Napoleon Fireplaces Arlington - GDS20 - Manuel (Page 11)

W415-0496 / H / 07.16.13
11
EN
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
3.3.2 CORNER TERMINATION
The maximum vent length for a corner installation is 24" (610mm) of horizontal run, in addition to the 45° offset.
In this case zero rise is acceptable. See illustrations below. It is recommended to maintain a 6" (152mm) rise.
20” MAXIMUM
24" (610mm)
MAXIMUM
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 of 12” (304.8mm) above grade. The maximum allowable vent length
is 10’ (3.1m) for a fi replace and 8’ (2.4m) for a stove.
9.5B
12"
(305mm)
MIN TO
GRADE
24" (610mm)
MINIMUM
REGARDLESS
OF HORIZONTAL
VENT LENGTH
25 3/8"
(645mm)