6
AIR TERMINAL INSTALLATIONS
FIGURE 2
INSTALLATIONS
A B
C
D
E
F
G
H
I
J
K
L
M
N
O
CANADIAN
12INCHES
12INCHES
12 INCHES*
32INCHES**
32INCHES**
0 INCHES
0INCHES***
2 INCHES***
3FEET
3FEET 12 INCHES 6 FEET
7 FEET‡
32INCHES†† 16 INCHES 2 FEET†*
U.S.A.
12INCHES 9 INCHES
12 INCHES*
32INCHES**
32INCHES**
0 INCHES
0INCHES***
2 INCHES***
3FEET****
3FEET****
9 INCHES
3 FEET†
7 FEET****
32INCHES**** 16 INCHES 2 FEET†*
Clearance above grade, veranda porch, deck or balcony.
Clearance to windows or doors that open.
Clearance to permanently closed windows.
Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet from the centerline of the terminal.
Clearance to unventilated soffit.
Clearance to an outside corner wall.
Clearance to an inside
Clearance to an inside combustible corner wall or protruding com- bustible obstructions ( vent chase, etc.).
Clearance to each side of the centerline extended above the meter
/regulator assembly to a maximum vertical distance of 15ft. Clearance to a service regulator vent outlet.
Clearance to a
Clearance to a mechanical air supply inlet.
Clearance above a paved sidewalk or paved driveway located on public property unless fitted with a heat shield kit
Clearance under a veranda, porch, deck or balcony.**
Clearance above the roof.
Clearance from an adjacent wall including neighbouring buildings.
*Recommended to prevent condensation on windows and thermal breakage
**Using a Napoleon soffit heat shield,
***The periscope
****This is a recommended distance. For additional requirements check local codes.
†Three 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 floor.
†* Recommenced to prevent recirculation of exhaust products. For additional requirements check local codes.