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Installation procedure
Note:
All the wires should be copper core wires.
The power cable of indoor unit should be equipped according to the operation manua of indoor unit.
Before finishing vacuumizing the refrigerant pipe system, do not supply power to indoor unit.
When connecting the indoor & outdoor wire, check the number of the indoor & outdoor terminals,
the terminals with the same number connected together with one wire.
Incorrect wiring will damage the controller of the air conditioner or make the unit work abnormally.
The air conditioner must use special power circuit and special air switch (40A), groundign wire. The
wiring work should be done by a qualified electrician according to the national wiring rule.
The creepage breaker must be installed. The grounding line and the neutral line of the receptacle
must be strictly separated. It is incorrect to connect the neutral line with the grounding line.
The connection type of power cord is Y connection. If the soft power cord is damaged, to avoid
risk, it must be replaced by the manufacturer or their specific repair department or similar professional
worker.
Wiring method
1.The wiring method of orbicular terminal
For the connection wire which end is orbicularterminal,
its wiring method is as the right figure shown.
Dismantle the screw and put it through the ring at the end
of the connection wire, then connect it to the terminal block
and tighten the screw.
2.The wiring method of straight terminal For those
connection wires whose end are not orbicular terminals,
their wiring method is: Loosen the connecting screw,
insert the end of the wire directly into the terminal block,
and then tighten screw. Pull the wire outwards slightly
to confirm it is held tightly.
3.Pressing method of connection wire:
After wiring, the connection wire must be pressed with
wire holding clamp. The wire holding clamp should press
on the out cover of the connection wire. As the right
figure shown:
Connect wire between indoor & outdoor unit
As the wiring diagram show to arrange the connection
wire.
Note: The terminal block's mark at the two ends of the
connection wire should be corresponding one by one,
otherwise the air conditioner cannot work normally.
Selection of size of power supply and interconnecting wires.
Item
Phase Switch breaker
Model
HPU-90CA03T3
3
All manuals and user guides at all-guides.com
Circuit breaker
Overcurrent protector
(A)
rated capacity (A)
30
40
26
Electric wiring
The wiring method of orbicular terminal
Correct pressing
Terminal block
Wire holding clamp
(Sketch map)
Terminal block of
indoor unit
Y/G
1
2
3
L1 L2 L3 N
Y/G
2
3
1
Terminal block of
outdoor unit
The power cable and connecting cable are self-
provided. The power cable shoule be 5x6.0mm
the connecting cable should be 4x1.0mm
Earth leakage breaker
Power source
wire size
Switch
(minimum)
breaker
6.0mm
40
2
Wrong pressing
Power supply:
380-400V~,3N,50Hz
Terminal block of
outdoor unit
;
2
.
2
Leak
current
30mA
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