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H. Place the Lava Rock
Place the lava rock in an even layer just heavy enough to
cover the metal surface. Stay within the zone indicated
in Figure 11.3. It is not necessary to use the entire bag.
Save the remaining amount for future use.
I. Place the Vermiculite
Spread vermiculite in a light, even pattern on top of lava
rock. Stay within the zone indicated in Figure 11.3. It is
not necessary to use the entire bag. Save the remaining
amount for future use.
J. Install Control Heat Shield
The control heat shield MUST be placed over the control
plate before operating the appliance. Not doing so may
result in overheating the controls on the plate.
•
Verify that the control heat shield is installed and legs
are on bottom pan of appliance. See Figure 11.4.
Control Heat Shield in Place
Figure 11.4
Control Heat Shield - Installed
•
Make sure all wires are under the top of the control heat
shield and that there are no wires pinched between legs
and the bottom pan.
K. Install Fixed Glass Assembly
WARNING! Risk of Asphyxiation! Handle fixed glass
assembly with care. Inspect the gasket to ensure it is
undamaged and inspect the glass for cracks, chips or
scratches.
• DO NOT strike, slam or scratch glass.
• DO NOT operate fireplace with glass removed, cracked,
broken or scratched.
• Replace as a complete assembly.
•
Set the glass panel on the lower two glass assembly
latches, ensuring the glass panel is centered in the
opening.
•
Replace glass latches.
Heatilator • NNXT4236IF-B, NNXT4236ILF-B, NNXT3933IF-B, NNXT3933ILF-B Installation Manual • 2384-980 Rev. J • 6/17
L. Install Decorative Front
WARNING! Risk of Fire! Install ONLY doors or fronts
approved by Hearth & Home Technologies. Unapproved
doors or fronts could cause fireplace to overheat.
This fireplace has been supplied with an integral
barrier to prevent direct contact with the fixed glass
panel. DO NOT operate the fireplace with the barrier
removed.
Contact your dealer or Hearth & Home Technologies if
the barrier is not present or help is needed to properly
install one.
For more information refer to the instructions supplied with
your decorative front.
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