Wiring Diagram - Toshiba Carrier MMU-AP0071YHPUL Manuel D'installation

Remote controller wiring
Strip off approx. 0.4" (9 mm) the wire to be connected.

Wiring diagram

Terminal block for
remote controller
wiring of indoor unit
Remote controller wire
(Locally procured)
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.
q Wiring example
Outdoor Power supply
Circuit breaker
Header outdoor unit
Ground Ground
L1 L2 L3 N U1 U2 U3 U4 U5 U6
terminal terminal
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit Indoor unit
Ground Ground
L1 L2 U1U2 A B L1 L2
Disconnect Disconnect
A B
switch per switch per
NEC NEC
Remote control
Indoor
power
supply
208 /
Circuit
230-1-60
breaker
29-EN
Terminal block
Remote
controller
unit
Outdoor Power supply
Circuit breaker
Follower outdoor unit
L1 L2 L3 N U1 U2 U3 U4 U5 U6
Indoor unit Indoor unit
Ground Ground
U1U2 A B L1 L2 U1U2 A B
Disconnect
Disconnect
A B A B
switch per switch per
NEC NEC
Remote control Remote control
Group control
– 15 –
Address setup
Set up the addresses as per the Installation Manual supplied with the outdoor unit.
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.
L1 L2 U1U2 A B
30-EN