Learjet 60 - AUX HT Switch

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PUM Manual
AUX HT SWITCH
The auxiliary heating system is controlled through the use of the AUX
HT switch located in the CABIN CLIMATE group on the copilot's
switch
panel- Ile switch has three
positions :
OFF, CREW and CAB &
CREW . With the switch in the
CAB & CREW position, the cabin heaters
and blower will energize to provide cabin heat and the cockpit floor-
board heaters (if applicable) will energize to provide cockpit heat . With
the switch in the CREW position, only the cockpit
floorboard heaters
will be energized .
TATCJNE &NTaAGE COMPARTMENT HEATER SYSTEM
Tailcone baggage
compartment
beat is
provided to keep
the
tailcone
baggage compartment temperature between 35'F and 50'F . The
BAGGAGE HEAT switch is located in the tailcone baggage compart-
meN and
is
normally left in the ON position at all times
. Some aircraft
may be cquipped with an optional baggage heat switch, located on the
copilot's circuit breaker panel . The tailcone baggage heater elements
are activated when either external power is connected, or at least one
engine-driven generator is
powering the electrical system, and the tail-
cone baggage heater
switch is in the ON position . The tailcone baggage
heaters are powered by 28 VDC through a 50-amp current limiter .