Appendix B - Power Supply
Installation Handbook, AutroSafe Interactive Fire Detection System, Release 4, 116-P-ASAFE-INSTALL/DGB Rev. I, 2014-04-01,
Autronica Fire and Security AS
Page 80
15.7 Button S2 – Start on S2 on Standby Source
By pressing button S2 one second, the system can be started (without
mains source) from the battery when the battery voltage is >20V DC.
Note that, if the battery voltage is less than 20V DC, the button will
have no affect (hardware controlled).
Troubleshooting:
In some cases the voltage can be slightly above 20V DC and drop
rapidly to below 20V DC. The relay will then tend to chatter. In this
case, it is recommended that the system is not started until the battery
is fully charged.
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