Place The Rockwool; Place The Lava Rock; Place The Vermiculite; Replacing Fixed Glass Assembly - Heatilator NDV3630 Owner's Manual

G. Place the Rockwool
WARNING! Risk of Explosion! Follow rockwool place-
ment instructions. DO NOT place rockwool directly over
burner ports. Replace rockwool material annually. Improp-
erly placed rockwool interferes with proper burner opera-
tion.
• Rockwool is shipped with this gas appliance.
• Place a small amount of 1/2 in. diameter pieces (dime-
size) rockwool on the burner pan so that the rockwool
touches, but does not cover, the holes in the burner
pan (refer to Figure 15.4). This will provide the "glowing
embers" look.
• It is not necessary to use the entire bag. Save the
remaining rockwool for future use.
H. Place the Lava Rock
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Place the lava rock in an even layer just heavy enough to
cover the metal surface. Stay within the zone indicated
in Figure 15.5. It is not necessary to use the entire bag.
Save the remaining amount for future use.
RISK OF EXPLOSION!
• Place lava rock according to instructions.
• Do NOT place lava rock on burner top.
• Do NOT place lava rock in a position that they may
fall into pilot area.
• Improperly placed lava rock interferes with proper
burner operation.
Delayed ignition could occur.
• Use ONLY Hearth & Home Technologies-approved
lava rock.
• Some models may not require use of entire contents
of bag.
Rockwool
Figure 15.5 Placement of Rockwool, Lava Rock and Vermiculite
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56
WARNING
BURNER
Lava Rock &
Vermiculite
Heatilator • Novus NDV Series • 4055-187 Rev. X • 6/13
I. Place the Vermiculite
Spread vermiculite in a light, even pattern on top of lava rock.
It is not necessary to use the entire bag. Save the remaining
amount for future use.
J. Replacing Fixed Glass Assembly
• Set the glass panel on the lower two or four glass
assembly latches, ensuring the glass panel is centered
in the opening.
• Replace glass latches. See Figure 15.4.
K. Air Shutter Setting
Air shutter setting should be adjusted by a qualifi ed in-
staller at the time of installation.
• The air shutter is set at the factory for minimum vertical
vent run.
• Adjust air shutter for longer vertical runs. See
Figure 15.6.
• Turn the thumbscrew to open and close.
Close
Figure 15.6 Adjusting Air Shutter
Open
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