EMPIRE - White Mountain Hearth

PILOT FLAME CHARACTERISTICSINTERMITTENT PilotCorrect Pilot Flame PatternSENSORIGNITORCleaning and Pilot MaintenanceOxygen Depletion Sensor PilotWhen the pilot has a large yellow tip flame, clean the OxygenDepletion Sensor as follows:1. Clean the ODS pilot by loosening nut B from the pilot tubing.When this procedure is required, grasp nut A with an open endwrench.2. Blow air pressure through the holes indicated by the arrows.This will blow out foreign materials such as dust, lint and spiderwebs. Tighten nut B also by grasping nut A.PILOTBAMillivolt PilotFigure 21Figure 19BAIncorrect Pilot Flame PatternSENSORIGNITORHydraulic Thermostat PilotFigure 22PILOTBAIntermittant PilotFigure 23Figure 20If pilot flame pattern is incorrect, as shown in Figure 20:• See Troubleshooting, page 30-31.WARNINGNever use needles, wires, or similar cylindrical objects toclean the pilot to avoid damaging the calibrated ruby thatcontrols the gas flow.Page 2430816-1-0912