Address setup
Set up the addresses as per the Installation Manual supplied with the outdoor unit.
Wiring example
Wired remote controller wiring
• As the wired remote controller wire has non-polarity, there is no problem if connections to indoor unit
terminal blocks A and B are reversed.
Wiring diagram
Wired remote controller wire
(Procured locally)
Terminal block for
remote controller
wiring of indoor unit
Wired remote
controller unit
Terminal block
A B
A B
A B
U1 U2
L1 L2
U1U2
L1 L2
U1 U2
L1 L2
U1 U2
L1 L2
U1 U2 U3 U4 U5 U6
L1 L2 L3 N
U1 U2 U3 U4 U5 U6
L1 L2 L3 N
Outdoor Power supply
Outdoor Power supply
Circuit breaker
Follower outdoor unit
Circuit breaker
Header outdoor unit
Ground
terminal
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Ground
terminal
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Ground
Ground
Ground
Ground
A B
A B
A B
A B
Disconnect
switch per
NEC
Disconnect
switch per
NEC
Remote control
Disconnect
switch per
NEC
Remote control
Disconnect
switch per
NEC
Remote control
Indoor
power
supply
Circuit
breaker
208 /
230-1-60
Group control
NOTE
An outdoor unit connected with control wiring between indoor and outdoor units wire becomes
automatically the header unit.
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