrawing,whichtogetherwiththecitedcodes

andregulations,comprisethebasicinformationneededto

completetheinstallation.Theinstallermustfurnishallneeded

materialthatisnotfurnishedasstandardequipment,andit

ishisresponsibilitytoseethatsuchmaterials,aswellasthe

installationmethodsheusesresultinajobthatisworkmanlike

andincompliancewithallapplicablecodes.

EnercoGroup,IncFactoryRepresentativeshavehadtraining

andexperienceintheapplicationofthisequipmentandcan

becalledonforsuggestionsaboutinstallationwhichcansave

materialandmoney.

WARNING:

FIRE,BURN,INHALATION,ANDEXPLOSIONHAZARD.

KEEPSOLIDCOMBUSTIBLES,SUCHASBUILDING

MATERIALS,PAPERORCARDBOARD,ASAFEDISTANCE

AWAYFROMTHEHEATERASRECOMMENDEDBYTHE

INSTRUCTIONSNEVERUSETHEHEATERINSPACES

WHICHDOORMAYCONTAINVOLATILEORAIRBORNE

COMBUSTIBLES,ORPRODUCTSSUCHASGASOLINE,

SOLVENTS,PAINTTHINNER,DUSTPARTICLESOR

UNKNOWNCHEMICALS.

GENERAL HAZARD WARNING:

FAILURETOCOMPLYWITHTHEPRECAUTIONSAND

INSTRUCTIONSPROVIDEDWITHTHISHEATER,CAN

RESULTINDEATH,SERIOUSBODILYINJURYAND

PROPERTYLOSSORDAMAGEFROMHAZARDSOF

FIRE,EXPLOSION,BURN,ASPHYXIATION,CARBON

MONOXIDEPOISONING,AND/ORELECTRICALSHOCK.

ONLYPERSONSWHOCANUNDERSTANDANDFOLLOW

THEINSTRUCTIONSSHOULDUSEORSERVICETHIS

HEATER.

IFYOUNEEDASSISTANCEORHEATERINFORMATION

SUCHASANINSTRUCTIONSMANUAL,LABELS,ETC.

CONTACTTHEMANUFACTURER.

WARNING:

YOURSAFETYISIMPORTANTTOYOUANDTOOTHERS,

SOPLEASEREADTHESEINSTRUCTIONSBEFOREYOU

OPERATETHISHEATER.

CONTENTS

Section1INTRODUCTION.........................................................2

Section2PLANNING.................................................................3

Section3INSTALLATION&ASSEMBLY.......................................6

Section4EngineeringSpecifications.......................................13

Section5VENTING/DUCTING…………………………………………14

Section6GASPIPING..............................................................17

Section7WIRING....................................................................18

Section8OPERATIONMAINTENANCE.....................................19

Section8TROUBLESHOOTING.................................................21

Section9REPLACEMENTPARTS..............................................22

WARRANTYINFORMATION.....................................................28

WARNING:

The State of California requires the following warning:

COMBUSTIONBY-PRODUCTSPRODUCEDWHENUSING

THISPRODUCTCONTAINCARBONMONOXIDE,A

CHEMICALKNOWNTOTHESTATEOFCALIFORNIA

TOCAUSECANCERANDBIRTHDEFECTS(OROTHER

REPRODUCTIVEHARM).

3Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

SECTION 2: Planning

Thefollowingcodesandinstructionsshouldbefollowed

whenplanningtheinstallationoftheHeatstarERXLheater.In

additiontotheseinstructions,thewarningsin(Section1)must

becarefullyadheredtosinceimproperinstallationmayleadto

propertydamage,injury,ordeath.

National Standards and Applicable

Codes

Gas Codes:

Thetypeofgasappearingonthenameplatemustbe

thetypeofgasused.Installationmustcomplywithlocal

codesandrecommendationsofthelocalgascompany,

andtheNationalFuelGasCode,ANSIZ223.1–latest

revision,(sameasNFPABulletin54)ortheNaturalGas

andPropaneInstallationCode,CSAB149.1.

•Clearancebetweentheheateranditsventandadjacent

combustiblematerial(whichispartofthebuilding

oritscontents)shallbemaintainedtoconformwith

theStandardforInstallationofGasAppliancesand

GasPiping,NFPA-54/ANSIZ223.1–latestrevision,

NationalFuelGasCodeortheNaturalGasandPropane

InstallationCode,CSAB149.1.

Aircraft Hangers:

Installationinaircrafthangersmustbeinaccordance

withtheStandardforAircraftHangers,ANSI/NFPA-409

–latestrevision.

• Heatersinaircraftstorageorserviceareasshallbe

installedataheightof10feetabovetheuppersurface

ofwingsorengineenclosuresofthehighestaircraft

whichmaybehousedinthehanger.(Thisshouldbe

measuredfromthebottomoftheheatertothewingor

engineenclosure,whicheverishighestfromthefloor.)

• Inothersectionsofaircrafthangers,suchasshopsor

offices,heatersmustnotbeinstalledlessthan8feet

abovethefloor.

• Heatersinstalledinaircrafthangersshallbelocated

soasnottobesubjecttodamagebyaircraft,cranes,

moveablescaffoldingorotherobjects.

Public Garages:

Installationsingaragesmustbemadeinaccordance

withtheStandardforParkingStructures,NFPA-88A–

latestrevisionortheStandardforRepairGarages,NFPA-

88B–latestrevision.

• Heatersmustnotbeinstalledlessthan8feetabove

thefloor.Minimumclearancestocombustiblesmustbe

maintainedfromvehiclesparkedbelowtheheater.

• Wheninstalledoverhoists,minimumclearancesto

combustiblesmustbemaintainedfromtheuppermost

pointonthehoist.

