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See Figure 1 for its location. Variable Flame Height Adjustment 1. All appliances are equipped with a variable gas control valve. Flame height for these models may be adjusted through a range between fixed low and high settings, alternately, while the appliance is in operation. Adjust the flame height as desired after lighting the appliance by rotating the variable adjustment control knob located on the front of the valve (seeFigure 2). 2. When lit for the first time, this appliance will emit a slight odor for an hour or two. This is due to the “burn-in” of internal paints and lubricants used in the manufacturing process. 3. Keep lower control compartment clean by vacuuming or brushing at least twice a year. More frequent cleaning may be required due to excessive lint from carpeting, bedding materials, etc. It is important that control compartments, burners and circulating air passageways of the appliance be kept clean. 4. Always keep the appliance area clear and free from combustible materials, gasoline and other flammable liquids. Figure 3 Battery Replacement Switch Cover Weather Seal Orient Batteries Vertically To Fit Within Box Maintenance Schedule Maintenance Schedule Maintenance Task Accomplishing Person Procedure Inspecting/Cleaning Burner, Logs Qualified Service Technician Inspect valve and ensure it is properly operatand Controls ing. Check piping for leaks. Vacuum the control compartment, fireplace logs and burner area. Inspecting/Cleaning Pilot and Burner Qualified Service Technician Refer to Figure 7 (Dexen) on page 8. Remove any surface build-up on pilot and burner assembly. Wipe the pilot nozzles, ignitor/flame rod and hood. Ensure the pilot flame engulfs the flame sensor as shown. Appliance Checkout Qualified Service Technician Perform the appropriate appliance checkout procedure detailed in this manual. Replacing Rock Ember Materials Homeowner/Qualified Services Technician Remove old ember materials and vacuum the rock placement area. Place new rock as described in this document. Replace Spent Batteries Homeowner Locate and remove the four (4) screws retaining the stainless J-Box cover. Remove the battery pack and replace the two (2) "D" cell batteries. Periodically (After the Burning Season) Maintenance Task Accomplishing Person Procedure Carefully remove logs and decorative volcanic stone. Vacuum out interior of the firebox. Clean firebox walls and log grate. Replace logs, Rockwool and volcanic stone as detailed in this manual. Cleaning Firebox Interior Homeowner Locate and remove the four (4) screws retaining the stainless J-Box cover. Remove the battery pack and replace the two (2) "D" cell batteries. Replace Spent Batteries Homeowner Burner Adjustments 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 excessive sooting may develop. 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 face opening. Sooting is caused by incomplete combustion in the flames and a 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. These appliances should not smoke. Small amounts of soot will accumulate over time and should be expected. This soot adds to the realism of the firebox interior. The logs can be cleaned, when cool, with a soft brush and small amounts of water. If the logs are properly positioned and excessive sooting conditions exist, the air shutter opening on the main burner tube should be adjusted. Keep in mind that this is an outdoor appliance. Wind and air currents cannot be strictly controlled. If the flame acts too erratically, we recommend that the screens be closed. WARNING: AIR SHUTTER ADJUSTMENT SHOULD ONLY BE PERFORMED BY A QUALIFIED PROFESSIONAL SERVICE TECHNICIAN. NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Log Placement Burner Adjustment CAUTION: THE SHUTTER AND NEARBY APPLIANCE SURFACES ARE HOT. EXERCISE CAUTION TO AVOID INJURY WHILE ADJUSTING FLAME APPEARANCE. To adjust the flame, turn the shutter (lo...

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