Manual - Unvented Gas Log Heater or Vented Decorative Appliance

CDVSC7 & CDV7 Series Gas Fireplacecleaning and maintenanceWARNINGTurn off gas before servicing fireplace. Itis recommended that a qualified servicetechnician perform these check-ups at thebeginning of each heating season.ThermocoupleThermopileBurner, Pilot and Control CompartmentKeep the control compartment, logs, and burner areassurrounding the logs clean by vacuuming or brushing atleast twice a year. Make sure the burner porting, pilot airopening and burner air opening are free of obstructionsat all times.Pilot FlameThe flames from the pilot should be visually checked assoon as the heater is installed and periodically duringnormal operation. The pilot flame must always be presentwhen the fireplace is in operation. Figure 64. Thepilot flame has three distinct flames, one engulfing thethermopile, one engulfing the thermocouple or sensor, andthe other reaching to the main burner.burnerInspect area around the injector. Remove any lint or foreignmaterial with a brush or vacuum.Burner FlameThe flames from the burner should be visually checkedas soon as the heater is installed and periodically duringnormal operation. In normal operation, at fullrate, and after operating for about 15 to 30minutes, the flame should be yellow and slightlytaller than the rear log. Figure 65If the flame is blue and only in the center, turnoff unit and let cool. After unit is cool, removelogs and check to make sure rock wool isplaced correctly. Replace logs.NOTE: The type of installation, vent systemconfiguration, and wind effects may cause theflame patterns to vary.Millivolt ControlPilotSignatureCommandSystem PilotFigure 64 -Pilot FlameFP1943pilot flameSensorFP1943ThermopileFP2453FP2453hooded pilot flamesFigure 65 -Burner Flame AppearanceLG63848 69D3011