Venting:

TheventingmustbeinstalledinaccordancewithNFPA-

54/ANSIZ223.1orCSA149.1–latestrevision,National

FuelGasCode.Partialinformationwithregardtothis

codeisprovidedin(Section5)ofthisinstallationmanual

withregardtosizeandconfigurationsforventing

arrangements.

• Anyportionoffluepipepassingthroughacombustible

wallmustbedualinsulatedorhaveanapprovedthimble.

RefertoANSI-Z223.1orCSA149.1–latestrevision.

Hazardous Locations:

Wherethereisthepossibilityofexposuretocombustible

airbornematerialorvapor,consultthelocalFireMarshal,

thefireinsurancecarrierorotherauthoritiesforapproval

oftheproposedinstallation.

Critical Considerations

HeatstarERXLisasuspendedheater.Therefore,its

stability,flexibility,andsafetyareveryimportant.Before

startinginstallation,besurethesystemcanmeetthe

followingrequirements.

• Maintainspecifiedclearancestocombustibles,andsafe

distancefromtheheat-sensitivematerial,equipmentand

workstations.

• Thestatedclearancestocombustiblesrepresent

asurfacetemperatureof90°F(30°C)aboveroom

temperature.Buildingmaterialswithlowheattolerance

(suchasplastic,vinylsiding,canvas,etc.)maybesubject

todegradationatlowertemperatures.Itistheinstallers

responsibilitytoassurethatadjacentmaterialsare

protectedfromdegradation.

• Provideasuspensionwithverticallengthofchainor

swingingrodwhichhasatleast2inchesofhorizontal

travelforeachburnerinastraightrun.Besurethe

suspensionsystemissufficientlyflexibletoaccommodate

thermalexpansionwhichoccursasthesystemheatsup

(seeFigure6onpage12).

• Provideaccesstoburnersforservicing,preferableon

bothsides,aboveandbehindtheburnerforremoval.

• Provideaminimumof18inchesofclearancebetween

burnersandbuildingwalls.(Alwaysobserveminimum

clearancestocombustibles.)

• Besuretheheaterhasadownwardpitchofone-half

inchper20feetawayfromtheburner.

• Providesignsinstorageareastospecifymaximum

stackingheighttomaintainrequiredclearancesto

combustibles.

• Planlocationsupports(seeFigure2A-Fstartingonpage

8).Locateasupportnearallelbows.

• Theinstallationmustconformwithlocalbuildingcodes

orintheabsenceoflocalcodes,withtheNationalFuel

GasCode,ANSIZ223.1/NFPA54ortheNaturalGas

andPropaneInstallationCode,CSAB149.1.

• Ifanexternalelectricalsourceisutilized,theheater,

wheninstalled,mustbeelectricallygroundedin

accordancewiththeNationalElecticalCode,ANSI/

NFPA70orcurrentCanadianElectricalCode,CSA

C22.1.

4

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

Clearances To Combustibles

TABLE 1:MinimumClearancestoCombustibles(UseFigure1onpage5asaGuide)

Reflector Type Position ERXL-40 ERXL-60 ERXL-80 ERXL-100 ERXL-125 ERXL-150 ERXL-175

Standard

Reflector

(Horizontal)

A

B

C

D

6”

30”

55”

30”

6”

30”

55”

30”

6”

36”

55”

36”

6”

36”

74”

36”

6”

36”

87”

36”

6”

36”

87”

36”

8”

36”

87”

36”

45°ReflectorTilt

A

B

C

E

F

12 ”

30”

55”

36”

60”

12 ”

30”

55”

36”

60”

18”

36”

55”

36”

60”

18”

36”

74”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

U-TubeStandard

(Horizontal)

A

B

C

D

6”

30”

55”

30”

6”

30”

55”

30”

6”

36”

55”

36”

6”

36”

74”

36”

6”

36”

87”

36”

6”

36”

87”

36”

8”

36”

87”

36”

U-TubeOpposite

45°

A

B

C

F

12 ”

30”

55”

60”

12 ”

30”

55”

60”

18”

36”

55”

60”

18”

36”

74”

60”

18”

36”

87”

60”

18”

36”

87”

60”

18”

36”

87”

60”

U-TubeFull45°

A

B

C

E

F

12 ”

30”

55”

36”

60”

12 ”

30”

55”

36”

60”

18”

36”

55”

36”

60”

18”

36”

74”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

Unvented AboveA 36” 36” 36” 36” 36” 36” 36”

WARNING:

FIRE OR EXPLOSION HAZARD

CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY OR DEATH.

Inallsituations,clearancestocombustiblesmustbemaintained.Failuretoobserveclearancestocombustiblesmayresultinproperty

damage,severeinjury,ordeath.

Minimumclearancesmustbemaintainedfromvehiclesparkedbelowtheheater.Signsshouldbepostedinstorageareastospecify

maximumstackingheighttomaintainrequiredclearancestocombustibles.

Cautionshouldbeusedwhenrunningthesystemnearcombustiblematerialssuchaswood,paper,rubber,etc.Considerationshouldbe

giventopartitions,storageracks,hoists,buildingconstruction,etc.

TABLE1givesminimumacceptableclearancestocombustibles.ClearancesasshowninTABLE1arenotforuseinfour-sidedenclosures.

5Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

Clearances To Combustibles

Figure 1: ClearancesToCombustibles(RefertoTABLE1onpage4)

A

C

EF

STANDARD REFLECTOR

D

A

C

A

C

D

“U”-Tube,Standard

A

C

D

F

“U”-Tube,Opposite45°

F

C C

AA

E

A

F

“U”-Tube,Full45°

C

AC

B

FrontandBackClearance

6

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

SECTION 3: Installation & Assembly

TUBECOUPLING(14612)

KEYFORTUBECOUPLING

(14616)

TUBEHANGER

(14585P)

HEATEXCHANGERTUBE10'

(06413)

TURBULATORBAFFLE10'(03445)

TURBULATORBAFFLE5'(03447)

**NOTINCLUDEDWITHALLMODELS**

**ONLYHEATERS30'LENGTHANDUNDER**

REFLECTOR10'

(00418A)

VENTADAPTER

(19021)

BURNERBOX

7Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

Installation Procedure

Takemaximumadvantageofthebuildingupper

structure,beams,joists,purlins,etc.,fromwhichto

suspendtheheater.Thereisnouniquesequencefor

installationofthetubing.On-siteobservationwillusually

revealalogicalsequence.Begintheinstallationatthe

mostcriticaldimension.Thiscouldsavetime.Watchfor

swingingdoors,overheadcranes,carliftsetc.Reflectors

andtubingcanbeinstalledasyoumovealong.Carefully

adjustsystempitchateachpositiontoleveltheheater.

Pitchdownone-halfinchin20feet(awayfromburner).

DON’TPressuretestthegaslineusinghighpressure(greater

than½PSIG)withoutclosingthehigh-pressureshutoff

cocks.Failuretodosowillresultindamagetothe

burners.

DO Familiarizeyourselfwithlocalandnational

codes.

Burner Housing

Mustalwaysbe

installedhorizontally.

Tube and Reflector Hanger

Installimmediatelyafterfirst

coupling.

Turbulator Assembly

EnercoGroup,IncnormallyshipsEner-Radiantheaters

withturbulatorsassembledintoappropriatetubes.

Tube and Reflector Hanger

Suspendsystemfromthesehangers.

Minimumtwo(2)requiredpertube.

Reflectors

Alternateoverlapasshown

onoverview.Lengthof

reflectorandamountof

overlapisindicated.

10'2-1/2" ALUMINIZED

Heat Exchange Tubes

Suppliedin10ft.lengths.

Tube Coupling Assembly

Couplingshouldbeorientedwith

slidebarontop,andallcouplings

should“point”inthesamedirection.

Where Field Changes Occur

TurbulatorSectionsandAdapterareavailablein

sectionsandmustbeassembledbeforeinstallation

(SeeFigure3fordetails).Thenumberofsections

requiredisindicated.

AssembletheheatercomponentsasshowninFigures2A,2B,2C,2D,2E,2Fand2G.Optionalreflectorconfigurationsareshownin(Figure

1).Installappropriatedsuspensionhardware,beamclamps,chainorrodatpredeterminedlocations.Adjustmentofchainlengthwillprovide

uniformpitch.

 Developaplannedprocedurewhichwillconservematerial

andlaboronthejob.

 Checktoseethatallmaterialandequipmentisonthejob

beforestartinginstallation.

 Allowforthermalexpansionofthehottube.

 Installthegasconnectoronlyasshownininstructions(see

Figure14onpage17).

 Haveslipjointswhererequiredbetweenreflectorstokeep

themfrombucklingorcomingapart.

 Provide1sq.inchoffreeairopeningtoeach1,000BTU/hr.

ofheaterinput(butnotlessthan100sq.inches)inenclosed

spaces.Oneopeningshouldbewithin12inchesofthetop

andonewithin12inchesofthebottomoftheenclosure.

FIGURE 2: Ener-Radiant XL Overview

Vent Adapter

Usedtoattachtheheat

exchangertubingtoventpipe.

8

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

HANGER HANGER

18” 18”

10’ 2-1/2” ALUMINIZED

ALUMINIZED

FIGURE 2B: Ener-Radiant XL Model ERXL-60, ERXL-80, Assembly Overview

20 ft. Exchanger length. 21 ft. - 4 in. Total Heater length. 4 Suspensin points indicated.

FIGURE 2A: Ener-Radiant XL Model ERXL-40

10 ft. Exchanger length. 11 ft. - 4 in. Total Heater length. 2 Suspension points as indicated.

HANGER HANGER HANGER HANGER

18” 18” 18” 18”

10’ 2-1/2” 10’ 2-1/2”

ALUMINIZED

2-1/2” OVERLAY TYP

(1) Turbulator Sections

ALUMINIZED

FIGURE 2D: Ener-Radiant XL Model ERXL-100 Assembly Overview

30 ft. Exchanger length. 31 ft. - 4 in. Total Heater length. 6 Suspension points as indicated.

FIGURE 2C: Ener-Radiant XL Model ERXL-80, Assembly Overview

30 ft. Exchanger length. 31 ft. - 4 in. Total Heater length. 6 Suspension points as indicated

18” 18” 18” 18” 18” 18”

10’ 2-1/2” 10’ 2-1/2” 10’ 2-1/2”

(1) Turbulator Sections

HANGER HANGER HANGER

Typ.

HANGER

ALUMINIZED ALUMINIZED

9' Long Turbulator Section

10' Long Turbulator Section

5' Long Turbulator Section

10' Long Turbulator Section

9Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

FIGURE 2E: Ener-Radiant XL Model ERXL-100, ERXL-125

40 ft. Exchanger length. 41 ft. - 4 in. Total Heater length. 8 Suspension points as indicated.

FIGURE 2F: Ener-Radiant XL Model ERXL-125, ERXL-150, ERXL-175

50 ft. Exchanger length. 51 ft. - 4 in. Total Heater length. 10 Suspension points as indicated.

FIGURE 2G: Ener-Radiant XL Model ERXL-150, ERXL-175

60 ft. Exchanger length. 61 ft. - 4 in. Total Heater length. 12 Suspension points as indicated.

10’ 2-1/2” 10’ 2-1/2” 10’ 2-1/2”

10’ 2-1/2”

18”

Typ.

ALUMINIZED ALUMINIZED ALUMINIZED ALUMINIZED ALUMINIZED

18” 18” 18” 18” 18” 18” 18” 18” 18”

10’ 2-1/2” 10’ 2-1/2” 10’ 2-1/2”

18”

Typ.

