LG Chem RESU7H StorEdge, RESU10H StorEdge Installation Manual

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StorEdge™ Inverter Wiring Guide & On Site Checklist for Europe, APAC, South Africa

This document is a battery wiring guide and contains an on-site checklist with steps for post-installation verification of a StorEdge system for the following batteries:



LG Chem RESU7H/RESU10H

For more details, please refer to the StorEdge Installation Guide supplied with the StorEdge Inverter. For additional assistance contact SolarEdge Support (see page 8).

Wiring Guide

WARNING!

For LG Chem RESU7H/RESU10H batteries:

Before wiring the system, make sure that the battery is powered off, using both of the following switches:
* Auxiliary power supply switch
* Circuit breaker switch

Figure 1: LG Chem Auxiliary Power Switch and Circuit Breaker Switches

StorEdge Inverter Wiring and On Site Checklist

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Wiring Types and Connectors

To connect the battery to the StorEdge Inverter, use the following wiring types and connectors:

Recommended Cable Type (min-max cross section)

SolarEdge Connector

LG Chem RESU7H/RESU10H Battery

Connector

DC: 6 mm2 (2.5-6 mm2), 600V insulated

BAT DC +

DC +

BAT DC -

DC -

Ground

Control and monitoring:
5-wire shielded twisted pair cable, 0.2 mm2 (0.2-1.5 mm2), 600V insulated.

CAT5 600V insulated can also be used.

En (enable)

ENABLE_H

V+

Not connected

B- (RS485)

RS485_L

A+ (RS485)

RS485_H

G (RS485) or Thermal (depending on inverter type)

EN_G

Wiring Diagrams – Connecting Batteries to the StorEdge Inverter

The diagrams on the following pages illustrate the connection of batteries to the StorEdge system. The following table will help you find the appropriate wiring diagram
for your system configuration. Pay attention to whether the battery DIP switch setup on the communication unit main board has 2 or 3 switches.

Battery Type

Connected to

Wiring Diagram

DIP Switches

LG Chem RESU7H/RESU10H

StorEdge Inverter with 2 DIP Switches

See Figure 2 on page 3

StorEdge Inverter with 3 DIP Switches

See Figure 3 on page 3

StorEdge Inverter Wiring and On Site Checklist

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Connecting the LG Chem RESU7H/RESU10H to a StorEdge Inverter with Two DIP Switches and SolarEdge Meter

0.2 mm² 300VG <> G

StorEdge Inverter SolarEdge Modbus Meter

B- <> B- and A+ <> A+ on the same twisted pair

RS485_H <> A+ and RS485_L <> B- on the same twisted pair

ENABLE_H <> En

EN_GND <> Thermal

0.2 mm² 600V

LG Chem Battery

2 DIP

Switches

RS485-terminated

B A G

Figure 2: Connecting the LG Chem RESU7H/RESU10H to a StorEdge Inverter with Two DIP Switches and SolarEdge Meter

Connecting the LG Chem RESU7H/RESU10 H to a StorEdge Inverter with Three DIP Switches and SolarEdge Meter

0.2 mm² 300VG <> G

StorEdge Inverter SolarEdge Modbus Meter

B- <> B- and A+ <> A+ on the same twisted pairRS485_H <> A+ and RS485_L <> B- on the same twisted pair

ENABLE_H <> En

EN_GND <> G

0.2 mm² 600V

LG Chem Battery

3 DIP

Switches

RS485-terminated

B A G

Figure 3: Connecting the LG Chem RESU7H/RESU10H to a StorEdge Inverter with Three DIP Switches and SolarEdge Meter