Monessen Hearth DFX24C - Manual (Page 25)

33D4047 5
DFX & DBX Series Vent Free Fireplaces OPERATING INSTRUCTIONS
MILLIVOLT CONTROL LIGHTING INSTRUCTIONS
1. STOP! Read the safety information label.
. Make sure the manual shutoff valve is fully open.
3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo
ignitor does not light the pilot, refer to instructions for match Lighting instructions, Page 26.
4. Turn gas control knob clockwise to the OFF position, set thermostat to lowest setting and turn ON/OFF
switch to 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 What to Do if You Smell Gas, Page 22. If you don't smell gas, go to next step.
6. From OFF position, turn the gas control knob counterclockwise to IGN position. Push in control
knob for 5 seconds. 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 piping.
7. With the control knob pushed in, push in and release the piezo ignitor button to light the pilot.
8. Continue pushing the control knob in for a further 60 seconds to prevent the flame detector from shut-
ting off the gas while the probe is warming up. Release the control knob.
9. Turn gas control knob counterclockwise to the ON position.
10. After the pilot has been lit for one minute, the burners can be turned on. Turn the ON/OFF switch to
ON position or adjust thermostat to desired setting.
11. If the gas logs will not operate, follow the instructions to turn Off Gas to Heater below and call your
service technician or gas supplier.
TO TURN OFF GAS TO HEATER
1. Turn control knob clockwise to OFF position to completely shut off the heater.
. If applicable: Turn ON/OFF switch to OFF position and/or set thermostat (if present) to lowest setting.
3. If applicable: Turn off all electric power to the heater.
Figure 33 -
Pilot
FP75
FP2518
control knob
Figure 34 -
Control Knobs
FP518
FP2519
piezo
Figure 35 -
Piezo
FP519