Kohler Decision-Maker 3500 User Manual

TT-1638 11/14 3
2.3 Disconnect the generator set engine starting
battery(ies), negative (--) lead first.
2.4 Disconnect the generator set from load by
opening the line circuit breaker.
3. Remove the existing controller and
disconnect the electrical connections.
3.1 Remove the junction box panels as needed to
access the wiring.
3.2 Remove the four controller panel screws.
Note: Clearly mark all disconnected leads from
the controller with tape to simplify
reconnection.
3.3 Disconnect the controller harness connectors:
D P1 (35-Pin) Connector for
engine/generator wiring harness.
D P2 (14-Pin) Connector for sensor input
connections and relay driver output
connections.
D P3 (8-Pin) Connector for generator set
output voltage sensing and paralleling bus
voltage sensing connections.
D P4 (Ethernet) Connector connects to a
network communication line.
Note: These connections are typical and may
not apply to all applications. See the
corresponding wiring diagram found in
the operation manual (TP-6861).
1. P1 (35-pin) connector
2. P2 (14-pin) connector
3. P3 (8-pin) connector
4. P4 Ethernet connector
GM86969A
123
4
Figure 2 Controller Harness Connectors
4. Reconnect the electrical connections
and install the replacement controller.
4.1 Reconnect all of the electrical connections
disconnected in step 3.3.
4.2 Align the controller panel with the mounting
holes and install four screws.
4.3 Replace the junction box panels if previously
removed.
5. Restore power to the generator set.
5.1 Reconnect the generator set engine starting
battery, negative (--) lead last.
5.2 Reconnect power to the battery charger, if
equipped.
6. Set the device profile.
6.1 Connect the PC to the Decision-Makerr 3500
controller using a USB cable. See Figure 1 for
the location of the USB connection port.
6.2 Insert the personality profile backup disk/drive
and load the data. Refer to Tech Tools—
Software and TP-6701 SiteTecht Software
Operation Manual for details.
6.3 Choose one of the following methods to load the
user parameters.
D Backup disk/drive. Use a PC with
SiteTecht software to load the data from
the user parameter backup disk/drive.
D Paper form. Use a PC with SiteTecht to
enter the user parameter data from a
filled-out form.
6.4 If any changes are made using SiteTecht,
create a new user parameter data backup
disk/drive. Refer to TP-6701 SiteTecht
Software Operation Manual for details.
6.5 Disconnect the USB cable.
6.6 Power down the unit by using the prime power
switch (if equipped) or by disconnecting the
battery negative (--) terminal.
6.7 Wait at least 15 seconds and then power up the
unit by using the prime power switch (if
equipped) or by reconnecting the battery
negative (--) terminal.
6.8 Refer to the Decision-Makerr 3500 Operation
Manual (TP-6861). Calibrate the generator set
as instructed in the Calibration submenu.

Kohler Decision-Maker 3500 Specifications

General

Brand	Kohler
Model	Decision-Maker 3500
Category	Controller
Language	English