Table Of Contents; Safety Notices; Bw4Bah - CAC / BDP BW4BAH-91 Installation, Operation & Maintenance Manual

Safety Notices .....................................................3
Boiler Ratings And Capacities ................................4
Fresh Air For Combustion......................................8
System Piping ................................................... 10
Chimney And Chimney Connections ..................... 17
Typical Chimney Connection ................................ 18
Electrical Connections ........................................ 19
Filling The Boiler .............................................. 20
Operating The Boiler ........................................ 21
Checking And Adjusting Controls ......................... 24
Maintenance ..................................................... 25
Oil Boiler / Burner Cleaning Instructions .............. 26
Oil Burner Cleaning ............................................ 27
Service Hints .................................................... 28
Electrical Wiring ................................................ 31
Equipment And Optional Accessories .................... 32
Boiler installation shall be completed by qualifi ed agency.
Become familiar with symbols identifying potential Become familiar with symbols identifying potential
hazards. hazards.
This is the safety alert symbol. Symbol alerts you This is the safety alert symbol. Symbol alerts you
to potential personal injury hazards. Obey all safety to potential personal injury hazards. Obey all safety
messages following this symbol to avoid possible injury or messages following this symbol to avoid possible injury or
death. death.
DANGER
!
Indicates a hazardous situation which, if not avoided,
WILL result in death or serious injury
WARNING
!
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
! !
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE
Used to address practices not related to personal
injury.

SAFETY NOTICES

Introduction
Boiler is a natural draft oil fi red hot water boiler comprised
of cast iron sections. Boiler is available with 3, 4, or 5 cast
iron sections. These sections are held together by cast iron
push nipples.
Boiler is capable of fi ring #2 fuel oil from 0.65 gph up
to 1.75 gph. All packaged boilers include a swing door,
Honeywell limit, temperature and pressure gauge, safety
relief valve, drain valve, fl ue brush, and extra boiler tap for
expansion tank or air elimination.
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