Haier YR-E17 - Communication Wiring Specifications

46
Wired Controller Wiring Instruction
Wiring Connections of Wire Controller
B
A
A
B
B
C
C
Indoor 1
Polar wire
Wire controller
Wire controller
A
A A A A A
A
B B B B B
B
C C C C C
C
Indoor 1 Indoor 2 Indoor N Indoor 15 Indoor 16
(master unit)
Wire controller Wire controller Wire controller Wire controller Wire controller
Wire controller
Control wiring of wire
controller, polar.
A
A A
B
B B
C
C C
Polar wire
Polar wire
Indoor 1
Wire controller Wire controller
Wire controller
C
There are three methods to connect wired controller with the
indoor units
A. One wired controller can control max. up to 16 sets of
indoor units, and 3 pieces of polar wire must connect
the wire controller and the master unit (the indoor unit
connected with wire controller directly), the others connect
with the master unit through 2 pieces of polar wire.
B. One wire controller controls one indoor unit, and the indoor
unit connects with the wire controller through 3 pieces of
polar wire.