ALUMINIZED ALUMINIZED ALUMINIZED ALUMINIZED ALUMINIZEDALUMINIZED

18” 18” 18” 18” 18” 18” 18” 18” 18” 18” 18”

ALUMINIZED ALUMINIZED ALUMINIZED ALUMINIZED

18”

Typ.

18” 18” 18”

10’ 2-1/2” 10’ 2-1/2” 10’ 2-1/2” 10’ 2-1/2”

18" 18" 18" 18" 18" 18" 18"

10

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

FIGURE 3: Ener-Radiant XL Dimensions & Suggested Mounting Heights

(someModels)

Turbulator

HeatExchanger Tubing (someModels)

Turbulator

HeatExchanger Tubing

MinimumTotalLength(seechartbelow)

Burner Side View

Burner Ratings and Heat Exchanger Lengths: (NG and LP) Suggested Mounting Heights

Model # Rate (BTU/Hr.) Heat Exchanger

Length Turbulator Minimum

Total Length

Suggested

Min. Space

Typical

Mounting

Height Spot

ERXL-40 40,000 10ft. 9ft. 10'-4' 8'-10' 10’-14'

ERXL-60 60,000 20ft. 10ft. 21'-4' 10’-12’ 10’-14’

ERXL-80 80,000 20ft. 10ft. 21'-4' 12’-15’ 12’-15’

ERXL-80 80,000 30ft. 10ft. 31'-4' 12’-15’ 12’-15’

ERXL-100 100,000 30ft. 5ft. 31'-4' 12’-15’ 12’-15’

ERXL-100 100,000 40ft. None 41'-4' 15’-18’ 12"-15'

ERXL-125 125,000 40ft. None 41'-4' 15’-20’ 14’-19'

ERXL-125 125,000 50ft. None 51'-4' 15’-18’ 14’-19'

ERXL-150 150,000 50ft. None 51'-4' 20’-23’ 15’-25'

ERXL-150 150,000 60ft. None 61'-4' 20’-25’ 15’-25'

ERXL-175 175,000 50ft. None 51'-4' 20’-23’ 15’-25'

ERXL-175 175,000 60ft. None 61'-4' 20’-25’ 15’-25'

Burner Rear View

9.25"(23.49cm)

17.75"(45.08)

11 Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

Couplings: Tubeandtubefittingsareconnectedbywrap-

aroundcouplingswhichclampbymeansof

atapered,hammer-drivenlockmember.The

startingendsofthecouplingandlockmember

areidentifiedby1/4”holeswhichareput

togetherwhenstartingassembly.Besurethe

tubeendsareinlineandtubeendsbuttagainst

stoppin(s)insidecoupling.Theslidebaristobe

hammer-driventoapointofsecuringthecoupling

snuglytothetubes.Over-drivingwillresultin

distortionofthecouplingorslidebarliptoa

pointdecreasingtheholdingthecapabilityofthe

coupling.(SeeFigure4)

ElbowFittingDimensions

FIGURE 5: Installation of Elbow & Coupling

ElbowPackage: Stk.#F106415ElbowPackageincludes:

  (1)elbow,(1)coupling.Installelbow

intoradianttubesequencewhereplans

indicatea90°bend(seeFigure4).

U-TubeFittingDimensions 180°U-Tube

Stk.#i ncludes:F106414U-TubePackage

radianttubesequencewhereplans

indicatea180°bend

(seeFigure4).

COUPLING ASSEMBLY

Plain Coupling - 14612

Key for Coupling - 14616

Tighten

Loosen

Hole 1

Coupling

Assembly

Impact

Block

Hole 2

Whenassemblingcouplingnote

thelocationofHole1andHole2

Orientcouplingsothat

theimpactblockisabove

tubecenterline.

TUBECOUPLING

KEYforCOUPLING

FIGURE 4:

(38.73 CM)

(15.24 CM)

18" (45cm)

10"

(25cm)

(10cm)

(43cm)

9" (22cm) Radius

90°

(1) U-tube, (1) coupling

Install U-tube elbow into

12

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

A

Chainkit-Stk.#17370

Onechainkitwillsuspendone10ft.sectionoftubeandone10ft.

sectionofreflector.

FIGURE 7: Tube and Reflector Hanger

FIGURE 7: Mounting Flange / Tube Detail

1) Inserttube06413intofrontcastingtopoint(A).

2) Tighterallsetscrewsmarked(B)untilsnug.

3) Afterbothsetscrewsaresnug,turneach

additional1/4turntosecuretubeinplace.

FIGURE 8: Burner Box / Transition Tube Detail

FIGURE 6: Typical Suspension Details

Locknut

Washer

WoodBeam

Washer

ScrewHook

min.3/8"(10mm)

I-Beam

Beam

Clamp

AsReq'd

S-Hook

BarJoist

Clip

Truss

Concrete

Beam

Anchor

MountingFlange

CapScrew

Stk.98012

SplitLockWasher

Stk.#98527

Gasket

Stk.#12397

Burner Box

(flameobservation

windowfacingdown)

horizontal reflector position (standard)

angle mounting ring

radiant tube

horizontal mounting ring

hanger

reflector

top

side 45° reflector position (optional)

below

FIGURE 9: Reflector End Cap

Partslist



100419ReflectorEndCap(Qty1)

209369SpringClip(Qty4)

FlangeKit#06428XL

KitIncludes:Flange,Screws(4),LockWashers(4),Gasket(1)

B

13 Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

SECTION 4

Engineering Specifications

ThetotalheatingsystemsuppliedshallbedesigncertifiedbyCSA

underANSIZ83.20alatestrevisionandCGA2.34alatestrevision.

A. Burner & Burner Controls

1.Burnersshallbecapableoffiringwithoneofthefueloptionsas

specifiedonthepurchasedocuments:NaturalGasorLP.

