LG LGES-5048 User Manual page 6

Safety Warnings
Installation and operation of the inverter must be performed by qualified electricians, in compliance
with all local standards, wiring rules and requirements of local grid authorities, e.g. AS 4777 and
AS/NZS 3000 in Australia.
Before any wiring connection or electrical operation on inverter, all battery and AC power must be
disconnected from inverter for at least 5 minutes to make sure inverter is totally isolated to avoid
electric shock.
The temperature of inverter surface might exceed 60℃ during operation, so please make sure it
has cooled down before touching it, and make sure the inverter is out of reach of children.
Do not open the inverter's cover or change any components without manufacturer's authorization,
otherwise the warranty commitment for the inverter will be invalid.
Usage and operation of the inverter must follow instructions in this user manual, otherwise the
protection design might be impared and warranty commitment for the inverter will be invalid.
Appropriate methods must be adopted to protect inverter from static damage. Any damage caused
by static is not warranted by manufacturer.
PV negative (PV-) and battery negative (BAT-) on inverter side is not grounded as default design.
Connecting PV- to EARTH is strictly forbidden.
PV modules used on the inverter must have an IEC61730 class A rating, and the total open-circuit
voltage of PV string/array is lower than the maximum rated DC input voltage of the inverter. Any
damage caused by PV over-voltage is beyond warranty.
The inverter, with built-in RCMU, will exclude possibility of DC residual current to 6mA, thus in the
system an external RCD (type A) can be used(≥30mA).
In Australia, the inverter internal switching does not maintain neutral integrity, which must be
addressed by external connection arrangements like in the system connection diagram for Australia
on page 17
In Australia, output of back-up side in switchbox should be labeled on "Main Switch UPS Supply".
The output of normal load side in switch box should be labeled "Main Switch Inverter Supply".
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