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DESA INTERNATIONAL
UNVENTED NATURAL GAS LOG HEATER
OPERATING
HEATER
Thermostat-Controlled
Models
FOR YOUR SAFETY
READ BEFORE
LIGHTING
WARNING: If you do not fol-
low these instructions exactly, a
fire or explosion may result caus-
ing property damage, personal
injury or loss of life.
A. This appliance has a pilot which must
be lighted by hand. When lighting the
pilot, follow these instructions exactly.
B. BEFORE LIGHTING smell all
around the appliance area for gas. Be
sure to smell next to the floor because
some gas is heavier than air and will
settle on the floor.
WHAT TO DO IF YOU SMELL
GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor's phone. Follow
the gas supplier's instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
C. Use only your hand to push in or turn
the gas control knob. Never use tools.
If the knob will not push in or turn
by hand, don't try to repair it, call a
qualified service technician or gas
supplier. Force or attempted repair
may result in a fire or explosion.
D. Do not use this appliance if any part
has been under water. Immediately
call a qualified service technician to
inspect the appliance and to replace
any part of the control system and
any gas control which has been un-
der water.
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 running heater.
NOTICE: During initial operation
of new heater, burning logs will
give off a paper-burning smell.
Orange flame will also be present.
Open damper or window to vent
smell. This will only last a few hours.
Note: Home owners generally prefer to
operate 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 chim-
ney 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
above.
2. Make sure manual shutoff valve is
fully open.
3. Turn control knob clockwise
to the OFF position.
Ignitor Button
Figure 20 - Control Knob and Ignitor
Button Location
14
4. 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 in-
formation above. If you don't smell
gas, go to the next step.
5.
Turn control knob counterclockwise
C-clockwise
Press in control knob for five (5) sec-
onds (see Figure 20).
Note: You may be running this
heater for the first time after hook-
ing up to gas supply. If so, the con-
trol knob may need to be pressed in
for 30 seconds or less. This will allow
air to bleed from the gas system.
6.
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 press-
ing ignitor button until pilot lights.
Note: If pilot does not stay lit, con-
tact a qualified service person or gas
supplier for repairs. Until repairs are
made, light pilot with match. To light
pilot with match, see Manual Light-
ing Procedure on page 15.
7.
Keep control knob pressed in for 30
seconds 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
3 through 7. This heater has a safety
interlock system. Wait one (1) minute
for system to reset before lighting
pilot again.
8.
Turn control knob counterclockwise
C-clockwise
burners should light. Set control
knob to any heat level between HI
Clockwise
and LO.
Thermocouple
Control Knob
Figure 21 - Pilot
to the PILOT position.
to desired heating level. The
Ignitor Electrode
Pilot Burner
104414
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