Safety Precautions - Gree GMV-Q224WM/B-X Owner's Manual

Heat Recovery DC Inverter Multi VRF Unit

1 Safety Precautions

means items that must be forbidden! Otherwise, it may lead to personal injury or death or
serious damage.
means items that must be followed! Otherwise, it may lead to personal injury or property loss.
Please install the unit
according to instructions
in this manual. Read this
manual carefully before
starting up or checking the
machine.
Before installation, please
check the power cord if it
complies with the power
supply requirement on the
nameplate. Make sure the
power supply is safe.
When installing,
specialized parts and
accessories must be
used. Otherwise, it may
result in water leakage,
electric shock or fire
hazard.
Diameter of power cord
must be large enough.
Damaged power cord or
connecting wire must be
replaced by specialized
electric cable.
Nitrogen must be charged
according to technical
requirements.
For units with wired
controllers, do not connect
power supply until the
wired controller is well
installed. Otherwise, the
wired controller cannot be
used.
Do not extend fingers or
objects into air outlet or
the return air grille.
1
Installation should be
performed by distributor or
qualified personnel. Do
not install the product by
yourself. Improper
installation will result in
water leakage, electric
shock or fire hazard.
This air conditioner must
be properly grounded
through the receptacle to
avoid electric shock. The
ground wire shouldn't be
connected with gas pipe,
water pipe, lightning
arrester or telephone line.
R410A refrigerant can
produce poisonous gas
once it meets fire, so
please ventilate the room
immediately if refrigerant
leaks out during
installation.
After the power cord is
connected, please install
the cover of electric box to
avoid danger.
Short circuit is forbidden.
Do not cancel the
pressure switch,
otherwise unit may be
damaged.
When installation is
finished, please check
and make sure the drain
pipe, pipeline and electric
wire are all well connected
to avoid water leakage,
refrigerant leakage,
electric shock and fire
hazard.
If gas heater or petroleum
heater is used in the same
room, please open the
door or window to
maintain good air
circulation, otherwise an
oxygen shortage may
occur,