Wiring Example; Wiring Diagram; Address Setup - Toshiba MML-AP0074NH-E Installationshandbuch

Control wiring between indoor and outdoor units
NOTE
An outdoor unit that is interconnected to the indoor units automatically becomes the header unit.

Wiring example

Outdoor Power supply
380V-415V ~, 50Hz
380V ~, 60Hz
Earth L1 L2 L3 N
terminal
Indoor unit
Earth
L N
Indoor power supply
220-240V, ~, 50Hz
220V ~, 60Hz
Earth leakage
Pull box
breaker power
switch
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

Address setup

Set up the addresses as per the Installation Manual supplied with the outdoor unit.
16-EN
Outdoor Power supply
380V-415V ~, 50Hz
380V ~, 60Hz
Earth leakage
breaker
Header outdoor unit
U1 U2 U3 U4 U5 U6 Earth L1 L2 L3 N
terminal
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit
Earth
U1 U2 A B L N U1 U2
A B
Remote controller Remote controller
Pull box
Terminal block for
remote controller
wiring of indoor unit
A
B
Wired remote controller wire
(Procured locally)
Earth leakage
breaker
Follower outdoor unit
U1 U2 U3 U4 U5 U6
Indoor unit
Earth
A B L N U1 U2 A B
A B A B
Remote controller
Pull box
Terminal block
A
Wired rem
B
controller unit
–16–
Installation Manual
Indoor unit
Earth
L N U1 U2 A B
Toshiba 1112750201 (EN)