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W415-2197 / 12.05.16
12
EN
12.1E
NOTE: Clearances are in accordance with local installation codes and the requirements of the gas supplier.
COVERED BALCONY APPLICATIONS ††*
Q
MIN
R
MAX
MAX
R
= 3 feet
(0.9m)
= 2 x
≤ 15 feet
(4.6m)
Q
ACTUAL
R
Q
S
G
P
INSTALLATIONS
CANADA U.S.A.
A
12” (30.5cm) 12” (30.5cm) Clearance above grade, veranda porch, deck or balcony.
B
12” (30.5cm)
Δ
9” (229mm) Clearance to windows or doors that open.
C
12” (30.5cm)* 12” (30.5cm) * Clearance to permanently closed windows.
D
18”
(45.7cm)**
18”
(45.7cm)**
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” (30.5cm)** 12” (30.5cm)** 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” (51mm)*** 2” (51mm)*** 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 maxi-
mum vertical distance of 15’ (4.6m).
I
3’ (0.9m) 3’ (0.9m)**** Clearance to a service regulator vent outlet.
J
12” (30.5cm) 9” (229mm) 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” (30.5cm)†† 12” (30.5cm)**** Clearance under a veranda, porch or deck.
N
16” (40.6cm) 16” (40.6cm) 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” (30.5cm) 12” (30.5cm) Clearance under a covered balcony
Δ The terminal shall not be located less than 6 feet 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 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 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.
3.4 VENT TERMINAL CLEARANCES
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