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Heatilator • NDV30-IFT, NDV33-IFT, NDV36-IFT, NDV36-IFT-NVR, NDV42-IFT Installation Manual • 2620-980 Rev. C • 8/20
10
10
Finishing
NOTICE:
Surface temperatures around the appliance will
become warm while the appliance is in operation. Ensure
finishing materials used for all surfaces (floor, walls,
mantels, etc.) will withstand temperatures up to 190
°
F.
Measured from top of hood or appliance opening (in inches).
Refer to Section 3.B for additional clearances to combustibles information.
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
5
5-1/2
6-1/4
7
7-3/4
8-1/2
9-1/4
10
10-3/4
11-1/2
12-1/4
13
13-3/4
14-1/2
15-1/4
16
30 in. minimum
to ceiling
B. Combustible Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as specified. Framing closer than the minimums list-
ed must be constructed entirely of
non-combustible
materi
-
als (i.e., steel studs, concrete board, etc.).
Note:
All
measurements
in inches.
Combustible Mantels
Figure 10.2 Combustible Mantel Leg or Wall Projections
(Acceptable on both sides of opening)
Combustible Mantel Legs or Wall Projections
Figure 10.1 Minimum Vertical and Maximum Horizontal
Dimensions for Combustible Mantels
Note:
Mantel Measurement is taken from top of the
opening, NOT the top of the fireplace.
MANTEL LEG OR
PERPENDICULAR WALL
TOP OF
APPLIANCE
DRYWALL
FIREPLACE
OPENING
See Dimension B on
Appliance Dimension
Diagram.
UNLIMITED
STOP FINISHING MATERIAL
FLUSH WITH OUTSIDE EDGE
OF APPLIANCE.
1 in. (max)
1 in.
(min)
3-1/2 in.
(min)
Risk of Fire!
DO NOT
apply combustible materials beyond the min-
imum clearances.
Comply with all minimum clearanc-
es to combustibles as specified in this manual.
Ma
-
terials overlapping into non-combustible zones could
ignite and will interfere with air flow through decorative
barrier fronts.
• Metal front of appliance may be covered with non-
combustible materials only.
• Facing and/or finishing materials must not interfere
with air flow through
decorative barrier fronts, removal
of decorative barrier fronts or access for service.
• Facing and/or finishing materials must never
overhang into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal gaps between the finished wall and appliance
top and sides using a 300 ºF minimum sealant.
WARNING
A. Facing Material