EDWARDS SYSTEMS TECHNOLOGY EST3 - Page 93

Operation sequence charts
EST3 System Operation Manual B.3
Table B-3: Fire Alarm Sequence - Zone Annunciation
EventØ
3-LCD DisplayÚ
Normal
First
Alarm
Subsequent
Alarm
Alarm
Restore Reset
Panel Annunciator Off On red On red No change Off
Printers Ready Prints event Prints event Prints on
restoration
Off
History Logger Ready Logs event Logs event Logs
restoration
Ready
Table B-4: Fire Alarm Sequence - Notification Appliance Circuits (Default Operation)
EventØ
3-LCD DisplayÚ
Normal First
Alarm
Subsequent
Alarm
Alarm
Restore Reset
General Alarm
Audible Notification
Circuits
Off Sounds
alarm
No change,
resounds
alarm if
silenced
No change Off
General Alarm Visual
Notification Circuits
Off Displays
alarm
indication
Displays alarm
indication
Displays alarm
indication
Off
Table B-5: Fire Alarm Sequence - Off Premise Connection
EventØ
3-LCD DisplayÚ
Normal First
Alarm
Subsequent
Alarm
Alarm
Restore Reset
Reverse Polarity
Alarm Output
Off Reverses
polarity
No change No change Reverses
polarity
back to
normal
Common Alarm
Relay
Off On No change No change Off
Auxiliary Control
Relays
Off
On as
programmed
On as
programmed
No change Off
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