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OPERATING HEATER
Continued
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 appliance
if service is to be performed.
4. Turn control knob clockwise
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:
terclockwise
Press in control knob for five (5) seconds.
Manual Models:
knob counterclockwise
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 press-
ing ignitor button until pilot lights. If ignitor
does not light pilot, refer 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 seconds
after lighting pilot. After 30 seconds, release
control knob.
• If control knob does not pop up when re-
leased, 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 interlock
system. Wait one (1) minute before lighting
pilot again.
9. Turn control knob counterclockwise
desired heating level. The main burner should
light. Manual control heaters should be used
in locked positions.
117001-01B
Turn control knob coun-
to the PILOT position.
Press in and turn control
to the PILOT
www.desatech.com
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.
to the
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Ignitor Button
Figure 17 - Control Knob In The OFF
Position for Manual Control Models
Ignitor
Button
Figure 18 - Control Knob In The OFF
Position for Thermostat Models
Thermocouple
Shutting Off Heater
1. Turn control knob clockwise
OFF position.
2. Turn off all electric power to the appliance if
service is to be performed.
Shutting Off Burner Only (pilot stays lit)
to
Turn control knob clockwise
position.
Control
Knob
Control
Knob
Ignitor Electrode
Figure 19 - Pilot
TO TURN OFF GAS
TO APPLIANCE
Pilot
Burner
to the
to the PILOT
1
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