ELECTRICAL
Description
Aircraft Operations Manual
5.1
S2
PAGE
27
Jun 01/19
NO BAT START light (amber).
Comes on if L or R battery temperature
exceeds 57
C. For engine start limitations
see AOM 17, Power Plant.
EXT PWR AVAIL light (blue).
When light is on, external power is connected
and is available for use.
DC AMP/VOLT indicator.
Indicates the voltage for respective selected
bus or source. If L or R GEN selected the
indicator also shows current load in amperes.
NOTE: AMP is only indicated when L or R GEN
is selected.
DC AMP/VOLT selector.
Selects bus or source to be displayed on
DC AMP/VOLT indicator.
inverter lIGHT (AMBER).
Comes on if the selected inverter fails or the
INVERTER switch is in OFF position.
INVERTER switch.
In 1 or 2 position the respective inverter supplies
115 V AC to the L and R INVERTER BUS 115 V
AC. 26 V AC is also supplied to the L and R
INVERTER BUS 26 V AC.
A26868
A
B
C
AC ELEC
DC ELEC
OFF
L
R
EMER
AVION
ESS
MAIN
GEN
BAT
EXT PWR
BAT
GEN
MAIN
ESS
AVION
DC
AMP VOLT
600
400
200
0
0
15
20
25
30
B
AC/DC PANEL
2
1
INVERTER
INVERTER
A
ENGINE START PANEL
C
GROUND STATUS PANEL
DOORS
STATUS
CARGO
DOOR
MAIN
DOOR
CREW
HATCH
MAIN DOOR
HANDLE
FUELING
EXT PWR
AVAIL
R PROP
BRAKE
Fig. 13 Electrical
−
controls and indicators (two main 115 V/26 V inverters)