FCU 500, FCU 505 · Edition 02.17 99
Parameters
FCU Frequency converter
Contact between terminals Signal to Position Fan speed
53 55 DI 2/DI 3 Ignition Minimum/Ignition capacity
53 56 DI 3 0–20 mA Any speed between minimum and maximum capacity
53 54 DI 1/DI 3 Purge Maximum capacity
Manual mode
In Manual mode, the frequency converter can be set
to the speed for maximum air volume or minimum air
volume (pilot air volume). Adjustment by the control
system is not possible. No timeout is active when accel-
erating to these speeds.
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