10 TT-1596 8/22
2 Connections
After the physical installation of the paralleling system
components, make the electrical connections described
in this section.
1. Press the OFF buttons on both generator set
controllers.
2. Turn off the AC power that supplies the battery
charger on both generator sets.
3. Disconnect the generator set engine starting
battery(ies), negative (- ) lead first.
Note: Route the communication cables in separate
conduit from the power cables and voltage
sensing leads.
Note: Refer to the block diagram in Figure 7 and the
wiring diagrams in Section 8 when making the
following connections. Be careful to connect
Generator 1 and Generator 2 as instructed.
2.1 Voltage Sensing
4. Connect the voltage sensing leads from both
adaptor harnesses installed in the generator
compartment in step 5 to terminal block TB1 in the
APM. See Figure 9 and Figure 14.
a. Connect voltage sensing lead V9 (RDC2 P2-8)
from Generator 1 to TB1-1, labeled V9A, in the
APM enclosure.
b. Connect voltage sensing lead V9 (RDC2 P2-8)
from Generator 2 to TB1-2, labeled V9B, in the
APM enclosure.
fromGM85757
1. Connect generator 1 to TB1-1 (V9A).
Connect generator 2 to TB1-2 (V9B).
1
Figure 14 Voltage Sensing Connections
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