Manual Control Lighting Instructions - Monessen Hearth MHSC EYF18 Installation And Operating Instructions Manual

Unvented gas log heater or vented decorative appliance
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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 35, page 26 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! Fol-
low the instructions under
6.
From OFF position, push in gas control knob slightly and turn counterclockwise
tion. Figure 36. 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 behind the front log and front burner. If piezo ignitor does not light the pilot, see
, page 29.
Instructions
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 sup-
plier.
• 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. See Figures 37 and 38.
Rotate
HI
LO
Figure 36 - IGN Position
1. Turn control knob clockwise
2. If applicable: Turn off all electric power to the heater.
65D1009

MANUAL CONTROL LIGHTING INSTRUCTIONS

What to Do if You Smell Gas, page 26.
Rotate
Push
Figure 37 - HIGH Position
Wait 30 seconds before readjusting
the heater when the control knob has
been turned down to a lower setting.
TO TURN OFF HEATER
to OFF position to completely shut off the heater.
OPERATING INSTRUCTIONS
to the OFF position.
If you do not smell gas, go to the next step.
to the HIGH setting. At this location the control
HI
Push
LO
to the IGN posi-
Match Lighting
Rotate
HI
LO
Figure 38 - LOW Position
27

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