Carrier TOSHIBA MML-UP0071H-UL Installation Manual page 12

Max. number of connect-able indoor units, and communication type
Outdoor unit U series
Indoor unit U series
Remote control
U series
Remote sensor
Communication type TU2C-Link
Max. number of connect-able
16
units
: Other than U series
REQUIREMENT
After carrying out installation of additional indoor unit, relocation, or repairing, set the addresses again.
For its detail, refer to the Installation Manual attached to the outdoor unit.
21-EN
Unit type
U series U series U series
U series U series U series
U series U series U series
TCC-Link
8
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 Wiring between indoor and outdoor units
NOTE
A wiring diagram below is an example for connection to SMMS-u series. For connecting to other outdoor unit
series, refer to the Installation Manual attached to the outdoor unit to be connected.
▼Wiring example
Outdoor Power supply
208 / 230 - 3 - 60
460 - 3 - 60
Circuit breaker
Outdoor unit
Header outdoor
Uv Uh Uc
L1 L2 L3 N U1 U2 U3 U4 S U 5 U6
Ground
terminal
S: The ground of a
shielded wire
Control wiring between indoor and outdoor units (Shield wire)
Control wiring between indoor units (Shield wire)
Indoor unit Indoor unit
Ground
L1 L2 Uv(U1) Uv(U2) A B
Disconnect
switch per
NEC
Indoor power supply
A B
208 / 230 - 1 - 60
Remote control
Circuit breaker
Outdoor Power supply
208 / 230 - 3 - 60
460 - 3 - 60
Circuit breaker
Outdoor unit
Follower outdoor
Uv Uh Uc
S L1 L2 L3 N U1 U2 U3 U4 S U 5 U6 S
Ground
terminal
S: The ground of a shielded wire
Control wiring between outdoor units (Shield wire)
Indoor unit
Ground Ground
L1 L2 Uv(U1) Uv(U2) A B L1 L2 Uv(U1) Uv(U2) A B
Disconnect Disconnect
switch per switch per
NEC NEC
A B A B
Remote control Remote control
Group control
Indoor unit
Ground
L1 L2 Uv(U1) Uv(U2) A B
22-EN