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September 1, 2008
7036-135E
Page 25
Mt. Vernon Pellet Insert (AE)
E. Fire Characteristics and Flame Height
Adjustment
A properly adjusted fire with the heat output on HIGH has an
active flame pattern that extends out of the firepot approxi-
mately 8 inches (203mm).
If the fire has tall flames with black tails and seems some-
what lazy, the flame height will need to be reduced. If
the fire is not 8 inches (203mm) tall, the flame height will
need to be increased. A medium and low setting will give
a shorter flame.
The flame will rise and fall somewhat. This is normal.
With your appliance in Manual mode and the heat output
level set to High, adjust the flame height using the FLAME
HEIGHT ADJUST screen under USER SETTINGS on the
wall control. Figure 25.1.
Figure 25.1
F. Battery Back-up System (Optional)
The appliance has been designed to operate on an optional
battery back-up system. If you have frequent power outages
in your region, hook the appliance up to a 12 volt battery and
it will automatically switch to battery power in the event of
power failure. There will be a battery icon that appears on
your wall control to let you know you are now operating on
battery power.
Once you are operating on battery power, you must manually
light the fire in the appliance as it will no longer automatically
light. Use only approved fire starting gel to start the fire. The
high burn rate is no longer available on battery back-up as
each level drops down one level. For example; the high burn
becomes medium high burn and so on.
We recommend a 12 volt deep cycle battery, (i.e., marine
or RV type). If the battery charge falls below 10 volt it can
no longer sustain the appliance operation and the appliance
will shut down. A 12 volt battery cable is available through
your local dealer.
• Hook up to battery terminals BEFORE you
plug battery into the appliance.
• Damage to internal electronic components
may occur.
CAUTION
G. Ignition Cycles
The Advanced Energy engine is controlled by the digital wall
control. The digital display on the wall control will tell you
what your appliance is doing in the upper left corner, above
the line.
Every time the thermostat calls for heat, the appliance steps
through five cycles:
1. Ignition cycle
2. Soft-start cycle
3. Heating cycle
4. Shut down cycle
5. Cleaning cycle
The duration and characteristics of these cycles may be dif-
ferent with each type of fuel selected.
1. Start-Up
During this cycle:
• The igniter turns on for 90 seconds to heat up the air
in the firepot
• The combustion blower starts
• Vacuum switch comes on
• Feed motor turns on adding fuel to the firepot and
the appliance waits for the fire to start
The duration of start-up depends on the type and quality of
fuel used. It is normal to see some smoke during the igni-
tion process as moisture evaporates and the fuel lights. The
smoke will stop once the fire starts.
If you are lighting your appliance for the first time the feed
tube is empty and it can take some time to fill it with fuel
before you will see a fire. To speed up this process, put a
handful of fuel in the firepot. You can also do this when you
have run your hopper dry.
2. SS-Low / SS-Med (Slow-Start Low, Slow-Start Medium)
Once the fire is lit, the appliance moves into the low soft-start
cycle as it continues to build the fire. In this cycle, more fuel
will be added. As the fire builds, the appliance will change to
medium soft-start mode and the heating cycle begins.
3. Auto / Man - L, ML, M, MH, H
There are two choices in the Automatic / Manual menu of
how your appliance will operate.
In Automatic Mode, the wall control will turn the heat output
level up or down depending on how far the room tempera-
ture is from the desired temperature. The digital display will
read AUTO:M as an example of automatic, medium level.
As the room temperature approaches the desired tempera-
ture, the appliance will turn down to lower settings. When
you change the appliance to Manual, set the heat output set-
ting from the main screen. The right bottom button will read
HEAT OUTPUT.