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Burner
Venturi
Tube
Air
Shutter
Door
Air Shutter
Opening
Natural Gas Slot
(A dimple or hole
identifies the natural
Propane Gas Slot
Air Shutter
Adjusting
Rod
Orifice
Decrease Shutter Opening In This Direction
Increase Shutter Opening In This Direction
M
A
N I
B
U
R
N
E
R
A F
C
T
O
R
Y
S
H
U
T
E T
R
O
P
E
N
N I
N
a
u t
l a r
G
s a
M
o
e d
s l
n i
h c
s e
(
m
m
)
₈ ⁄ ¹
E
D
5 4
0 4
2 -
(
) 3
Figure 5
Log Placement
WARNING: LOGS GET VERY HOT AND
WILL REMAIN HOT UP TO ONE HOUR
AFTER GAS SUPPLY IS TURNED OFF.
HANDLE ONLY WHEN LOGS ARE COOL.
TURN OFF ALL ELECTRICITY TO THE
APPLIANCE BEFORE YOU INSTALL
GRATE AND LOGS.
WARNING: THIS APPLIANCE IS NOT
MEANT TO BURN WOOD. ANY ATTEMPT
TO DO SO COULD CAUSE IRREPARABLE
DAMAGE TO YOUR APPLIANCE AND
PROVE HAZARDOUS TO YOUR SAFETY.
WARNING: THE SIZE AND POSITION OF
THE LOG SET WAS ENGINEERED TO GIVE
YOUR APPLIANCE A SAFE, RELIABLE
AND ATTRACTIVE FLAME PATTERN. ANY
ATTEMPT TO USE A DIFFERENT LOG SET
IN THE FIREPLACE WILL VOID THE WAR-
RANTY AND WILL RESULT IN INCOM-
PLETE COMBUSTION, SOOTING, AND
POOR FLAME QUALITY.
Figure 6
gas slot)
Carefully position the ceramic fiber logs and
Air Shutter
twigs over the burner as shown in Figure 6 .
Adjusting Arm
Refer to the detailed log placement instruc-
tions provided in the LOG PLACEMENT GUIDE
accompanying this document.
Proper twig placement is critical to prevent
sooting. Twigs should be placed in the gaps
between the flame peaks and should be posi-
tioned so that at no time they impinge the
flames.
Rockwool (Glowing Embers) Placement
Remove the replacement rockwool from the
packaging and tear into nickel size pieces
G
S
E
T T
N I
G
( Figure 7 ). Spread on and along the length of
P
o r
a p
e n
G
s a
the front burner section. Do not use more than
n i
h c
s e
(
m
m
)
is necessary. Too many nickle-sized pieces on
₈ ⁄ ⁵
1 (
. 5
) 8
the front burner section will cause poor com-
bustion.
When properly positioned, the rockwool will
unevenly cover approximately 65% of the front
burner with no appreciable gaps or openings.
Do not place ember materials over large ports
- refer to the LOG PLACEMENT GUIDE.
Figure 7
Vermiculite Placement
Mound up a portion of the vermiculite (with a
mixture of black and gray ceramic fiber chunks)
in front of burner and grate. Taper off mound to
the front and at the sides. Spread the remaining
vermiculite evenly over the bottom surface of
the appliance firebox bottom plate as desired
to achieve an esthetically pleasing appearance.
For best results, spread in a non-uniform man-
ner while ensuring complete coverage of the
tan sheetmetal surface.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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 (ther-
mopile) and the top ¹⁄₈" min (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 8.
To light the burner, refer to the lighting instruc-
tions on pages 11 and 12.
MILLIVOLT
Hood
SIT
Thermocouple
Pilot
Nozzels
Thermopile
Figure 8
Electronic Appliance Checkout
To light the burner, refer to the lighting instruc-
tions on page 13 and 14 . Ensure the ignitor
lights the pilot. The pilot flame should engulf the
flame sensor as shown in Figure 9 .
ELECTRONIC
3/8 To 1/2 Inch
(9 mm to 13 mm)
Proper Flame
Adjustment
Pilot
Nozzle
Figure 9
With proper care and maintenance, your appli-
ance will provide many years of enjoyment. If you
should experience any problem, first refer to the
trouble shooting guide in this manual. If problem
persists, contact your Lennox distributor.
Ignitor Rod
³⁄₈" Min
(9 mm)
Ground
Electrode
Flame Rod
Hot Surface
Igniter
7
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