Reznor ULSA 035(EC) - Gas Connection;Gas Supply

1701ULSA(EC)--EN, p. 17/30
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9GASSUPPLY
&
GASCONNECTION
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 Werefertotable1ofsection3forallgasspecifications
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WARNING
 Connectiontoagasserviceinstallationmayonlybecarriedoutbysuitablyqualifiedpersons.
 Thegasinstallationmustcomplywithallrulesinforce.
 Onlymaterialsappropriateforgasserviceinstallationmaybeused.
 Donotrelyontheheatertosupportthegaspipe.
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NEVERUSEAFLAMETOTESTFORGASSOUNDNESS.ALLCOMPONENTSOFAGASSUPPLY
SYSTEMMUSTBELEAKTESTEDPRIORTOPLACINGEQUIPMENTINSERVICE.FAILURETO
COMPLYCOULDRESULTINPERSONALINJURY,PROPERTYDAMAGEORDEATH!
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9.1GENERAL
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ULSA/ULSAECheatersaredesignedtooperateoneithernaturalgas(G20),propane(G31)orbutane(G30)gas.Check
thatgassupply,gascategory&gasinletpressureisinaccordancewiththedatadescribedontheairheater.Toletthe
unitfunctionatmaximalheatoutput,thegas
supplypipeMUSTbecorrectlysized.Closetotheairheateragastapwith
couplingmustbemountedforservicing(seefigure11).Itisstronglyrecommendedtoplaceagasfilterandcleanthe
gastubewithnitrogen.
Thewholeofthegasserviceinstallationincludingthemetermust
beinspected,testedforsoundnessandpurgedin
accordancewithappropriaterequirementsbyaqualifiedperson.
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9.2GASCONNECTION
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
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9.3ADJUSTMENTGASVALVE
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 Toadjusttheoffset,removetheprotectionscrewon
thetopandregulatetheoffsetbyusingtheexposed
screw.Offsetvalueswillbemeasuredintheindicated
points.
 ToadjusttheCO
2
,useascrewdriverintheindicated
spotandturnthescrewdriverclockwisetodecrease
themeasuredCO
2
orturnitcounterclockwiseto
increasethemeasuredCO
2
.TheCO
2
measurement
shouldbedoneinthefluedischargepipe.
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A
llunitsaresetaccordingtothedataplatebefore
leavingthefactory.Anymodificationtothegasvalve
mustbedonebyaqualifiedtechnician.
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1 Offsetadjustmentpoint
2 Inletpressuremeasuringpoint
3 CO
2
adjustmentpoint(throttle)
4
Offsetmeasuringpoint
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REMARK:
Donotovertighten
anddonotrotatethe
gasvalveinsidethe
heatercontrol
com
p
artmen
Figure12
Figure11