Kohler 20-3250 kW manual Ground Fault Annunciation, Power Supply

6.1.5Ground Fault Annunciation

A relay contact for customer connection indicates a ground fault condition and is part of a ground fault alarm. See Figure 6-8 for electrical connections and the following procedure for controller setup. Use the instructions with the kit when provided to install and setup this accessory.

POWER SUPPLY	GENERATOR
DC 12 -- TB3-9	N
or 24 V + TB3-4		See assembly
		drawing and
		pick list for
		neutral to
	GFA 300	ground cable.

	Generator
	system
	ground
	connect to
	ground bus.
TB4-6 (DCH6)
TB4-27 (GND)
GFI WIRED TO DEC550	GM53026-

Figure 6-8 Ground Fault Connections

WARNING

Accidental starting.

Can cause severe injury or death.

Disconnect the battery cables before working on the generator set. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery.

Disabling the generator set. Accidental starting can cause severe injury or death. Before working on the generator set or connected equipment, disable the generator set as follows: (1) Move the generator set master switch to the OFF position. (2) Disconnect the power to the battery charger. (3) Remove the battery cables, negative (--) lead first. Reconnect the negative (--) lead last when reconnecting the battery. Follow these precautions to prevent starting of the generator set by an automatic transfer switch, remote start/stop switch, or engine start command from a remote computer.

Ground Fault Controller Setup Procedure

1.Reconnect battery, if not already done.

2.Place the controller master switch to the AUTO position.

3.Press the Alarm Off key to silence the alarm horn, if necessary.

4.If the programming mode LED is not flashing, go to the step 5. If the programming mode LED is flashing, go to step 6.

5.Set Programming Mode to Local.

a.Press keys .

b.Press key until Programming Mode-- Local is displayed.

c.Press the YES key .

d.When the Enter Code displays, press the

factory default or the user password

keys and . The programming mode LED should be flashing.

6.Set digital input #6 to ground fault.

a.Press . Menu 9 Input Setup should be displayed.

b.Press until Digital Input 06 Warning is displayed.

c.Press once to select this input.

d.Press until Ground Fault is displayed.

e.Press to define Digital Input #06 as ground fault. Entry Accepted is displayed.

f.Press to display Digital Input #06 Inhibit Time.

170 Section 6 Accessories TP-6200 10/12