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ORYX202 ORYX204 ORYX208 Conventional Fire Panels
– INSTALLATION & OPERATION MANUAL
PRMAN-0047 ORYX200 S21 Fire Panel Range Rev 02.00 220224.docx
E&OE
- 16 -
Figure 14
Internal Arrangement Showing Recommended Cable Routing for ORYX208 Weatherproof Panel
without the DIN Rail Mounted Modules
1.8.2
AC MAINS WIRING
Route the high-voltage Mains AC wiring into the enclosure at the upper left corner only. Keep the AC wiring
away from the circuit boards and all other wiring.
The power supply must be connected to the supply earth through the power cable.
The Mains Input connector is shown in Figure 15. Note the positions of the earth, neutral and live
terminal connections. These are clearly marked on the label next to the PCB connector. The
connector block contains an integral fuse holder.
Secure the Mains Input wiring by tie wrap as close to the terminal block as possible.
Connect the power supply to the Mains Supply via a readily accessible disconnect-device (Isolation Switch)
and suitable earth fault protection incorporated in the building installation wiring. The Mains cable should be
0.75 mm
2
cable rated at 250 V AC and fused via a 1 A anti-surge fuse.
The two fuse holders are a pull-out type that can switch off the power supply, if required. We do however
recommend that the power supply be switched off at the AC Mains Supply indicator.
The fuse is rated as follows:
T 1A H 250 V AC
. Replace with correct rating and specification only.
Figure 15
AC Mains Terminations