TM 10--3510--221--24 0005 00--2 HEATING SYSTEM THEORY OF OPERATION -- Continued 0005 00 HEAT PLATES THERMAL FLUID PUMP FUEL FILTER EXHAUST OUT AIR IN FUEL SUPPLY (JP--8) DRYER B HEATER THERMAL FLUID HEATER EXPANSION TANK BURNER BLOWER FV 300 STILL HV FUEL PUMP DRYER A HEATER FLAME HV TEMPERATURE SENSOR PRESSURE SENSOR PT 300 PT 301 TE 300 TS 300 M300 PS 301 PS 300 PS 302 PI 301 PI 300 HV HV STRAINER VENT HV HV PRESSURE INDICATOR PRESSURE SWITCH FV 301 PI 304 PRESSURE INDICATOR SOLENOID VALVES HAND VALVE (HV) DRAIN M301 SCREEN HV PRESSURE INDICATOR PRESSURE SENSOR UV 300 RELIEF VALVE TEMPERATURE LIMIT SWITCH PT 302 PI 302 HV PRESSURE INDICATOR PRESSURE SENSOR PRESSURE SWITCH PRESSURE SWITCH AIR INLET FLAME DETECTOR PRESSURE INDICATOR PI 303 RELIEF VALVE FILL PORT HV