IBC SFT-199 Bedienungsanleitung
120-241E1 |1
Note
Ifconvertingfromnaturalgastopropane,orderthepropaneconversionpartskit(IBCPart#P-802)
fromyourauthorizedIBCdistributor.
Usethenaturalgasconversionpartskitifthefuelsourceatthesiteusesnaturalgasandthemodulating
tanklesswaterheaterhasbeensetuptooperatewithpropane.Checktheratingplateonthetanklesswater
heatertoseewhichfuelsourcetheparticularappliancehasbeensetupwith.
Usingthisconversionkit,aqualifiedtechnicianwillneedto:
1. Performafuelconversion.
2. Performacombustiontest.
3. Fillintheinformationrequiredonthefuelconversionlabels,andaffixthemtotheapplianceafterthe
conversioniscompleted.
Warning
Disconnect power supply before any wiring/service is performed. Failure to do so could
result in damage to appliance and/or electric shock.This conversion kit shall be installed by
a qualified service agency in accordance with the manufacturer’s instructions and all
applicable codes and requirements of the authority having jurisdiction. If the information in
these instructions is not followed exactly, a fire, an explosion or production of carbon
monoxide may result causing property damage, personal injury or loss of life.
The qualified service agency is responsible for the proper installation of this kit. The
installation is not proper and complete until the operation of the converted appliance is
checked as specified in the manufacturer’s instructions supplied with the kit.
Theappliancewillautomaticallyde-ratethemaximuminputatarateofapproximately2%per1,000’above
4,500’.Thegasvalve'szero-governorwillensurethatthegas-airmixtureisnotaffectedataltitude.
Includedwiththeconversionkit:
Fuel Conversion Kit, LP to NG - Superflow SFT 199
Part # Description Quantity
180-173 NGorifice#660 1
150-175 OrificeO-ring19x2 1
080-224 Ratingplateoverlay 1
080-107 Gasvalveconversionlabel 1
080-245 InstallerIdentificationlabel 1
SFT 199 - Fuel Conversion to Natural Gas
(LP to NG) - P-803
Combustion Test Target Ranges
Figure1Gas valve and fan
TheLowFire(zero-offset)valveadjustmentcaponthegasvalvehasbeenfactoryset.Donotadjustthisscrewin
thefieldunlessindicatedintheseinstructions.
Afterconvertingtheappliancetonaturalgas,acombustion(CO2)readingmustbetakenbyaqualifiedtechnician
usingproperlyfunctioningandcalibratedcombustionanalyzingequipmentandtheresultscomparedtothevalues
inTable1.
Natural Gas High Fire with front cover open Low Fire with front cover open
Max.CO2value 10.1% ActualValueatHighFire
Min.CO2value 9.1% 9.1%
Table 1 - CO2 values at High and Low Fire
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SFT 199 - Fuel Conversion to Natural Gas (LPto NG)- P-803 |3
Fuel Conversion Instructions
Thefollowingproceduremustbecarriedoutbyaqualifiedtechnician.
Model Number Orifice Size
SFT28-199 660
Table 2 Natural Gas Orifice Chart
Alternate Natural Gas Orifices - Calorific values
750-900 BTU/FT3
Model Number Orifice Size
SFT28-199 725
Table 3 Alternative Natural Gas Orifice - calorific values between 750-900 BTU/FT3
To perform a fuel conversion:
1. Turnoffthegassupplyatthegasshut-offvalve.
2. Disconnecttheelectricalpower.
3. Disconnectthegasvalveharnessplugfromthegasvalve.
4. Disconnectthenutatthegasvalveoutlet(topofthegasvalve),andremovetheO-ringandorifice.
5. InsertthecorrectorificeintotheO-ring,andre-installintothenutatthegasvalveoutlet(topofthegas
valve),andthentightenthenut.
6. Restorethegassupplybyopeningthegascontrolvalve.
7. Testforleaksbyusinganapprovedleakdetectionsolutiononalljoints.
8. Poweronthewaterheaterappliance.
Now,carefullyfollowtheproceduresonCombustionTestingandAdjustment.
Combustion Testing and Adjustment
Danger
Acombustiontestchecksthatthegasvalveisoperatingproperlyinthefield.Toperformacombustion
test,youmustbeaqualified,trainedandlicensedgasfitter.
MakingadjustmentstotheIBCgasvalvewithoutaproperlycalibratedgascombustionanalyzerandby
peoplewhoarenottrainedandexperiencedinitsuseisforbidden.Failuretouseananalyzercan
resultinanimmediatehazard.
Model Number High Fire Input
SFT28-199 199MBH
Table 4 - Rated input of a converted appliance
Normalignitionsystemsequenceofoperation:
Theappliance'scontrol,uponacallforDHW,turnsonthecombustionfanforashortpre-purge,thenenergizes
thesparkelectrodeandgasvalvefora5-secondtrialforignition.
