User's Manual

TM0110 Page 22 of 22 Issue 1.00
Maximum total sounder load Up to 500 mA each circuit (limit to 1A total)
Maximum cable length per circuit 450 metres
Maximum line resistance 22
Maximum number of bells @ 25 mA each 40 (must be polarised and suppressed)
Maximum number of sounders @ 20 mA each 50 (must be polarised)
Fire Output 1
Number of circuits 1
End of line resistor value 6K8 5% 0.25 W
Monitored for open and short circuit YES
Fire output 1 circuit voltage 24V DC max, 21V minimum
Maximum circuit load Up to 500 mA
Max cable length per circuit 450 metres
Maximum line resistance (each core) 22
Maximum cable capacitance 1 µF
Auxiliary Output
Auxiliary fire 2 output relay Volt free SPST 30V 1A normally de-energised
Auxiliary fault output relay Volt free SPST 30V 1A normally energised
Auxiliary 28V power output 500 mA (T) anti-surge
Auxiliary Input
Number of circuits 1 – CLASS CHANGE
Max number switches No limit
Connection Block
Largest conductor size 2.5 sq mm
Smallest conductor size 0.75 sq mm
5.4 BATTERY REPLACEMENT
The batteries should be replaced every four years.
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
MANUFACTURER’S INSTRUCTIONS.
The EN54 approval testing was carried out using Yuasa NP7-12 batteries.
Use of another battery type may invalidate the EN54 approval.