User's Manual

ConneX1 Operator’s Manual
37
Replacing the Sensor and Sensor Filter
2. Insert the new sensor.
3. Reassemble the detector. Ensure the antenna is inserted first before
the PCB.
4. Press the PCB down until a click is heard.
5. Replace the rear shell. Ensure the front and rear shells have a tight, uniform
1 mm (1/16 in.) seal on all sides of the detector.
6. Replace the four machine screws using 3-4 in. lbs of torque. Do not
overtighten the screws.
7. New sensor should be calibrated prior to use. Calibrate the new sensor
immediately. Refer to
10. Calibration on page 25.
16.2.2 Replacing the Sensor Filter
Replace the sensor filter as required. Environments with more airborne particulates
may require more frequent filter changes.
1. Gently remove the PCB by sliding out and then up.
2. Remove the sensor filter.
3. Insert the new filter. Ensure the black side of the filter faces the sensor grill.
The white back of the sensor filter should face the sensor.
4. Reassemble the detector. Ensure the antenna is inserted first before
the PCB.
5. Press the PCB down until a click is heard.