RKI Instruments 65-2485RK-02 - Manual (Page 18)

14 • 65-2485RK-02 Multi Point Detector
3. Unscrew the detector housing cap from the detector housing body. Make sure not to
lose the cap gasket.
4. Unplug and remove the CO sensor with the boot and charcoal filter attached.
5. Remove the rubber boot and charcoal filter from the old sensor.
6. Install the rubber boot with charcoal filter onto the replacement sensor’s face.
7. Carefully plug the replacement sensor into the four-socket pattern that is located in
the detector housing.
8. Make sure the cap gasket is in place and screw the detector housing cap back onto the
detector housing body.
9. Turn on or plug in power to the controller.
10. Turn on the controller and place into normal operation.
CAUTION: Allow the replacement sensor to warm up for 5 minutes before you continue with the
next step.
11. Calibrate the replacement sensor as described in “Calibration, H
2
S and CO Detectors”
on page 17.
Replacing the Charcoal Filter
1. Turn off the controller.
2. Turn off or unplug power to the controller.
3. Unscrew the detector housing cap from the detector housing body.
4. Unplug and remove the CO sensor with the boot and charcoal filter attached.
5. Remove the rubber boot that secures the charcoal filter to the CO sensor.
6. Remove the charcoal filter from the rubber boot.
7. Place the replacement filter in the rubber boot in the same position as the filter you
removed in the previous step.
8. Reinstall the rubber boot with charcoal filter to the CO sensor.
9. Carefully plug the replacement sensor into the four-socket pattern that is located in
the detector housing.
10. Make sure the cap gasket is in place and screw the detector housing cap back onto the
detector housing body.
11. Turn on or plug in power to the controller.
12. Turn on the controller and place into normal operation.
Replacing the CO Detector
NOTE: In most cases, it is only necessary to replace the CO sensor.
1. Turn off the controller.
2. Turn off or unplug power to the controller.
3. Remove the junction box cover from the junction box.
4. Disconnect the detector leads from the terminal block in the junction box. Note the
position of the color-coded leads as you remove them.