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 115 VAC, 400 Hz Section (continued)
UNDER VOLTAGE
Red warning indicator
Illuminates when GCU opens ac
indicator (DS15)
light.
contactor or removes generator
field excitation due to low
voltage or an overcurrent
condition.
Indicates ac external load of
AC % LOAD meter
0 to 150% scale. Green
selected phase. On the 83-
(M9)
band below 100% and
360D, the AC % LOAD readings
yellow band above 100%.
are not correct. A label
"MAX. CONT. 130%" has been
applied below this gage to
indicate the continuous AC
output power rating of the
upgraded units.
OVER CURRENT
Red warning indicator
Illuminates when load exceeds
indicator (DS16)
light
45 KW (162 amp, 1 phase)on the
83-360A. On the 83-360D, this
light illuminates when the
load exceeds 53 KW (191 amp, 1
phase). (Load may exceed 45 KW
for 30 seconds when voltage is
in limits, or 4 to 7 seconds
if voltage is low.)
CURRENT LIMIT
Rotary switch with four
Selects generator maximum ac
SELECTOR switch
AC positions (10 KW, 20
output for all phases. (If
(S11)
KW, 30 KW, and 45 KW)
the switch is set for 30 KW,
the maximum output per phase
is 10 KW, or 100% of the AC %
LOAD meter.) On the 83-360D,
the AC current limit
selections are: 17 KVA, 59
KVA (AH-64A/H-60), and 90 KVA
(AH-64D). When the CURRENT
LIMIT SELECTOR switch is set
at 45 KW and 1000 AMP on the
83-360A, or AH-64D/90 KVA on
the 83-360D this switch also
opens a surge control valve to
increase available shaft
