ProSelect Force Steam Gas Boiler Installation Manual

12
106324-04 - 4/18
Piping Installation
1) Removepartsbagfromboilercrate.
2) Installsafetyvalve(spindlemustbeinverticalposition)intotappingonboilerleftside(seeFigure1)usingthe3/4”NPT
nippleandelbowsupplied.
3) Pipethedischargeofthesafetyreliefvalvetoalocationwherewaterorsteamwillnotcreateahazardorcauseproperty
damageifthevalveopens.Theendofthedischargepipemustterminateinanunthreadedpipe.Ifthesafetyvalve
dischargeisnotpipedtoadrainitmustterminateatleast6inchesabovetheoor.Theterminationofthesafetyvalve
dischargepipingmustbeinanareawhereitisnotlikelytobecomepluggedbydebrisorsubjectedtofreezing.
4) Installdrainvalveintotappingonboilerleftsideusingthe2x3/4bushingprovided(seeFigure1).
5) Connectsystemsupplyandreturntoboiler.SeeFigure7.FORCESTM03throughFORCESTM06maybepipedwith
oneortworisers.Install2”pluginTappingGifoptionalsecondsupplyAisnotused.Twosupplyrisersarerequiredon
theFORCESTM07andFORCESTM08.
6) PipingwithaChiller-Iftheboilerisusedinconjunctionwithachiller,pipetheboilerinparallelwithchiller.Use
isolationvalvestopreventchilledwaterfromenteringtheboiler.
DANGER
•
PIPESAFETYVALVEDISCHARGETOASAFELOCATION.
• DONOTINSTALLAVALVEINTHESAFETYVALVEDISCHARGELINE.
• DONOTMOVESAFETYVALVEFROMFACTORYLOCATION.
• DONOTPLUGSAFETYVALVEDISCHARGE.
• DONOTINSTALLASAFETYVALVEWITHASETTINGGREATERTHAN15PSI.
VIII. System Piping (continued)