HeatStar ER2STG125-LP Owner's manual

Brand: HeatStar

Model: ER2STG125-LP

Category: Space heaters

Type: Owner's manual

This manual is also suitable for

— 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.

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#

2STG

LANGUAGES INCLUDED

•ENGLISH

•FRENCH

•SPANISH

Heatstar ER2STG

Gas-Fired Low-Intensity Infrared Heaters Approved For

Commercial Applications

ER2STG60-100

ER2STG80-125

ER2STG125-175

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.

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.

WARNING:

THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS

INCLUDING LEAD AND LEAD COMPOUNDS, WHICH

ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE

CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE

HARM. FOR MORE INFORMATION VISIT WWW.

P65WARNINGS.CA.GOV

WARNING: Fuels used in liquefied propane

gas appliances, and the products of combustion of such

fuel, can expose you to chemicals including benzene,

which is known to the state of California to cause cancer

and cause birth defects or other reproductive harm, for

more information go to www.P65Warnings.ca.gov

CONTENTS

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

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

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

Section4ENGINEERINGSPECIFICATIONS...............................12

Section5VENTING/DUCTING…………………………………………13

Section6GASPIPING..............................................................16

Section7WIRING....................................................................17

Section8OPERATIONMAINTENANCE.....................................18

Section8TROUBLESHOOTING.................................................20

Section9REPLACEMENTPARTS..............................................23

WARRANTYINFORMATION.....................................................24

Enerco | Heatstar ER2STG Tube Series Heater Operating Instructions and Owner’s Manual

Checking Shipment

SECTION 1:Introduction

HeatstarER2STG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.

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ER2STG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.

3Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

SECTION 2: Planning

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

planningtheinstallationoftheHeatstarER2STG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Stan-

dard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in-

stalled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,move-

able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com-

bustiblesmustbemaintainedfromtheuppermostpoint

onthehoist.

Venting:

Theventingmustbeinstalledinaccordancetothelatest

revisionofANSIZ223.1orCSA149.1.Partialinformation

withregardtothiscodeisprovidedin(Section5)ofthis

installationmanualwithregardtosizeandconfigura-

tionsforventingarrangements.

• Anyportionoffluepipepassingthroughacombus-

tiblewallmustbedualinsulatedorhaveanapproved

thimble.RefertotothelatestrevisionofANSIZ223.1or

CSA149.1

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ER2STG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sur-

face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install-

ers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sus-

pensionsystemissufficientlyflexibletoaccommodate

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

(seeFigure6onpage11).

• 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stack-

ingheighttomaintainrequiredclearancestocombus-

tibles.

•Planlocationsupports(seeFigure2A-D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accor-

dancewiththeNationalElecticalCode,ANSI/NFPA70

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

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

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

Reflector Type Position ER2STG-100 ER2STG-125 ER2STG-175

Standard

Reflector

(Horizontal)

6”

36”

74”

36”

6”

36”

87”

36”

8”

36”

87”

36”

45°ReflectorTilt

18”

36”

74”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

U-TubeStandard

(Horizontal)

6”

36”

74”

36”

6”

36”

87”

36”

8”

36”

87”

36”

U-TubeOpposite

45°

18”

36”

74”

60”

18”

36”

87”

60”

18”

36”

87”

60”

U-TubeFull45°

18”

36”

74”

36”

60”

18”

36”

87”

36”

60”

18”

36”

87”

36”

60”

Unvented AboveA 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.

Clearances To Combustibles

5Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

STANDARD REFLECTOR

45 DEGREE REFLECTOR TILT

U-TUBE OPPOSITE 45 DEGREE

U-TUBE STANDARD

U-TUBE FULL 45

FRONT AND BACK CLEARANCE

Clearances To Combustibles

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

STANDARD REFLECTOR

“U”-Tube,Standard

“U”-Tube,Opposite45°

C C

“U”-Tube,Full45°

FrontandBackClearance

SECTION 3: Installation & Assembly

TUBECOUPLING(14612)

KEYFORTUBECOUPLING

(14616)

TUBEHANGER

(14585P)

HEATEXCHANGERTUBE10'

(06413)

TURBULATORBAFFLE5'(03447)

**NOTINCLUDEDWITHALLMODELS**

REFLECTOR10'

(00418A)

VENTADAPTER

(19021)

BURNERBOX

7Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

Vent Adapter

Usedtoattachtheheat

exchangertubingtoventpipe.

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.

Burner Housing

Mustalwaysbe

installedhorizontally.

Tube and Reflector Hanger

Installimmediatelyafterfirst

coupling.

