Manuals / Smith Cast Iron Boilers / Household Appliance / Boiler

Smith Cast Iron Boilers GB300 warranty Follow all applicable local codes, Figure

Models: GB300

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Follow all applicable local codes.

Page 27

GB300 BOILER INSTALLATION AND OPERATION INSTRUCTIONS

Install the supplied 1/8" stainless steel bleed line on continuous pilot boilers equipped with V88A gas valves. The bleed line must be located in a fixed position relative to the pilot burner and allowing for the escaping gases to be readily ignited by the pilot. Use the supplied fasteners to connect the bleed line to the valve bleed orifice and to the pilot-mounting bracket on the burner tube. Intermittent pilot boilers must vent the V88A bleed orifice to atmosphere external to the building. The bleed line and provisions to locate the line are supplied by the customer. The bleed line on intermittent boilers does not need to be stainless. Aluminum tubing is recommended, but all installations must follow local laws and codes. The burning vent gas must not in any way affect the pilot flame sensor on the pilot burner.

Follow all applicable local codes.

Install the burner tubes by sliding the flattened ends through the slots in the rear panel, Figure 62.

Pull the tubes forward over the brass orifices in the manifold engaging the notch in the flattened part of the burners with rear panel, Figures 63 and 64.

Table 3 has the proper location for the burner tube with pilot assembly(s).

Figure 63

Burner Tubes on Manifold

Figure 62 Burner Tube Through Rear Base Panel

Figure 64 BurnerTube LockedTo Rear Base Panel

Image 27

Smith Cast Iron Boilers GB300 warranty Follow all applicable local codes, Figure, Burner Tube Through Rear Base Panel

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