Napoleon HYBRID 150 Installation And Operating Instructions Manual page 9

Insulating the intake liners is recommended in colder climates to prevent condensation from occurring.
The 4" (102mm) inlet can also draw combustion air from the room provided adequate make up air is available.
Fresh air makeup for the oil furnaces must follow criteria set in installation standard CSA B139-09 "Installation
Code For Oil Burning Equipment", and installed by a certifi ed oil mechanic.
Fresh air makeup for gas fi red furnaces must follow criteria set in installation standard CAN/CGA-B149.1 or
CAN/CGA-B149.2.
Fresh air makeup solid fuel furnaces must follow criteria set in installation standard CAN/CSA-B365.
WHEN INSTALLING A SYSTEM FOR MAKE UP FRESH AIR, THE INSTALLER MUST TAKE INTO
ACCOUNT A SATISFACTORY AIR MAKE UP RATE IN THE LIKELIHOOD THAT MORE THAN ONE
FUEL-BURNING FURNACE IN A MULTI FURNACE CONFIGURATION MAY OPERATE AT THE SAME
The vertical height of the air intake liner must not be greater than 2/3 the
height of the chimney.
The duct terminations must be located so they can not be blocked (i.e.
snowdrifts). 4' (1.22m) above grade or above maximum snow grade for the
area is recommended. Make a 4 1/2" inch (114 mm) hole to suit in an out-
side wall of the house. From outside, place the fresh air hood into the hole,
open side down. Seal with caulking and secure.
VERTICAL RISE BETWEEN
6' & 10' (1.83m & 3.05m) MAX
3' & 6' (0.91m & 1.83m)
1' & 3' (0.31m & 0.91m)
0' & 1' (0m & 0.31m)
TIME.
HORIZONTAL RUN
5' (1.52m)
15' (4.57m)
20' (6.10m)
25' (7.62m)
H12.10.1
H3.35
AIR INTAKE LINERS
10
8
6
4
2
0
5 10 15 20 25
HORIZONTAL RUN
W415-1013 / C / 11.19.13
9
EN