TM 5-6115-593-12
TO 35C2-3-463-1
Table 2-6. Automatic Control Module, Controls and Instruments
FIGURE,
NORMAL
INDEX NO.
CONTROL AND INSTRUMENT
FUNCTION
READING/SETTING
2-19,1
UTILITY POWER AVAILABLE
Indicates availability
ON
LAMP
of utility/bus voltage
within proper limits.
2-19,2
MODE SELECTOR switch
Selects whether load
T.D. Return
will be transferred
back to utility after
a predetermined time
delay, instantly, or
will not transfer at
all until manually
selected.
2-19,3
FREQUENCY SELECT switch
Selects the proper trip
As required
points of the over
by system
and under frequency
running
relays.
frequency.
2-19,4
A.C. UTILITY POWER FUSE
Protects wiring of
— —
15A
utility monitoring
circuit.
2-19,5
BR1-4 A.C. Fuses 5A
Protects wiring of BR1
— —
thru BR4 circuitry.
2-19,6
Unit 1-4 D.C. Fuses 5A
Protects D.C. 'sensing
— —
wires between units
1 thru 4 and auto-
matic control module.
2-19,7
MR1-4 A.C. Fuses 5A
Protects wiring of MR1
— —
thru MR4 circuitry.
2-19,8
MASTER CONTROL RELAY
Closes the generator
— —
(MR1-MR4)
circuit breaker only
on the first unit to
reach acceptable
voltage and frequency.
2-19,9
LOAD RELAYS LR
Relay contacts will
— —
1 thru 4 and LRTD
control customer load
1 thru 4
feeder breakers.
LRTD time delay re-
lays adjustable from
0.2 to 20 seconds.
2-19,10
OVER/UNDER VOLTAGE RELAY
Senses utility voltage
— —
(27/59)
at 120 10%. Trips
at 108V AC (under) and
132V AC (over) voltage.
2-19,11
TIME DELAY RELAY
Allows generator(s) to
As desired.
(SDT)
continue to run (cool
down) after utility
power has returned.
(Adjustable 1-300
sec.)
2-41
