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Burner Flame Adjustments
WARNING
• Air shutter adjustment should
only be performed by a quali-
fied professional service tech-
nician.
• Ensure glass enclosure panels
are in place and sealed during
adjustment.
CAUTION
• Soot will be produced if the
air shutter is closed too much.
Any damage due to sooting,
resulting from improperly
setting the air shutter, is not
covered under the warranty.
• The air shutter door and
nearby appliance surfaces
are hot. Exercise caution to
avoid injury while adjusting
flame appearance.
1. Refer to Figure 11 for proper flame ap-
pearance. To adjust the flame, rotate the
adjustment rod toward the back or toward
the front of the fireplace (rod located in the
lower control area). Position the air shutter
to the factory setting as shown in the table
in Figure 12.
2. Light appliance (follow lighting procedure on
lighting label in control compartment or see
lighting instructions on Pages 26 through
29).
3. Allow the burner to operate for at least 15
minutes while observing the flame continu-
ously to ensure that the proper flame ap-
pearance has been achieved. If the following
conditions are present, adjust accordingly.
• If flame appears weak or sooty, adjust
the air shutter, incrementally, to a more
open position until the proper flame
appearance is achieved.
• If flame remains blue, adjust the air
shutter, incrementally, to a more closed
position until the proper flame appear-
ance is achieved.
4. Leave the control knob (off/pilot/on) in the
ON position (millivolt appliances) and the
burner OFF/ON switch OFF (and remote
switches, if applicable).
5. When satisfied that the burner flame appear-
ance is normal, re-install the lower control
compartment door.
Air Shutter
Adjusting
Rod
Increase Shutter
Opening In This
Direction
Decrease Shutter
Opening In This
Direction
Note - Burners are omitted in this view for clarity.
M
A
N I
B
U
R
N
E
R
F
F
F
F
A
A
A
A
C
C
C
C
T
T
T
T
O
O
O
O
R
R
R
R
Y
Y
Y
Y
S
S
S
S
H
H
H
H
U
U
U
U
T
T
T
T
E T
E T
E T
E T
R
R
R
R
S
S
S
S
E
E
E
E
F
A
C
T
O
R
Y
S
H
U
T
E T
R
S
E
N
a
u t
l a r
G
s a
M
o
e d
s l
n i
h c
s e
(
m
m
)
E
B
V
S
T
/ 1
6 1
(
. 1
) 5
E
B
V
F P
Adjustment Rod Positions (when viewed from above)
Figure 12
Millivolt Appliance Checkout
The pilot flame should be steady, not lifting
or floating. Flame should be blue in color with
traces of orange at the outer edge.
The top 3/8" (10 mm) at the pilot generator
(thermopile) and the top 1/8" minimum (tip)
of the quick drop out thermocouple should be
engulfed in the pilot flame.
The flame should project 1" (25 mm) beyond
the hood at all three ports (see Figure 13).
Replace logs if removed for pilot inspection.
To light the burner; turn "ON" the control
switch and rotate the gas valve control knob
counterclockwise to the "ON" position ("ON"
will be at the top side of the valve).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
MILLIVOLT
Thermocouple
Orifice
Pilot
Nozzels
Figure 13
Electronic Appliance Checkout
T T
T T
T T
T T
N I
N I
N I
N I
G
G
G
G
T T
N I
G
To light the burner, turn 'ON' the unit mounted
P
o r
a p
e n
On/Off switch or the optional control switch.
G
s a
Ensure the igniter lights the pilot. The pilot
n i
h c
s e
flame should engulf the flame rod as shown
(
m
m
)
in Figure 14.
/ 7
6 1
(
1 1
)
ELECTRONIC
Proper Flame
Adjustment
Pilot
Nozzle
Figure 14
Hood
Igniter Rod
3/8" Min
(9 mm)
Thermopile
3/8" to 1/2"
(9 mm to 13 mm)
Ground
Electrode
Flame Rod
Hot Surface
Igniter
17
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