Arton ARTON-DL Benutzerhandbuch - Seite 6
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Seite drucken7.3.4 Energize the loop. The standby mode will be set in 10 sec. The left indicator
on Rx shall pulse every second with low brightness.
7.3.5 Place the 1 dB optical attenuator for at least 15 sec in the in immediate
proximity (not greater than 2 cm) to the optical system window of the receiver so that the
optical axe of Rx lens mates the attenuator's center. The detector shall remain in the
standby mode.
7.3.6 Remove the 1 dB optical attenuator and in the same way set the 2 dB optical
attenuator. The detector will go to the pre‐alarm mode, with both indicators flashing on
the receiver once every 1 sec 5 times. The brightness of the left indicators flashes will be
lower than those of the right one. After that the detector will go to the fire mode.
7.3.7 Deenergize the loop for at least 5 sec.
7.3.8 Energize the loop. The standby mode shall be set in 10 s.
7.3.9 When the infrared beam is totally obscured between the receiver and
transmitter for at least 5 sec, the detector will remain in the standby mode. If the
obscuration of infrared beam remains for more than 5 sec but less than 15 sec, the
detector in 5 sec will go to the fault mode for (51) sec and issue the FAULT message to
the loop and again will go to the standby mode. If the obscuration of infrared beam
remains for more than 15 sec, the detector issues the FIRE message in the loop.
Detector should be checked for proper operation at least once every 6 months in
accordance with p.7.3. When the CALIBRATION button switch on Rx is switched over, the
detector should be in standby mode. If the mode of indicators changes calibration should
be made according to p.7.2.
9.1 The detector is warranted by the manufacturer for 18 months upon the date of
the detector's commissioning but not longer than for 30 months from the date of approval
by the quality control department of the manufacturer.
9.2 The manufacturer repairs or replaces detectors within the guarantee term
provided that the rules of installation, timely maintenance, transportation and storage of
detectors have been kept.
9.3 In the case that faults according to the reclamation have been removed the
guarantee term is prolonged for the while detectors were not in use because of faults.
8 MAINTENANCE
9 WARRANTY