FV541 Rev. T 7/18/2018
Page 11
STEP 1.1
Place the Zurn MagicMagnet® (supplied) against the cap at the
lower right corner of the Zurn logo under the sensor lens. Hold in
place until the valve automatically flushes and the red LED light
flashes two(2) times. Remove Magic Magnet
®
from flush valve.
The valve has entered calibrate mode
Test new calibrated sensor range using targets of various
material types/textures to ensure calibration accuracy. Verify
that sensor range does not detect stall doors or other reflective
surfaces.
Sensor Range Adjustment (when necessary)
STEP 1.2
Place light-colored target at desired detection range away from
sensor. After 10 more LED flashes followed by a double flash
and/or flush the new detection range will be calibrated and set.
Figure 28
Accessing Piston Kit
1.)
Turn off water supply and press manual override button to relieve
all water pressure.
2.)
Remove valve cap to expose ring insert. Using the M3 Allen
Wrench remove the 4 screws and the ring insert.
3.)
Remove the remaining 2 screws and the solenoid flange.
4.)
Remove the piston kit from the valve body and inspect for
damage to the seals or debris in the orifice. Exccessive build up
of debris may occur on filter screen.
•
Do not use any abrasive or chemical cleaners to clean the flushometer.
• ONLY use mildly warm soapy water, and then wipe the device dry with a clean/soft towel or cloth.
• Upon cleaning other areas of the restroom, be sure the sensor lenses are protected from other cleaning chemicals/solvents to
prevent potential damages to the sensor and/or electronics.
Cup Seal
Face Seal
Orifce
Filter
Screen
Care and Cleaning Instruction
