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Installation of the outdoor unit
Note:
The air conditioner must use special circuit, and wiring by the qualified electrician according to
the wiring rules specified in national standard.
The grounding wire and the neutral wire shall be strictly separated. Connect the neutral wire with
grounding wire is incorrect.
The electric leakage breaker must be installed.
All the electric wire must be copper wire. When wiring, there shall keep a proper distance
between the power line and communication wire to avoid twist together. Otherwise, signal
disturbance will occur, and the air conditioner can not operate normally.
Power supply: 380-400V,3N~, 50Hz.
The wiring method of power line is Y connection. If the power line is damaged,in order to avoid
risk of electric shock, it must be replaced by the manufacturer or its repair center or other similar
qualified person.
Specification of wire and short circuit protector in site wiring:
Type
Contents
Parameter
N=2 Number Of Indoor Unit.
Note:The signal wire must be shielded .
Wiring method
1. Wiring method of orbicular terminals
For the connection wire with orbicular terminals, its wiring
method is as shown in the right figure: remove the connecting
screw, put the screw through the ring on the end of the
wire, then connect to the terminal block and fasten screw.
2. Wiring method of straight terminals
For the connection wire without orbicular terminals,
its wiring method is: loosen the connection
screw, and insert the end of the connection wire
completely into the Termina l block, then
fasten the screw. Slightly pull the wire
outwards to confirm it is firmly held
3. Crimp connection method for wires without terminals
Connect the wire of the
same diameter to the two
sides of wire ends.
Crimp connection method for connection wire
After connection, the wire must be fastened by wire cover. The wire cover shall press on the
protection coat of the connection wire,as shown in right top figure.
Note: When connecting the wiring,confirm the terminal number of indoor and outdoor units
carefully. Incorrect wiring will damage the controller of air conditioner or the unit can not operate.
Overcurrent
Power line
protector
2
5 6.0mm
x
21A
Do not connect the wire of
the same diameter to the
same side of the wire end.
Short circuit
Connection signal wire
protector
60A
Nx(0.75~1.25mm )
Correct pressing
Do not connect the wires of
different diameter together.
21
Electric wiring
2
The wiring method
of orbicular terminal
Wrong pressing
Terminal block
Wire holding clamp
(Sketch map)
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