Turbulator

The60-100kER2STGutilizesa5'turbulatorwhen

operatingwitha30'tubeset

Theturbulatorislocatedattheendofthe3rdtube

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.

AssembletheheatercomponentsasshowninFigures2a,2b,2c,2d,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.

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

codes.

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16).

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: Heatstar ER2STG Overview

FIGURE 2A: Heatstar Model ER2STG 60-100 Assembly Overview

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

FIGURE 2B: Heatstar Model ER2STG 80-125 or ER2STG 60-100

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

FIGURE 2C: Heatstar Model ER2STG 80-125 or ER2STG 125-175

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

FIGURE 2D: Heatstar Model ER2STG 125-175

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

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”

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”

(1) TURBULATOR SECTION (5')

9Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

FIGURE 3: Heatstar ER2STG Dimensions & Suggested Mounting Heights

Turbulator

HeatExchanger Tubing

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.)

Low-High

Heat Exchanger

Length Turbulator Minimum

Total Length

Typical

Mounting

Height

ER2STG

60-100

60-100,000 30ft. 5ft. 31'4"12’-15’

60-100,000 40ft. None 41'4"12"-15'

ER2STG

80-125

80-125,000 40ft. None 41'4"14’-19'

80-125,000 50ft. None 51'4"14’-19'

ER2STG

125-175

125-175,000 50ft. None 51'4"15’-25'

125-175,000 60ft. None 61'4"15’-25'

Burner Rear View

9.25"

(23.49cm)

9.25"(23.49cm)

17.75"(45.08)

(IFNECESSARY)

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)

90°Elbow

ElbowFittingDimensions

FIGURE 5: Installation of Elbow & Coupling

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

(1)elbow,(1)couplingand(1)refelctor.

Installelbowintoradianttubesequence

whereplansindicatea90°bend

U-TubeFittingDimensions 180°U-Tube

Stk.#i ncludes:

F106414U-TubePackage

(1)U -tube,(1)couplingand(2)

radianttubesequencewhereplans

indicatea180°bend

COUPLING ASSEMBLY

Coupling (Less Key) - 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

11 Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

Chainkit-Stk.#17370

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

sectionofreflector.

FIGURE 7A: Tube and Reflector Hanger

FIGURE 7B: Mounting Flange / Tube Detail

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

2) Tightensetscrewsmarked(B)untilsnug.

3) Afterall(3)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)

SECTION 4

Engineering Specifications

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

underthelatestrevisionofANSIZ83.20andCSA2.34.

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.

ER2STG60-100 60,000-100,000BTU/Hr.

ER2STG80-125 80,000-125,000BTU/Hr.

ER2STG125-175 125,000-175,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protec-

tion,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. Lowvoltage2-stagethermostatrequiredforcorrect2-stage

burneroperation.

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 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”

MANIFOLD PRESSURE

ER2STG 60-100

LOW FIRE

( MIN. RATE)

HIGH FIRE

(MAX RATE)

NATURALGAS-INCHESW.C. 1.3" 3.5"

PROPANE-INCHESW.C. 3.5" 10.5"

MANIFOLD PRESSURE

ER2STG 80-125

LOW FIRE

( MIN. RATE)

HIGH FIRE

(MAX RATE)

NATURALGAS-INCHESW.C. 1.7" 3.5"

PROPANE-INCHESW.C. 4.2" 10.5"

MANIFOLD PRESSURE

ER2STG 125-175

LOW FIRE

( MIN. RATE)

HIGH FIRE

(MAX RATE)

NATURALGAS-INCHESW.C. 2.2" 3.5"

PROPANE-INCHESW.C. 5.8" 10.5"

Gas pressure at MANIFOLD:

1/2”NPTGasConnectorSize

13 Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

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

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.

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

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

ER2STG60-100 D=8" D=8" D=7"

ER2STG80-125 D=10" D=10" D=8"

ER2STG125-175 D=10" D=10" D=8"

Horizontal Venting

This heater, when horizontally vented, must be installed with the

approved venting system. For horizontal venting installations these

tube heater are certified as a category III appliance.

This heater, when vertically vented, must be installed with the

approved venting system. For vertical vent installations, ER2STG

60-100 model and ER2STG 80-125 model are category I

appliances. The ER2STG 125-175 model is only Category I when

vented vertically with 6" (15.25cm) diameter vent pipe.

FIGURE 12: Common Roof Venting

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.

VentCap

WallThimble

(IfApplicable)

BurnerBox

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.

Approved Vent Cap

Type "B" Vent required outdoors.

Vent Adapter Stk. #19021

Outside Wall

Vent Cap

Flashing

Wall Thimble

(If Applicable)

Burner Box Burner Box

Burner Box

Burner Box Burner Box

4” Aluminized steel Heat Exchange Tube

15 Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

FIGURE 10: Unvented Operation

36”

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.)

