6.6.8 Fan priority (running hours)
The priority of the fans A to D rotates automatically from 1
st
to 4
th
priority. This is done automatically, because the running hours of
the fans are detected and are used for the rearranging.
M-Logic setup
If the fan unit is raising a signal that is led to a digital input on the AGC when it is running, the following M-Logic must be
programmed:
When it is not possible to get a running feedback from the fan unit, the internal relay of the AGC must be used to indicate that the
fan is running. If, for example, Relay 57 is the relay for Fan A, the following M-Logic must be programmed:
The running hours can be reset by selecting the fan to reset in parameter 6585.
DESIGNER'S HANDBOOK 4189341275A EN Page 121 of 196
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