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SMA SC 100LV-560HE User Manual

Page 34

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Electrical Connection

SMA Solar Technology AG

34

SC125_560HE-IEN083220

Installation Guide

Sunny Central 500HE / Sunny Central 560HE

The power cable connection of the power units in the inverter cabinet to the sine filter choke in the AC
cabinet is to be carried out using the delivered Radox cables (W131 to W139).

According to the provided circuit diagram, one power unit per phase is connected to the sine filter
choke with 3 x 1 x 185 mm². The appropriate connection screws are to be found at the connection
points.

The delivered Radox cables have different lengths for the left-hand and right-hand systems.
With the help of the circuit diagram for the appropriate Sunny Central, attach the cables.

ATTENTION!
Operational reduction of the Sunny Central through faulty connection!

When connecting the power cables, the following connection order has to be observed
(viewed from the front):

1. Screw
2. Washer
3. Cable lug
4. Connection point sine filter or power unit
5. Cable lug
6. Washer
7. Detent edged ring
8. Nut