Kohler 20RESC Installatie- en bedieningshandleiding - Pagina 13
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2.3 AC Voltage Output Connections
6. Connect generator set AC output leads to the APM
contactors or to the circuit breakers installed in
Section 1.3, if used.
generator 1 to contactor 1 and generator 2 to
contactor 2 in the APM. See Figure 17 or the wiring
diagram, Figure 33.
Note: If the optional circuit breakers are used,
connect to the circuit breakers rather than
the APM contactors.
a. Connect L1 from generator 1 to 1L1 at the APM
contactor 1. Connect L2 from generator 1 to
3L2 on APM contactor 1.
b. Connect L1 from generator 2 to 1L1 at the APM
contactor 2. Connect L2 from generator 2 to
3L2 on APM contactor 2.
Note: L1 and L2 polarity is important. Reversing these
leads is a common cause of auto-discovery
failure.
7. Connect the GEN LOAD A, GEN LOAD B, and
NEUTRAL lugs in the APM to the emergency
source lugs on the RXT transfer switch.
Figure 33, wiring diagram.
Generator 1
L1
L2
Contactor 1
Note: Connect generator 1 to contactor 1 and
generator 2 to contactor 2. Connect L1 to
1L1 and L2 to 3L2.
Figure 17 Generator Output Connections to APM
Contactors (optional circuit breakers not
shown)
TT-1596
8/22
Be sure to connect
See
Generator 2
L1
L2
Contactor 2
fromGM85757
2.4 Ethernet Connection for OnCue Plus
8. If OnCuer Plus will be used, connect both RDC2
controllers to the Internet by connecting to the
Ethernet modem or router on the site. See the
generator set Installation Manual for the location of
the Ethernet cable on the generator set.
3 Prepare the equipment for
operation.
3.1 Secure the APM enclosure and
reconnect power to the generator
sets.
1. The APM's NEMA 3R enclosure has a locking tab
at the bottom of the enclosure. While the enclosure
is open, turn the locking tab out so that the door can
be locked with a padlock.
2. Install the inner door on the APM enclosure.
3. Install the APM enclosure door and use a
customer-supplied padlock to lock the enclosure.
4. Reconnect the generator set engine starting
batteries, negative (- ) lead last.
5. Reconnect utility power to the generator sets.
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