Special Vent Installations; Periscope Termination; Corner Termination - Napoleon Ascent 46 B46NTR Installation And Operation Manual

2.2

special vent installations

2.2.1 periscope termination

Use the periscope kit to locate the air termination above grade. The periscope must be installed so that when
fi nal grading is completed, the bottom air slot is located a minimum 12" (305mm) above grade. The maximum
allowable vent length (including both rise and run) is 10' (3m) for a fi replace and 8' (2m) for a stove. An insulation
sleeve is illustrated in the top vent image below, use only when supplied with the appliance.
(The insulation sleeve is not required with a stove appliance)
30" (76.2cm)
minimum
12"
MINIMUM
30"
MINIMUM

2.2.2 corner termination

The maximum vent length for a corner installation is 20" (50.8cm) of horizontal run, in addition to the 45° offset.
Using rigid venting, zero rise is acceptable. Using flexible venting, it is recommended to maintain a 6" (152mm)
MAXIMUM 10FT VENT LENGTH
rise. See illustrations below.
TALLATION
REAR EXIT INSTALLATION
m)
M
cm)
M
12"
MINIMUM
REAR VENT
6" (152mm)
RISE MINIMUM
FLEX VENTING
6" (152mm)
RISE MINIMUM
venting requirements
12" (30.5cm)
minimum
to grade
30" (76.2cm)
minimum
34 5/8"
(87.9cm)
30"
MINIMUM
TOP EXIT INSTALLATION
20" (50.8cm)
MAXIMUM
20" (50.8cm)
MAXIMUM
12" (30.5cm)
minimum
to grade
12"
MINIMUM
MINIMUM
TOP VENT
8.1
MAXIMUM 10FT VENT LENGTH
RIGID VENTING
W415-2370 / D / 12.09.20
EN
30"
REAR EXIT INST
13