Hoymiles HY3 Series, User Manual

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6. Electrical Connection
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MANUAL-HY3-EN-V1.00
User Manual
6.6 Battery Connection
Before connecting, make sure:

Use the Battery Connectors from the accessory box.

The battery is compatible with HY3 Series. Please contact local distributor or manufacturer for
approved battery list.

A DC breaker with OCP function is compulsory to be installed between inverter and battery. The battery
may have this switch integrated. If not, an external DC switch of proper ratings should be used.

Make sure the breaker mentioned above is in “ off ” position.
Use the Battery Connectors in the accessory box for battery connections.
Please make sure the connectors are correct, not the PV connectors, as they look similar.
Procedure
Step 1

Assemble battery connectors from the
accessary box.

Make sure the polarity is correct.

The conduct core section: 6mm 2 .
Step 2

Connect the battery connectors to the
inverter.
There should be a “click”
sound, if it is plugged in correctly.

As the battery current is up to 50A, two
pairs of battery connectors with cables
are needed.
NOTICE