Crown Bermuda Installation Manual

FIGURE10:GASCONNECTIONTOBOILER

*StateofMassachusettsRequiresManual

Shut-offValvetobe“T”HandleType

VII Gas Piping

 Gaspipingtotheboilermustbesizedtodeliveradequategasfortheboilertoreatthenameplateinputataline

pressurebetweentheminimumandmaximumvaluesshownontheratingplate.Formoreinformationongaslinesizing,

consulttheutilityorChapter2oftheNational Fuel Gas Code.

Figure10showstypicalgaspipingconnectiontotheBSIboiler.Asedimenttrapmustbeinstalledupstreamofallgas

controls.Installamanualshut-offvalveoutsidethejacketandgroundjointunionasshown.

Theboileranditsgasconnectionmustbeleaktestedbeforeplacingtheboilerinoperation.Whendoingthis,theboilerand

itsindividualshut-offmustbedisconnectedfromtherestofthesystemduringanypressuretestingofthatsystematpressures

inexcessof1/2psi.Whenpressuretestingthegassystematpressuresof1/2psiorless,isolatetheboilerfromthegassupply

systembyclosingitsindividualmanualshut-offvalve.