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8. Partially press down control knob and
turn counterclockwise
the downward pressure on the knob while
continuing to turn until the knob locks at
the locked ON position. The main burner
should light. Do not operate between
locked positions.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
1. STOP! Read the safety information on
page 14.
2. Make sure equipment shutoff valve is fully
open.
3. Turn control knob clockwise
OFF position.
4. Wait five (5) minutes to clear out any air.
Then smell for gas, including near the
floor. If you smell gas, STOP! Follow "B"
in the safety information, page 16. If you
do not smell gas, go to the next step.
5. Turn control knob counterclockwise
to the PILOT position. Press in control
knob for five (5) seconds (see Figure 17).
Note: The first time that the heater is oper-
ated after connecting the gas supply,the
control knob should be pressed for about
thirty (30) seconds. This will allow air to
bleed from the gas system. If pilot does not
stay lit, refer to Troubleshooting, pages 19
though 21. Also contact a qualified service
technician or gas supplier for repairs. Until
repairs are made, light pilot with match.
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 stay lit, refer to
Troubleshooting, pages 19 though 21.
Also contact a qualified service technician
or gas supplier for repairs. Until repairs
are made, light pilot with match. To light
pilot with match, see Manual Lighting
Procedure.
7. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob. If control
200314-01D
OPERATION
. Release
THERMOSTAT MODEL
LIGHTING INSTRUCTIONS
to the
www.usaprocom.com
Ignitor Electrode
Thermocouple
Figure 17 - Pilot
knob does not pop up when released,
contact a qualified service technician or
gas supplier for repairs.
Note: If pilot goes out, repeat steps 3
through 7. This heater has a safety inter-
lock system. Wait one (1) minute before
lighting pilot again.
8. Turn control knob counterclockwise
to desired heating level. The main burner
should light. Set control knob to any heat
level between HI and LO.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Ignitor Button
IGNITOR
Figure 18 - Control Knob in the OFF
Position
Ignitor Electrode
Thermocouple
Figure 19 - Pilot
Pilot Burner
Control Knob
Pilot Burner
15
