FV38 Rev. D 2/27/12
Page 5
Override Button
on closet models only
Override Button assembly. (Yoke
offset extends into device cover)
Zurn “ZEMS” Sensor
(Install horizontally for
closent models, install
vertically for urinal models)
Closet Installation
(Shown with cover removed)
Urinal Installation
(Shown with cover removed)
Front surface of device cover
to be flush with finished wall
Figure 3
Sensor Installation
Closet Models
: 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.
Urinal Models:
Install reducing cover so screw holes are on top and bottom side of box (as shown in Figure 3). Trim tiles to
allow screw holes in plaster ring to show.
STEP 1 – Locate sensor box
Locate sensor box in the wall according to model number as shown on pages 2 and 3.
STEP 2 – Mount Automatic Sensor
(Figure 3)
Install the Zurn Automatic Sensor into the 2-gang electrical box using two (2) long screws provided. Ensure that wires from
sensor case point up for closet installs and point to the right for urinal installs. The rubber push caps will be on the left side
of the sensor for closet and at the top for urinal (See Figures 4 and 4A). The sensor lens faces outward from the finished wall.
STEP 3 – Mount Yoke and Override Button
(Figure 4)
Install inner nut, bracket and sealing boot on threaded shaft of override push button. Mount bracket to yoke. Adjust the distance
so that the override push button will protrude through the wall plate using the nuts on each side of bracket. Wire the override
push button as per Figure 1. Mount the assembled yoke to the electrical box.
Inner Nut
Yoke
Sealing
Boot
Bracket
Override
Button
Figure 4
(Closet)
Device Cover
#52-C-18
Device Cover
#52-C-14
4 x 4 x 2 1/8
2 Gang Electrical Box
#52171-N
4 x 4 x 2 1/8
2 Gang Electrical Box
#52171-N
Figure 4A
(Urinal)
