Table 2-1. Control Panel, Controls and Indicators
CONTROL OR INDICATOR
Audible Alarm (EM1)
Sounds whenever the heater is shut down
because of an overtermperature condition or
OFF/VENT/HEAT Switch (S1)
Used to place the heater unit into ventilation
or heat mode and to shutdown the heater
FUEL Pressure Gage
Provides a constant indication of the fuel
system pressure (in psi) of the fuel pump
Provides a continuous indication of the total
operating time of the heater unit in hours and
tenths of hours.
SAFETY RELEASE Indicator
Illuminates any time the safety relay (K8) us
This switch must be pressed to reset the
heater unit relay (K8) when the relay has
TANK Selector Switch (V1)
Used to select either the internal fuel tank or
the external fuel source (if) connected.
ON/OFF Switch (S7)
A toggle switch used to purge the fuel lines
Circuit Breaker (CB1)
Trips whenever an overcurrent condition
exists within the heater unit. Must be
manually reset by pushing in.
(See Figure 2-12)
Used to set output air temperature of unit
during the heating mode.