Section 1 Installation; Controller Connections - Kohler MPAC 1500 Manual

This section contains instructions for controller
connections. For ATS installation instructions, refer to
the transfer switch installation manual supplied with the
transfer switch.
1.1

Controller Connections

DANGER
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before
opening the enclosure.
NOTICE
Electrostatic discharge damage. Electrostatic discharge
(ESD) damages electronic circuit boards.
electrostatic discharge damage by wearing an approved
grounding wrist strap when handling electronic circuit boards
or integrated circuits. An approved grounding wrist strap
provides a high resistance (about 1 megohm), not a direct
short, to ground.
The controller's main logic board is mounted in a plastic
housing on the inside of the transfer switch enclosure
door.
Opening the cover. To gain access to the DIP switches
and terminal strips on the main logic board, open the
plastic housing by pushing up on the latch on the bottom
of the cover and swinging the cover up and out. The
cover is hinged at the top. Lift the cover off the hinges to
remove it completely, if necessary.
Note: Always replace the cover before energizing the
transfer switch controls.
Figure 1-1 shows the locations of the DIP switches and
connectors on the main logic board. It is not necessary
to open the cover to access the USB or Ethernet
connectors.
TP-6714 4/10
Prevent
12
1. Access openings to RJ-45 and USB connectors
2. Latch
3. RS-485 connection TB2
4. I/O board connection P16
5. User interface connection P14
6. DIP switches SW1
7. RJ-45 Ethernet connection P13
8. USB connection P12
9. Programmed-transition interface board (PTIB) connection
(factory connection)
10. Ground wire
11. Contactor harness connection
12. Input/output terminal strip TB1
Figure 1-1

Section 1 Installation

2
3
Main Logic
Board
Power
Board
11
10
Controller
Section 1 Installation
1
GM21079
4
5
6
7
8
9
GM46733
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