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LIGHTING
INSTRUCTIONS
WARNING
• If fireplace has glass doors,
never operate this heater with
glass doors closed. If you op-
erate heater with doors closed,
heat buildup inside fireplace
will cause glass to burst. Also
if fireplace opening has vents
at the bottom, you must open
the vents before operating
heater.
• You must operate this heater
with a fireplace screen in
place. Make sure fireplace
screen is closed before run-
ning heater.
NOTICE: During initial operation
of new heater, burning logs will
give off a paper-burning smell.
Orange flame will also be pres-
ent. Open damper or window to
vent smell. This will only last a
few hours.
Note: Home owners generally prefer to oper-
ate their heater with the chimney damper
closed. This will put all the heat into the room.
However, there may be times you will desire
the full flames of the HI heat setting but will
find the heat output excessive. You can open
the chimney damper (if you have one) fully or
partially to release some of the heat.
WARNING: Damper handle
will be hot if heater has been
running.
1. STOP! Read the safety information,
page 16.
2. Make sure equipment shutoff valve is fully
open.
3. Set switch in the OFF position.
4. Press in and turn control knob clock-
wise
to the OFF position (see
Figure 18).
116412-01E
OPERATION
Continued
WARNING: Burners will come
on automatically within one min-
ute when the switch is in the ON
position after the pilot is lit.
5. Wait five (5) minutes to clear out any gas.
Then smell for gas, including near the
floor. If you smell gas, STOP! Follow "B"
in the safety information, page 16. If you
don't smell gas, go to the next step.
6. Press in and turn control knob counter-
clockwise
Press in control knob for five (5) seconds
(see Figure 18).
Note: You may be running this heater for
the first time after hooking up to gas sup-
ply. If so, the control knob may need to be
pressed in for 30 seconds or more. This will
allow air to bleed from the gas system.
7. With control knob pressed in, press and
release ignitor button. This will light pilot. The
pilot is attached to the front burner. If needed,
keep pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, contact a
qualified service person or gas supplier for
repairs. Until repairs are made, light pilot
with match. To light pilot with match, see
Manual Lighting Procedure, page 18.
8. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob.
• If control knob does not pop out when
released, contact a qualified service
person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4
through 8.
9. Slightly push in and turn control knob coun-
terclockwise
10. Wait one minute and switch selector
switch to the ON position to light burners.
Note: AUTO is only functional when using
GWMT1 or GWMS2 optional accessories.
Control Knob
Piezo Ignitor
Figure 18 - Control Knob and Ignitor
Button Location, Manual Controlled
www.desatech.com
to the PILOT position.
to the ON position.
Switch
Flame Adjustment Knob
17
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