2.Burnersshallbesuppliedtofireatanyoneoftheinputratesas

specified.

ERXL-40 40,000BTU/Hr. ERXL-125125,000BTU/Hr.

ERXL-60 60,000BTU/Hr. ERXL-150150,000BTU/Hr.

ERXL-80 80,000BTU/Hr. ERXL-175175,000BTU/Hr.

ERXL-100 100,000BTU/Hr.

3.Burnershallbeequippedwithadirectsensesilicon-carbidehot

surfaceignitioncontrolsystemwith100%shut-offignitiondevice.

Powersuppliedtoeachheatershallbe120V,60Hz,singlephase.

Burnersshallberatedfor1.0Amp(run)and5.0Amp(start.)

4.Burnershallbeequippedwiththermaloverloadmotor

protection,balancedairrotor,combustionairprovingsafety

pressureswitch,andviewingwindowforflameobservation.

5.Whenspecified,incontaminatedenvironments,theburnershall

becapableofsupplyingoutsideairtoeachburnerforthesup-

portofcombustion.

6.Allburnersshallbepre-wiredwithagroundedelectrical

cordandplug.

7.Atcustomer’schoice,burnersmaybecontrolledwitheither

anoptionallinevoltagethermostatorbyoptionallowvoltage

thermostatswithanappropriatelowvoltagetransformerrelay.

8.Gassupplytotheburnersshallconformtothefollowing:

 1/2”NPTgasconnectorsize

 NaturalGas: 4.6”W.C.MIN,7.0”W.C.MAX

 LPGas: 11”W.C.MIN,14.0:W.C.MAX

B. Heat Exchanger

1.Radianttubingshallbe4”diameteraluminizedsteelsuppliedin

10ft.sections.Sectionsshallbejoinedwithstainlesssteelwrap-

aroundcouplings.

2.Reflectortobeofaluminummaterialanddesignedtodirectall

radiantoutputbelowhorizontalcenterlineofradianttube.

3.Heatersshallbeventedaccordingtomanufacturer’s

recommendations.

Gas pressure at MANIFOLD:

Natural Gas: 3.5” W.C.

LP Gas: 10.5” W.C.

1/2”NPTGasConnectorSize

Gas INLET pressure:

Natural Gas: 4.6” W.C. Min

11.0” W.C. Max

LP Gas: 11.0” W.C. Min

14.0” W.C. Max

1/2”NPTGasConnectorSize

Electrical Rating:(AllModels)

120V-60Hz

1.0AMP(Run)5.0AMP(Start)

Dimensions:

Flue Connection Size…………………4”

Outside Air Connection Size………4”

14

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

COMMON VENTING - (2) Heaters (Horizontal and Vertical)

Model# H=6ft. H=8ft. H=15ft.

ERXL-40 D=7" D=6" D=6"

ERXL-60 D=7" D=6" D=6"

ERXL-80 D=8" D=7" D=6"

ERXL-100 D=8" D=8" D=7"

ERXL-125 D=10" D=10" D=8"

ERXL-150 D=10" D=10" D=8"

ERXL-175 D=10" D=10" D=8"

SECTION 5

Venting / Ducting

General Requirements

Thisheatermustbeventedinaccordancewiththespecifications

containedinthismanualandwiththefollowingnationalcodes

andanystate,provincialorlocalcodeswhichmayapply:

•RefertoNationalFuelGasCodeNFPA54/ANSIZ223.1-latest

revision.

•CANADA:RefertoNaturalGasandPropaneInstallationCode

CSAB149.1-latestrevision.

Theheatermaybeventedtotheoutdoorseitherverticallyor

horizontally.

Optionaloutsideairsupplymaybedirectedtotheheater

horizontallyorvertically.

Besurethatthemethodselectedforventingheatercomplies

withallcodesasrequiredforeachparticularlocation

Theuseofsingle-wallventpipe(26gauge)isrecommended.A

sectionofdouble-wallventpipeisrecommendedwhenpassing

throughtherooforwall.

Exhaustendofheaterwillaccepta4'(10cm)ventpipeusing

theventadapter.Installtheventadapterwiththeseamontop,

secureallventjointswithaminimumof3#8x3/8"sheetmetal

screwsandsealalljointsusingahightemperaturesilicone

sealant.

Ifcondensationintheflueisaproblem,thefluelengthshould

beshortenedorinsulated.

Ventpipemustbeslopeddownwardawayfromtheburner

1/4"(.6cm)forever10'(3m).

VENTLENGTHS:

• Maximumtotalventlengthallowedinthirty(30’)feet.

• Maximumoutsideairsupplyductallowedthirty(30’)feet.

• Maximumtotalventlengthplusoutsideairsupplylength

shallnotexceedfifty(50’)feet.

NOTE:

Atotaloftwo(2)elbowsareallowedforventand 

outsideairsupplycombination.Subtract5'feetperadditional

elbowfrommaximumlengthallowedif3ormoreelbowsare

used.

Installaminimum18"(30cm)straightlengthofductforair

intakeorventbeforeanyTeeorelbow.

Alternative Arrangements / Optional Equipment for Venting

Unvented Operation

a) Sufficientventilationmustbeprovidedintheamountof4

CFMper1,000BTU/hr.firingrate.

b) RefertoANSIZ223.1-latestrevision,NFPA-54andlocal

codesforadditionalinformation.

c) Useofoptionaloutsidecombustionairisnotrecommended

withunventedheatersduetopressureconsiderations.Refer

topage16

Horizontal Venting

a) Four(4”)inchO.D.fluepipeisrequired.Thirty(30’)feet

maximumlengthisrecommended.

b) Allfluejointsshouldbesealedusingsuitableproductsuch

asGeneralElectricRTV106orPermatexForm-A-GasketRed

HighTemperatureSiliconeAdhesiveSealant.

c) Donotinstallanyelbowor45fittingtobringventlower

thanthehorizontaltubesystem.

d) Ventterminalshouldbeinstalledataheightsufficientto

preventblockagebysnow.