Iftheburnerdoesnotlight,theprocessisrepeateduntiltheburnerlightsandflameisdetected.After4
unsuccessfultrialsforignition,theappliancelocksoutandwillneedtobemanuallyresetbypressingtheReturn
Arrow button.
To perform a combustion test and adjustment:
1. Turnofftheappliance’sgasshut-offvalve.
2. WithaTorx15screwdriver,opentheinletgassupplypressuretestportby
turningitsscrew1fullturncounterclockwise.
3. Attachamanometertotheinletpressuretestportandturnongasto
appliance.
Staticmanometerreadingshouldbeideally11"w.c.forpropane.
Minimumandmaximumstaticpressuremustbebetween5"and14"
w.c.Monitorpressurethroughoutthecommissioning(start-up)
procedure.Pressuremaydroopupto1"w.c.athighfire.
4. Tosettheappliancetohighfiremanually,createalargeDHWdemandfortheappliancetoheat.
Allowtheappliancetoignite/runagainstalargeload,tomaintainhighfire.Tosetthehigh-firemanually,
pressandholdtheServiceiconfortwoseconds.ThenwhileholdingtheServiceiconpressthePlusbutton
twice.“H”willshowintheservicedisplayastheapplianceentershighfire.
Note:AllowtheappliancetooperateatHighFirefor3minutestostabilize.(Theapplianceoperatesin
manualmodefor10minutesthenswitchbacktothenormaloperatingmode.Toextendmanualmode
operation,presstheService andPlusbuttonstogethertwicewhiletheapplianceisoperatinginmanual
modetoresetthetimerfor10moreminutes.)Donotmakeadjustmentsiftheservicedisplayshowsan“h”.
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SFT 199 - Fuel Conversion to Natural Gas (LPto NG)- P-803 |5
5. a. Whileinmanualhighfire,toconfirmfullmaximumratingplateinput(estimated):
i. Press ServicebuttonfortwosecondstoentertheInformationmenu.
ii. Press Plusbuttonrepeatedlyuntiltherightwindowindicates"F".Theinputisdisplayed
intheMainwindow.
iii. Press FlamebuttontoreturntotheServicemenu.
b. Withacombustionanalyzerprobeinthefluegastestport,checkthemeasuredresultsagainst
Table 1 -HighFire.
c. Iftheresultsareoutsidethepermittedrange,checktheinletpressure,andconfirmthatthecorrect
orificeandventuriareinstalled.
6. SwitchtheappliancetolowfirebypressingtheServicebuttonandMinusbuttonsatthesametime.The
appliancewilldroptolowfire.“L”willshowintheservicedisplay.
a. ComparethereadingswithTable 1 -LowFire.Ifadjustmentisnecessary,removetheLowFire
AdjustmentcaptorevealaTorxheadscrew.
b. Maketinyadjustments,typicallylessthan1/8thofaturnatatime.Turnthescrewclockwiseto
increaseCO2andcounter-clockwisetoreduceCO2.Ifthetargetcannotbemet,evenafterahalf
turn,contactthefactory.
c. Whenfinished,replacetheLowFirecap,andleavethemanualmodebypressing+AND-
simultaneously.
7. Switchofftheappliancebypressingthespaceabovethedot.
8. Turnoffthegasattheappliance'sgasshut-offvalve.
9. Removethefluegasanalyzerfromthetestport,andreinstallthetestportcap.
10. Removethegaspressuremanometerfromthegasvalve,andfullyclosethetestport.
11. Turnonthegasattheappliance’sgasshut-offvalve.
12. Ensuretherearenogasleaksbeforereinstallingthefrontcover.
13. Turnontheappliancebypressingthespaceabovethedot.
Completing and Affixing the Conversion Labels
1. Fillintheconversionlabels(includedinthekit)associatedwiththenewfueltype.
2. Placetheconversionlabelsontotheapplianceatthepositionsindicatedonthelastpage.
Clocking the Meter (for Natural Gas only)
1. Turnoffallotherappliancesandpilots.
2. Turnontheapplianceandsettheappliancetohighfire.
3. Ensuretheappliancehasalargeloadtoheat,sothattheappliancewillnotshutoff.
4. WithaStop-Watch,recordthenumberofsecondsforthesmallestdialtomake1fullrevolution.
5. CFH=(3600xDialSize)/Seconds
6. CFHx1000(checklocalBtucontent)=InputBtu’s.
Note
For2PSImetersmultiplyCFHx1.097
ForMetricmetersmultiplyCFHx35.3
For2PSImetricmetersmultiplyCFHx1.097x35.3
ForAltitudeabove4,500’deduct2%per1,000’ofaltitudefromtheInputBtu’s.
6|
SFT 199 - Fuel Conversion to Natural Gas (LPto NG)- P-803 |7
Where to Place Conversion Labels on the Tankless Water
Heater
Andere Handbücher für SFT-199
1
Dieses Handbuch passt für folgende Modelle
1
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