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TP-6842 9/21 21

1.8.3 Field-Connection Terminal Block

The generator set is equipped with a field-connection terminal block. Leads have been factory-installed from the junction box to

the terminal block for easy field wiring.

See the dimension drawings in the Installation Drawings section for the customer field connection terminal block location. See

Figure 10 for terminal block details. Refer to the terminal block decal for connections and wire sizes. Size the wire according to

the length of run and 115% of the circuit current (amperage) based on 75°C wire rating or less as directed by the National

Electrical Code (NEC) in ANSI/NFPA 70. Also see the section titled: Wiring Diagrams.

Route AC and DC leads through flexible conduit. Ensure that the leads and conduit do not interfere with the operation of the

generator set or obstruct the service areas. Route AC and DC leads through separate conduit.

Procedure

1. Drill holes for the conduit fittings. See the figure titled: Electrical Lead Entry for the recommended electrical inlet

locations. Feed the cables through the openings.

2. Connect the leads from the battery bank to the “+” and “–” connections on the generator set terminal block.

3. Connect the ground (GRD) lead to the corresponding connection points on the terminal block. See the section titled:

Grounding.

4. Connect utility power leads to the terminal block connections labelled Utility. Connect to a circuit that is supplied by the

utility source and backed up by the generator. The power source must be GFCI protected. See the section titled: Power

Supply for more information about the utility power requirement.

5. For connection of the programmable interface module (PIM), see the section titled: PIM Input and Output Connections.

6. If the OnCue

Plus Generator Management System will be used with the generator set, run category 5E network cable

from the generator set to the customer’s router or modem. *

Note:

Installation of the network cable at the time of generator set installation is highly recommended. Installing the Ethernet

cable now will make connection much easier if you choose to add OnCue

Plus later.

a. Route the network cable with other low-voltage signal wiring (for example, the RBUS communication leads or

engine start leads), in separate conduit from the AC load leads. If the network cable is longer than 100 m (328 ft.),

use a repeater or switch.

b. Use an RJ-45 inline coupler to connect the Ethernet cable to the cable in the customer connection box. See the

figure titled: Network Connection for OnCue

Plus. The inline coupler is included with the OnCue

Plus kit.

* If the OnCue

Plus Wireless Kit is being used, refer to the instructions provided with the wireless kit.

Kohler 6VSG Installation

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