OPERATOR, FIELD AND SUSTAINMENT MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS
This work package shows the location and describes the use of LCFH controls and indicators. The
following illustrations shows the location of the LCFH controls and indicators. You should know the
location and proper use of every control and indicator before operating the LCFH. Use this Work Package
to learn about each control and indicator and how it works.
LCFH Operator Control Panel
Control or Indicator
Permits LCFH to be turned on and off.
Offers a choice of three modes of heater operation: MANUAL (provides
as much heat as needed, no thermostat control), VENT (no heat,
ventilation air only), and AUTO (heat output thermostatically controlled).
Permits operator to select temperature of shelter.
Displays system status as well as notice of any system fault codes that
Permits selection between external and internal fuel sources.
Spring loaded reset switch to permit heater to be reset after heater fault.
Acts as a temperature sensor inside the shelter.
Constantly monitors the air inside the shelter, detects any carbon
monoxide that may be present and sounds an audible alarm.