Specifications

2
The following terms are used throughout this manual to bring attention to the presence of hazards of various risk
levels, or to important information concerning product life.
TABLE OF CONTENTS
INTRODUCTION TO "FD" SERIES STEEL BOILER-BURNER UNITS ............................................................................... 3
DIMENSIONS AND RATING DATA .................................................................................................................................4 & 5
FURNACE FLOOR BLANKETS .........................................................................................................................................6 & 7
CERAMIC FIBER WARNING ................................................................................................................................................... 8
CLEANING INSTRUCTIONS ....................................................................................................................................................9
BURNER DATA ...............................................................................................................................................................10 & 11
BECKETT BURNER SPECIFICATIONS .......................................................................................................................12 & 13
TANKLESS HEATER PERFORMANCE.................................................................................................................................14
COIL RATINGS.........................................................................................................................................................................15
INDIRECT WATER HEATER OPERATION ..........................................................................................................................16
COMBUSTION AND VENTILATION AIR REQUIREMENTS.............................................................................................16
VENTS—FAULTS AND SUGGESTIONS .............................................................................................................................. 17
EXPANSION OR AIR CUSHION TANK ................................................................................................................................18
PIPING—FORCED HOT WATER HEATING ........................................................................................................................ 19
PIPING—DOMESTIC HOT WATER ...................................................................................................................................... 20
PIPING—FORCED HOT WATER HEATING AND DOMESTIC HOT WATER .................................................................20
PIPING—DOMESTIC HOT WATER WITH STORAGE TANK ........................................................................................... 21
PIPING—RECIRCULATING DOMESTIC HOT WATER SYSTEM ....................................................................................21
PIPING—MULTI-PURPOSE BOILER APPLICATION .........................................................................................................22
PIPING—MULTIPLE BOILER OPERATIONS (PARALLEL PIPING) ................................................................................22
ORDERING REPAIR PARTS ...................................................................................................................................................23
JACKET PARTS IDENTIFICATION ....................................................................................................................................... 23
WARRANTY .............................................................................................................................................................. Rear Cover
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