Haier AH1-070B Manual page 27

The wiring for the power line and signal line of connection kit
• Power cable and communication wire must be fixed firmly.
• Each connection kit must be earthed well.
• When power cable exceeds the range, thicken it appropriately.
• Shielded layer of communication wires must be connected together and be earthed at single point.
• Communication wire total length cannot exceed 1000m.
Graphical representation for wiring
Connect the communication terminal block P and Q of the main unit of the outdoor units with the communication
terminal block P and Q of the first connection kit.
1PH,220-240V~
G 12V
G
12V
AH
G 12V
G
12V
25
G 12V
G
12V