Dispenser Pan Sensor Installation Installing the Dispenser Pan Sensor14Dispenser Pan Sensor InstallationTo install any of the Dispenser Pan Sensors:Important ☞ Do not install the dispenser pan sensor if there is any liquid in the dispenser pan.Failure to comply can result in equipment damage or undetected potentialenvironmental and health hazards.1. Make sure no liquid exists in the dispenser pan.Important ☞ Before removing an existing dispenser pan sensor be sure to mark field wires in thejunction box to maintain correct sensor wiring polarity during the replacementprocedure.2. Choose a location in the dispenser pan following these guidelines to help insureproper operation of the sensor:❑ The sensor should rest in the cup or lowest point of the dispenser pan.❑ The sensor should be mounted in a true vertical position, where it can be pulledstraight out for future service or replacement.❑ If installing the sensor into a backfilled pan, it is recommended that a screentube be used for ease of removal and reinstallation.Refer to Figure 10, “Typical Dispenser Pan Sensor Installation,” on page 15, orFigure 11, “Typical Dispenser Pan Sensor Installation in a Dispenser Sump,” onpage 15.WARNINGThis device is installed in equipment where potentially lethal voltagesmay exist.Electrical shock resulting in serious injury or death may result ifpower is on during installation and the device is improperly installed.Before installing this device, turn off power to the system.OFF