User guide
UNITY DAU Installation & Maintenance Manual
Document DCC UND 7001-01 Rev 1 June 2005 Page 17 of 17
Technical Specification
POWER SUPPLY AND CHARGER
AC input 230Va.c +/- 10% 50/60Hz
Internal power supply 30VDC
Supply & battery monitored Open, Short, Fuses
Protection Deep discharge, Short, Thermal
Temperature compensation YES
Battery size and type 2 x 12V 3.2AHr VRLA connected in
series
Mains fuse 240V 2A HRC ceramic 20mm
Compliant with IEC (EN60127 Pt2)
Battery fuse 5AF 24V Blade Fuse
Max Battery Charge current 1.1A
INPUTS
BGM
Sensitivity -6dBV to +2dBV
Remote Control Range 30dB (short for max volume, open to
mute)
Remote Pot Value 10KΩ
PAGE
Sensitivity -6dBV to +4dBV
Ptt Type 5V to access
Power +24V nominal 100mA self-resetting fuse
Fire Interface
Inputs 3 off isolated +12V to +33V (Alert,
Evacuate, Reset)
Outputs 1 Relay (open on fault) 30V 1A Max
Power +24V nominal 100mA self-resetting fuse
Fire Microphone
Audio Sensitivity 0dBV Balanced Line
Control Inputs 4 off Monitored triggers (PTT, MSG1,
MSG2, CNCL) 1.8V rest 5V active.
Power +24V nominal 100mA self-resetting fuse
SPEAKERS
Circuits 2 off 30W each
Level 100V RMS (+40dBV)
Bandwidth 80Hz to 18KHz (-3dB full power)
Distortion 0.1% 20W 27.6V
1% 30W 26V
Monitoring DC end of line (9KΩ expected)
Fault indication Open, Short, Earth
Protection Short, Open, Thermal, DC offset
The Unity DAU is designed and manufactured in the UK by:
Current Thinking Ltd,
Unit 91 Silver Briar
Enterprise Park East,
Sunderland,
SR5 2TQ.
www.current-thinking.com
info@current-thinking.com
WEEE
Compliant
Product