Chapter 2: Installation
2X-A Series Installation Manual 39
Connecting the mains power supply
Caution: Connect the mains power supply before connecting the batteries.
The control panel can be operated at 110 VAC 50/60 Hz or 240 VAC 50/60 Hz
(+10%/−15%).
WARNING: For large cabinet control panels with a 6 A power supply, the power
setting must be changed manually (see “Selecting 115 or 230 VAC operation for
6 A power supplies” on page 40). For small cabinet control panels with a 4 A
power supply and large cabinet control panels with a 10 A power supply (-P
variants), the power setting switches automatically.
Mains power should be sourced directly from a separate circuit breaker in the
building electrical supply distribution board. This circuit should be clearly marked,
should have a bipolar disconnect device, and should only be used for fire
detection equipment.
Feed all mains cables through the appropriate cable knockouts and connect
them to the fuse terminal block as shown in Figure 17 below.
Keep mains cables separate from other cabling to avoid potential short circuits
and interference. Use the provided cable ties to secure mains cables to the
cabinet on either side of the fuse terminal block to prevent movement.
Caution: If the control panel has a network board installed, the mains cable must
enter the cabinet from the bottom for proper operation.
Figure 17: Connecting the mains power supply
1. Mains fuse
2. Live
3. Earth
4. Neutral
For fuse specifications, see Chapter 5 “Technical specifications” on page 137.
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