10
Thermopile
Thermocouple
Figure 5: Pilot Flame
Operating Instructions
PiLot Light
1. Turn o gas to the replace. If not recently done, remove the glass
and let the unit air out for at least ve (5) minutes to clear out any
gas. Turn on gas to the heater.
2. Align “Pilot” on the control knob (Figure 7) with the horizontal indicator
and press knob all the way in while pressing the piezo ignitor repeatedly.
When the pilot ame ignites, continue holding down the control knob
for approximately 30 seconds then release. On S50 models equipped
with 821 valve, hold control know down until an audible “beep’ is heard
then release. The pilot ame should remain lit on its own at this point.
3. Ensure pilot is fully engulng thermocouple and thermopile (see Figure 5).
aiR shutteR
The air shutter plays a very important role in flame appearance and combustion quality. The shutter adjusts
how much air gets mixed with the gas before it ignites. Start the fireplace and allow it to heat up for 15+
minutes before making adjustments.
The air shutter slider is located at the back of the unit (see Figure 6).
Adjustments:
Lean (more primary air): Pull slider outwards to make
flame appear more blue and low.
Rich (less primary air): Push slider inward to make
flame appear more yellow and tall. Flame will continue
to richen up during operation creating a potential for
gradual soot build-up.
Note: If you cannot attain a healthy flame by making
air shutter adjustments, you may have the incorrect
restrictor setting or a venting problem.
Warning: Incorrect shutter adjustment may lead
to improper combustion, which is a safety hazard.
Contact the dealer if there is any concern about the
venturi adjustment.
Figure 6: Air Shutter Location
Note: The pilot will automatically extinguish after 7 consecutive days of continuous operation without any
main burner activity. The pilot will need to be re-lit by turning the control knob to OFF then following steps
2 & 3 above. Does not apply to S50-820 models.
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