Crown Boiler BSI276, BSI241, BSI345, BSI379, BSI103, BSI138 installation instructions BSI Series

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D E S I G N E D T O L E A D

BSI Series

Gas-Fired Natural Draft Steam Boilers

INSTALLATION INSTRUCTIONS

These instructions must be affixed on or adjacent to the boiler

Models:

• BSI069	• BSI207
• BSI103	• BSI241
• BSI138	• BSI276
• BSI172	• BSI310
	• BSI345
	• BSI379

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury, or loss of life. For assistance or additional informa- tion, consult a qualified installer, service agency or the gas supplier. Read these instructions carefully before installing.

Manufacturer of Hydronic Heating Products

P.O. Box 14818 3633 I. Street

Philadelphia, 1PA 19134

Tel: (215) 535-8900 • Fax: (215) 535-9736 • www.crownboiler.com

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Contents BSI Series Product Description Table of ContentsBSI Specifications II SpecificationsIV Locating the Boiler III Before InstallingAir for Combustion and Ventilation ForBuildingsofUnusuallyTightConstruction For Buildings of Other than Unusually Tight ConstructionBOILERINSTALLEDINCONFINEDSPACE, ALL AIR from Inside ALL AIR from OUTDOORS, Using Openings Into Boiler Room VI Venting Removing an Existing Boiler from a Common Chimney BSI Boilertypicalventsystem Installation and Components Gasconnectiontoboiler VII Gas PipingGeneral Piping Notes Viii System PipingPipingInstallation Common NEAR-BOILER Piping Mistakes Indirectwater Heater BOILER-SIDE Piping IX Indirect Water Heater PipingWiring Indirect Water Heater Wiring Wiring Indirectwater Heater to Boiler Sequence of Operation, Standing Pilot BSI Control System Sequence of OperationVent Damper Note Less Vent GAS Valve BSI379 Honeywell VR8204/VR8304 Series GAS Valves BSI069 Robertshaw 2423 XI Start-up and CheckoutStanding Pilot Burner Flame For Your Safety Read Before Operating For Your Safety Read Before Lighting For Your Safety Read Before Lighting Position Indicator High Altitude Burners GASVALVEDETAIL-HONEYWELLVR8200ORVR8300STANDINGPILOT On a continuous basis XII Service and MaintenanceOn at least a weekly basis On an annual basisPage Heat Exchanger Cleaning Procedure Xiii Troubleshooting Start END Start END Standing Pilot Ignition System Troubleshooting Chart Intermittent Ignition System Troubleshooting Chart XIV Parts Page KEY # Page Boilers only Page Before Installing Appendix a Knockdown Boiler Assembly InstructionsFIGUREA1 BASE, Heat EXCHANGER, Flue Collector Assembly Gas Valve Installation Figure A2 Jacket Installation Complete Installation Electrical Wiring ConnectionsFigure A3 Tapping Locations see Text for Tapping Uses Crown