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3.
Hold the magnet next to the arrow on the end of the
sensor and then pull the magnet away from the sensor.
4.
Listen for siren beeps to determine appropriate response
(refer to the specific panel/receiver documentation).
5.
Exit sensor test mode.
Mounting
To mount the sensor, do the following:
Mount the sensor base with two 6 x 1.00 in. PPH screws
1.
at the T and L mounting hole locations.
a) Start both the T and L screws and turn down about
halfway.
b) Level and tighten the L screw first.
c) Tighten the T screw last. Do not overtighten the T screw
(see fig. 3).
2.
Remove the magnet from its base.
3.
Line up the arrow on the magnet with the small notch on
the side of the sensor, depending on the internal reed
switch being used (see fig. 4).
Mount the magnet base with the 6 x 0.625 in. PPH
4.
screws no more than 1 cm (0.4 in.) away from the sensor
base. Replace the magnet cover.
5.
Attach the sensor cover to the sensor base and secure
with the 4 x 0.250 in. PPH screw.
External contact wiring
Use the following specifications for the external contact:
•
Maximum wire length: 8 m (26 ft).
•
Stranded, 0.7112 mm (22-gauge) wire.
•
Hermetically sealed external switches (sealed reed switch)
that supply a minimum 250 milliseconds open or close on
alarm.
•
Do not connect more than five external contacts to a door/
window sensor.
You can wire the terminal blocks on the sensor with leads from
an external contact. Contact includes both alarm and tamper
indication. The external contact is wired with two end-of-line
(EOL) resistors; one in series with, and one across the external
contact. EOL resistors must be installed at the external
detection device for proper supervision. This gives the
following readings for a normally closed configuration:
•
Open/short = Tamper
•
1 R (4700 Ohms) = All devices closed (normal)
•
2 R (9400 Ohms) = Alarm (EOL resistor + parallel resistor)
See fig. 5.
Input selection
Only one door/window input can be used at any given time. For
example, if the external contact is being used, neither of the
internal reed switches can be used.
Position the input selection jumper to select internal reed
switch 1, internal reed switch 2, or external contact.
Note:
Device should be powered down while positioning the
input selection jumper.
P/N 466-2285 • REV E • ISS 18MAR19
See fig. 6.
Sensor test
The sensor test verifies good communication between the
sensor and the panel/receiver.
To test the sensor, do the following:
1.
Put the panel/receiver into sensor test mode (refer to the
specific panel/receiver's documentation).
2.
Open the door/window the sensor is protecting. The
sensor transmits a signal.
3.
Listen for siren beeps to determine the appropriate
response (refer to the specific panel/receiver's
documentation).
4.
Exit sensor test mode.
Battery replacement
When the system indicates the sensor battery is low, replace it
immediately. Use the recommended replacement batteries or
contact technical support for more information.
To replace the batteries, do the following:
1.
Remove the sensor cover.
2.
Remove the battery and dispose as required by local laws.
3.
Insert the replacement battery, observing correct polarity.
4.
Do a sensor test with the panel.
Specifications
Model number
Brown: NX-451-N, RF320I4B-N, 600-1056-
43
White: NX-450-N, RF320I4-N, 600-1057-43
Frequency
433.050 MHz - 434.040 MHz
Compatibility
UTC 433 MHz AM control panels / receivers
Battery type
3.0 V, 1300 mAh lithium
Recommended
Duracell DL 123A, Panasonic CR123A,
batteries
Sanyo CR123A, Varta CR123A
3 to 5 years (at 20°C)
Estimated battery life
Supervisory interval
Less than 20 minutes
0.50 dBm
Maximum RF output
power
0 to 49°C (0 to 120°F)
Operating temperature
−34 to 60°C (−30 to 140°F)
Storage temperature
Relative humidity
0 to 90% non-condensing
Dimensions (L x W x D)
102 x 32 x 32 mm (4.02 x 1.26 x 1.26 in.)
Weight
44 g
Regulatory information
Manufacturer
UTC Fire & Security Americas Corporation, Inc.
3211 Progress Drive, Lincolnton, NC, 28092,
USA
Authorized EU manufacturing representative:
UTC Fire & Security B.V.
Kelvinstraat 7, 6003 DH Weert, Netherlands
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