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BODEGA BAY WOOD INSERT
Page 18
August 20, 2008
R
435-1320B
AIR QUALITY AND YOUR QUADRA-FIRE INSERT
In recent years there has been an increasing concern about the quality of our air. Much of the blame for poor air quality has
been placed on the burning of wood for home heating. In order to improve this situation we at Quadra-Fire have developed
cleaner burning inserts that surpass the stringent requirements for emissions established by our governing agencies. Your
Bodega Bay Wood Insert, like any other appliance, must be properly operated in order to ensure that they perform the way
they are designed to perform. Improper operation and maintenance may cause any wood burning unit to release more
particulate, adversely affecting the environment.
The story of the Three Burning Stages . . .
It helps to know a little about the actual burn process, which entails three discernible burning stages. The rst stage is called
the kindling stage. During this stage the fuel reaches the boiling temperature of water, 212°F, evaporating the moisture
found to some degree in all wood.
Because the process takes heat from the insert during this initial drying stage, each new load of wood reduces the chances
for a good, clean burn. For this reason it is always best to burn dry, seasoned rewood, and operate the controls properly.
The bottom control on the right side of your insert is called the Start-Up Air Control and is used primarily during this rst
kindling stage of burning.
During the secondary stage, the wood gives off ammable gases which burn above the fuel with bright ames. These
ames above the fuel must be maintained until the third stage to ensure proper burning. During this stage you may adjust
your insert for a low burn rate. To achieve a low burn rate it is necessary to close down the air while still maintaining some
ames. If the ames tend to go out, the setting is too low. The Primary Control, located above the Start-Up Air Control, will
assist you in adjusting the insert for a low burn rate.
The third stage of burning is the charcoal stage. This happens when the ammable gases have been burned and the
charcoal remains. The coals burning with hot blue ames is a naturally clean portion of the burn. It is very important to
reload your insert while enough lively hot coals remain in order to provide the amount of heat needed to dry and rekindle the
next load of wood. Open up both controls for a short while before reloading to liven up the coal bed. You should also break
up any large chunks and distribute the coals so the new wood is laid on hot coals. Leave both controls open (close the
Start-Up-Air after 15 minutes) until the new wood load is burning well enough to maintain the secondary stage of burning
and then set the Primary Control to your desired heat output setting.
START-UP AIR SYSTEM
The combustion air enters at the rear of the rebox through the rear air tubes. This air supply is controlled by the Start-Up
Air Control. See Figure 18A.
PRIMARY AIR SYSTEM
The primary air enters at the upper front of the rebox near the top of the glass door. This preheated air supplies the neces-
sary fresh oxygen to mix with the unburned gases, helping to create second, third and fourth stages of combustion. This
air is regulated by the Primary Air Control. For more primary air (more heat), push rod in. For less primary air (less heat),
pull rod out. See Figure 18A.
In other words . . .
Pulling either control towards you closes off the air available to the insert in that area. Pushing either control opens it, allow-
ing air circulation to the area. A good analogy to remember for this procedure is the gas pedal on your car. Pushing in the
gas pedal makes the engine run faster. Letting off (pulling the control back) makes the car run slower.
Primary Air Control
Start-Up Air Control
Figure 18A
OPEN - PUSH IN
CLOSE - PULL OUT