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4.6
Power Supplies and AC Mains Installation
Generally the AC Mains will be connected to either a 5 Amp, 14Amp or 22 Amp 27 volt supply.
These supplies will be either mounted in the upper or lower right hand corner of the cabinet with the
Brigade Board mounted in close proximity.
The wiring should enter the cabinet through the nearest knockout entry hole on that side.
Refer to Figures 6 - on for the wiring and fusing details for each supply.
4.6.1
Connecting the Mains Earth
All earth cabling shall be terminated to the panel Chassis Earth Terminal in a star configuration.
The earth cable closest to the cabinet body shall have an M4 SPW beneath the lug then an M4 SPW
and M4 nut.
Each additional earth cable shall be terminated with an M4 SPW and M4 nut.
An additional M4 nut and M4 SPW are fitted to the Chassis Earth Terminal for installers to connect
their Mains Earth.
M4 Shake Proof Washer
M4 Shake Proof Washer
CHASSIS EARTH TERMINAL
M4 Nut
Earth Cable
M4 Nut
* Extra M4 Nut and M4 SPW are
provided finger tight on the Earth bolt.
Figure 6: Panel Earthing
4.6.2
Connecting 5 AMP Power Supply
Output Voltage:
27.4 Volts.
FUSE Rating:
2 Amp 3AG Slow Blow
Mains Cable:
should be no less than 0.75mm
Figure 7: Mains Power Connection to the 5 AMP Power Supply
Summary of Contents for FireFinder PLUS
Page 1: ...FireFinder PLUS ...
Page 4: ...FIRE BRIGADE RESPONSE GUIDE ...
Page 99: ...Page 92 12 17 3 Panel Interfacing ...
Page 127: ......