Assessments - 3, GPA: 4 ( )

Fabricante : Desa Arquivo Tamanho: 3.76 mb Arquivo Nome : Língua de Ensino:

PILOT ASSEMBLY The pilot assembly is factory preset for the proper flame height. Alterations may have occurred during shipping and handling. The pilot is located on the back right hand side of the burner. The thermocouple should be fully enveloped in the flame. The flame should not be lifting off of the thermocouple element. If your pilot assembly does not meet these requirements: • Access the pilot adjustment screw through slot in valve cover. Turn adjustment screw clockwise to decrease or counterclockwise to increase the flame to proper size (see Figure 11, page 7). Do not remove the adjustment screw. • see Troubleshooting, pages 11 through 13 Figure 17 - Correct Pilot Flame Pattern Figure 18 - Typical Flame Pattern BURNER FLAME PATTERN Burner flames will be steady; not lifting or floating. Flames should go up through the middle of logset. Flames should not "spill" to the edges of the pan or sides of the logset. Figure 18 shows a typical flame pattern. If burner flame pattern differs from that described: • turn appliance off (see To Turn Off Gas to Appliance) • see Troubleshooting, pages 11 through 13 OPERATING APPLIANCE To Turn Off Gas To Appliance INSPECTING BURNERS Pilot Assembly Burner Flame Pattern CLEANING AND MAINTENANCE CLEANING AND MAINTENANCE • Keep the area around the log set clean and clear of debris. • Occasionally, you may use a soft bristle brush to clean logs. • Periodically inspect the air mixer and burner tube for foreign matter blocking the air inlet and flame holes. • Once every year a qualified agency or certified chimney sweep should examine and clean the venting system of the fireplace. TO TURN OFF GAS TO APPLIANCE Shutting Off Appliance 1. Turn control knob clockwise to the PILOT position. 2. Press in and turn control clockwise to the OFF position. Shutting Off Burner Only (pilot stays lit) Turn control knob clockwise to the PILOT position. OPERATING APPLIANCE Continued TROUBLESHOOTING 11 TROUBLESHOOTING Note: For additional help, visit DESA International’s technical WARNING: Turn off log set and let cool before service web site at servicing. Only a qualified service person should Note: All troubleshooting items are listed in order of operation. service and repair log set. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Log set is smoking/sooting excessively (Note: It is natural and unavoidable for vented gas log sets to produce moderate levels of carbon (soot) where flames contact the logs. This is especially true with propane/LP gas.) 1. Poor fuel quality 2. Fireplace venting system not drafting properly 3. Excessive flame impingement or blockage 4. Improper fuel/air mixture 5. Excessive gas supply/pressure 1. Contact local natural or propane/LP gas company 2. Adjust damper wide open and/or have fireplace and venting professionally cleaned and checked 3. Separate the logs to allow more flame passage 4. Remove any foreign items from the flame pattern and/or check for proper orifice sizing 5. Preheat flue in very cold weather Burner is excessively noisy 1. Passage of air/gas across irregular sur1. Relieve any tight bends or kinks in gas (Note: The movement and combustion of faces supply line gas will create low, unavoidable levels of 2. Excessive gas pressure on natural gas 2. Check/reset gas regulator pressure (see noise.) units Figure 10, page 7) Burner flame is too low or too high 1. Incorrect gas supply or pressure 1. Check for proper gas supply pressure 2. Blocked burner orifice or burner mani2. Free burner orifice and manifold ports fold ports of any burrs, paint, or other blockage 3. Improper burner orifice size 3. Verify proper burner orifice sizing (see Figure 2, page 4) When ignitor button is pressed, there is no 1. Ignitor electrode not connected to igni1. Reconnect ignitor cable spark at pilot tor cable 2. Ignitor cable pinched or wet 2. Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry 3. Bad ground on piezo ignitor 3. Scrape away paint on bracket for better co...

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