Telefire GUARD-7 - Specification; Power Supply; Main Board - Field Connection; When are Auxiliary Power Supplies Needed?

ADR-7000 / SAVER-7000 / GUARD-7
© 2017 – Telefire Fire & Gas Detectors Ltd Revision 0.98 October 2017
– Page 78 of 87 –
13 Specification
13.1 General Specification
Dimensions (W / H / D) ................................................. 140 / 332 / 505 mm
Operating Temperature range ....................................... -10°C – +60°C (14°F – 140°F)
Operating Voltage ......................................................... 230 Vac
Mains AC Current Consumption
basic configuration (1 loop) .................................... 60.0mA
each additional loop card ....................................... 17.0mA
LON-7000 .............................................................. 10.0mA
NET-7000 .............................................................. 120.0mA
Mains AC Current Consumption – 2 devices in alarm (control panel only)
basic configuration (1 loop) .................................... 280.0mA
each additional loop card ....................................... 17.0mA
LON-7000 .............................................................. 10.0mA
NET-7000 .............................................................. 120.0mA
Ground fault resistance
low sensitivity ......................................................... 14kΩ - 30KΩ
medium sensitivity .................................................. 30KΩ - 60KΩ
high sensitivity ....................................................... 50KΩ - 90KΩ
Event log
9,999 alarms / 9,999 faults
Drift compensation update time .................................... 3 hours
13.2 Power Supply
The ADR-7000 contains a 150W power supply. The SAVER-7000 and GUARD-7
contain a 100W power supply.
Battery charging ............................................................ automatic, variable current
automatically controlled. Max charging current 1,500mA ±10%
Batteries
two sealed lead-acid batteries, total voltage 24Vdc (two 12V batteries in series) with
a max capacity of 18AH (ADR-7000) or 12AH (SAVER-7000 or GUARD-7)
Battery capacity shall be determined according to the authority having jurisdiction.
13.3 Remote Anunciators
Remote annunciators
ADR-7000 .............................................................. up to 16 RM-7000 annunciators
SAVER-7000 / GUARD-7 ....................................... up to 3 RM-7000 annunciators
13.4 Main Board – Field Connection
NAC 1
Activation mode ..................................................... Reversed polarity, silenceable
NFPA classification ................................................ NFPA 72 Style Y
Activation condition ................................................ any alarm, silenceable
Current protection .................................................. electronic current limit
Max Current: .......................................................... 1.0A 24Vdc
EOL Resistor ......................................................... 5.1 KΩ