1) Ventmustexitbuildingnotlessthanseven(7’)feet

abovegradewhenlocatedadjacenttopublicwalkways.

2) Ventmustterminateatleastthree(3’)feetaboveany

forcedairinletlocatedwithintenfeet(10’).

3) Ventmustterminateatleastfour(4’)feetbelow,four

(4’)feethorizontallyfrom,orone(1’)footaboveany

door,window,orgravityinletintoanybuilding.

4)Ventterminalshallbelocatedatleasttwelve(12”)inches

fromanyopeningthroughwhichventgasescouldenter

thebuilding.

5) Ventterminalmustbebeyondanycombustibleover

hang

Vertical Venting

a) Four(4”)inchO.D.fluepipe,maximumthirty(30’)feet

inlengthmaybeusedasshownwithapprovedventcap.

(SeeGeneralRequirementsonthispageforadditional

information.)

b) Aninsulatedthimblemayberequiredtopassthrough

combustiblestructures(checklocalcodes).

c) Allfluejointsshouldbesealedusingsuitableproducts(see

recommendationforhorizontalventing.)

Common Venting

a) Horizontalruntoventmustneverexceed75%ofthevertical

heightofthevent.RefertoANSIZ223.1-latestrevision,

NFA-54forproperventsizesandinstallation.

b) Openareaofcommonventmustequalthesumoftheopen

areaofindividualventsconnectedtoit.(Seechartbelow

anddiagrams-page14.)

c) Usedoublewallventasrequired(checkcodes.)

d) Alljointsmustbesealedusingsuitableproducts.

e) Connectionstocommonstackmustbepositionedtoavoid

directoppositionbetweenstreamsofcombustiongases.

15 Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

FIGURE 12: Common Roof Venting

HORIZONTAL COMMON VENTING

VERTICAL COMMON VENTING

SIDE VIEW

TOP VIEW

Type "B" Vent required outdoors.

Vent Adapter Stk. #19021

At least 1/4" per foot rise or pitch

must be maintained on horizontal

runs from heater to vent.

Roof

Secure all joints with 3 (minimum) #8 x 3/8"

sheet metal screws and seal all joints.

H

Approved Vent Cap

Type "B" Vent required outdoors.

Vent Adapter Stk. #19021

Outside Wall

H

Vent Cap

Flashing

Wall Thimble

(If Applicable)

Burner Box Burner Box

Burner Box

D

Burner Box Burner Box

D

4” Aluminized steel Heat Exchange Tube

Type"B"Ventrequiredoutdoors.

VentAdapterStk.#19021

OutsideWall

Securealljointswith3(minimum)#8x3/8"

sheetmetalscrewsandsealalljoints.

H

VentCap

WallThimble

(IfApplicable)

BurnerBox

D

16

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

FIGURE 10: Unvented Operation

36”

A

1. Ventilationequalto4CFMper1,000BTU/HRfiringratemust

beprovidedinunventedheaterinstallations

2. FordimensionsA"unvented"referto(Figure1-Minimum

ClearancestoCombustibles.)

FIGURE 10A: Single Wall

Singlewallventrun

Singlewallterminalend

FIGURE 10b: Double Wall

Doublewallventrun

Doublewallterminalend

FIGURE 11: Vertical Venting

18"(45cm)

18" (45cm) Min. 3'-0" (91cm) Min.

8"(20cm) to 10"(25cm) Max.

6' (182cm) Min.

18" (45cm) Min. 3'-0" (91cm) Min.

6' (182cm) Min.

2"(5cm) Clearance thimble

required when u pipe

extends through

combustible materials

(91cm)

17 Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

Outside Combustion Air Supply

TheEner-RadiantXLheaterisapprovedforinstallationwith

anoutsideairsupplysystem.Somecompoundssuchas

halogenatedhydrocarbonsorothercorrosivechemicalsinthe

aircanbedrawnintotheequipmentandcauseanaccelerated

rateofcorrosionofsomeoftheheatercomponents.Theuse

ofsuchchemicalcompoundsneartheenclosureshouldbe

avoided.

IMPORTANT: If the building has a slight negative

pressure or contaminants are present in the air, an

outside combustion air supply to the heaters is strongly

recommended.

Foranoutsideairsupply,afour(4”)inchO.D.singlewallpipe

maybeattachedtotheheater.Theductmaybeuptoforty-five

(30’)ft.maximumlengthortwo(2’)ft.minimumlengthwith

nomorethantwo(2)elbows.(SeeGeneralRequirementson

page15foradditionalinformation.)

Theairsupplyductmayhavetobeinsulatedtoprevent

condensationontheoutersurface.Theoutsideairterminal

shouldbesecurelyfastenedtotheoutsidewallbydrillingfour

(4)1/4”diameterholesintheoutsideflange;woodscrewsor

boltsandexpansionsleevesmaybeusedtofastenterminal.

FIGURE 13: Non-Pressurized Outside Air Supply Duct

PVCPipe,“DryerHose”,orequivalentmaybeusedinsteadof

standardventpipe.

SECTION 6

Gas Piping

Readapplicablewarningsin(Section1)beforeproceedingwith

GasPipeinstallation.Improperinstallationmayresultinproperty

damage,severeinjury,ordeath.

Meterandservicemustbelargeenoughtohandlealltheburners

beinginstalledplusanyotherconnectedload.Thegaslinewhich

feedthesystemmustbelargeenoughtosupplytherequiredgas

withamaximumpressuredropof1/2”watercolumn.Whengas

pipingisnotincludedinthelayoutdrawing,thelocalgassupplier

willusuallyhelpinplanningthegaspiping.

