4
Getting Started
action is taken.
If the battery SOC is low the battery may charge from the grid for self-protection. (Emergency
Charging) This function is to prevent shutdown of the ESS, deep discharge and failure of the
Battery. An Emergency Charge is not an ESS fault.
1
If the battery SoC is too low during the backup operation of a power outage, the PCS will only
charge the battery from Solar PV. It means no power is supplied to the home load.
Emergency Charging(backup) will charge the battery up to the backup SoC level that you set
(30% by default). Emergency Charging(backup) is not an ESS fault.
Install the PCS where the noise from the PCS will not inconvenience the neighbors. Failure to do
Indicates a risk of possible damage to the product.
Before making connections, please make sure the PV array open circuit voltage is within 1000 V.
Otherwise the product could be damaged.
Do not store on or place against any objects to the product. It may cause serious defects or
malfunction.
Before making a connection, make sure the PV switch on this product is switched off.
This unit is designed to feed power to the public grid only. Do not connect this unit to an AC
source or generator. Connecting the product to external devices could result in serious damage to
your equipment.
Serving of batteries should be performed or supervised by LG service person or trained installer.
The battery does not discharged when the load is under the certain level.
This product can cause current with a DC component. Where a Residual Current-operated
protective (RCD) or monitoring (RCM) device is used for protection in case of direct or indirect
contact, only an RCD or RCM of Type A (or type B) is allowed on the supply side of this product.
This product is designed to be installed indoor use only. Do not install this product outdoor.
This document is for your reference only. Read the installation manual on the website below.
Please check the following website for warranty policy.
https://www.lg.com/global/business/ess/business-resources/download