3. Thisheaterrequiresventilationinthebuildingtodilutethe

productsofcombustionandprovidefreshairforefficient

combustion.

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.

FIGURE 10A: Single Wall

Singlewallventrun

Singlewallterminalend

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

6' (182cm) Min.

2"(5cm) Clearance thimble

required when u pipe

extends through

combustible materials

(91cm)

VentAdapter

Outside Combustion Air Supply

TheHeatstarER2STG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thirty

(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.

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

standardventpipe.

FIGURE 13: Non-Pressurized Outside Air Supply Duct

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 "

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

Stk.#16401

90°

45°

0°

45°

4" (10 cm)

Seal All Joints

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

17 Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

THERMOSTAT CONNECTION

24V

LOW HEAT

HIGH HEAT

TUBE BURNER CONNECTIONS INTERNAL THERMOSTAT WIRING

SECTION 7

Wiring

Heatersarenormallycontrolledbythermostats.Heatersmustbe

electricallygroundedinaccordancewiththeNationalElectrical

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

C22.1.

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

bereplaced,itmustbereplacedwithwiringmaterialhavinga

temperatureratingofatleast105°Candratedfor600V

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

theNationalElectriccodeANSI/NFPA-70-latestversion NOTE:

• Connectingthetoptwoterminalsofthebushing

locatedatthebottomleftofthebackofthe

burnerboxwillgiveyoulowfire

• Connectallthreeoftheterminalsforhighheat

Earth Ground

PCB1

S1/240

S1/120

S2/FS

PSW

MV1

GRND

blk

grn

Pressure Switch

24 V

SW1

blk

grn

Primary

Secondary

FC+ FC-

LED

F2/IND

F1/120

red

To Thermostat

24V

W1 W2

grn

red

grn

brn

red

Flame Sense

Burner

HSI

blk

yellow

SW1 - Panel Interlock Switch

C1 - 1.5 ufd @ 450 volts

Wire is AWG18 Stranded @ 600 volts - 105 degrees C

Crimp Caps are # CE5 - 105 degrees C

(Neutral Connection Not Needed in this Configuration)

blue

24 VAC

blk

grn

WIRING DIAGRAM

BURNER BOX CONNECTION INTERNAL THERMOSTAT WIRING

FIGURE 18A

FIGURE 18B

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. 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.

6. 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.)

7. 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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.

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.

SECTION 8

Basic Operation of 2-Stage Tube Heater

•UnitfiresatratesdesignatedasLowandHigh

• Firerateisdeterminedbythermostat

InitialStart:

Ifthermostatismorethan2degreesabovetheroom/

spacetemperature,theheaterwillstartandgointohighfire

range.Theunitwillstayinthehighrangeuntilthespaceair

temperaturereachesthethermostatset-point.Theheaterwill

shutoff.

Astheroom/spaceairtemperaturedecreasesbelowthe

thermostatsetpoint(approximately1degree)theheaterwill

comeonandfireuntilthethermostatsetpointisreached.

Iftheroom/spaceairtemperatureexperiencesarapid

decreaseinairtemperature(below3degreesfromsetpoint)

theheaterwillcomeonandfireatthehighrateuntiltheset

pointisreached.

LADDER DIAGRAM

24V

Panel Interlock

F2/IND

F1/120

(Control PCB)

HSI

L1 S1/120

(Control PCB)

PCB

S2/FSL1

Burner

Flame Sense

115V

PCB

PSW

Pressure Switch

T'Stat

MV1

(Control PCB)

Gas

Valve

Earth &

Chassis Ground

FIGURE 18C

Operation & Maintenance

HIGH ALTITUDE

Heaters may be fired at full input up to 2000 ft. (610m) above sea level. Above 2000 ft. (610m) a high altitude conversion kit may be required

to ensure proper burner performance, please consult the manufacturer. Be prepared to answer factory questions regarding: type of fuel for the

proposed appliance conversion, gas pressure available at site, and specific altitude at site. The conversion shall be carried out by a

manufacturer’s authorized representative, in accordance with the requirements of the manufacturer, provincial, or territorial authorities having

jurisdiction and in accordance with the requirements of the CSA B149.1 or CSA149.2 installation codes.

19 Operating Instructions and Owner’s ManualEnerco | Heatstar ER2STG Tube Series Heater

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. Cleanorreplaceflamesensor.

