Minimum Air Terminal Location Clearances - Napoleon GD36NTR Installation And Operating Instructions Manual

14
2.4

MINIMUM AIR TERMINAL LOCATION CLEARANCES

INSTALLATIONS
CANADA
12"
A
12"
B
12" *
C
18" **
D
12" **
E
0"
F
0" ***
G
2" ***
3'
H
3'
I
12"
J
6'
K
7' ‡
L
12" ††
M
16"
N
2' †*
O
* Recommended to prevent condensation on windows and thermal breakage
** it is recommended to use a heat shield and to maximize the distance to vinyl clad soffi ts.
*** The periscope requires a minimum 18 inches clearance from an inside corner.
**** This is a recommended distance. For additional requirements check local codes.
† 3 feet above if within 10 feet horizontally.
‡ A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.
†† Permitted only if the veranda, porch, or deck is fully open on a minimum of two sides beneath the fl oor.
†* Recommended to prevent recirculation of exhaust products. For additional requirements check local codes.
NOTE: Clearances are in accordance with local installation codes and the requirements of the gas supplier.
W415-0773 / 06.16.09
U.S.A.
12" Clearance above grade, veranda porch, deck or balcony.
9" Clearance to windows or doors that open.
12" * Clearance to permanently closed windows.
Vertical clearance to ventilated soffi ts located above the terminal within a horizontal distance of 2' from
18" **
the centerline of the terminal.
12" ** Clearance to unventilated soffi t.
0" Clearance to an outside corner wall.
0" *** Clearance to an inside non-combustible corner wall or protruding non-combustible obstructions (chimney, etc.).
2" *** Clearance to an inside combustible corner wall or protruding combustible obstructions (vent chase, etc.).
Clearance to each side of the centerline extended above the meter / regulator assembly to a maximum
3' ****
vertical distance of 15'.
3' **** Clearance to a service regulator vent outlet.
9" Clearance to a non-mechanical air supply inlet to the building or a combustion air inlet to any other appliance.
3' † Clearance to a mechanical air supply inlet.
7' **** Clearance above a paved sidewalk or paved driveway located on public property.
12" **** Clearance under a veranda, porch, deck or balcony.
16" Clearance above the roof.
2' †* Clearance from an adjacent wall including neighbouring buildings.
12.1