Kohler 12RES Installation Manual - Page 20

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1.8.1

Field Connections

The generator set is equipped with a field-connection

terminal block located below the fuel inlet. Leads have

been factory-installed from the junction box to the

terminal block for easy field wiring. Refer to the decal

near the terminal block for connections.

Section 2, Wiring Diagrams.

Refer to the decal below the terminal block and the

transfer switch specifications for the cable size range for

each connection. Route leads through flexible conduit.

Use separate conduit for AC wiring and low-voltage

engine start leads. Ensure that the leads and conduit do

not interfere with the operation of the generator set or

obstruct the service areas.

Field Connections to the Terminal Block

1. Remove the cover from the electrical connection

access area. See Figure 1-18.

2. Drill holes for conduit fittings:

a. See Figure 1-18 for the electrical inlet location.

Remove the cover from the electrical inlet area.

b. Drill holes in the cover for the conduit fittings

and replace the cover. Use separate conduit

for AC wiring and low-voltage engine start

leads.

c. Feed the cables through the openings.

Figure 1-18 Electrical Connection Area

Section 1 Installation

3. See Figure 1-19.

transfer switch emergency source lugs to the L1

and L2 connections on the generator set terminal

block.

4. Connect the neutral (L0) and ground (GRD) leads

Also see

from the ATS and the main panel to the

corresponding connection points on the terminal

block. See Section 1.8.3, Grounding.

5. Connect 120 VAC utility power to the terminals

marked Utility Power. Power to this circuit must be

backed-up by the generator set. See Section 1.5

for more information about the utility power

requirement.

6. Connect the engine start leads from the automatic

transfer switch or remote start switch to terminals 3

and 4 on the terminal block. See Section 1.8.2.

7. Replace the cover over the electrical connection

access area. See Figure 1-18.

Note:

Sample decal shown. See the decal on the generator

set for wire gauge.

Figure 1-19 Field-Connection Terminal Block, typical

ADV-8024

Connect the leads from the

GM58022

GM54820

TP-6967 2/21