©2020 EMS Ltd. All rights reserved Page 11 of 36 MK349-0001-99 (Issue 1) 22/10/2020 AJM
Addressable fire system wiring
FOOTNOTES
*
†
Optional cabling, required only when the following SmartCell devices are added to
the WZM; detectors, call points and I/O Units (I/O units when set to ‘Off When Reset’) -
see page 31 for details on this feature.
Wiring can be normally open or normally closed operation as required.
SKIP THIS STEP IF CONNECTING TO A CONVENTIONAL FIRE SYSTEM.
Wire the inputs as shown below, using the resistor pack provided.
If an input is not being used, leave the 20 kΩ resistor as factory fitted.
Both outputs are voltage free and rated 30 V @ 1 A.
The maximum cable length to connected devices is 10 m.
BAT
ENABLE
TAMPER
RESET
AERIAL A AERIAL B
ATTENTION
ELECTROSTATIC
SENSITIVE DEVICE
RS232
EN54-4 UNIVERSAL PSU
SC-60-1000
INPUT: 220-240VAC, 50Hz, 0.3A
OUTPUT: 5.0-8.5VDC, 0.8A MAX
STATUS
FAULT
MAINS / CHARGER FAIL
BATTERY LOW
BATTERY FAIL
START
INPUT
L N
For additional information refer to TSD042
0359-CPR-00267
15
0905
SLIDE TO
REMOVE
EOL
(+) (-) (+) (+) (-) (+) (-) (+) (-) (+) (+) (-)
SOUNDER A
L1 L1 L2 EOL ALARM L1 L1 L2
IN OUT RES IN OUT
ZONE
A B
A B NC C NO NC C NO
FIRE
INPUT2
INPUT1
FAULT
FAULT
ACTIVE
FAULT
ACTIVE
A
B
C
D
230 VAC variant shown
NC C NO NC C NO
FIRE
FAULT
A B
INPUT1
FAU LT
ACTIVE
A B
INPUT2
FAU LT
ACTIVE
FAULT INPUT
FIRE INPUT
NO C
FIRE OUTPUT 2
(to clear when
panel reset)
FIRE OUTPUT 1
(to clear when
panel silenced)
NO C NC NO C
Addressable fire system connections
NO C NC
*
††
4k720k
4k720k
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