Special Vent Installations; Periscope Termination; Corner Termination - Napoleon Ascent 30 B30NTR-1 Installation And Operation Manual

venting requirements
EN
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.
In this case zero rise is acceptable. When using rigid venting, it is required to maintain a 6" (152mm) rise. When
MAXIMUM 10FT VENT LENGTH
using flexible venting, see illustrations below.
STALLATION REAR EXIT INSTALLATION
m)
M
cm)
UM
12
W415-1768 / B / 08.10.18
12"
MINIMUM
REAR VENT
6" (152mm)
RISE MINIMUM
Flexible Venting
6" (152mm)
RISE MINIMUM
12" (30.5cm)
minimum
to grade
30" (76.2cm)
minimum
30"
34 5/8" MINIMUM
(87.9CM)
TOP EXIT INSTALLATION
20" (50.8cm)
Rigid Venting
12" (30.5cm)
minimum
to grade
12"
MINIMUM
TOP VENT
8.1
MAXIMUM 10FT VENT LENGTH
MAXIMUM
20" (50.8cm)
MAXIMUM
30"
MINIMUM
REAR EXIT INS