www.desatech.com
13
117001-01E
Figure 19 - Pilot
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information,
page 12.
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, page 12. If you
don’t smell gas, go to the next step.
6.
Thermostat Models:
Turn control knob
counterclockwise
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, re
-
fer to
Troubleshooting
, page 16 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 14.
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.
Figure 17 - Control Knob In the OFF
Position for Manual Control Models
Figure 18 - Control Knob In the OFF
Position for Thermostat Models
OF
LO
T
Control
Knob
Ignitor
Button
OPERATION
Continued
Ignitor Button
Control
Knob
10. To turn off burner only and leave pilot lit,
turn control knob clockwise
to the
PILOT position.
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.
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the
OFF position.
2. Turn off all electric power to the appliance
if service is to be performed.
3. Close equipment shutoff valve (see Figure
14, page 12.
Thermocouple
Ignitor Electrode
Pilot Burner
