High Wall Type
Installation Manual
–18–
EN
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
U1U2
U1U2U3U4L1 L2L3 N U5U6
L1L2 A BU1U2L1L2 A B U1U2L1L2 A B U1U2L1L2 A B
A B
U1U2U3U4L1 L2L3 N U5U6
A B A B
Outdoor Power supply
Ground
terminal
Ground
terminal
Outdoor Power supply
Circuit breaker Circuit breaker
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 Indoor unit Indoor unit Indoor unit
Ground Ground Ground Ground
Remote
control
Remote
control
Remote
control
Indoor
power
supply
Circuit
breaker
208/230-3-60 208/230-3-60
208/230-
1-60
Disconnect
switch per NEC
Disconnect
switch per
NEC
Disconnect
switch per
NEC
Disconnect
switch per
NEC
18-EN
+001111053901_00Ta.book Page 18 Monday, January 17, 2011 11:35 AM
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