Toshiba Carrier MMU-UP0071HP-UL Manual De Instalación página 18

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
Terminal block for
remote controller
wiring of indoor unit
Wiring between indoor unit and outdoor units

NOTE
An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically
the header unit.
Wiring example
Outdoor Power supply
Circuit breaker
Header outdoor
unit
Ground
terminal
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit Indoor unit
Ground Ground
Disconnect Disconnect
switch per switch per
NEC NEC
Remote control
Indoor
power
supply
Circuit
208 /
breaker
230-1-60
33-EN
Terminal block
Wired remote
controller unit
Wired remote controller wire
(Procured locally)
Outdoor Power supply
Circuit breaker
Follower outdoor
unit
Ground
terminal
Control wiring between outdoor units
Indoor unit Indoor unit
Ground
Disconnect Disconnect
switch per
switch per
NEC NEC
Remote control Remote control
Group control
– 17 –
Wiring for flow selector unit (sold separately)

Connect control wiring and power supply following figure when installing a separately sold Super Heat Recovery
Multi System.
Faston connection
Ground screw
Ground screw
Power supply
Wiring on the ceiling panel

According to the Installation Manual of the ceiling panel, connect the connector (20P: White) of the ceiling panel to
the connector (CN510: White) on P.C. Board of the electrical control box.
Indoor P.C. Board
(L1), (L2) terminal block
for power supply
CN81 (BLK)
Clamp with remote controller lead wires
Attached wire (Control wiring)
Attached wire (Power supply)
34-EN