Kohler MPAC 1500 User Manual

TP-6714 4/10110 Section 8 Accessories
8.5.1 Alarm Board DIP Switches
There are four DIP switches on the alarm module board.
Two of the switches are not used at this time. See
Figure 8-11. To enable the preferred source selection
function, set DIP switch 1 to ON. If the supervised
transfer switch is installed on the ATS, set DIP switch 2
to ON.
DIP Switch Function
1 Preferred source selection enable
2 Supervised transfer enable
3 Not used
4 Not used
Figure 8-11 Alarm Board DIP Switches
8.5.2 External Alarm
A customer-supplied external alarm horn can be
connected to the alarm module at terminal block TB14.
Connect to the normally open or normally closed contact
as recommended by the alarm manufacturer’s
instructions.
Item Specification
Wire Size #12-22 AWG Cu
Contact Voltage Rating
500 mA @ 120 VAC
250 mA @ 240 VAC
Figure 8-12 External Alarm Connection
Specifications
8.5.3 Audible Alarm Setup
Use the Common Alarms Setup screen to assign
functions to the audible alarm. See Section 5.13 for
instructions to set Audible Alarm: Y for each function that
should trigger the alarm.
8.5.4 Alarm Operation
Normal Mode
In Normal Mode, the horn sounds anytime a fault event
happens in the system. The horn continues to sound
unless the alarm silence button is pressed. When the
fault is cleared, the alarm silence is ended and reset for
the next alarm.
Alarm Operation: Chicago Alarm Mode
Chicago Alarm mode requires the horn to sound and a
lamp or LED to light when the switch is in the emergency
(non-preferred) position. The horn continues to sound
unless the alarm silence button is pressed. When the
fault is cleared, the alarm silence is ended and reset for
the next alarm.
For Chicago Alarm Mode, use the Common Alarm
Setup screen to assign the necessary faults and
conditions to the audible alarm. See Section 5.13. Be
sure to assign the Contactor in Standby condition to
trigger the audible alarm.
A remote alarm or indicator light can also be connected
to the alarm board to indicate the alarm condition. See
Section 8.5.2.
8.5.5 Alarm Silence Mode
In Alarm Silence Mode, the horn is disabled. Alarm
Silenced appears on the display and the system alert
LED lights.
The Alarm Silenced condition can be assigned to a
programmable output. See Section 5.12 for instructions
to assign outputs.
Instructions to Silence the Alarm in Normal and
Chicago Alarm Modes:
When the alarm is activated, the word Alarm appears on
the main display screen above the first button. See
Figure 8-13. Press the Alarm button to open the Reset
screen. Then press the button labeled Reset to silence
the alarm.
Reset
To Silence Alarm
BYReset Main
System Ready
LD Exer 12/14 @ 16:00
Norm 480V Emer 480V
Alarm View Set Test
Reset
Status or Fault Description
Alarm Silenced
BYReset Main
Figure 8-13 Alarm Silence

Kohler MPAC 1500 Specifications

General

Brand	Kohler
Model	MPAC 1500
Category	Controller
Language	English

Summary

Safety Precautions and Instructions

Accidental Starting Warnings

Warnings about accidental generator set starting and precautions to prevent it.

Hazardous Voltage and Moving Parts Safety

Details hazards associated with high voltage and moving parts, emphasizing safety measures.

Electrical Safety and Grounding Guidelines

Covers electrical grounding and handling procedures to prevent electrocution.

Short Circuits and Servicing Precautions

Highlights risks from short circuits, safe servicing practices, and electrostatic discharge prevention.

Introduction to the MPAC 1500 Controller

Service Assistance Information

Section 1 Installation and Initial Setup

Controller Connections and Wiring

Instructions for connecting the controller's logic board, including input/output and communication ports.

System Setup and Functional Tests

Covers setting system parameters, time/date, exerciser, and functional tests before operation.

Section 2 Operation Tests

Manual Operation and Voltage Checks

Procedures for testing manual contactor operation, voltage, frequency, and phasing compatibility.

Lamp and Automatic Operation Tests

Verifies controller LEDs and tests the automatic transfer switch functionality.

Section 3 Operation Procedures

User Interface Panel and Navigation

Describes the display, LEDs, pushbuttons, and navigation through screens and menus.

System Status and Operational Sequences

Explains the main screen, status messages, and detailed operational sequences for different transition models.

Tests, Warnings, Faults, and Resets

Covers system tests, troubleshooting warnings/faults, and procedures for resetting data and parameters.

Section 4 View Screens and Data Access

Navigating View Screens

Guides users on accessing and navigating the main screen and various view screens for system information.

Event History and Maintenance Records

Explains how to view recorded events and track maintenance data for troubleshooting and system history.

Viewing Configuration Parameters

Covers viewing settings for exerciser, prime power, system, source, time delays, inputs/outputs, alarms, and communications.

Section 5 Setup and Configuration

Controller Setup Basics and DIP Switches

Covers DIP switch settings, source naming, and initial setup procedures.

System Parameters and Time Delays

Details factory settings for system parameters, voltage/frequency sensing, and various time delays.

Advanced Setup Options

Includes exerciser scheduling, prime power, load control, source setup, communications, and three-source systems.

Passwords, Calibration, and Data Reset

Covers password management, system calibration, and data reset procedures.

Section 6 Communications Setup

Connection Methods and Protocols

Describes serial, Ethernet, and USB port connections and Modbus communication protocols.

Configuring Communications and USB File Transfer

Details setting up serial and Ethernet communication parameters and managing data files via USB.

Section 7 Scheduled Maintenance

Maintenance Overview and Safety Precautions

Emphasizes the importance of preventive maintenance, safety precautions, and general inspection guidelines.

Testing and Inspection Procedures

Details weekly generator set exercises, monthly control system tests, and general external/internal inspections.

Service Schedule and Recommended Tasks

Provides a schedule of recommended maintenance tasks for electrical, control, and general equipment conditions.

Section 8 Accessories and Options

Accessory Modules and Mounting

Introduces available hardware options, their current draw, and mounting procedures.

I/O Modules, Alarm, and Battery Supply

Details I/O modules, alarm functions, DIP switches, and the external battery supply module.

Specialized Accessories and Controls

Covers heaters, TVSS, supervised transfer switches, current sensing kits, and load shed accessories.

User Interface, Logic Disconnect, and Software

Describes the user interface cover, logic disconnect switch, and monitoring program software.