MODELS
NFX-WS-** = Sounder Non Isolation
NFXI-WS-** = Sounder Isolation
NFX-WSF-** = Sounder Strobe Non Isolation
NFXI-WSF-** = Sounder Strobe Isolation
NFX-WF-** = Strobe Non Isolation
NFXI-WF-** = Strobe Isolation
** = Denotes colour
GENERAL
The range of intelligent AV devices are designed to be connected to analogue addressable fire
alarm systems.
These devices must only be connected to control panels that use a compatible proprietary
analogue addressable communication protocol.
These devices receive their power from the loop, and can be controlled via the communication
protocol(s).
The sounders have three volume levels and 32 tone sets. Models (NFXI-WS-**, NFXI-WSF-**,
NFXI-WF-**) containing the character ‘I’ prior to the Customer ID code include in built isolation
providing short circuit protection of the loop.
Up to 159 addresses are available. (consult the panel instructions to confirm compatibility)
These are selected via the two rotary switches. The ‘tens’ digits go from 0 to 15 and the ‘units’
from 0 to 9.
Note: if the control equipment is not capable of taking more than 99 module addresses, a fault
condition will be generated for every address over 99.
SPECIFICATIONS
Operating temperature range -25 to +70
o
C
Relative humidity up to 93% (± 3%) - non condensing
Terminal Size 2.5mm
2
- maximum
For isolator specification refer to document SP04-2289 available on request
INSTALLATION INSTRUCTIONS FOR WALL MOUNTED LOOP POWERED AD-
DRESSABLE SOUNDERS, SOUNDER STROBES AND STROBE ONLY
NFX-WS-**
NFXI-WS-**
NFX-WSF-**
NFXI-WSF-**
NFX-WF-**
NFXI-WF-**
Signaling Line Supply Voltage (non isolation)
15 to 32VDC (24VDC typical)
Signaling Line Supply Voltage (isolation)
15 to 29VDC (24VDC typical)
Max current consumption (non isolation) (High Volume
Tone 8 @24V)
5.58mA
8.86mA
N/A
Max current consumption (isolation) (High Volume Tone
8 @24V)
5.77mA
9.05mA
N/A
Sound Output to EN54-3 (High Volume Tone 8 @24V)
95dB(A) ± 3dB
N/A
Beacon flash rate
N/A
1Hz
1Hz
Max current consumption (non isolation) NFX*-WF-**
N/A
N/A
3.28mA
Max current consumption (isolation) NFX*-WF-**
N/A
N/A
3.47mA
Quiescent Current
450uA
TERMINAL
CONNECTIONS
VOLUME SETTINGS
Volume setting is selected by SW6
and SW7 of the 8 way DIP switch. The
appropriate tone set is selected by SW1 to
SW5 of the 8 way DIP switch (see table 1).
The 2nd stage tone (related to the 1st stage
tone) is controlled by the fire panel via the
protocol.
BASES/IP RATING
B501AP Base(IP 21C)
Deep Base(IP 44)
Waterproof Base(IP 65)
INSTALLATION
Affix B501AP base to a suitably flat wall.
Terminate the cable to the appropriate
terminals. For surface mount wiring the cable
can enter the B501AP base via the break
outs provided. Select
the appropriate Tone and
Volume settings via the
DIP switch.
Locate the main
assembly on to the base
by rotating until it locks
into place.
CONTINUITY
SPRING
The B501AP base
incorporates a
continuity spring
between terminals
2 and 4. This allows the continuity of the field
wiring to be checked without the need for the
device to be present. Inserting the device will
disengage the spring. Removing the device
will close the loop.
ANTI TAMPER LOCK
The B501AP base
also includes a tamper
resistant feature
that when activated
prevents removal of
the unit without the
use of a special tool.
This method is
consistent with the
anti tamper feature
across all devices
using this base. This
prevents the device
being turned to
enable its release.
SW6 SW7 Volume Setting
OFF OFF HIGH
OFF ON
MEDIUM
ON
OFF LOW
ON
ON
LOW
Breakout
If the waterproof option is required then the
wall gasket must be fitted behind the deep
base, and the sealing o-ring fitted after at-
taching the low profile base.
1
2
3
4
+
_
+_
