
8
VENT INSTALLATION
!
WARNING
Boiler shall not be connected to any
portion of mechanical draft system
operating under positive pressure.
• The vent pipe must slope upward from the boiler
not less than 1/4 inch for every 1 foot to the vent
terminal.
• Horizontal portions of the venting system shall be
supported rigidly every 5 feet and at elbows. No
portion of the vent pipe should have dips or sags.
• This boiler series is classi
fi
ed as a Category I
appliance and the vent installation shall be in
accordance with “Venting of Equipment” of the
National Fuel Gas Code, ANSI Z223./NFPA, or
applicable provisions of the local building codes.
• Inspect chimney to make certain it is constructed
according to National Board of Fire Underwriters.
• Attach draft hood to
fl
ue collector at rear of
boiler, (See
fi
gure 4, below), with sheet metal
screw(s) through hole(s) provided. The vent
or vent collector shall be Type B or metal pipe
having resistance to heat and corrosion not less
than that of galvanized sheet steel or aluminum
not less than 0.016 inch thick (No. 28 GA). Do not
modify draft hood.
• Connect
fl
ue pipe same as draft hood to chimney.
Bolt or screw joints together to avoid sag. Flue
pipe should not extend beyond inside wall of
chimney. Do not install manual damper in
fl
ue
pipe or reduce size of
fl
ue outlet except as
provided by the latest revision of ANSI Z223.1.
Protect combustible ceiling and walls near
fl
ue
pipe with
fi
reproof insulation. Where two or more
appliances vent into a common
fl
ue, the area of
the common
fl
ue must be at least equal to the
area of the largest
fl
ue plus 50 percent of the
areas of each additional
fl
ue.
!
WARNING
Installations of boilers and venting
should be done only by a quali
fi
ed expert
and in accordance with the appropriate
Utica Boiler’s Installation, Operation
and Maintenance Manual. Installing
or venting a boiler or any other gas
appliance with improper methods or
materials may result in serious injury
or death due to
fi
re or to asphyxiation
from poisonous gases such as carbon
monoxide which is odorless and invisible.
Figure 4 Blocked Vent Safety Switch
Содержание CEG-C
Страница 30: ...30 INSTALLATION NOTES ...
Страница 31: ...31 INSTALLATION NOTES ...
Страница 32: ...COLUMBIA COMPANY Main offices and factory Pottstown PA ...