Instruction Manual

10/16
Form 925 (08.13) ©SOR Inc.
 Disconnect power to the unit.
 Remove the housing cover.
 Remove two screws holding bracket to plastic holder.
 Slide out PC board to expose the sensor connection.
 Disconnect the sensor wire.
 Unscrew the sensor from the housing.
 Apply thread sealant to the male threads of the new sensor.
 Thread the new sensor into the bottom of the housing.
 Connect the sensor wire to the “probe” connection on the circuit board.
 Slide the PC board into the grooves in the plastic ring inside the housing.
Replace the two screws holding the bracket to the plastic holder. These screws are self-
tapping. Do not over–tighten.
Reconnect power and replace the housing cover.
Replacement Sensors
See Form 1100 RF Catalog for replacement sensor model numbers
Sensor Replacement
Circuit Board Replacement
 Disconnect power to the unit.
 Remove the housing cover.
 Remove the two screws holding the bracket to the plastic holder.
 Slide out PC board.
 Disconnect power wiring, sensor wire, and the ground connection to the housing.
 Connect the power wiring and sensor lead to the new board. Connect ground to the
housing.
 Slide the new board into the control housing.
 Replace the two screws holding the bracket to the plastic holder. These screws are
self-tapping. Do not over–tighten.
 Reconnect power and replace the housing cover.