Order Of Connecting The Unit; System Wiring Diagram - Ingecon Sun 250 M220 Indoor Installation Manual

Ingeteam
cAuTIOn:
As long as the panels are exposed to the light, the Dc cables will carry potentially dangerous voltage
levels.
never handle the connections before disconnecting the inverter from the grid and the PV array.
In order to keep the nuts and bolts of the equipment in a proper condition, it is important while tight-
ening them to make sure there is no dirt or shavings on the threads and to apply a suitable lubricant.

5.4.3. order of connecting the unit

The basic connections to be made with the IngecOn Sun PowerMax units are as follows, in this order:
1. connecting the insulation failure detection switch (optional).
2. communication line (optional).
3. connecting the various grounding connections.
4. connecting the auxiliary supply.
5. connecting the 3-phase inverter system to the power grid.
6. connecting the Dc cables from the PV array.
The following sections describe how to make these connections.

5.4.4. System wiring diagram

The electrical system of IngecOn Sun PowerMax units matches the following diagram (for example, a 500 M220
Indoor model):
48
Terminal strip for communications accessories
Located in the Ac/Dc supply module.
Installation manual
AAV2000IKI01