version 4.7.2 – July 10th, 2022 Firmware version V2.1.7 and higher
EXXFIRE Installation and Service Manual 57
4.5.2 Install mains power cable
Figure 46 Mains power wiring
The device is powered by 100/240 Vac mains. The rightmost cable gland is used to bring mains
power into the enclosure.
Ensure that the mains cable is disconnected from the power source before connecting to the
system.
Strip an appropriate amount of the outer sheath away and strip the conductors before inserting
into the cable gland. Ensure that the gland seals tightly against the outer sheathing, providing
both physical support for the cable, and an airtight seal. Failure to do this will result in
increased false alarms since the sampled air flow rate will be less stable.
Keep any excess cable inside the box to a minimum. Excessive looping of “spare” cable will
compromise EMC tolerance, and could lead to increased false alarms.
Connect the earth, neutral, and live conductors to the green push-in connector as shown in the
picture above.
A fuse holder for the mains power connection is located at the right side of the mains power
connector. The fuse type to be used is a slow acting fuse, rated at 1A and 250VAC.
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