Introduction; Operation Modes Introduction; Safety & Warning - LG LGES-5048 User Manual

01

INTRODUCTION

LGES-5048 is a hybrid or bidirectional solar inverter, applicable to solar systems connected to the
utility grid and LG Energy Solution RESU 48V batteries.
The energy produced by the PV system is used to power household loads, charge the battery,
and export excess energy to the utility grid. When household loads exceed PV production, the
battery is discharged to support the loads and minimize utility grid import.
With the optional addition of remote control, such as Virtual Power Plant (VPP) participation, the
inverter and battery combination can further optimise energy usage according to price signals.
Note:
The introduction describes a general working situation of
the LGES system. The operation mode can be adjusted on
LGES PV Master App up to the system layout. The general
01
operation modes are as below:

1.1 Operation Modes Introduction

LGES system normally has the following operation modes based on your configuration and layout.
Mode Ⅰ
The energy produced by the PV system is used to
optimise self-consumption. The excess energy is used to
recharge the batteries, the rest is exported to grid.
Mode Ⅲ
When grid fails, the system automatically switches to
Back-Up mode. The Back-Up load can be supported by
PV and battery.
Mode Ⅱ
When there is no PV, and the battery is sufficient, it can
supply the load together with grid power.
Mode Ⅳ
Battery could be charged by grid, and charge time/power
could be set on LGES PV Master or remotely controlled.
1.2 Safety & Warning
LGES-5048 from LG Energy Solution Ltd strictly complies with related safety rules for product
design and testing. Please read and follow all the instructions and cautions on the inverter or
user manual during installation, operation or maintenance. Improper operation might cause
personal or property damage.
Symbols Explanation
Caution!
Failure to observe a warning indicated in this manual may result in injury.
Danger of high voltage and electric shock!
Danger of hot surface!
Components of the product can be recycled.
This side up! The package must always be transported, handled and stored in
such a way as the arrows always point upwards.
No more than six (6) identical packages being stacked on each other.
Products should not be disposed as household waste.
Fragile - The package/product should be handled carefully and never be
tipped over or slung.
Refer to the operating instructions.
Keep dry! The package/product must be protected from excessive humidity and
must be stored under cover.
This symbol indicates that you should wait at least 5mins after disconnecting the
inverter from the utility grid and from the PV panel before touching any inner live
parts.
5min
CE mark
02