Alarm Board Dip Switches; External Alarm; Audible Alarm Setup; Alarm Operation - Kohler MPAC 1500 Manual

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
Wire Size
Contact Voltage Rating
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.
110 Section 8 Accessories
Specification
#12-22 AWG Cu
500 mA @ 120 VAC
250 mA @ 240 VAC
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.
System Ready
LD Exer 12/14 @ 16:00
Norm 480V Emer 480V
Alarm
To Silence Alarm
B Y
Status or Fault Description
Alarm Silenced
B Y
Figure 8-13 Alarm Silence
View Set Test
Reset
Reset Main
Reset
Reset Main
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