INSTRUCTION MANUAL
A121AX, AL121AXH, AL121AXX & MV121 APPELLO
Alarm Tone and Voice Annunciation Sounder
European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
Document No. D166-00-001-IS_Issue_3 16-11-22
Sheet 1 of 10
1) Introduction
The Appello tone and speech annunciation
sounder has three different styles in AC and DC.
•
A121AX Sounder
•
MV121 Sounder
•
AL121AXH High Output LED
Sounder-Beacon Combination unit
•
AL121AXX Xenon Strobe
Sounder-Beacon Combination unit
These Sounder units share a common set of
functions:-
•
4 stages, each stage can record up to 30
seconds of CD quality audio.
•
Facility to record via an on board microphone
or a line in input.
•
The recorded message can be played back
proceeded either with or without the choice
of one of forty five tones.
The Beacon functions are either:-
•
Xenon Strobe - 1Hz flash rate
•
LED - Either Steady or 2Hz blink rate
2) Operating and Marking
All
units
have
the
following
operating
requirements and limitations.
Unit Type No. Voltage Range Current
Sounder only outputs
A121AX DC
24Vdc 14-30Vdc 1.51A
& MV121 DC
Max Current 1.85A @ 30Vdc
A121AX AC
115Vac 90-260Vac 542mA
& MV121 AC
230Vac 90-260Vac 517mA
Max Current 668mA @ 90Vac
AL121AXH / AL121AXX combined unit - Add
selected sounder & beacon currents to calculate
total current required.
Beacon only outputs
AL121AXH DC 24Vdc 10-30Vdc 157mA
Max Current 166mA @ 30Vdc
AL121AXH AC
115Vac 90-260Vac 60mA
230Vac 90-260Vac 35mA
Max Current 60mA @ 90Vac
AL121AXX DC 12Vdc 10-14Vdc 500mA
24Vdc 20-28Vdc 250mA
AL121AXX AC /-10%Vac 100mA
/-10%Vac 50mA
Operating Temp: -20 to +55
C
All units IP Rating: Type 4 / 4X / 3R / 13 , IP66
MV121
additional IP Rating: IP67
Marking:
3) Installation & Wiring Requirements
A121AX
AL121AXH / AL121AXX
MV121
A121AX
UNIT
AL121AXH /
AL121AXX
UNITS
MV121
UNIT
