Haier QACT17A Installation And Operation Manual page 19

Wired Controller Wiring Instruction
Communication Wiring
Communication wiring length (m/ft)
< 100m/328ft
≥100m/328ft and <200m/656ft
≥200m/656ft and <300m/984ft
≥300m/984ft and <400m/1312ft
≥400m/1312ft and <500m/1640ft
*Ground only one end of the shielded cable
Wiring Diagrams
C
B
A
0.3mm x3-core shielded wire
2
(22AWG,3wire)
0.5mm x3-core shielded wire
2
(20AWG,3wire)
0.75mm x3-core shielded
2
wire (18AWG,3wire)
1.25mm x3-core shielded wire
2
(16AWG,3wire)
2mm x3-core shielded wire
2
(14AWG,3wire)
18
Wire Size
red
yellow
white