TM 11-6130-243-14-2
a. 220-Volt, Three-Phase 60 Hz Power Connections
(b) Connect lead T2 to terminal 12 of phase B
(fig. FO-1, B)
(TB2) and to terminal T2-C of CB1.
(1) Connect lead T1 to terminal 11 of phase A
(c) Connect lead T3 to terminal 12 of phase C
(TB3) and to terminal T3-C of CB1.
(TB1), and to terminal T1-C of CB1.
(2) Connect lead T2 to terminal 11 of phase B
that are supplied, connect a jumper between terminal 1
(TB2) and to terminal T2-C of CB1.
(3) Connect lead T3 to terminal 11 of phase C
and terminal 7; and a jumper between terminal 6 and
terminal 12 of phase A (TB1), phase B (TB2), and phase
(TB3) and to terminal T3-C CB1.
(4) Using thc six power transformer jumpers that
C (TB3).
(e) Connect terminal 1 of phase A (TB1) to ter-
are supplied, connect a jumper between terminal 1 and
minal 1 of phase B (TB2) and terminal 1 of phase C
terminal 7; and a jumper between terminal 5 and
terminal 11 of phase A (TB1), phase B (TB2), and phase
(TB3) to terminal 1 of phase B (TB2).
(3) 396-volt, three phase, 60 Hz input (fig.
C (TB3).
(5) Connect terminal 1 of phase A (TB1) to
FO-1, D).
(a) Connect lead T1 to terminal 10 of phase A
terminal 1 of phase B (TB2) and terminal 1 of phase C
(TB3) to terminal 1 of phase B (TB2).
(TB1) and to terminal T1-B of CB1.
(b) Connect lead T-2 to terminal 10 of phase B
b. 440-Volt, Three-Phase 60Hz Power Connections
(TB2) and to terminal T2-B of CB1.
(fig. FO-1, E)
(1) Connect lead T1 to terminal 11 of phase A
(c) Connect lead T3 to terminal 10 of phase C
(TB1) and to terminal T1-B of CB1.
(T133) and to terminal T3-B of CB1.
(d) Using the six power transformer leads that
(2) Connect lead T2 to terminal 11 of phase B
(TB2) and to terminal T2-B of CB1.
are supplied, connect a pair of jumpers between ter-
minal 4 and terminal 7 of phase A (TB1), phase B
(3) Connect lead 1-3 to terminal 11 of phase C
(TB3) and to terminal T3-B of CB1.
(TB2), and phase C (TB3).
(c) Connect terminal 1 of phase A (TB1) to ter-
(4} Using the six power transformer jumpers that
minal 1 of phase B (TB2) and terminal 1 of phase C
are supplied, connect a pair of jumpers between
terminal 5 and terminal 7 of phase A (TB1), phase B
(TB3) to terminal 1 of phase B (TB2).
(TB2), and phase C (TB3).
(4) 484-volt, three phase, 60 Hz input (fig.
(5) Conncct terminal 1 of phase A (TB1) 10 ter-
FO-1, F).
minal 1 of phase B (TB2) and terminal 1 of phase C
(a) Connect lead T1 to terminal 12 of phase A
(TB1) and to terminal T1-B of CB1.
(TB3) to terminal 1 of phase B (TB2).
c. Input Power Cable Connection. Connect the
(b) Connect lead T2 to terminal 12 of phase B
four-wire input power cable to the ac power input
(TB2) and to terminal T2-B of CB1.
source (green wire is ground).
(c) Connect lead T3 to terminal 12 of phase C
d. Course Tap Adjustment. The following pro-
(TB33) and to terminal T3-B of CB1.
cedures are provided for input power facilities that vary
(d) Using the six power transformer leads that
from standard 220 or 440, three phase, 60 Hz voltages.
are supplied, connect a pair of jumpers between ter-
(1) 198-volt, three phase, 60 Hz input (fig.
minal 6 and terminal 7 of phase A (TB1), phase B
FO-1, A).
(TB2), and phase C (TB3).
(a) Connect lead T1 to Terminal 10 of phase A
(e) Connect terminal 1 of phase A (TB1) to ter-
minal 1 of phase B (TB2) and terminal 1 of phase C
(TB1) and to terminal T1-C of CB1.
(b) Connect lead T2 to terminal 10 of phase B
(TB3) to terminal 1 of phase B (TB2).
(TB2) and to terminal T2-C of CB1.
e. Fine Tap Adjustment To Raise Output Voltage.
(c) Connect lead T3 to terminal 10 of phase C
If the output voltage is lower than the nominal 28 volts
(TB3) and to terminal T3-C of CB1.
dc and it is necesary to have a higher output voltage,
change the taps on TB1, TB2, and TB3 as follows:
that are supplied, connect a jumper between terminal 1
Move all taps connected to the fine tap terminals to the
and terminal 7; and a jumper between terminal 4 and
next higher number.
Example.
terminal 10 of phase A (TB1), phase B (TB2), and phase
To raise the output voltage when connected for
C (TB3).
(e) Connect terminal 1 of phase A (TB1) to
198-volt connection as shown in figure FO-1, A; change
terminal 1 of phase B (TB2) and terminal 1 of phase C
the fine tap connections as follows:
(TB3) to terminal of phase B (TB2).
(1) Move tap connected to terminal 7 of phase A
(TB1) to terminal 8 of TB1.
(2) 242-volt, three phase, 60 Hz input (fig.
FO-1,C).
(2) Move tap connected to terminal 7 of phase B
(a) Connect lead T1 to terminal 12 of phase A
(TB1) and to terminal T1-C of CB1.
2-3
Change 1
