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Follow the pilot lighting instructions provided in the Homeowner's Care and Operation Instructions. For piezo ignitor location seeFigure 54(millivolt appliances only). Note: Lighting instructions may also be found on the pull out lighting instruction labels attached to the gas control valve.To access the label, see the procedure on the previous page described for accessing the gas control valve. When first lighting the appliance, it will take a few minutes for the line to purge itself of air. Once purging is complete, the pilot and burner will light and operate as indicated in the instruction manual. Subsequent lightings of the appliance will not require such purging. Inspect the pilot flame (remove logs, if necessary, handling carefully). Millivolt Appliance Checkout The pilot flame should be steady and, not lifting or floating. Flame should be blue in color with traces of orange at the outer edge. The top ..." (10 mm) at the pilot generator (thermopile) and the top ..." min (tip) of the quick drop out thermocouple should be engulfed in the pilot flame. The flame should project 1" (25 mm) beyond the hood at all three ports (Figure 55). Replace logs after pilot inspection. To light the burner: turn “ON” the unit-mounted ON/OFF switch or the wall-mounted ON/OFF switch or the thermostat (depending on the type of control installed), and rotate the gas valve control knob counterclockwise to the “ON” position. Figure 55 ..." Min (3 mm) Thermocouple Ignitor Rod Hood ..." Min (9 mm) Thermopile MILLIVOLT HONEYWELL Pilot Nozzels 24 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Glass Door Latch Control Compartment Access Panel and Hinge Front Glass Enclosure Panel Firebox Floor Bottom Vee-flange Glass Door Frame Top Flange Glass Door Frame Modesty Panel CDST SHOWN ***MAIN BURNER FACTORY SHUTTER SETTING Models Natural Gas inches (mm) Propane Gas inches (mm) CDST CDPF CDCR CDCL *TWO 1/8 (3) SLOTS **TWO 11/16 (17) SLOTS Adjustment Rod Positions (when viewed from above): *Natural Gas - fully clockwise **Propane - fully counter clockwise *** Settings are shown for each burner. Figure 57 INSTALLING THE GLASS DOOR Figure 58 Air Shutter Adjusting Rod Air Shutter Adjusting Arms Orifice Increase Shutter Opening In This Direction Decrease Shutter Opening In This Direction Air Shutter Opening Burner Venturi Tube Note - Both air shutters open and close simultaneously when the air shutter adjusting rod is moved. Note - Burners are omitted in this view for clarity. ELECTRONIC Proper Flame Adjustment Pilot Nozzle 3/8 To 1/2 Inch (9 mm to 13 mm) Ground Electrode Flame Rod Hot Surface Igniter Burner Adjustment Sooting is indicated by black puffs developing at the tips of very long orange flames. Sooting results in black deposits forming on the logs, appliance inside surfaces and on exterior surfaces adjacent to the vent termination. Sooting is caused by incomplete combustion in the flames and lack of combustion air entering the air shutter opening. To achieve a warm yellow to orange flame with an orange body that does not soot, the shutter opening must be adjusted between these two extremes. No smoke or soot should be present. Reposition the log set if flames impinge on any part of it. If the log set is properly positioned and sooting conditions exist, the air shutter opening on the main burner tube should be adjusted. Normally, the more offsets in the vent system, the greater the need for the air shutter to be opened further. Allow the burner to operate for at least 15 minutes. Observe the flame continuously. If it appears weak or sooty as previously described, adjust the air shutter by rotating the adjustment rod until the flame appearance is as desired. Step 10. BURNER ADJUSTMENTS Flame Appearance and sooting Proper flame appearance is a matter of taste. Generally, most people prefer the warm glow of a yellow to orange flame. Appliances operated with air shutter openings that are too large will exhibit flames that are blue and transparent. These weak, blue and transparent flames are termed anemic. If the air shutter opening is too small sooting may occur. The adjustment rod and associated adjustable air shutter is patented technology. Flame adjustments can be made quickly and accurately to taste without the need of disassembling the appliance and waiting for 15 minutes after each adjustment. Propane models may exhibit a flame pattern that may candle or appear stringy. If this is problematic or persists as the appliance is continually operated, adjust the air shutter closed as described in the previous paragraphs. Operate the appliance for a period of time as the effect diminishes, ensuring that the appliance does not develop sooty flames. When satisfied that the appliance operates properly, proceed to finish the installation. Leave the control knob in the ON position and the remote switch OFF. Close the lower control compartment door. CAUTION: THE AIR SHUTTER DOOR AND NEARBY APPLIANCE SURFACES ARE HOT. EXERCISE CAUTION TO AVOID INJU...

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