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NOTE: Read the entire instruction manual before starting the installation. These instructions must be affixed on or adjacent to the boiler.
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Index Page
SAFETY CONSIDERATIONS.....................................................................................................................................................................................2
INTRODUCTION..........................................................................................................................................................................................................3
BOILER RATINGS AND CAPACITIES.................................................................................................................................................................3-4
LOCATING THE BOILER.......................................................................................................................................................................................4-5
FRESH AIR FOR COMBUSTION...........................................................................................................................................................................5-6
Boiler Located in Unconfined Space.......................................................................................................................................................................5
Boiler Located in Confined Space .......................................................................................................................................................................5-6
INSTALLATION—SYSTEM PIPING .....................................................................................................................................................................6-7
For Use with Cooling Units.....................................................................................................................................................................................7
Low Design Water Temperature Systems (Below 140°F) .....................................................................................................................................7
®
CANADIAN GAS ASSOCIATION
APPROVED
R
ama
ASME
®
A95465
MODEL BW3
Installation, Start-Up, and Operating Instructions
BW3
Series B
Gas-Fired
Induced-Draft Hot Water Boilers
Sizes 42,500 through 225,000
Form: IM-BW3A-05 Cancels: IM-BW3A-04 Printed in U.S.A. 8-99 Catalog No. 63BW-3A1