Step 9. Locate the single line mark on the detector and line it up with one of the hook of the bracket. After both
hooks fits in the two mounting holes on the detector, rotate the detector as shown in the picture on the
right to lock it in onto the bracket. The installation is now complete.
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By pressing the Test button on the Smoke Detector, you can test if the Smoke Detector is functioning normally.
zIf the Smoke Detector functions normally, the Red LED will be on for 2 seconds followed by a 2-tone beep.
zIf the buzzer sounds 2-tone beeps 3 times, the “Optical Chamber” on the Smoke Detector is either dirty or
out-of-order.
zIf the Red LED doesn’t light and no beep is sounded, it means the Smoke Detector is out-of-order.
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zAfter installation, the Smoke Detector will automatically transmit Supervisory Signals every 30 to 50 minutes.
zIf the Control Panel has not received the signal from the Smoke Detector for a preset period of time, the
Control Panel will indicate that the Smoke Detector is out-of-signal range or is out of order.
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zOnce the concentration of the smoke exceeds the set threshold value, the Smoke Detector lights up its Red
LED to indicate it is sending the Smoke Alarm signal to the Control Panel. After the transmission is
completed, the Smoke Detector then activates its buzzer with the Red LED flashing rapidly for 10 seconds
for local warning.
zAfter this 10-second local warning period, the Smoke Detector proceeds to perform a follow-up smoke check.
If the smoke concentration is found to be alarming still, the Smoke Detector will repeat another 10 seconds
of local warning with buzzer and rapid flashing Red LED.
zThe Smoke Detector will repeatedly perform follow-up checks until the smoke concentration is lower than the
set value, then the alarm will be stopped automatically or the alarm can be stopped manually by using the
“Alarm Silence” function.
zOnce a Smoke Alarm Signal has been transmitted, the Smoke Detector will continue to send alarm signals
every 2 minutes when the smoke concentration continues to be higher than allowed. This 2-minute cycle will
be repeated until the smoke concentration is lower than the set value, then the alarm will be stopped
automatically or the alarm can be stopped manually by using the “Alarm Silence” function.
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zOnce the alarm is sounding, pressing the Test button will put the Smoke Detector into Alarm Silence mode
for 10 min. and the alarm will be stopped.
zDuring this 10-min. Alarm Silence period, the Red LED will flash once per second.
zAfter this 10-min. period is over, the Smoke Detector will sound a 2-tone beep and then returns to normal
operation mode. If the Smoke concentration is still over the set threshold value, the Smoke Detector will
sound the alarm again.
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As the operation condition of the smoke detector may vary after being installed for some time, you may wish to
recalibrate the smoke detector to take a new smoke detection threshold value and ensure optimal performance of
the smoke detector. To do this,
zPress 10 seconds on the TEST button and hold until the Red LED starts to flash. The Smoke Detector will
sound 2 short beeps then follow the process described in calibration process to take the new reference
value.
zEvery time the battery is removed and reinserted, the Smoke Detector will also take the new threshold value
following the warming and calibration process.
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zAfter first installation, Smoke Detector will perform auto-calibration after 4 hours. Afterwards it will perform
auto-calibration once every month. During the auto-calibration process, Smoke Detector will not emit any
sound. Each calibration sampling process takes 40 seconds. If the process fails, it will retry. The Smoke
Detector will sample for a maximum of 5 times (including the initial auto-calibration). If the last retry fails, the
Yellow LED will start to flash once every 5 seconds and the Smoke Detector will send calibration failure code
to the control panel. The Yellow LED flashing can be cancelled by removing and reloading the battery, or by
manually starting the calibration process. However if the manual calibration fails again, Smoke Detector will
emit continuous beeps and the Red LED will also flash continuously. In this case you need to remove and
reload the battery to stop the beeping sound (please wait for 30 seconds after removing batteries before
reloading them.)
