OPERATING INSTRUCTIONS | DFX & DBX Series Vent Free Fireplaces |
MANUAL 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.Rotate
4. | Refer to Page 22, Figure 23 for the location of the piezo ignitor and control |
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| knob. Push in gas control knob slightly and turn control knob clockwise |
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| to the OFF position. |
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| NOTE: Knob cannot be turned to OFF unless knob is pushed in slightly. Do |
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| not force. |
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5. | Wait 5 minutes to clear out any gas. Then smell for gas, including near the | Figure 29 - | |
| floor. If you smell gas STOP! Follow the instructions under “What to Do if You | ||
| IGN Position | ||
Smell Gas”, Page 22. If you do not smell gas, go to the next step.
6.From OFF position, push in gas control knob slightly and turn counterclock-
wise 
to the IGN position. Figure 29. Push in and hold control knob for 5
seconds. | Rotate |
NOTE: If you are running the heater for the first time, it will be necessary to | |
press in the control knob for 30 seconds to allow air to bleed out of the gas |
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piping. |
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7.With the control knob pushed in, push and release the piezo ignitor button to light the ODS pilot. The pilot is located on the left side of the heater, behind
| the middle log and in front of the back log. If piezo ignitor does not light the | Figure 30 - | ||||
| pilot, refer to “Match Lighting Instructions”, Page 26. |
| HIGH Position | |||
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. |
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9. | Release the control knob. |
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| • If the knob does not pop out when released, stop and immediately call your | Rotate |
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| service technician or gas supplier. |
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| • If the ODS pilot will not stay lit after several tries, push and turn the gas |
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| control knob clockwise | to OFF and wait 15 seconds. Repeat steps 6 |
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| through 9. |
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10. | Push in control knob and turn counterclockwise | to the HIGH setting. At |
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| this location the control knob will pop out when positioned correctly. The knob |
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can now be positioned at any position between HIGH and LOW. Figures 30 | Figure 31 - | |
LOW Position | ||
and 31 | ||
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Push
Push
WARNING
Wait 30 seconds before readjusting the heater when the control knob has been turned down to a lower setting.
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.
33D4047 | 23 |
