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

Unvented gas log heater or vented decorative appliance
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OPERATING INSTRUCTIONS
1. STOP! Read the safety information label.
2. 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 27.
4. Turn gas control knob clockwise
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 "B" in the safety information label. If you don't smell gas, go to next step.
6. From OFF position, turn the gas control knob counterclockwise
knob for 5 seconds.
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 shutting off
the gas while the probe is warming up. Release the control knob.
9. Turn gas control knob counterclockwise
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 APPLIANCE" below and
call your service technician or gas supplier.
Figure 28 - Pilot
1. Turn control knob clockwise
2. 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.
26

MILLI-VOLT CONTROL LIGHTING INSTRUCTIONS

to the OFF position, set the thermostat to the lowest setting and turn
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.
to the ON position.
Hi/Lo
Control
Ignitor
Control
Figure 29 - Control Cover Plate
to IGN position. Push in control
39D3200

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