www.desatech.com
119346-01B
14
OPERATING HEATER
Continued
Figure 21 - Pilot
Ignitor
Electrode
Pilot
Burner
Thermocouple
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 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. 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
1. STOP! Read the safety information start
-
ing on page 13.
2. Make sure equipment shutoff valve is fully
open.
3. Turn off any electric power to the appli
-
ance if service is to be performed.
4. Turn control knob clockwise
to the
OFF position.
5. Wait five 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 starting on page 13. If you don’t
smell gas, go to the next step.
6.
Thermostat Models:
Turn control knob coun
-
terclockwise
to the PILOT position.
Press in control knob for five (5) seconds.
Manual Models:
Press in and turn control
knob counterclockwise
to the PI
-
LOT position. Keep control knob pressed
in for five (5) seconds.
7. With control knob pressed in, push down
and release ignitor button. This will light
pilot. The pilot is attached to the front of
burner.
Note:
You may be running this
heater for the first time after hooking up to
gas supply. If so, you may need to press in
control knob for 30 seconds or more. This
will allow air to bleed from the gas system.
If needed, keep pressing ignitor button until
pilot lights. If ignitor does not light pilot, refer
to
Troubleshooting
, page
18 or 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 15.
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 up when
released, contact a qualified service
person or gas supplier for repairs.
Note:
If pilot goes out, repeat steps 4 thru
7. Thermostat models have a safety inter
-
lock system. Wait one (1) minute before
lighting pilot again.
9. Turn control knob counterclockwise
to desired heating level. The main burner
should light. Manual control heaters
should be used in locked positions.
WARNING: Always operate
manual control heaters at the
locked positions. Operation
between these positions may
create a possible health hazard
if used in a poorly ventilated
room. Read owner’s manual for
complete instructions.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Ignitor Button
Control
Knob
Figure 19 - Control Knob In The OFF
Position for Manual Control Models
Figure 20 - Control Knob In The OFF
Position for Thermostat Models
OF
F
P
ILO
T
Control
Knob
Ignitor
Button
