Azbil AUR355, User Manual

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Chapter 4. How This Device Operates
„
Instantaneous power outage / voltage drop during operation
If an instantaneous power outage or voltage drop occurs while this device is
operating, the subsequent operation is as follows.
Instantaneous
power outage Shorter than
90 ms Operation continues.
90 ms or
longer Operation continues or restarts from stop, or
restarts after power-OFF
Instantaneous
voltage drop (drop
in power of 50 %) Shorter than
100 ms Operation continues.
100 ms or
longer Operation continues or flame failure occurs due to
voltage drop in the flame detector*
* Because the voltage to the fuel valve also drops, the fuel supply may decrease, causing
flame failure.
„ Playback monitor / flame logger
The playback monitor and flame logger functions facilitate maintenance of
equipment. For details, refer to Flame Monitor Model AUR355 User’s Manual
for Communication Functions, No. CP-SP-1453E.