5. Replacemoduleifnecessary.

IGNITION MODULE LED Status

TheHeatstarER2STGseriesTubeHeaterisequippedwithaIgnition

module.Thisignitionmodule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ignition

moduleasshownindiagrambelow.TheLEDstatusindicationsare

listedbelowtohelpwiththetroubleshooting.

FIGURE 19:

Off Nopowertothecontrol

ON ControlFault

1-Flashes AirflowFault

2--Flashes FlameSenseFault

3-Flashes IgnitionLockout.

Troubleshooting

CAUTION:BeforeopeningtheHeatstar

ER2STG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: 120V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120V.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setaccording

tochartonpage12.

LPinletpressureshouldbe11.0”

LPoutletpressureshouldbesetaccordingto

chartonpage12.

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

IGNITION MODULE

LED

SECTION 8: Troubleshooting Guide. Heatstar ER2STG

START

Turnonthermostat

Doesblowerturn

on?

Yes

Doestheigniter

warmupandglow

red?

Yes

CheckThermostat

andWiring.Isthe

powersupplytounit

120V?

Findthesource

oftheelectrical

problem

CheckLEDindicatoronIgnitionControlfor

indicationoffault.RefertoIgnitionModule

testingonpage19todetermineproblem.

No Istheairintakeor

exhaustblocked?

Yes

RemoveObstruction

Checkwiringand

connections

No Istheignitor

damaged?

Checkvoltageat

ignitor.Isit120V

duringignition

cycle?

Yes Isblowersidedoor

inplace?

Replacedoor

No

Checkwiringand

hoseconnectionto

airswitch.Arethey

OK?

Yes

Isthevoltageat

thetransformer

secondary24V?

No

Isthevoltageatthe

transformerprimary

120 V

Replaceignitor.

Yes

Istheresistance

throughigniter40

to75ohms?

Removedoor.Is

voltageatdoor

switch120?

Yes

Checkvoltageat

IgnitionControl

Replacewiringand/

orhoseconnection.

No

Jumperwiresat

pressureswitch.

Doestheignitor

glowred?

Yes

ReplacetransformerYes

Checkwire

connections.

Yes

Depressswitch.

Doesblowercome

on?

Yes Yes

Checkvoltageto

motor.Isit120V?

Yes

Istheblowerfan

obstructed?

Replaceblower

motor.

Replacepressure

switch.

Yes

ReplaceIgnition

Module.

No

CheckLEDindicatoronIgnitionModulefor

indicationoffault.RefertoIgnitionControl

testingonpage19todetermineproblem.

Checkdoorfit.If

damaged,replace

door.

Replaceswitch.

No

Removeobstruction

Yes

Afterignitorwarm-

upperiod,doesthe

valveclick?

Yes

Doestheburner

light?

Yes

Doestheburner

stayon?

Yes

Doestheburner

rununtilthecall

forheatends?

Ifaproblemstillexists,contactEnercoGroup,IncTechnicalProducts

CustomerService1-866-447-2194

No

TheIgnitionModulechecksthestatusoftheblowerprovingswitchcontactsmustseeachangeinthe

contactwitheveryfiringcycle.Placingajumperattheswitchoutofsequencewillresultinafaultwith

theLEDindicatorflashingtwotimes.

Werethegaslinespurgedofair?

No No

Yes

Checkinletgaspressure.Ispressurecorrect?

Refertopage12forcorrectpressureforunit.

Yes

Checkinletgasshutoff.Adjustregulator.

Contactgassupplier

Isthecontinuityof

thegroundwire

OK?

No

Theswitchonthegasvalvemustbeintheon

positionandthelinepurgedofair.

Repairwiring.

Checkthecontinuityofthegroundwire.

Checkthethermostat.

Checkoutletgaspressureduringignitioncycle.

Refertopage12forcorrectpressure

Yes

Adjusttoproperpressure.

No

AreL1andL2

reversed?

Yes

Repairwiring

Isthewiringatthe

IgnitionModule

OK?

Repairwiring

Istheinsulationon

thesensorleadOK?

Repairwiring

No Yes Yes

Arethewiresto

theIgnitionControl

OK?

Yes

ReplaceIgnition

Module.

No Replace/repairwires.

Yes

Checkforproper

burnerorificeand

airplate.

Isthesensor

positioned

properly?

Yes

Isthesensordirty?

No

ReplaceSensor

No Repair/Replace

Yes

Cleansensor.

Afaultindicationofthreeflashesmayindicate

thattheflamesensingcircuitisnotfunctioning

properly.Performthefollowingseriesofchecks

tocorrecttheproblem.

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HeatStar ER2STG125-LP Owner's manual

Brand: HeatStar

Model: ER2STG125-LP

Category: Space heaters

Type: Owner's manual

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