Napoleon Fireplaces Ascent Multi-View - BHD4 - Manuel (Page 11)

W415-1285 / 04.14.14
11
EN
3.2 TYPICAL VENT INSTALLATIONS
When venting, the horizontal run must be kept
to a maximum of 20 feet (6m). If a 20 foot (6m)
horizontal run is required, the appliance must have
a minimum vertical rise off the appliance of 57"
(1448mm).
On all horizontal vent runs, ensure that the vent pipe does not slope downward.
When terminating vertically, the vertical rise is a
minimum 36"(914mm) and a maximum 40 feet
(12m) above the appliance.
40 FT
(12m)
MAX
36"
(914mm)
MIN
16" MIN
(406mm)
43" (1092mm)
MIN PLUS
RISE*
24" (610mm)
MAX
* See "VENTING" section.
43" (1092mm)