LCX 890 Installation Guide 49
Wiring an Occupancy Sensor
as a Momentary Override
Adjacent to each output are four terminal screws that you can wire a
motion sensor to. To provide +24 VAC Rectified to the sensor, you also
connect the blue wire to the terminal for +24 VAC RECT to the left of
output 14. You can use up to 1,000 ft (304.8 m) of 20/4 AWG (0.5 mm
2
/
4) ROSWIRE-4 or ROSWIRE-4P.
You wire the motion sensor as follows:
1. Loosen the BLK, RED, and WHT screws on the terminal block you
are connecting the sensor wires to.
2. Loosen the screw labeled BLUE on the +24 VAC RECT terminal
block located to the left of output 14 on the LCX 890 or near the top
center on the LCX 898.
3. Slip the black wire under the BLK screw and tighten the screw down
on it.
4. Slip the red wire under the RED screw and tighten the screw down
on it.
5. Slip the white wire under the WHT screw either on the terminal
block for the sensor or on the terminal block for the +24 VAC
RECT. Tighten the screw down on it.
6. Slip the blue wire under the BLUE screw and tighten the screw
down on it.
Note
You can have multiple wires under the same screw or under the other
BLUE screw. However, you may have a maximum of 10 occupancy
sensors wired to both blue terminals on the +24 VAC RECT terminal
block.
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