Napoleon Fireplaces Grandville 42 - BGD42 - Manuel (Page 12)

W415-0777 / E / 08.26.13
12
EN
3.4 MINIMUM AIR TERMINAL LOCATION CLEARANCES
INSTALLATIONS
CANADA U.S.A.
A
12”
(304.8mm)
12”
(304.8mm)
Clearance above grade, veranda porch, deck or balcony.
B
12”
(304.8mm) Δ
9” (228.6mm)
Δ
Clearance to windows or doors that open.
C
12”
(304.8mm)*
12”
(304.8mm)*
Clearance to permanently closed windows.
D
18”
(457.2mm)**
18”
(457.2mm)**
Vertical clearance to ventilated soffi ts located above the terminal within a horizontal distance of
2’ (0.6m) from the center line of the terminal.
E
12”
(304.8mm)**
12”
(304.8mm)**
Clearance to unventilated soffi t.
F 0” (0mm) 0” (0mm) Clearance to an outside corner wall.
G
0” (0mm) 0” (0mm)
Clearance to an inside non-combustible corner wall or protruding non-combustible obstructions (chimney,
etc.).
2” (50.8mm) 2” (50.8mm)
Clearance to an inside combustible corner wall or protruding combustible obstructions (vent chase,
etc.).
H 3’ (0.9m) 3’ (0.9m)***
Clearance to each side of the center line extended above the meter / regulator assembly to a
maximum vertical distance of 15’ (4.6m).
I 3’ (0.9m) 3’ (0.9m)*** Clearance to a service regulator vent outlet.
J
12”
(304.8mm)
9” (228.6mm)
Clearance to a non-mechanical air supply inlet to the building or a combustion air inlet to any other
appliance.
K 6’ (1.8m) 3’ (0.9m) Clearance to a mechanical air supply inlet.
L 7’ (2.1m) ‡ 7’ (2.1m)*** Clearance above a paved sidewalk or paved driveway located on public property.
M
12”
(304.8mm)††
12”
(304.8mm)***
Clearance under a veranda, porch or deck.
N
12”
(304.8mm)
12”
(304.8mm)
Clearance above the roof.
O 2’ (0.6m) †* 2’ (0.6m) †* Clearance from an adjacent wall including neighbouring buildings.
P 8’ (2.4m) 8’ (2.4m) Roof must be non-combustible without openings.
Q 3’ (0.9m) 3’ (0.9m) See chart for wider wall dimensions.
R 6’ (1.8m) 6’ (1.8m)
See chart for deeper wall dimensions. The terminal shall not be installed on any wall that has an
opening between the terminal and the open side of the structure.
S
12”
(304.8mm)
12”
(304.8mm)
Clearance under a covered balcony
Δ The terminal shall not be located less than 6 feet (1.8m) under a window that opens on a horizontal plane in a structure with three walls and a roof.
* Recommended to prevent condensation on windows and thermal breakage
** It is recommended to maximize the distance to vinyl clad soffi ts.
*** This is a recommended distance. For additional requirements check local codes.
‡ A vent shall not terminate where it may cause hazardous frost or ice accumulations on adjacent property surfaces..
†† 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.
††* Permitted only if the balcony is fully open on a minimum of one side.
12.2D
R
Q
S
G
P
COVERED BALCONY APPLICATIONS ††*
Q
MIN R
MAX
MAX
R = 3 feet
(0.9m)
= 2 x
”IHHW
(4.6m)
Q
ACTUAL