35
Figure 47:
Vent Termination Restrictions, refer to Table 3
Initial Installation
QUALIFIED INSTALLERS ONLY
A
A
D E
L
B
C
F
B
B
B
J
M
K
G
H
I
Openable
Fixed
Closed
Openable
Fixed
Closed
Termination Cap
Air Supply Inlet
Gas Meter
G
G
Restriction Zone
(Termination not allowed)
N
O
Letter
Canadian Installation
1
US Installation
2
Description
A
12 in (30 cm)
Clearance above grade, verandah, porch, deck, or balcony.
B
12 in (30 cm)
9 in (23 cm)
Clearance from window or door that may be opened.
C
12 in (30 cm)*
Clearance from permanently closed window (to prevent
condensation).
D
24 in (60 cm)*
Vertical clearance to ventilated soffit located above the
terminal, within a horizontal distance of 2 ft (60 cm) from
center line of terminal.
E
18 in (45 cm)*
Clearance to unventilated soffit.
F
12 in (30 cm)*
Clearance to outside corner.
G
12 in (30 cm)*
Clearance to inside corner.
H
3 ft (91 cm) within a height of
15 ft (4.5 m) above the meter/
regulator assembly
3 ft (91 cm) within a height of
15 ft (4.5 m) above the meter/
regulator assembly*
Clearance to each side of center line extended above me-
ter/regulator assembly.
I
3 ft (91 cm)
3 ft (91 cm)*
Radial clearance around service regulator vent outlet.
Table 3: Vent Termination Clearances
V
ent
t
eRmination
R
estRictions
:
WARNING: This appliance has been designed to draw room air and discharge heated air
from the openings around the finishing edge. Blocking or modifying these openings in
any way can create hazardous situations. Only Approved Direct Vent may be used for
installation of the C72I / C72ID�
The minimum permitted vertical rise, prior to any elbow, must consist of a 24” vertical
section and a 6” vertical section, after which a 90° elbow can be used before horizontally
terminating
. Maximum vertical venting is 40’ (12.2 m).
This model is vented with co-axial 5”
exhaust, 8” intake aluminum or stainless steel approved rigid vent leading into a vertical or horizontal
termination cap. The flue collar of this model will fit inside of a standard
5”x 8” vent and must be either
correctly interlocked or fastened, with three screws directly to the vent collar.
Check periodically that the vents are unrestricted. Also ensure that all direct vent pipes have been
properly sealed and installed after routine inspection or cleaning. The air intake and exhaust pipes must
be installed in the correct locations on the top of the C72I / C72ID.
D
iRect
V
ent
:
Summary of Contents for C72I
Page 55: ...55 Parts Diagram 1 2 3 4 5 6 9 7 8 12 13 14 10 15 15 ...
Page 57: ...57 Notes ...
Page 58: ...58 Notes ...