Harman Stove Company SF360 Manual

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 Thecirculatorinstalledbetweenthetwoboilersmaybehookeduptoruncontinuouslyduring

theheatingseasonor,anadditionalS350control(notsupplied)couldbeinstalledtoturnitonandoff

automatically.Thiscontrolmustbeusedasa“closeonriseoftemperature”(jumperincoolingposi-

tion).

 HarmanStoveCompanyrecommendsthat1-1/4in.pipebeusedbetweenthetwoboilers.Also

recommendedisthattherstsectionofpipeoffofthetopoftheTridentBoilerbethreadedgalvanized

orthreadedblack-steelpipe.

 TheHarmanTridentBoilerissuppliedwithadualfunctionaquastat.TheA350isusedto

controltheautomaticdraftcontrolwhetheropen,toincreaseheat,orclosed,todecreaseheat.The

S350isusedasoverheatprotection.Sinceawoodorcoalreisstillproducingheatwhenthedraftis

closed,thisoverheatprotectionisrequired.YoucouldhavetheS350energizeacirculatingpumpor

azonevalveseparatefromtheheatingsystem,oritcouldbehookedupsothatitowstheheated

waterthroughoutthesystem.Eitherway,itmustbeabletoowawayfromtheboiler.

 Figure7showsatypicalschematicoftheTridentboilerasa“standalone”system.Note;the

crossoverpipe(#12)isnottotallynecessarybutisrecommendedtoprovidecirculationwithinthe

boilerwhiletheheatingsystemissatised.Thiswillensureaneventemperaturewithintheboiler.The

temperingvalveshown(#10)istopreventexcessivetemperatureofthedomesticwater.

FIG.7

Installation