11 P/N 466-5307
• REV A • ISS 15MAR17 ©2017 United Technologies
Corporation
2. Make sure the GREEN LED is flashing for normal operation (one GREEN LED
blink every 60 seconds).
3. Set the control panel to sensor test mode
4. To expedite testing, by-pass the CO accumulator circuit by placing the detector in
“System Test Mode”. Start System Test mode by placing magnet next to reed
switch (Figure 4) and hold it for four seconds until unit chirps twice and the RED
LED begins blinking rapidly.
5. Remove the magnet away from the reed switch.
6. Within 10 second after the magnet is removed press and release Test Button then
within 2 seconds:
7. Press and hold the Test/Hush button until the unit beeps three times
(approximately 8 seconds), and then release the button. The unit will enter the
functional CO Gas test mode within 5 seconds. The GREEN LED will blink
periodically (1 second rate) indicating that the alarm is in functional test mode.
8. Apply UL approved CO test agent to the testing port (Figure 5). When CO is
detected, the unit will activate a CO alarm.
Figure 5
9. To exit functional gas test mode:
a. Press and release the Test button or wait for a two minute timeout.
b. The alarm will reset and then return to normal operating mode.
10. At the control panel, exit sensor test mode.
SMOKE/CO DETECTOR MEMORY
If a detector experiences a smoke or CO alarm event, and then stops alarming, the unit
will give a visual (LED) indicator that a previous alarm has occurred within the last hour.
See the Detector Visual and Audible Indicators table.
