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33-EN 34-EN
■ Specifi cations for control wiring
U1 U2
U3 U4
W3
W1
W2
U1 U2 A B U1 U2 A B U1 U2 A B U1 U2 A B
AB AB AB
CN81 U1 U2 A B CN81 U1 U2 A B CN81 U1 U2 A B CN81 U1 U2 A B
AB AB AB AB
AB AB AB AB
*1
*2
*3
CN02
CN81
CN02
CN81
CN02
CN81
CN02
CN81
U1
U2
S
U3
U4
U5
U6
S
U1
U2
S
U3
U4
U5
U6
S
Outdoor unit
Header outdoor
Outdoor unit
Follower outdoor
Central remote
device (option)
Indoor unit
Single port FS unit Single port FS unit Single port FS unit Single port FS unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Multi port FS unit (4 port)
Remote control Remote control Remote control
Remote control Remote control Remote control Remote control
W1 Control wiring between indoor and outdoor units (Shield wire)
W2 Control wiring between indoor units (Shield wire)
W3 Control wiring between outdoor units (Shield wire)
*1 When perform a central control, connect a relay connector
between [U1, U2] and [U3, U4] terminals in the header unit.
(At shipment from factory : No connection)
*2 Connection of shield wire must be connected
(Connected to all connecting sections in each Indoor unit)
*3 Group control
■ Power supply specifi cations
Every outdoor unit must have a dedicated power supply.
L
1
L
2
L
1
L
2
Main power circuit
breaker
Disconnect per NEC
and local codes.
◆ Power wiring selection
MCA: Minimum Circuit Amps
MOCP: Maximum Overcurrent Protection (Amps)
Model name
(Standard Model)
Power Supply Voltage Range
MCA
(A)
MOCP
(A)
Nominal
Voltage
Phase and
frequency
Min.
(V)
Max.
(V)
MMY-MAP0726FT2P-UL 208/230 V 1 Ph, 60 Hz 187 253 47 50
MMY-AP1446FT2P-UL 208/230 V 1 Ph, 60 Hz 187 253 47 + 47 50 + 50
NOTE
Be sure to follow the above specifications when plugging in.
Power supply for
outdoor units
Incorrect
1122001201_EN FR.indd 171122001201_EN FR.indd 17 9/2/16 1:30 PM9/2/16 1:30 PM