A1/2”tappingateachburnerlocationmustbelocatedandoriented

asshownin(Figure14).Tochecksystempressure,putaplugged

1/8”NPTtappinginthegaslineattheconnectiontotheburner

farthestfromthesupply.Beforeconnectingtheburnerstothe

supplysystem,verifythatallhighpressuretestingofthegaspiping

hasbeencompleted.Donothighpressuretestthegaspipingwith

theburnersconnected.

Followtheseinstructionstoensureaprofessionalgassupply

installation:

• Supportallgaspipingwithsuitablepipehanging

materials.

• Usewroughtironorwroughtsteelpipeandmalleable

ironfitting.Allpipefittingsshouldbenewandfree

fromdefects.Carefullyreamthepipeandtubingends

toremoveobstructionsandburrs.

• UseL.P.gas-resistantjointcompoundonallpipe

threads.

• Checkthepipeandtubingendsforleaksbefore

placingheatingequipmentintoservice.When

checkingforgasleaks,usesoapandwatersolution:

NEVER USE AN OPEN FLAME.

Installtheflexgasconnectorasshown.Theflexgasconnector

accommodatesexpansionoftheheatingsystemandallowsforeasy

installationandserviceoftheburner.

FIGURE 14: Gas Line Connection with Stainless Steel Flex Gas

Connector

Shut-OffValvemustbeparallel

toburnergasinlet.The2”

displacementshownisforthecold

condition.Thisdisplacementmay

reducewhenthesystemisfired.

Shut–offValve

12 "

2"

1/2"StainlessSteelFlexGasConnector

Stk.#16401

90°

45°

0°

45°

4" (10 cm)

Seal All Joints

4"

Heater Movement

Outside Air

Terminal

Flex Pipe

6" (15 cm) to

12" (30 cm) Long

Flex Pipe

6" (15 cm) to

12" (30 cm) Long

Flex Pipe

6" (15 cm) to

12" (30 cm) Long

Outside Air

Terminal

NOTE:

Flue pipe requires additional

support. Flex pipe will not

support riser and outside

air terminal

Vertical Outside Air

Horizontal Outside Air

FIGURE 14A: Incorrect Gas Line Connection with Stainless

Steel Flex Gas Connector

18

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

SECTION 7

Wiring

Heatersarenormallycontrolledbythermostats.Linevoltage

thermostatsarewireddirectly(seeFigure15),24Vthermostatsare

wireddirectlyusingtheterminalsonburnerbox(seeFigure16).

HeatersmustbegroundedinaccordancewiththeNationalElectric

CodeANSI/NFPA-70orcurrentCanadianElectricalCode,CSA

C22.1.Heatersmayalsobecontrolledwithamanuallinevoltage

switchortimerswitchinplaceofthethermostat.

FIGURE 15: Line Voltage Thermostat Wiring

T

H

N

120v – 60 Hz

White

Green

Supply Circuit

120v – 60 Hz

Supply Circuit

Burners

(Maximum – 2 per Thermostat)

Burners

(Maximum – 1 per Thermostat)

Black

H

N

T

FIGURE 16: Low Voltage Thermostat Wiring

T

H

N

120v – 60 Hz

White

Green

Supply Circuit

120v – 60 Hz

Supply Circuit

Burners

(Maximum – 2 per Thermostat)

Burners

(Maximum – 1 per Thermostat)

Black

H

N

T

FIGURE 17: Ener-Radiant XL Burner Internal Wiring

• Ifanyoftheoriginalwireassuppliedwiththe

appliancemustbereplaced,itmustbereplacewith

wiringmaterialhavingatemperatureratingofatleast

105°Cand600volts.

• Eachburnermustbeelectricallygroundedin

accordancewiththeNationalElectricCodeANSI/NFPA

-70orcurrentCanadianElectricalCode,CSAC22.1.

FIGURE 18: Ener-Radiant XL Burner Internal Wiring Ladder

Diagram

VAC

120

120V 24V

Black

Purple

Yellow

Black

Green

Orange

Transformer

White

THERMOSTAT

White

Blue

Gas Valve

Air Switch

Ignitor

Sensor

Motor / Blower Door Switch

Terminal

Bushing

120V

L2

(NEUTRAL)

White

Gray

Orange

Transfomer

Thermostat

Air Switch

Gas Valve

Door Switch Motor / Blower

Ignitor

Sensor

Blue

Yellow

Purple

Black

L2 (HOT)

24V

19 Operating Instructions and Owner’s ManualEnerco | Heatstar ERXL Series Heater

9. Aqualifiedserviceagencyshouldbecontactedforservice

otherthanroutinemaintenance.

10. Checkventterminalandfreshairinlettoseethattheyhave

notbeenblockedduringthenon-heatingseason.Ifeither

pipeisrestricted,theairswitchwon’tclose,resultingina

no-heatsituation.

Troubleshooting

  CAUTION:BeforeopeningtheEner-RadiantXL

burnerdoorforanytypeofservice,besure

thegassupplyhasbeenshutoffattheheater

andtheelectricalcordfromtheburnerbox

hasbeenunplugged.

Blower Motor 1.Isthethermostatcallingforheat?Isthere

Fails to Run: 115Vattheburnerreceptacle?

  2.Checkblowersidedoorforseal.Checkdoor

switch.Replaceifnecessary/

  3.Checkblowerforobstructions.Replace

blowerifnecessary.

Igniter 1.Checkigniterfordamage.Replaceif

Does Not Glow: necessary.

  2.Checkvoltageandresistanceatigniter.

(Voltageshouldbe115V.Resistanceshould

be40-75ohms.)

  3.Checkforobstructionstotheairinletand

outlet.

  4.Checkwiringandhoseconnectionstothe

airswitch.Replaceifnecessary.

  5.Checkvoltagesattransformerprimaryand

secondary.Replacetransformerormoduleif

necessary.

