Hochiki FIRElink-400CM - Manual (Page 37)

FIRElink-400 Air Sampling System – Installation Manual Page 37 of 58
© 2010 Hochiki Europe (UK) Ltd 9-5-0-346/ISS4/OCT10
BAT + and – : battery recharge terminals. Bat + (red wire) goes to the positive terminal
of the first battery and Bat – (black wire) to the negative terminal of the second battery.
The negative terminal of the first battery is connected to the positive terminal of the
second battery with the yellow cable supplied (see section 185619544.01.1.1 “Backup
Batteries” on page 38).
+ and – : 24V DC supply connecting to the 24VDC and 0V terminals on the Command
Module terminal block respectively (see section 185619544.01.1.1 “Command Module
Power Supply Connections” on page 36).
NC and C : Volt-free fault relay contacts to connect to the "I/P 1" or "I/P 2" terminals on
the Command Module terminal block (see section 185619544.01.1.1 “Command Module
Terminal Block Connections” on page 34). Polarity of the wires on these terminals is not
important (see section 185619544.01.1.1 “Mains Check Enable (Yes/No - Address 000-
127)” on page 21).
24V supply fuse: 5 x 20mm 500mA type.
Mains supply terminals. This unit should only be powered by mains cable with an earth
conductor. Connections are as follows:
Neutral (N): Blue wire (White in U.S)
Earth : Green and Yellow wire
Live (L): Brown wire (Black in U.S)
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5
4
3
2
1
3
1
2
4
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