HeatStar 45GSP Instructions D'utilisation Et Manuel Du Propriétaire page 12

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3. The maximum equivalent length of vent pipe should
be carefully observed. A safety switch in the heater is
designed to shut the heater off before excessive flue
restriction causes bad combustion. In addition to the
length restrictions stated below, use no more than two
elbows in your vent system.`
Minimum Equivalent Length = 3 feet (0.9144 m) of Pipe
Maximum Equivalent Length = 25 feet (7.62 m) of Pipe
4. Joints between sections of piping shall be fastened
by sheet metal screws or other approved means. The
seams along the length of the piping and the joints
between sections of piping should be sealed to prevent
a potential leakage of flue gas into building. Use 100%
RTV Silicone Rubber Adhesive sealant suitable for 500°F.
(260°C)
5. All portions of the vent pipe shall be supported to
prevent from sagging.
6. When the vent pipe passes through areas where the
ambient temperature is likely to induce condensation of
the flue gasses, the vent pipe should be insulated and a
condensation drain should be provided.
7. The minimum clearance to combustible materials for
single-wall flue pipe shall be 6 inches (15.24 cm). This
may be reduced when the combustible material is
protected as specified in the National Fuel Gas Code or
the authority having jurisdiction.
8. Single-wall metal pipe shall not originate in any
unoccupied attic or concealed space and shall not pass
through any attic, inside wall or concealed space, or
through any floor.
9. A venting system shall terminate at least 3 feet (0.9m)
above any forced air inlet located within 10 feet (3.1m).
Vent Cap (Leslie VersaCap) Type B
2' Min
10'
(.61 m Min)
2' Min (when no wall or parapet exist)
(3m)
or
(.61 m Min when no wall or parapet exist)
less
Flashing
2" (5.1 cm)
Clearance Thimble
Seal joint &
annular space
VERTICAL
THROUGH THE ROOF
B. VENT TERMINATION
1.
The vent terminal shall terminate above the roof
line so that no discharge opening is less than 2 feet
(0.6m) horizontally from the roof surface. The lowest
discharge opening will be no closer than the minimum
height specified in the following table. These minimum
heights may be used provided the vent is not less
than 8 feet (2.4m) from any vertical wall or similar
obstruction.
4"
Total Vent
(10.16 cm)
Height
Vent Dia.
(3' Min.)
(0.91 m Min)
Lateral
SINGLE HEATER VENTING
Gas-Fired Low-Intensity Infrared Heater
2ft (0.61M) min
H (Min.)
MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE
Roof Pitch
Flat to 6/12 (22.62°)
Over 6/12 (22.62°) to 8/12 (33.68°)
Over 8/12 (33.68°) to 10/12 (39.81°)
Over 10/12 (39.81°) to 12/12 (45°)
Over 12/12 (45°) to 16/12 (53.13°)
Over 16/12 (53.13°) to 20/12 (59.03°)
2. All other gas vents shall terminate not less than 2
feet (0.6m) above the highest point where they pass
through the roof and at least 2 feet (0.6m) higher than
any portion of a building located within 10 feet (3.1m)
as shown in the following illustration.
Vent Cap
Type B
Vent Pipe
Type B
(Double Wall)
Storm Collar
Boot Flashing
Vent Pipe
(Single Wall)
C. HORIZONTAL THROUGH THE SIDEWALL
This heater, when horizontally vented, must be installed
with the approved venting system. For horizontal vent
installations the GSP45 tube heater is certified as a
category III appliance.
1. When venting the heater to the outside of the building
through a sidewall, use 4 inch (10.16 cm) O.D. single-
wall metal pipe. This is to be constructed of stainless
steel.
12
Operating Instructions and Owner's Manual
Not less then 8ft (2.44 M)
OPENING
H Minimum
1.0 Feet (0.3m)
1.5 Feet (0.46m)
2.5 Feet (0.76m)
4.0 Feet (1.22m)
6.0 Feet (1.83m)
7.5 Feet (2.29m)
10 feet (3 m) or less
2 feet (0.61m) minimum
2" (5.1 cm)Clearance
Seal joint &
annular space

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