Dunkirk DPFG Series, Дополнительная инструкция по вентиляции, Страница: 6 / 11

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NOTE: If boiler is to be direct exhausted through a wall of the
boiler room, please see next page.
WARNING
All installations of boilers and venting
should be done only by a qualified expert
and in accordance with the appropriate
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 fire or asphyxiation from
poisonous gases such as carbon monoxide,
which is odorless and invisible.
CHIMNEY VENT INSTALLATION (CATEGORY I)
WARNING
This boiler shall not be connected to any
portion of a mechanical draft system
operating under positive pressure.
1. Horizontal portions of the venting system shall be
supported rigidly every 5 feet and at the elbows. No
portion of the vent pipe should have any dips or sags.
2. This boiler series is classified as a Category I and the
vent installation shall be in accordance with chapters 7
and 10 of the National Fuel Gas Code noted above or
applicable provisions of the local building codes.
3. Inspect chimney to make certain it is constructed
according to NFPA 211. 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).
4. Connect flue pipe from draft hood to chimney.
Bolt or screw joints together to avoid sags. Flue pipe
should not extend beyond inside wall of chimney. Do
not install manual damper in flue pipe or reduce size
of flue outlet except as provided by the latest revision
of ANSI Z223.1. Protect combustible ceiling and walls
near flue pip with fireproof insulation. Where two or
more appliances vent into a common flue, the area of
the common flue must be at least equal to the area
of the largest flue plus 50 percent of the area of each
additional flue.
INDOOR CHIMNEY VENTED BOILERS
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WARNING
Do not connect this Category 1 boiler to a
vent system used by a Category III and IV
appliance. Do not connect it to vents with
mechanical draft systems operating at
positive pressure. Improper venting could
allow combustion products to collect in the
structure during use, resulting in damage,
injury, or death.
CHIMNEY LINING
Use a suitably sized Type B1 vent liner or suitable
corrugated liner.
WARNING
Support vent liner in a masonry chimney.
Maintain at least 1” clearance on all sides to
reduce the possibility of condensate in vent.
Condensate may cause vent to deteriorate,
allowing combustion products to collect in the
structure, which could result in injury or death.
Vent liner must not block opening where
vent connectors from other appliance enter
the chimney. Blocked openings will cause
combustion products to collect in the structure,
resulting in damage, injury, or death.
Do not use unlined masonry chimneys. These
increase risk of condensate formation, which
may cause the chimney to deteriorate, allowing
combustion products to collect in the structure,
resulting in damage, injury, or death.
1. The following chart shows recommended
minimum chimney sizes based the
I=B=R Testing
and Rating Standard for Heating Boilers .
Firing
Rate (gph)
Chimney
Height*
Nominal
Chimney
Area
Round
Liner Inside
Diameter
Square
Liner Inside
Dimensions
0.6 - 1.3
1.31 - 1.8
1.81 - 2.0
2.1 - 3.0
15’
15’
20’
20’
8” x 8”
8” x 8”
8” x 8”
8” x 12”
6”
7”
8”
10”
6¾” x 6¾”
6¾” x 6¾”
6¾” x 6¾”
6½” x 10½”
* For elevations above 2,000 feet above sea level, add 3 feet to
chimney heights.