TM 55-1730-229-12
TO 35C2-3-473-1
Table 2-1.
Control Panel, Controls and Indicators (continued)
Control or
Indicator
Description
Function
AC POWER switch
Three-position
RESET position Resets GCU as
(S10)(cont.)
(ON/OFF/RESET) switch
fault logic circuit
(extinguishes as red warning
indicator lights).
AC POWER
Green indicator light
Illuminated when ac contactor is
indicator (DS20)
closed.
AC PHASE SELECT
Three-position
Connect selected phase to AC
switch (S9)
(A/B/C) rotary switch
VOLTS, AC % LOAD, and AC HERTZ
meters.
Indicates voltage of selected
AC VOLTS meter
0 to 150 volts scale.
phase.
(M8)
Green band at 108-118
volts.
OVER VOLTAGE
Red warning indicator
Illuminates when GCU opens ac
indicator (DS14)
light.
contactor because of over
voltage.
Change 8