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The appliance should be framed using 2x4 lumber. For the header and cripple studs above the appliance it
is recommended to use steel. The appliance must be secured to the fl oor in all cases. Use the pallet packing
brackets to secure to the fl oor. If ducting is to be installed, the minimum enclosure ceiling height is 84". With-
out ducting, the ceiling height may be brought down to a minimum of 72". However a appliance enclosure with
a height less than 84" must be provided with suffi cient air circulation to avoid a fi re hazard. Install ventilation
grilles (minimum openings of 40 sq. inches) at both fl oor and ceiling levels of the enclosure.
Do not place insulation into the enclosure around the appliance or the chimney. Combustible framing materials
must not be closer than 6" from the side of the appliance and 5" from the top of the appliance.
5.1 MINIMUM CLEARANCE TO COMBUSTIBLES
MAINTAIN THESE MINIMUM CLEARANCES TO COMBUSTIBLES:
Appliance framing:
Top Stand-Off
0"
Rear Stand-Off
0"
Side
6"
Appliance fi nishing:
Sides
6 3/4"
Top
6 3/4"
Factory Built Chimney
2"
Hot Air Gravity Ductwork Insulation 1"
*Base of appliance to ceiling 72"
*Base of appliance to enclosure top 72"
Enclosure must have ventilation Between 72" and 84"
*84" if installing optional hot air gravity vent system, NZ220 on the same fl oor as the appliance.
IN ORDER TO AVOID THE POSSIBILITY OF EXPOSED INSULATION OR VAPOUR BARRIER COMING
IN CONTACT WITH THE APPLIANCE BODY, IT IS RECOMMENDED THAT THE WALLS OF THE ENCLO-
SURE BE “FINISHED” (I.E.: DRYWALL/SHEETROCK), AS YOU WOULD FINISH ANY OTHER OUTSIDE
WALL OF A HOME. THIS WILL ENSURE THAT CLEARANCE TO COMBUSTIBLES IS MAINTAINED
WITHIN THE CAVITY.
!
WARNING
WA
L
L
WA
L
L
2” MINIMUM
TO CHIMNEY
45°
21”
21”
45°
26”
WA
LL
WA
LL
52”
38”
2” MINIMUM
TO CHIMNEY
6” MIN
74”
50 3/4” MIN
6” MIN*
* 6” MIN REQUIRED FOR FRAMING.
6 3/4” MIN REQUIRED FOR FINISHING MATERIAL.
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