Valve Does Not Gaspressuredownstreamofgascontrolcan

Come On: bemeasurebyusingamanometerand

connectingtopressuretaponcontrol/

  1.ChecktoseeifmanualvalveheaterisON.

  2.Checktoseeifmanualvalveknobonheater

gascontrolinON.

  3.Supplygaspressurecanbecheckedat1/8”

NPTpressuretappingonheaterexternal

manualvalve.

  4.Checktoseeifgascontrolisopening:no

manifoldpressureindicatesvalveisclosed.

  Ifthevalveisclosed,eitherthegasvalveor

theignitionmoduleisfaulty.

WARNING:Donotdisconnectgroundleads

insideheater.Donotinterchangegrounded

andungroundedleadsontransformeror

ignitionmodule.

Burner Does Not 1.Checktoseeifgaslineswereproperly

Light: purgedofair.

  2.Checkinletandoutletgaspressureduring

ignitionperiod.

  Naturalinletpressureshouldbe4.6”

  Naturaloutletpressureshouldbe3.5”

  LPinletpressureshouldbe11.0”

  LPoutletpressureshouldbe10.25”

  3.Checkforproperorificeandairplate.

SECTION 8

Operation & Maintenance

Sequence of Operation

1. Turnthethermostatup.Whenthethermostatcallsforheat,

blowermotorwillenergize.

2. WhenthemotorapproachesnominalrunningRPM,theair

provingswitchclosesandactivatestheignitionmodule.

3. Theignitionmodulethenenergizesthehotsurfaceigniterfor

atimedwarm-upperiod(approximately45to60seconds.)

4. Afterthewarm-upperiod,thegasvalveisenergized.

5. Duringthelastpartofthesequence,theigniterisde-

energizedandisconvertedtoaflamesensingrod.

6. Ifaflameisdetected,thegasvalveremainsopen.Whenthe

callforheatissatisfied,andthesystemcontrolmechanism

de-energizestheburnerlinevoltagesupply,thegasvalvesare

turnedoff.

7. Ifnoflameisdetectedonasingle-trymodule,thegasvalve

isclosed,andthemodulewilllockoutuntilitisreset.Reset

isaccomplishedbyremovingpowerfromthemoduleforat

leastfive(5)seconds(thermostatcyclerequired.)

8. Ifnoflameisdetectedonathree-trialmodule,thegas

valveisclosed,andapurgeperiodbegins.Afterthepurge,

themoduleactstopowertheigniterforasecondwarm-

upperiod,andasecondtrialforignitionperiod.Ifflameis

stillnotestablished,athirdandfinalpurge,warm-up,and

trialcyclebegins.Afterthreetrials,themodulewilllockout

untilreset.Resetisaccomplishedbyremovingpowerfrom

themoduleforatleastfive(5)seconds(thermostatcycle

required.)

9. Onathree-trialmodule,ifflameisestablishedandlost

onthefirstorsecondtrial,thegasvalveisturnedoff,a

purge,warm-up,andtrialforignitionwilloccuronathree-

trialmodule,onlythreetrialsforignitionareallowedper

thermostatcycle.

Maintenance

Forbestperformance,thefollowingmaintenanceproceduresshould

beperformedbeforeeachheatingseason:

1. Besuregasandelectricalsupplytoheaterareoffbefore

performinganyserviceormaintenance.

2. Checkconditionofblowerscrollandmotor.Dirtanddust

maybeblownoutwithcompressedair,oravacuumcleaner

maybeused.Whenusingcompressedairdonotexceed30

psiinordertonotdamagefragilehotsurfaceigniter.

3. Checkconditionofburner.Carefullyremoveanydustor

debrisfrominsidetheburnerboxorburnercup.

4. Inspecttheigniter.Replaceigniterifthereisexcessivecarbon

residue,erosion,breakageorotherdefects.

5. Checktheinsideofthefiringtubewithaflashlight.Ifcarbon

orscalearepresent,scrapeoutthedepositswithawire

brushorrod,ormetalplateattachedtoawoodenpole.

6. Checktoseethattheburnerobservationwindowisclean

andfreeofcracksorholes.Cleanorreplaceasnecessary.

7. Checkthefluepipeforsootordirt.Aftercleaningas

necessary,re-attachthefluepipetotheheater.

8. Outsidesurfacesofheatermaybecleanedbywipingwitha

dampcloth.

20

Enerco | Heatstar ERXL Series Heater Operating Instructions and Owner’s Manual

Burner Does Not 1.Checkgroundwirecontinuity.

Stay Lit: 2.Checkburnerinternalwiringforreversed

leads.

  3.Checkinsulationontheigniterleads.

  4.Replacemoduleifnecessary.

Honeywell Valve LED Status

TheEner-RadiantXLseriesTubeHeaterisequippedwithahoneywell

SmartValve.Thisvalvehasabuilt-indiagnosticprogram,whichwill

assistintroubleshootingintheeventofavalve-relatedproblem.The

LEDor(LightEmittingDiode)islocatedonthetopofthevalveas

shownindiagrambelow.TheLEDstatusindicationsarelistedbelow

tohelpwiththetroubleshooting.

FIGURE 19:

OFF INDICATED

Off Nopowertothecontrol

Bright-Dim Normaloperation.

 Thisindicationshowswheneverthesystemis 

 powered,unlesssomeabnormaleventhasoccurred.

2-Flashes Airflowprovidingswitchremainsclosedlongerthan

 30secondsaftercallforheatbegins(airproviding 

 switchstuckclosed.)

3-Flashes Airflowprovidingswitchremainsopenlongerthan30

 secondsaftercombustionairblowerisenergized-or

 blowerdoesnotenergize.

4-Flashes Whitejumperwireisloose.

5-Flashes Flamesignalsensedoutofpropersequence.

6-Flashes SystemLockout.

LED

HoneywellSmartValve

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