6
IMPORTANT: Make sure sensor is fully inserted for proper operation.
The detector will stay in warm-up mode if the sensor becomes loose or
is not fully inserted.
FILTER SENSOR
KEYWAY
ALIGNMENT
PUSH STRAIGHT ON TO INSTALL SENSOR
DO NOT TWIST
PULL STRAIGHT OUT TO REMOVE SENSOR
DO NOT TWIST
FILTER
KEYWAY
UNSCREW TIP
TO REPLACE FILTER
MAINTENANCE
BATTERIES:
Install Batteries: Remove screw located at the center area of the
bottom housing and remove battery door as shown. Always insert all four
batteries into the battery compartment in the same direction.
NOTE: polarity mark on the inside of the battery compartment for proper battery orientation.
SENSOR:
Replace Filter: Unscrew sensor tip as shown to replace filter. Replace filter
whenever it becomes visibly dirty or every 2 to 3 months depending on use.
Replace Sensor: Remove sensor by pulling out of socket. Install the new sensor by
aligning the notch in sensor socket with the raised tab on the sensor (see figure below).
NOTE: Do not force sensor into socket. Misalignment can damage the sensor pins.