Osburn OB01801 User Manual
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the door.
6.
Ideally the large kindling should be burned until a thick bed of red embers is obtained. At that
point, add cordwood fuel and continue to operate the draft control wide open until the fire is
well established. Once the firebox is hot, the draft control can be partially closed by moving
the knob to the left to adjust the intensity of the fire.
Use Table 3.4 to adjust the draft control to the desired burn rate:
Draft Settings
Burn Rate
Draft Setting
Low
Move Control left to end of travel.
Medium Low
Move Control right by 9/16” - 1” (14.3 – 25.4mm) from closed position.
Medium High
Move Control right by 7/8” - 1 3/4” (22.2 – 44.5mm) from closed position
High
Move Control to right hand end of travel.
Table 3.4
Closing the draft control down too soon will lower combustion efficiency, and may result in creosote
build-up in the chimney (which could lead to a future chimney fire).
C
AUTION
:
T
HE
A
DJUSTMENT
R
ANGE
S
HOULD
N
OT
B
E
A
LTERED
F
OR
I
NCREASED
F
IRING
F
OR
A
NY
R
EASON
.
Figure 3.4