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Smith Cast Iron Boilers GB300 warranty Manifold Attachments, front base splice channel, Figure

Models: GB300

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Page 15

Manifold Attachments

Page 15

GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS

NOTE:The base front panels bolt to the inside of the		Figure 18	Manifold Attachments
front base splice channel, Figure 15.
Figures 15	Base Front Panel Detail

Use a spirit level to plumb the front and rear panels before tightening the nuts and bolts, Figure 16. Temporarily attach the manifold brackets and manifold, Figures 17 and 18.

Figure 16

Plumbing Base

Locate the Burner Box. It is marked with a number from 72724 to 72731. Install three burner tubes in the base, one on each end and one in the middle. Slide the closed end of the burner tube through the slot in the burner base rear panel. The notch in the burner must engage the burner base rear panel, Figure 19.

Figure 19

Burner Tube Installation

Notch

•

•Notch Engaged

Figure 17	Manifold Bracket Attachment	Adjust the manifold and base so the burner tube orifice
		bracket is approximately in the middle of the orifice on
		all three burners, Figure 20.
		Figure 20	Burner Tube Adjustment

Image 15

Smith Cast Iron Boilers GB300 warranty Manifold Attachments, front base splice channel, Figure, Figures, Plumbing Base

Contents

WHAT TO DO IF YOU SMELL GAS INSTALLATION & OPERATING MANUALGB300 NATURAL OR PROPANE GAS BOILER QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Concrete Block Base Construction BOILER RATINGS & CAPACITIESBOILER LOCATION FigureTable 1 Make-upAir Duct Sizing Wire ScreenAll Air From Inside The Building All Air From Outside The BuildingCHIMNEY & VENT PIPE CONNECTIONS VENT CONNECTIONSChimney Inspection & Sizing COMMON VENT SYSTEMS Figure 2A 2 FT 0.6 m 10 FT 3.4 m 3 FT 0.9 m 5 FT 4.5 m Figure 2BDual Flue Outlets And Inside Air GB300 Series Figure 2C10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 m Figure 2DFigure 2E Common Vents And Inside Air GB300 SeriesBUILDING OVERHANG Figure 2GHorizontal Venting And Inside Air GB300 10 FT 3.1 m 3 FT 0.9 m 3 FT 0.9 mFigure Burner Base Assembly General InstructionsFigure Burner Base Box 63265 toFigure 9A Burner Base Rear Panel, 5 - 12 Sect Burner Base Assembly 5 through 12 SectionsFigure Burner Base Side Panels, 5 -X7 Box Splice Channel Assembly 13 to 21 SectionsSplice Channel Assembly 13 to 21 Sections FigureFigure 14B Figure 13BFigure 14A Base Rear Channel Bolt Holesfront base splice channel, Figure Burner Tube AdjustmentFigure Manifold AttachmentsFigure 22C Figure 22BFigure Burner Base Splice Panel BracketFigure Ceramic Blanket InstallationFigure 24Ceramic Blanket Placement Cast Iron Section AssemblyFigure occur voiding the warrantyFigure 26B Marking Burner Base Rear MidpointRear View - Odd Numbered Models Figure 35 Section Placement on Burner BaseFigure FigureFigure Lower Port Seal PlacementDraw Rod Installation FigureConfirming Sections Are Plumb Figure 40 Flue Collector Box 63203 toFigure FigureFigure “J” Bolt InstallationFlue Collector Bracket Installation FigureFigure FLUE COLLECTOR INSTALLATIONFigure 47A Ceramic Blanket Placement 5-12Sect Figure 47B Ceramic Blanket Placement 13-21SectFigure Flue Collector PlacementDraft Hood Installation Flue Collector Bracket InstallationClean Out Cover Bolt Assembly Clean Out CoversClean Out Cover Bolt Location Clean Out Cover InsulationFigure Manifold InstallationsFigure Manifold Bracket AttachmentFigure 64 BurnerTube LockedTo Rear Base Panel Follow all applicable local codesFigure Figure 62 Burner Tube Through Rear Base PanelFigure JACKET INSTALLATIONFigure FigureFigures 70 Rear Jacket Panel Installation Detail Rear Panel Installation, 5 throughFigures 72 Rear Panel Installation, 13 through Figures 69 Rear Panel Installation, 5 throughcontrols Figure55175, Jacket Side Panels. Remove the knockouts necessary to attach the water or steam piping andFigure FigureRear Top Jacket Panel, 5 through FigureFigure FigureFigure Splice Panel BracketsFront Access Panel 13 - 21 Sect Front Access Panel 5 - 12 SectGrill Assembly Splice Grill AssemblyFigure Pilot AssemblyGas Train Assemblies FigureHEATING SYSTEM PIPING FigureWATER BOILER PIPING CONNECTIONS Return Size in TableBoiler Model Supply Size inPres Controls LWCO Stop Valve Check Valve Blowoff Figure 97 Water Boilers in BatteryStop Valve Steam Main ASME Safety Valve F & T Figure 97A Typical Single Boiler Steam PipingStop Valve Check Valve Risers Equivalent Pipe Length ChartTable Boiler ModelFigure Electrical Power ConnectionsFigure Gas Supply PipingWater Boilers Wire Duct and Control BoxThermostat Installation FigureLIGHTING INSTRUCTIONS Continuous Pilot SystemsIntermittent Pilot Ignition Systems To Turn Off Gas To Boiler BOILER CHECKING & ADJUSTMENT PILOT ADJUSTMENTPilot Flame Adjustment Gas Pressure AdjustmentLow Water Cutoff BOILER MAINTENANCEThermostat Adjustment Input RateControls Burner InstallationHeat Exchanger Cleaning Vent SystemPage Ref # Manifold Less Orifices Ref # Ref # SHOULD PERFORM WORK ON YOUR SMITH BOILER ONLY QUALIFIED, LICENSED SERVICE CONTRACTORSWESTCAST, INC 260 NORTH ELM STREET WESTFIELD, MA