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Orange flame will also be present. Open window to vent smell. This will only last a few hours. 1. STOP! Read the safety information, column 1. 2. Set the thermostat to lowest setting (if applicable). 3. Turn off wall switch. 4. Open control access panel or louver. 5. Smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information in column 1. If you don’t smell gas, go to the next step. 6. Turn the main burner wall switch to the ON position for ignition. There will be a spark at the electrode. The electrode is located by main burner (see Figure 21). 7. Replace control access panel or louver once there is a flame at the burner. 8. If burner will not stay lit after several tries, flip the wall switch to OFF and call your service technician or gas supplier. TO TURN OFF GAS TO APPLIANCE 1. Turn off all electric power to the appliance if service is to be performed. 2. Remove control access panel. 3. Close shutoff valve (see Figure 14, page 9). OPERATING FIREPLACE Continued Figure 21 - Pilot To Main Burner EA From Gas Supply Outlet Pressure Inlet Pressure Figure 22 - Electronic Control Valve Inspecting Burner Pilot Assembly Adjustment The pilot assembly is factory preset for the proper flame height. Alteration to factory settings may have occurred during shipping. If this is the case, some minor readjustments may be necessary and should be done by a qualified technician. The pilot assembly is located behind the burner next to the rear refractory piece at the right-hand side. The thermopile (in millivolt models) or the sensor (in electronic models) should be engulfed with the pilot flame approximately 3/8" to 1/2" in order for the regulator to receive proper signal (see Figures 23 and 24). Burner Flame Adjustment The air shutter, located at the base of the main burner tube, has been factory preset to the proper air to gas ratio which results in an even, clean burning flame across the burner (see Figure 25). If readjustment is necessary, you can restore proper flame setting by loosening air shutter screw and rotate air shutter until proper flame setting is achieved (shutters normal setting is fully opened). Retighten air shutter screw. See Figure 26 for air shutter location. CAUTION: Make certain orifice is fully inside venturi tube’s air shutter and that air shutter is adjusted accordingly. CORRECTINCORRECTCLOSE SHUTTERINCORRECTOPENSHUTTERLONG, BLUE FLAMEWITH YELLOW TIPSSHORT, SHARPBLOWING FLAMELONG, UNEVENYELLOW FLAME Ignitor 3/8" to 1/2" (10 mm - 13 mm)1/8" (3 mm) Pilot Burner Thermopile Figure 23 - Correct Pilot Flame Pattern Millivolt Assembly Figure 25 - Burner Flame Patterns Flame Sensor Pilot Burner 3/8" to 1/2" 1/8" to 1/4" Burner Pan Air Shutter Screw Pan Burner Ignitor Orifice Figure 24 - Correct Pilot Flame Pattern Electronic Assembly Gas Valve Figure 26 - Air Shutter Adjustment Cleaning and Maintenance When lit for the first time, the appliance may emit a slight odor for about 16 to 24 hours. This is normal and is due to “curing” of logs and “burn in” of internal paints and lubricants used in manufacturing. Keep compartments, logs, burners and area surrounding logs clean by vacuuming or brushing at least twice a year. Temporary removal of log set may ease cleaning of burner and pilot assembly. In cleaning, take care not to alter pilot or burner location. Be sure appliance is cool before each maintenance session. WARNING: Installation and repair should be done by a qualified service person. The appliance should be inspected before each use and at least annually by a qualified service person. More frequent cleaning may be required due to excessive lint from carpeting, bedding material, pet hair, etc. It is imperative that the control compartments, burners and circulating air system be kept clean. WARNING: The logs can be hot. Handle only when cool. WARNING: Turn off gas and electrical power before servicing appliance. Any safety screen or guard removed for servicing must be replaced prior to operating the appliance. WARNING: Make certain that wires and gas lines are not touching underside of firebox. WARNING: Do not abuse, strike or slam glass doors. WARNING: Do not operate appliance with panel(s) and glass removed, cracked or broken. Replacement of panel(s) should be done by a licensed and qualified service person. CAUTION: If glass breaks, be cautions of fragments on floor. Keep children away from area. Do not run unit. Use proper safety gloves to remove broken glass. Discard glass safely. A glass door kit can be ordered through your local distributor. Do not substitute other material for glass. Do not use abrasive liquids or cleaners for cleaning glass doors and trims. Use any household glass cleaner. Do not clean doors when hot. Allow appliance to cool before cleaning. Technical Service You may have further questions about installation, operation or troubleshooting. If so, contact DESA’s Technical Service Department at 1-866-672-6040. When calling please have you...

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