Manual Control Lighting Instructions - Monessen Hearth YS24 Installation And Operating Instructions Manual

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 24, page 24 for the location of the piezo ignitor and control knob. Push in gas control knob
slightly and turn control knob clockwise
NOTE: Knob cannot be turned to OFF unless knob is pushed in slightly. Do not force.
5. Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas STOP!
Follow the instructions under "WHAT TO DO IF YOU SMELL GAS", page 24. If you do not smell gas, go
to the next step.
6. From OFF position, push in gas control knob slightly and turn counterclockwise
position. See Figure 25. Push in and hold 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 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 27.
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 gas control knob clockwise
to OFF and wait 15 seconds. Repeat steps 6 through 9.
10. Push in control knob and turn counterclockwise
knob will pop out when positioned correctly. The knob can now be positioned at any position between HIGH
and LOW. Refer to Figures 26 and 27.
Rotate
Figure 25 - IGN Position
1. Turn control knob clockwise
2. If applicable: Turn off all electric power to the heater.
39D3200

MANUAL CONTROL LIGHTING INSTRUCTIONS

Rotate
Push
Figure 26 - HIGH Position
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
to OFF position to completely shut off the heater.
OPERATING INSTRUCTIONS
to the OFF position.
to the HIGH setting. At this location the control
Rotate
Push
to the IGN
Figure 27 - LOW Position
Push
25