Operation
7.4 Automatic mode - programming of the electronic module (3KC8 only)
136 Manual, 08/2017, L1V30368969104A-02
Step 3: Automatic configuration of the transfer switching equipment (only with
potentiometer Un = 0)
You only have to carry out this step if you set the potentiometer Un to the "0" position in
2: Setting the potentiometer (Page 134).
The 3KC8 transfer switching equipment has an auto-configuration function for detecting and
configuring the rated values for voltage and frequency, the phase sequence, and the position
of the neutral conductor.
● The connections have been checked.
● The product is ready for commissioning
● Availability of the main source is required, optimally both sources are available
1. Press the "OK-Prog" button ④ for at least 2 s to measure the rated values for voltage,
frequency, the phase sequence and the position of the neutral conductor.
LED availability of source I
LED availability of source II
"Ready" LED
"OK-Prog" pushbutton
Figure 7-20 Automatic configuration
LED ① or ② for source availability flashes during measurement of the rated values.
The "Ready" LED
③ flashes green if the parameters have been changed but not yet
saved.