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UF trimmer is a single potentiometer turn.
The adjustment range is:
- DIP switch on 50 Hz position, range 42÷50 Hz
- DIP switch on 60 Hz position, range 52÷60 Hz
CONNECTING AN EXTERNAL POTENTIOMETER (5 kOhm)
Remote voltages adjustment:
put the DIP switch “Ext pot” in ON position and “Ext voltage” in OFF position (they are in the group
2 of DIP switches). Connect the external potentiometer (5kOhm, ½W) to the free terminals “EXT
POT”.
The external potentiometer can only reduce the original set point of the AVR.
To increase the voltage setting it is necessary to turn the external potentiometer completely
anticlockwise (min. resistance) and than to adjust the max limit with “V” potentiometer.
CONNECTING AN EXTERNAL VOLTAGE (0-10 Vdc) FOR PARALLEL DEVICE
Remote voltage adjustment:
put the DIP switch “Ext voltage” in ON position and “Ext pot” in OFF position (they are in the group
2 of DIP switches). Connect the minus voltage (-) to the free terminal “EXT” and the plus voltage (+)
to the free terminal “POT”. Connect half voltage range (5 Vdc) on “EXT” “POT” input. With V trimmer
adjust alternator voltage to nominal value for that range.
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