407 reflective beam line-type smoke detector
Installation and Service Manual
11
32-0061-r04_2020-10
© 2019, 2020 Ambest Electronics (Ningbo) Co Ltd. All rights reserved.
All specifications and other information shown were current at the date of publication and subject to change without notice.
illuminates continuously.
3) Immediately remove the magnet. Automatic alignment will commence. The following indications will be
displayed after 10 s.
Adjustment LED off.
Fault LED on continuously.
Received light signal is acceptable.
Adjustment LED on continuously.
Fault LED off.
Received light signal is weak.
4) After 10 s, the following indications will be displayed.
Adjustment LED off.
Fault LED off.
Fire LED flashes
Received light signal is acceptable for the detector to
enter the Quiescent condition.
Fire, Fault, Adjustment LED flash sequentially.
Automatic adjustment has failed.
The detector cannot enter the Quiescent condition.
Repeat the manual alignment steps.
4.2. Alarm Signal Test
To check the operation of the Alarm signal, undertake the following actions.
1) Ensure the detector is in the Quiescent condition for at least 20 s.
2) Place the translucent portion of the obscuration filter over the half of the transceiver lens for 30 s (see
Fig. 15). Check that the red Alarm LED is on and the Alarm relay latches closed (terminals K11 and K12).
3) Remove the obscuration filter from the transceiver lens.
4) Reset the detector by removing power for ≥ 2 s.
4.3. Fault Signal Test
To check the operation of the Fault signal, undertake the following actions.
1) Place the opaque portion of the obscuration filter over the half of the transceiver lens (see Fig. 15).
Check that the yellow Fault LED is on and the Fault relay latches open (terminals K21 and K22) within
10 s.
2) Remove the obscuration filter from the transceiver lens within 15 s. Check that the yellow Fault LED is
off and Fault relay returns to its quiescent position.
3) Place the opaque portion of the obscuration filter over the half of the transceiver lens for 30 s. Check that
the red Alarm LED is on and the Alarm relay latches closed (terminals K12 and K12).
4) Remove the obscuration filter from the transceiver lens.
5) Reset the detector by removing power for at least 2 s.
Fig. 15a – Obscuration filter
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