DC Inverter Multi VRF System User Manual
1
1 Safety Precautions
Forbidden item! Improper operation might lead to personal injury or even death.
Item needs to be followed. Improper operation might lead to personal injury or property damage.
Please install the unit
according to instructions in
this manual. Read this
manual carefully before
starting up or checking the
machine.
Installation should be
performed by distributor or
qualified technicians. Do not
install the product by yourself.
Improper installation may
result in water leakage,
electric shock or fire hazard.
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.
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.
When installing, specialized
parts and accessories must
be used. Otherwise, it may
result in water leakage,
electric shock or fire hazard.
R410A refrigerant can
produce poisonous gas once
it meets fire, so please
ventilate the room
immediately if refrigerant
leaks out during installation.
Diameter of power cord must
be large enough. Damaged
power cord or connecting wire
must be replaced by
specialized electric cable.
After the power cord is
connected, please install the
cover of electric box to avoid
danger
Nitrogen must be charged
according to technical
requirements.
Short circuit is forbidden. Do
not cancel the pressure
switch, otherwise unit may be
damaged.
For units with wired
controllers, do not connect
power supply until the wired
controller is well installed.
Otherwise, the wired
controller cannot be used.
When installation is finished,
please check and make sure
the drain pipe, pipeline and
electric wire are all well
connected so as to avoid
water leakage, refrigerant
leakage, electric shock and
fire hazard.
Do not extend fingers or
objects into air outlet or return
air grille.
If you use gas heater or
petroleum heater in the same
room, please open the door or
window to maintain good air
circulation, otherwise the
room may be lack of oxygen.
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