Wiring Diagram; Address Setup - Toshiba MMU-AP0071MH Installation Manual

6
ELECTRIC WORK
Remote controller wiring
• Strip approximately 14 mm of insulation off of the connecting wires.
• As the remote controller wire has no polarity, there is no problem if connections to indoor unit terminal blocks A
and B are reversed.

Wiring diagram

Wiring between indoor and outdoor units
Outdoor power supply
Earth
Indoor unit
Earth
Indoor power supply
220-240V, 1N ~5Hz
220V, 1N ~60Hz
Earth leakage
breaker
Power switch

Address setup

Set up the addresses as per the Installation Manual
supplied with the outdoor unit.
Wiring on the ceiling panel
As per the Installation Manual of the ceiling panel,
connect the connector (2P: Red) of the ceiling panel to
the connector (5P: White) onto the P.C. board within
the electric parts box.
Terminal block for remote controller
wiring of indoor unit
A
B
Remote controller wire (Field supply)
Header outdoor unit
U1 U1 U3 U4 U5 U6
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit
Earth
L N U1 U2 A B
A B
Remote
controller
Pull box
Terminal block
A
B
Outdoor power supply
Follower outdoor unit
U1 U1 U3 U4 U5 U6
Earth
Control wiring between outdoor units
Indoor unit
Earth
L N U1 U2 A B
A B
Remote
controller
Pull box
Cord Clamp
17
Remote
controller unit
A outdoor unit that is
inter-connected to the
indoor units automatically
becomes the header unit.
Connection of shield wire closed terminal
Indoor unit
Earth
L N U1 U2 A B
A B
Remote controller
[Group control]
Pull box
5P connector (White)
Wire from ceiling panel
NOTE
L N U1 U2 A B