Gree Versati III GRS-CQ4.0Pd/NhG-K Owner's Manual page 7

SPLIT TYPE
Before cleaning please cut
off the power supply.
Otherwise, it may cause
electric shock or damage.
Earthing: the unit must
be earthed reliably ! The
earthing wire should
connect with special device
of buildings.
If not, please ask the
qualified personnel to
install.
Furthermore, don't connect
earth wire to gas pipe,
water pipe, drainage pipe or
any other improper places
which professional does not
recognize.
The power supply must
adopt special circuit with
leakage switch and enough
capacity.
Never insert any foreign
matter into outdoor unit to
avoid damage . And never
insert your hands into the
air outlet of outdoor unit.
3
Air-to-water Heat Pump
User can not change
power cord socket
without prior consent.
Wiring working
must be done by
professionals. Ensure
good earthing and
don't change earthing
mode of unit.
Don't attempt to repair
the unit by yourself.
Improper repair may
cause electric shock
or fire, so you should
contact the service
center to repair.