Napoleon Fireplaces NPI45 - Manuel (Page 26)

W415-0702 / B / 04.04.12
26
!
WARNING
5.1 INSTALLATION INTO A COMBUSTIBLE ENCLOSURE
OUTSIDE AIR IS MANDATORY FOR A COMBUSTIBLE BUILT-IN ENCLOSURE INSTALL.
When installing the insert as a "Built-in" appliance, it is important to maintain the clearances to combustibles,
see "MINIMUM CLEARANCE TO COMBUSTIBLES" section.
A non-combustible hearth must cover the fl ooring underneath, as well as, a minimum of six inches in front and
to both sides of the appliance.
A. Install fl oor protection.
B. Frame structure maintaining minimum clearances. Locate and frame openings for both the exhaust
and outside air. Outside air is mandatory for enclosure installations. See "OUTSIDE AIR" section.
C. Refer to vent manufacturer's installation instructions and to "VENTING" section. Connect the vent.
Install fl ashing, see "FLASHING INSTALLATION" section.
D. Consideration must be taken during installation that removal of the insert is necessary for inspection
and annual maintenance. Install the vent cap.
33”
40”
MINIMUM
ENCLOSURE
HEIGHT
17”
27”
3 1/2” MAX
3 1/2”
MAX
Non
combustible
floor protection.
This protection must
offer an R value of 0.4 (two
layers of 1/2” thick cement board, total 1” with each layer rated with an
R value of 0.2).
For temperature requirements, the enclosure space around and
above the heater must be left unobstructed.
Centerline of
heater opening
2”
4 7/8”
1 7/8”
7 1/8”