© 2018 UTC Fire & Security Americas Corporation, Inc.
1 / 4
P/N 466-2979 (EN-FR)
• REV A • ISS 24APR18
All rights reserved.
AS280 Indoor Siren Installation Sheet
EN
1
2
EN: Installation Sheet
Description
AS280 is a high performance certified internal sounder for
industrial / commercial applications and any situation where a
high performance internal sounder is required.
•
Nominal siren output 116 (±2) dB(A) @ 1 metre.
•
Silent power up.
•
Positive ‘hold off’ trigger command.
•
Selectable cut off timer, 15 or 30 min plus 5 second test
mode.
•
Battery protected against deep discharge.
•
Opening and removal from mounting tamper protection.
•
Tamper signalling via volt free contacts.
•
Auto reset fuse protection for battery circuit.
•
Designed to comply with EN50131-4: 2009. Grade: 2.
Environmental Class: II.
•
Battery deep discharge protection
– to prevent permanent
damage. The sounder stops functioning automatically
when the voltage falls under 9.5 Volts
•
Re-arming Sounder: After triggering the sounder can only
be re-triggered if +BL is taken to +12 V, before again
taking to 0 V. An NP2.1 or PS-1221 battery provides 3
operations of 30 minutes at a normal acoustic volume.
Connections
Terminal
Description
Terminal Description
+ ALIM
+14.3 VDC
Batt+
+ Battery (RED CABLE)
0V ALIM
0 V
Batt-
- Battery (BLACK CABLE)
+ BL
+ Hold off
(transition to 0 V
will trigger the
sounder).
AP
Tamper contact
Closed contact = normal
Open contact = Tamper
(opening or removal from
mounting)
OUI
NON
✔
(2)
✘
(1)