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Remote controller wiring
Wiring diagram
* Use a 0.5 mm
2
to 2 mm
2
wire.
Address setting
Refer to the Installation Manual of the outdoor unit for address setting.
* When the Air to Air Heat Exchanger with DX Coil Unit system linked with indoor air conditioners is used, set the
Air to Air Heat Exchanger with DX Coil Unit as “Follower”, referring to “Setting the address manually using the
remote controller” in the Installation Manual of the outdoor unit.
Switching between Extra High and High
When switching to Extra High, connect the black lead wire (Extra High) to the connector.
* The Orange lead wire (High) is connected as factory default.
* Connect the black lead wire both to the air supplying motor (white connector) and the air exhausting motor (red
connector).
* Refer to “Connection diagram” for the connection method.
A
B
A
B
Remote controller terminal block
Remote controller unit
Indoor unit remote
controller terminal
block
Remote controller wire
(locally procured)
Air exhaust
(red connector)
Air supply
(white connector)
Wiring between indoor and outdoor units
NOTE
An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically the header
unit.
Wiring example
U1 U2 U3 U4 U5 U6
L1 L2 L3 N
U1 U2 U3 U4
L1 L2 L3 N
U5 U6
U1 U2
L
A
N
B
A
U1 U2
L
A B
A
U1 U2
L
A
N
N
N
B
A B
B
B
U1 U2
L
A B
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Circuit breaker
Circuit breaker
Earth
terminal
Header outdoor unit
Follower outdoor unit
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit
Earth
Earth
terminal
Indoor unit
Earth
Indoor unit
Earth
Indoor unit
Earth
Indoor power supply
220 V - 240 V ~, 50 Hz
220 V ~, 60 Hz
Remote controller
Remote controller
Remote controller
Circuit breaker,
Power switch
Pull box
Pull box
Pull box
Group control
129-EN
130-EN
+00EH99887601-2_01EN.book Page 65 Thursday, September 15, 2016 5:23 PM
