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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
8
ENSURE THAT THE FRONT GLASS PANEL IS IN
PLACE AND SEALED DURING ADJUSTMENT.
To install the front glass enclosure panel,
proceed as follows:
1. Retrieve the glass door frame. Visually
inspect the gasket on the backside of the
panel. The gasket surface must be clean, free
of irregularities and seated firmly.
These are direct-vent appliances. They are
designed to operate only with the front glass
enclosure panel properly installed. Gener-
ally, the glass enclosure panel should not be
removed except to gain access to the com-
ponents within the firebox, and the appli-
ance may only be operated without the front
glass enclosure panel in place for very brief
periods of time during initial appliance check-
out and adjustment.
During this appliance checkout and adjust-
ment period, a potential safety hazard exists
- EXERCISE EXTREME CAUTION to prevent
the occurrence of any burn injuries from the
exposed flames or hot surfaces. Also note,
that while the front glass enclosure panel is
removed, the flame appearance will appear to
be smaller than normal.
WARNING: NO NOT ATTEMPT TO SUB-
STITUTE THE MATERIALS USED ON THIS
DOOR, OR REPLACE CRACKED OR BRO-
KEN GLASS WITH ANY MATERIALS
OTHER THAN THOSE PROVIDED BY THE
APPLIANCE MANUFACTURER.
Refer to
Figure 7
and remove the front glass
enclosure panel as follows:
1. Remove the cast iron, arched or rectangular
face kit.
CAUTION: DO NOT ATTEMPT TO REMOVE
UNTIL THE FACEPLATE IS COOL.
A) Cast Iron Face Kit:
1. Lift the top arched piece up and pull directly
out.
2. Lift the bottom piece up and pull directly
out.
3. Lift the side pieces up and pull directly out.
B) Arched or Rectangular Face Kit:
1. Lift the face assembly up and pull directly
out.
2. Locate the two (2) latches at the top of the
control compartment and disengage them from
the door frame's bottom Vee-flange, pulling
down on their handles to open them.
3. Swing the bottom of the door out and raise
it slightly to lift the top flange of the door frame
away from the appliance.
Figure 7
Latch
Latch
Glass Door
Firebox Floor
Bottom Vee-flange
Door Frame
Top Flange
Door Frame
Vent Restrictor
Adjustment Rod
Flame Appearance and Sooting
Proper flame appearance is a matter of taste.
Generally most people prefer the warm glow of
a yellow to orange flame. Appliances operated
with air shutter openings that are too large will
exhibit flames that are blue and transparent.
These weak, blue and transparent flames are
termed anemic. If the air shutter opening is too
small sooting may develop.
Sooting is indicated by black puffs developing
at the tips of very long orange flames. Sooting
results in black deposits forming on the logs,
appliance inside surfaces and on exterior sur-
faces adjacent to the vent termination. Sooting
is caused by incomplete combustion in the
flames and a lack of combustion air entering the
air shutter opening.
To achieve a warm yellow to orange flame with
an orange body that does not soot, the shutter
opening must be adjusted between these two
extremes. No smoke or soot should be present.
Reposition the logs if the flames impinge on
any of them.
If the logs are properly positioned and sooting
conditions exist, the air shutter opening on the
main burner tube should be adjusted. Normally,
the more offsets in the vent system, the greater
the need for the air shutter to be opened further.
Front Glass Enclosure Panel, Removal
and Installation.
2. Position the door frame in front of the
firebox opening and engage the top flange
over the lip at the top of the firebox opening.
3. Swing the door down and back. Ensure the
gasket seats evenly as the door draws shut.
Engage the Vee-flange at the bottom of the
door with the latches and close the latches to
secure the door.
4. Hook the cast iron, arched or rectangular
facade onto the face of the fireplace.
Burner Adjustments
The following paragraphs address burner ad-
justment concerns and procedures.
WARNING: NEVER OPERATE THE AP-
PLIANCE WITHOUT THE GLASS ENCLO-
SURE PANEL IN PLACE AND SECURE.
DO NOT OPERATE APPLIANCE WITH THE
FRONT GLASS PANEL CRACKED, BRO-
KEN OR MISSING. REPLACEMENT PAN-
ELS ARE AVAILABLE THROUGH YOUR
LOCAL LENNOX DEALER AND MUST BE
INSTALLED BY A LICENSED OR QUALI-
FIED SERVICE TECHNICIAN.
WARNING: HANDLE THE GLASS WITH
EXTREME CARE! TEMPERED GLASS IS
SUSCEPTIBLE TO DAMAGE (SCRATCHES,
FOR EXAMPLE) – HANDLE GLASS DOOR
(GLASS ENCLOSURE PANEL) GENTLY
WHILE REINSTALLING IT.
WARNING: DO NOT OPERATE APPLI-
ANCE WITH THE GLASS FRONT RE-
MOVED, CRACKED OR BROKEN. RE-
PLACEMENT OF THE GLASS SHOULD
BE DONE BY A LICENSED OR QUALI-
FIED SERVICE PERSON.
WARNING: AIR SHUTTER ADJUSTMENT
SHOULD ONLY BE PERFORMED BY A
QUALIFIED PROFESSIONAL SERVICE
TECHNICIAN.