haier AB422BCBAA - Manual (Page 31)

Installation procedure
Install indoor unit
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The wiring method of the connection of the unit
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Connect the unit
Remove the electric box cover (1), draw the wire in the rubber lining, use wire
clamp A to clamp it together with other wires, and connect the wire of the
relative polarity to the inner power terminal block.
After proper connection, press the wire clamp A tight.
Bind the seal cushion on the wire. (it must be bound tight to avoid dew-forming)
After proper connection, reinstall the electric box cover (1).
This part must be sealed to prevent water from entering
Seal cushion (little size) bind the wire
(inside) (outside)
Attached with seal cushion
Power terminal block
Wire clamp A
Electric box cover (1)
Grounding wire end
Power terminal block
29
Wiring on site
Instruction: Use seal cushion to bind
tight not leaving any gap Rubber lining
Rubber lining