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Page Sensor
Ceiling Mounted
Paging Speaker
Priority
Page
Sensor
Strip plenum jacket from
speaker cable to reveal
two speaker wires.
Speaker Cable with
Plenum Jacket Intact
d
Open the sensor and loop a wire around the
sensor.
b
UL-Compliant Junction Box and Cover
Optional Accessory Installation — Priority Page Sensor Kit
The Priority Page Sensor Kit momentarily silences classroom audio whenever a page is made from a public
address (PA) system.
For detailed information, see the Priority Page Sensor Kit Installation Instructions, supplied with the device.
NOTE: The Priority Page Sensor works with traditional 25 V or 70 V and 4/8 ohm PA systems. It is not
designed for, and may not work properly with, two-way intercoms or systems that are IP-based or that use
digital clocks.
Priority Page Sensor Kit Included Parts:
• Priority Page Sensor
• UL-compliant junction box with a cable clamp and a lid
• 35 feet. (10.7 m) of sensor cable
Installation Procedure
WARNING: RIsk of serious personal injury if installation is not done correctly. All structural steps,
anchoring, and electrical installation should be performed by qualified personnel in accordance with local
and national building codes, fire and safety codes, and/or local and national electrical codes.
To meet the plenum rating requirement, the Priority Page Sensor assembly must be installed in a
UL-compliant junction box with a cover. All cables to and from the sensor must be plenum rated.
1. Choose a suitable location for the sensor near,
and in series with, the speakers.
2. If the sensor is to be located in a plenum
space, the junction box (provided) can be
used. Knock out an opening at one end of the
box and attach the cable clamp (see figure at
right). Secure the box at the sensor location.
3. Disconnect the PA system speaker cable from the
speaker.
Remove the outer protective jacket from the
speaker cable to expose the two speaker wires
from the sensor to the speaker (as shown at right).
Do not remove the inner protective jackets that
cover the individual wires.
If the sensor is to be located in a plenum space,
feed a loop of one of the exposed speaker wires
through the cable clamp into the junction box.
The other wire must bypass the sensor to be
connected later directly to the speaker.
4. Open the top of the Priority Page Sensor and loop
the speaker wire that is inside the junction box
tightly around the top part of the sensor.
NOTE: Loop only one of the speaker wires
around the sensor cover. Do not loop both
wires. Polarity need not be observed.
The other speaker wire must bypass the sensor and
connect directly to the speaker.
• For a 25 V or 70 V system, wrap 5 to 8 loops.
• For a 4/8 ohm system, wrap 2 to 4 loops.
Cable Clamp
PoleVault IP Systems • Optional Accessories 45