Emerson Autochangeover Controllers AC8 - Manual (Page 47)

System and Control Options
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7.4 Setup System - Setup Common Alarm
The audible alarm sounds after the AC8 detects an alarm condition in any input that has been
defined as alarmable, including digital and analog sensor inputs. Once the alarm is silenced, there
are two options:
• By default, the common alarm remains energized until the input alarm is cleared.
• You may change this setting to de-energize the common alarm automatically once the alarm is
silenced.
You might want to reset the common alarm with silence if an external alarm—for example, a horn—is
connected to the common alarm output contacts.
You might not want to reset the common alarm contacts (let contacts reflect/track alarms) and simply
silence the audible horn.
To change the common alarm setting:
Log In and Choose Setup System
• From the Main Menu, use the arrows ↑↓ to choose System and
Control, then press Enter ↵ (see 7.1 - Login for help) .
• Enter your password at the Login screen.
• From the System and Control Menu, use the arrows
↑↓ to choose
Setup System, then press Enter ↵ .
Change to Reset (Y) or Not Reset (N)
• From the Setup System Menu, shown at right, use the arrows ↑↓
to choose Setup Common Alarm and press Enter ↵ .
• By default, the common alarm is set up not to reset automatically
when the alarm is silenced (N). To change this setting, use the
arrows ↑↓ to choose Y (Yes - reset with silence) or N (No - not
reset), then press Enter ↵ .
Setup System Menu
SETUP INPUTS
> SETUP COMMON ALARM
SETUP SENSOR
↑↓
=NEXT
↵
=SELECT
SETUP ZONES
SETUP OUTPUTS
SETUP MODEM&PAGERS
SETUP SYSTEM INFO
SETUP OPERATION
SETUP I/O MATRIX
Reset Common Alarm
RESET COMMON ALARM
WITH SILENCE? N
↑↓
=Y/N
↵
=END