Monessen Hearth DEB20, Installation And Operating Instructions Manual

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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 33.
4. Turn gas control knob clockwise to the OFF position, set the thermostat to the 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 the instructions under “What To Do If You Smell Gas,” page 29.
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 may be
necessary to press in the control knob for 30 seconds or longer 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 10 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 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. NOTE: To use the thermostat function (if
installed) the control knob must be set to “ON” and ON/OFF switch must be in the “OFF”
position.
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.
Figure 37 - Pilot
MILLI-VOLT
AND
THERMOSTAT
CONTROL LIGHTING INSTRUCTIONS
TO TURN OFF GAS TO HEATER
1. Turn control knob clockwise to OFF position to completely shut off the heater.
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.
Figure 38 - Control Cover Plate for Milli-Volt
Hi/Lo Control
Ignitor Pilot Control
On/Off Switch
Piezo