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3
General venting
Install vent and combustion air piping
The Noble Fire Tube must be vented and
DANGER
supplied with combustion and ventilation
air as described in this section. Ensure the
vent and air piping and the combustion
air supply comply with these instructions
regarding vent system, air system, and
combustion air quality. See also Section 1
of this manual.
Inspect finished vent and air piping
thoroughly to ensure all are airtight and
comply with the instructions provided and
with all requirements of applicable codes.
Failure to provide a properly installed vent
and air system will cause severe personal
injury or death.
This appliance requires a special venting
WARNING
system. Use only approved PVC, CPVC,
polypropylene or stainless steel pipe and
fittings listed in Tables 3D, 3E, and 3G for
vent pipe, and fittings. Failure to comply
could result in severe personal injury,
death, or substantial property damage.
DO NOT mix components from different
WARNING
systems.
causing leakage of flue products into the
living space. Mixing of venting materials
will void the warranty and certification of
the appliance.
Installation must comply with local
NOTICE
requirements and with the National
Fuel Gas Code, ANSI Z223.1 for U.S.
installations or CSA B149.1 for Canadian
installations.
For closet and alcove installations, CPVC,
WARNING
polypropylene or stainless steel material
MUST BE used in a closet/alcove structure.
Failure to follow this warning could result
in fire, personal injury, or death.
Improper installation of venting systems
CAUTION
may result in injury or death.
Follow the instructions in Section 1, page
NOTICE
11 of this manual when removing a boiler
from an existing vent system.
Do not connect any other appliance to the
WARNING
vent pipe or multiple boilers to a common
vent pipe. Failure to comply could result in
severe personal injury, death, or substantial
property damage.
(continued)
The vent system could fail,
Installation & Service Manual
™
F I R E T U B E
The Noble Fire Tube vent and air piping can be installed
through the roof or through a sidewall. Follow the procedures
in this manual for the method chosen. Refer to the information
in this manual to determine acceptable vent and air piping
length.
You may use any of the vent/air piping methods covered in
this manual. Do not attempt to install the Noble Fire Tube
using any other means.
You must also install air piping from outside to the boiler
air intake adapter unless following the Optional Room Air
instructions on page 17 of this manual.
installation is direct vent (sealed combustion) .
Air intake/vent connections
1.
Combustion Air Intake Connector (FIG. 3-6)
- Used to provide combustion air directly to the unit from
outdoors. A fitting is provided on the unit for final
connection. Combustion air piping must be supported
per guidelines listed in the National Mechanical Code,
Section 305, Table 305.4 or as local codes dictate.
2.
Vent Connector (FIG.'s 3-6 thru 3-10) - Used to provide a
passageway for conveying combustion gases to the
outside. A transition fitting is provided on the unit for
final connection. Vent piping must be supported per the
National Building Code, Section 305, Table 305.4 or as
local codes dictate.
Figure 3-6 Near Boiler Air Piping
The resultant
AIR
DIR #2000528317 00
15
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