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107902-01D
12
For more information, visit www.desatech.com
For more information, visit www.desatech.com
OFF
PILOT
IGNITOR
LOW
HIGH
OPERATING HEATER
Continued
TO TURN OFF GAS
TO APPLIANCE
1. Remove front panel (see Figure 10, page 8).
2. Follow steps 1 through 5 under Lighting Instructions,
page 11.
3. With control knob pressed in, strike match. Hold match to
pilot until pilot lights.
4. Keep control knob pressed in for 30 seconds after pilot is
lit. After 30 seconds, release control knob. Follow step 8
under Lighting Instructions, page 11.
5. Replace front panel.
Shutting Off Heater
1. Turn control knob clockwise
Clockwise
to the PILOT position.
2. Press in control knob and turn clockwise
Clockwise
to the
OFF position.
Shutting Off Burner Only (pilot stays lit)
Turn control knob clockwise
Clockwise
to the PILOT position.
MANUAL CONTROL INFRARED MODELS
1. STOP! Read the safety information starting in columm 1.
2. Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise to the OFF position.
4. Wait five (5) minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas, STOP! Fol-
low “B” in the safety information, starting column 1. If
you don’t smell gas, go to the next step.
5. Press in control knob, and turn counterclockwise to
pilot position. Keep control knob pressed for five seconds.
Note:
You may be running this heater for the first time
after hooking up to gas supply. 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.
• If control knob does not pop up when released, contact a
qualified service person or gas supplier for repairs.
6. With control knob pressed in, push down and release ignitor
button. This will light pilot. The pilot is attached to the front of
burner. If needed, keep pressing ignitor button until pilot lights.
Note:
If pilot does not light, refer to Troubleshooting, pages
17 through 19. Also contact a qualified service person or
gas supplier for repairs. Until repairs are made, light pilot
with match, see Manual Lighting Procedure, page 13.
7. Keep control knob pressed in for 10 seconds after lighting
pilot. After 10 seconds, release control knob.
Note:
If pilot goes out, repeat steps 3 through 7.
Figure 20 - PilotFigure 19 - Control Knob In
The OFF Position
MANUAL LIGHTING
PROCEDURE
Piezo Ignitor
Button Control Knob
Thermocouple
Ignitor Electrode
Pilot
Burner
OPERATING HEATER (Manual Control Blue Flame Models)
To Turn Off Gas To Appliance
Manual Lighting Procedure
OPERATING HEATER (Manual Control Infrared Models)
For Your Safety Read Before Lighting
Lighting Instructions
FOR YOUR SAFETY READ
BEFORE LIGHTING
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing prop-
erty 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 supplier, call the fire de-
partment.
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 techni-
cian 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 under water.
LIGHTING
INSTRUCTIONS