Hoymiles HY3 Series, User Manual

Page: 18 / 36

6. Electrical Connection
16
MANUAL-HY3-EN-V1.00
User Manual
6.4 Grid Connection
Before connecting, make sure:

Use the Grid Connector from the accessory box.

The grid voltage and frequency is in the permissible range.

External AC breaker must be used for cutting off the inverter from grid when necessary.
The breaker model selection:

25A/400V AC Breaker for HY3-5000HV/6000HV

40A/400V AC Breaker for HY3-8000HV/10000HV
Procedure
Step 1

Assemble the grid connectors from the
accessary box.

Make sure the 3L/N/PE are correctly
assembled.

The conduct core section: 4-6mm 2 .
Step 2

Connect the grid connectors to the
inverter.
There should be a “click”
sound, if it is plugged in correctly.
Step 3

Connect an additional grounding wire
to the ground point.