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7 Operation
Maschinenfabrik Reinhausen GmbH 2021
87
8209941/00 EN
ECOTAP
®
VPD
®
III 30D-24 / MD&C
7. Press
to save the setting.
7.4.8.3 Entering password (C2)
If you have activated the password protection function, you must enter the
password to unblock the device and to be able to call up the parameteriza-
tion menu. To do so, proceed as follows:
ü
The AVR MANUAL operating mode is active.
1. Press
.
ð
2. Press
or
to select the desired value. Alternative: Press
+
or
+
to set the value in larger steps.
3. Press
to confirm the selection.
ð
The device is unblocked.
7.4.9 Adjustment (F1)
Automatic adjustment is necessary, for example, if a new control unit is con-
nected to a tap changer. If the control unit is not yet adjusted to the tap
changer, message
E4
appears on the display.
7.4.9.1 Automatic adjustment (F1.1)
This function starts the automatic adjustment of the on-load tap-changer.
The entire regulating range of the on-load tap-changer is passed through un-
til the signals of the respective micro-switch for recording the end position
are detected. In conclusion, the position display is synchronized with the po-
sition of the tap changer and the parameters Number of the operating posi-
tions (P7), Lowest operating position (P8.1) and Highest operating position
(P8.2) are set.
Only carry out automatic adjustment with an open busbar on the low-voltage
side since the on-load tap-changer moves through the entire regulating
range and this can result in excessive voltage deviations for loads.
To start the automatic adjustment, proceed as follows:
ü
The AVR MANUAL operating mode is active.
1. Press
>
until the desired function is displayed.
ð
2. Press
to confirm the selection.
Содержание ECOTAP VPD 3 30D-24
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