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4.7 CORRECT Power Up / Turn “ON” Procedure
Once all the field devices are installed and the wiring has been correctly terminated the FireFinder
PLUS is ready to turn on. For reliable power up it is essential the following procedure be followed;
1. Turn the Mains power on, THEN
2. Connect the batteries observing correct polarity.
3. The green power on LED should be illuminated.
4.8 Brigade / PSU Monitor Board
The Brigade / PSU Monitor Board (BRD86BPSC) monitors and controls the power supply, battery
charging, monitored / un-monitored inputs, outputs and the 5 relay outputs.
Connections
1 Amp Voltage Free Contacts
1 Amp Voltage Free Contacts
1 Amp Voltage Free Contacts
1 Amp Voltage Free Contacts
1 Amp Voltage Free Contacts
Battery Out / 27VDC PSU IN
External Board / SW POWER
Relay Information
Voltage Free contacts are rated at 1A @ 30V
Back EMF Protection
Inductive loads fitted to the Brigade PSU Monitor Board MUST be fitted with “Flyback”
diodes at the load for back EMF protection.
Transient Protection
Recognised transient line protection methodologies at the FACP and the load MUST be
considered when connecting any control devices to the outputs be they in close or remote.