27
INSTALLATION GUIDE
27
Chimney Fan
The combustion air inlet and flue gas outlet of a direct
vent appliance or the flue gas outlet of an appliance
other than a direct vent appliance shall terminate at
least 1 ft (0.3 m) from the soffit of the roof of the
structure and at least 3 ft (0.9 m) from an inside
corner of an L-shaped structure.
The flue gas outlet terminal of a direct vent
application with an input of 50,000 Btu/hr (0.35 gal/hr)
or less shall be located at least 9 in. (230 mm) from
any door, window, or air inlet to the structure. The
vent terminal of a direct vent appliance with an input
over 50,000 Btu/hr (0.35 gal/hr) shall be
located at least 1 ft (0.3 m) from any door, window, or
air inlet to the structure. Regardless of input, the flue
gas outlet terminal shall also terminate at least 1 ft
(0.3 m) above grade.
The exit terminals of mechanical draft systems shall
not be less than 7 ft (2.1 m) above grade when
located adjacent to public walkways.
Any air inlet and any flue gas outlet of any appliance
shall terminate at least 5 ft (1.6 m) from the vent outlet
of a supply tank.
Electrical Installation
All electrical wiring must be in accordance with
requirements of authority having jurisdiction or,
in absence of such requirements, with National
Electrical Code NFPA 70 — latest edition. If an
external electrical source is utilized, system must be
electrically grounded in accordance with requirements
of the authority having jurisdiction or, in the absence
of such requirements, with the National Electrical
Code NFPA 70 — latest edition.
Termination of Venting System
In order to achieve optimal performance and energy
consumption for the RS Fan the duct must be in
-
stalled as shown below and the distances observed.
From the last elbow to the termination point the dis
-
tance has to be 3 times the diameter of the flue. For
example if you using 12in flue (12 X 3 = 36in). So the
distance from the last elbow to the fan termination
point should be 36 inches.
A venting system that terminates in the sidewall of a
structure shall terminate at least 3 ft (0.9 m) above
any air inlet to the structure that is within 10 ft (3 m) of
the termination point.
Exception No. 1:
This requirement shall not apply to
the combustion air intake of a direct vent appliance.
Exception No. 2:
This requirement shall not apply
to
the separation distance between the circulating air
inlet and the vent discharge of a listed outdoor
appliance.
The flue gas outlet of an appliance other than a
direct vent appliance shall terminate at least 4 ft (1.2
m) below, 4 ft (1.2 m) horizontally from, or 1 ft (0.3
m) above any door, window, or gravity air inlet of the
structure. The outlet also shall terminate at least 1 ft
(0.3 m) above grade.
A safety device that prevents the heating appliance
operation, in case of a power failure or inadequate
draft situation, must be installed.
D
3 x D
Turn off electrical power before servicing.
Contact with live electric components can cause
shock or death.
CAUTION
WARNING
BL_ST_INSTL_RevB_4.08.19
