haier AU282XHERA - Manual (Page 16)

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3. Wiring method of outdoor unit:
Loosen wire cover and connect the power line and communication wire of indoor unit to the
terminal correspondingly.
Note:
When connecting power line to power supply terminal, please pay attention to the following items:
Do not connect the power line with different dimensions to the same connection wire end.
Improper contact will cause heat generation.
Do not connect the power line with different dimensions to the same grounding wire end.
Improper contact will affect protection.
Keep a proper distance between the communication wire and the power line. Otherwise, abnormal
communication will occur because of disturbance. And also, the communication wires should be
shielded wire, and the shield cover should be grounded on the outdoor unit.
Do not connect the power line to the connecting end of communication wire.
Incorrect connection will cause damage to the connected unit.
4. Wiring method of indoor unit
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.
Wiring work
Power line
Remove the repair board of the outdoor unit and loosen the wire cover A,then put the live wire, neutral
wire and grounding wire through the wire cover ,and connect them to terminal block correspon
dingly. After connection, fasten wire cover to its previous state.
Communication wire of indoor unit.
Loosen wire cover , put the communication wire through the wire cover B, and connect them to
terminal block correspondingly. After connection, fasten wire cover B to its previous state.
Note: Power line and communication wire are provided by consumers themselves.
Terminal block
Cord anchorage A
Cord anchorage B
Valve cover