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Heatilator • NNXT33-IFT, NNXT33L-IFT, NNXT36-IFT, NNXT36L-IFT Owner’s Manual • 2628-981 Rev. D • 1/21
CONTROL CAVITY
3.5 Battery Pack Location
NOTICE:
Some functionality will be lost when using battery
backup including fan, lights, or any other auxiliary functions
that require household 110-120 VAC power.
J. Operation During A Power Outage
The IntelliFire Touch
®
intermittent pilot ignition system
comes with a battery backup system that enables the
system to operate in a power outage. The system offers
seamless transition from household AC power to battery
backup. A factory-installed battery pack is located in the
control cavity of the appliance. See Figure 3.5. Battery
longevity and performance will be affected by long term
exposure to the service temperatures of this appliance.
NOTICE:
Batteries should only be used as a power source
in the event of an emergency power outage. Batteries
should not be used as a primary long-term power source.
Batteries tend to corrode over time.
To Operate Fireplace Using Battery Power (DC):
1. Access the control cavity of the appliance. See Figure
3.5 for location. The decorative barrier front and front
refractory may need to be removed.
2. Locate the battery tray and insert four AA cell batteries.
Battery polarity must be correct or module damage
will occur. See Figure 3.5. A complete wiring diagram
is included in the Electrical section of the appliance
Installation Manual.
3. Turn the appliance on according to the instructions
below for the appropriate type of control:
Wall Switch /ON/OFF Switch:
• Toggle the switch as you would under normal
circumstances.
Wireless Remote:
• Remote receiver is integrated into the ignition module
• Use the remote to turn the appliance on.
• To preserve battery life, do not use the HI/LO flame or
THERMOSTAT options.
Ignition Module:
• Locate the ignition module in the control cavity.
• Slide the ON/REMOTE/OFF switch to the ON position.
To Return to Operation Using Electrical (AC) Power
Wall Switch / ON/OFF Switch:
• Toggle the switch to OFF and remove the batteries
from the battery tray. Replace door or decorative
barrier front on appliance.
Wireless Remote:
• Slide the ON/REMOTE/OFF switch to the REMOTE
position. Remove the batteries from the battery tray.
Replace door or decorative barrier front on appliance.
Ignition Module:
• Slide the ON/REMOTE/OFF switch to the REMOTE
position.
Remove the batteries from the battery tray. Replace
door or decorative barrier front on appliance.