FV582 Rev. B 7/19/2018
Page 5
STEP 1 – Locate Sensor Box
Locate sensor box in the wall according to model number as shown on pages 2 and 3. Install plaster ring so screw holes are on left and
right side of box (as shown in Figure 3). Trim tiles to allow screw holes in plaster ring to show.
Note: Product is configured at time of shipment for a 168 hour trap seal flush (SW1 in OFF position on rear of sensor). If a 48 hour trap
seal flush is desired, set SW1 to ON position. (Figure 3A)
STEP 2 – Mount Automatic Sensor (Figure 3)
Install the Zurn Automatic Sensor into the lower half of the 2-gang electrical box using two (2) screws provided. Connect the 2-wire power
cable and 3-wire actuator cable to sensor. Connectors are keyed to insure correct polarity. Ensure that the sensor is mounted in the
orientation shown (with lens angled downward, see Figure 4).
STEP 3 – Install Top Bracket (Figure 3)
Fasten the Top Bracket to the electrical box using (2) screws provided. Ensure that bracket is mounted in the orientation shown (with face
angled upward, see Figure 4).
STEP 4 – Install Cover Plate (Figure 4)
Perform a trial fit of the Cover Plate and adjust positions of the sensor and top bracket as needed to ensure alignment of sensor lens,
button, and cover screws. Fasten Cover Plate with (4) screws provided.
Sensor Installation
Closet & Urinal Installation
(Shown with cover removed)
Front surface of device cover
to be flush with finished wall
Figure 3A
Device Cover
#52-C-18
4 x 4 x 2 1/8
2 Gang Electrical Box
#52171-N
Figure 3
SW1
Top Bracket
Bottom Bracket/
Sensor Assembly
Power
Connector
Motor
Connector
Figure 4
