Crown Boiler BSI069, BSI103, BSI138, BSI172, BSI207, BSI241, BSI276, BSI310, BSI345, BSI379

FIGURE A3: TAPPING LOCATIONS (SEE TEXT FOR TAPPING USES)

Contents

Main BSI Series Gas-Fired Natural Draft Steam Boilers INSTALLATION INSTRUCTIONS Models: Table of Contents I Product Description TABLE 1: BSI SPECIFICATIONS 2 II Specifications FIGURE 1: BSI BOILERS - GENERAL CONFIGURATION III Before Installing IV Locating the Boiler V Air for Combustion and Ventilation For Buildings of Other than Unusually Tight Construction For Buildings of Unusually Tight Construction Page Page VI Venting Removing an Existing Boiler from a Common Chimney Page VII Gas Piping CAUTION VIII System Piping General Piping Notes Page Page IX Indirect Water Heater Piping IMPORTANT X Wiring Page Page BSI Control System Sequence of Operation 20 FIGURE 16: WIRING DIAGRAM, STANDING PILOT AND HYDROLEVEL CG-400A LOW WATER CUTOFF FIGURE 17: WIRING DIAGRAM, STANDING PILOT AND McDONNELL & MILLER MODEL 67 LOW WATER CUTOFF L N V8295A (BSI310-379ONLY) Page Page XI Start-up and Checkout WARNING LIGHTING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BE FORE OPERATING LIGHTING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTING OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTING OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTING GAS INLET GAS CONTROL KNOB SHOWN IN "OFF" POSITION POSITION INDICATOR Page Page XII Service and Maintenance Page Page XIII Troubleshooting Page Page Page Page Standing Pilot Ignition System Troubleshooting Chart Caution: Read page 34 before attempting to use this chart Page 41 XIV PARTS Page 43 Page Page Page A. Before Installing B. Base Assembly Preparation C. Heat Exchanger and Flue Collector Installation Appendix A: Knockdown Boiler Assembly Instructions D. Jacket Installation NOTE Page D. Gas Valve Installation E. Control and Trim Installation Page F. Electrical Wiring Connections G. Complete Installation

Crown Boiler - page 53

Models: BSI069 BSI103 BSI138 BSI172 BSI207 BSI241 BSI276 BSI310 BSI345 BSI379