Pv Array Connections - LG ESS Home 10 Installation Manual

24 Installation

PV Array Connections

You can connect up to three PV arrays directly to the MC4 connectors on this product.
WARNING
Make sure the AC circuit breaker, PV switch and DC circuit breaker of the battery are disconnected
before starting electrical cable connections.
2
CAUTION
y Before connecting PV array, make sure that the open circuit voltage of PV array is less than
1000 V. Otherwise this product could be damaged.
y Do not connect a ground to a PV+ or PV- connector. It may cause electric shock or the product
may permanently be damaged.
NOTE
y PV modules shall have an IEC61730 Application Class A rating or equivalent.
y For DC cables of PV connections, it is recommended to use the lead wire with cross-sectional
2
area 4 mm
y When you connect only one PV array to the PCS, the PV array must be connected to the PV1
(+ and -) connectors.
y When you use all PV1, PV2 and PV3 connectors, use the PV1 connectors for bigger PV array.
PV1 Connection
Connect DC cables of a PV array to PV1 connectors on this product.
2
- 6 mm .
PV array1
PV1+
PV1-