39
When the PAS alarm has been acknowledged within the given time limits and the system
resets, the following occurs:
•
The buzzer remains silenced.
•
Common Alarm LED turns OFF.
•
Individual zone LED (if programmed) turns OFF.
•
Cancels the alarm event with no log reference.
•
Fire alarm system returns to normal.
If at any time during the Positive Alarm Sequence a second alarm (PAS or otherwise) is
actuated or the given time limits expire, the fire alarm will go into evacuation mode and the
following occurs:
•
Common Alarm relay activates if Aux disconnect is not active.
•
The Auto Signal Silence timer activates (if configured).
•
The Signal Silence Inhibit timer activates (if configured).
•
If Aux disconnect is not active, activates all non-disconnected indicating circuits
programmed to the input.
•
Activates non-disconnected strobes associated with the input.
•
Activates non-disconnected signals associated with the input at the evacuation rate.
In a preconfigured FACP the Positive Alarm Sequence may be enabled or disabled as the
user requires. For more information on enabling or disabling the Positive Alarm Sequence see
5.8.1 Enabling or Disabling the Positive Alarm Sequence.
5.8.1
Enabling or Disabling the Positive Alarm Sequence
Enabling or Disabling the Positive Alarm Sequence is done using the numeric keypad. For
more information on how to use the Numeric Keypad see section 6.2.1 Numeric Keypad and
Cursor Buttons on page 62. For details on configuring the FACP for PAS see LT-1148 FX-3500
Programming Manual.
How to Enable or disable the Positive Alarm Sequence
1. From the Keypad of the FACP press
M
to enter the
Menu
.
2. Using the
Up and Down
cursor buttons, scroll to
Operation
.
3. Press
Enter.
4. In the
Operation Menu
scroll to
Positive Alarm
.
5. Press
Enter
.
You will now see the current status of the
Positive Alarm Sequence
and will be
prompted to change status.
Figure 13 Enabling the Positive Alarm Sequence
6. To change the status press Enter.
7. To exit without changing the status press
Cancel
.
Note:
There will be no notification message advising a change of status.
Pos Alarm disabled
Enable? Y
i