Hi/Lo Control Lighting Instructions - Monessen Hearth DIS33 Installation And Operating Instructions Manual

Natural gas or propane/lpg control type: milli-volt, t-stat, or hi/lo remote control vent-free fireplace systems
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OPERATING INSTRUCTIONS

HI/LO 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.
4.
See Figure 34 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 25. 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. 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 gas 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 rear log. If piezo
ignitor does not light the pilot, refer to "Match Lighting Instructions", page 28.
8.
Hold the gas 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 gas 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 counterclockwise
to OFF and wait 15 seconds. Repeat steps 6 through 9.
10. Turn gas control knob counterclockwise
11. Control flame with Hi/Lo control knob. See Figure 34.
12. The Hi/Lo control knob will control the height of the flame from pilot to high position.
13. Hi/Lo can be controlled from remote.
Wait 30 seconds
before readjusting
the heater when the
control knob has
been turned down
to a lower setting.
1. Turn control knob clockwise
2. If applicable: Turn off all electric power to the heater.
26
to the OFF position.
HI/LO Control
Knob
TO TURN OFF GAS TO HEATER
to OFF position to completely shut off the heater.
to pilot to ON.
Gas Control
Knob
Piezo
Figure 34 - Control Cover Plate for Hi/Lo
to the pilot
26D3311

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