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2. Second Stage
The next stage of burning, the secondary stage, is the
period when the wood gives off flammable gases which
burn above the fuel with bright flames. During this stage of
burning it is very important that the flames be maintained
and not allowed to go out. This will ensure the cleanest
possible fire. If the flames tend to go out, it is set too low for
your burning conditions. The air control located at the upper
right hand corner is used to adjust for burn rates. This is
called the Burn Rate Air Control (Figure 11.1).
3. Final Stage
The final stage of burning is the charcoal stage. This occurs
when the flammable gases have been mostly burned and
only charcoal remains. This is a naturally clean portion of
the burn. The coals burn with hot blue flames.
It is very important to reload your appliance while enough
lively hot coals remain in order to provide the amount of
heat needed to dry and rekindle the next load of wood. It
is best to open the Burn Rate Air and Start-Up Air Controls
before reloading. This livens up the coal bed and reduces
excessive emissions (opacity/smoke). Open door slowly so
that ash or smoke does not exit appliance through opening.
You should also break up any large chunks and distribute
the coals so that the new wood is laid on hot coals.
Air quality is important to all of us, and if we choose to
use wood to heat our homes we should do so responsibly.
To do this we need to learn to burn our appliances in the
cleanest way possible. Doing this will allow us to continue
using our wood appliances for many years to come.
D. Automatic Combustion Control (ACC)
Typically, when you build a fire, you open the air controls
fully and monitor the fire to prevent it from going into an
over fire situation and/or burning your wood up too quickly
before you shut down the air controls to the desired burn
rate. With the Automatic Combustion Control (ACC)
system, you do not have to continually monitor the fire.
Once you set the ACC system it will control the fire for you.
Follow the instructions below to learn how to operate your
appliance with ease.
Figure 11.1
August 13, 2018
E. Air Controls
1. Burn Rate Air Control
This air supply enters at the upper front of the firebox,
near the top of the glass door. This preheated air
supplies the necessary fresh oxygen to mix with the
unburned gases, helping to create second, third and
fourth combustions. This air is regulated by the Burn
Rate Air Control. When the control is moved all the way
to the left it is on the High setting and when moved
all the way to the right it is on the Low setting (Figure
11.1).
2. Start-Up Air Control
The Start-Up Air Control function is to activate the
Automatic Combustion Control system (ACC). This
function is performed by pushing the control all the way
back until it stops and then pulling forward to the front
of the appliance until it stops. This activates the ACC
system and opens the front air channel and allows air
to enter the front of the appliance for approximately
25 minutes. The front air channel gradually shuts
down until it is completely closed at the end of the 25
minutes. The fire is now controlled by the air supplied
by the Burn Rate Air Control. This function should be
performed each time you reload the appliance. Start up
air can be locked open for High burn setting if desired;
see page 10 for instructions (Figure 11.1).
3. Manual Timer Over-Ride
If you need to shut the ACC system off before it shuts
itself off after 25 minutes (i.e. over fire situation), reach
down to the bottom right and pull the lever toward you
(Figure 11.2).
Burn Rate Control
Figure 11.2
ACC Control
7060-227J
CAUTION
Injury Risk.
•
Gloves recommended
Explorer III Wood Stove
11
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