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14D2099
WARNING
WARNING
WARNING
OPERATING INSTRUCTIONS
THERMOSTATIC CONTROL LIGHTING INSTRUCTIONS
1. STOP! Read the safety information .
2. Make sure the manual shutoff valve is fully open.
3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot.
4. Refer to Figure 28, page 26 for the location of the piezo ignitor and control knob. Turn control knob clock-
wise to the OFF position.
5. Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP!
Follow safety instructions under “WHAT TO DO IF YOU SMELL GAS”, page 26. If you do not smell gas,
go to the next step.
6. Turn the gas control knob counterclockwise to the IGN position. See Figure 33. Push in and hold
control knob for 5 seconds.
7. With the control knob pushed in and held, push and release the piezo ignitor button to light the ODS pilot.
The pilot is located on the right side of the heater, behind the front log and in front of the main burner. If piezo
ignitor does not light the pilot, refer to “MATCH LIGHTING INSTRUCTIONS”, page 30.
8. Hold the control knob in for an additional 10 seconds to prevent the ODS pilot from shutting off the gas while
the thermocouple is warming up.
9. Release the control knob.
• If the knob does not pop out when released, stop and immediately call your service technician or gas
supplier.
• If the ODS pilot will not stay lit after several tries, push and turn the control knob clockwise to
OFF. Release and wait 15 seconds. Repeat steps 6 through 9.
10. Turn control knob to any position between LOW and HIGH. The knob position controls the thermostat
temperature. Refer to Figure 33.
11. The heater is now in proper operation. The following procedure should be used to achieve thermostatic
control of the desired room temperature.
a. Operate unit at higher setting until desired room temperature is
achieved.
b. At the desired temperature, slowly turn the knob clockwise and
stop rotating when flame disappears.
c.
Thermostat is now set to maintain the current room temperature.
d. As the room temperature decreases, the thermostat valve will open
to ignite the front and rear burner.
e. When the temperature reaches its set point (knob position),
the
thermostat valve will again shut off the front and rear burner.
f. This is the normal cycle of the heater.
TO TURN OFF GAS TO HEATER
1. Turn control knob clockwise to OFF position to completely shut off the heater.
2. If applicable: Turn off all electric power to the heater.
Figure 33 - Rotation of Control Knob
Rotate
Wait 30 seconds before
readjusting the heater
when the control knob has
been turned down to a
lower setting.