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.
19-EN
Unit type
U series U series U series
U series
U series U series
U series
U series
U series
TCC-Link
8
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
S
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
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
– 10 –
Outdoor Power supply
208 / 230 - 3 - 60
460 - 3 - 60
Circuit breaker
Outdoor unit
Follower outdoor
Uv
Uh
Uc
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
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
L1 L2
Uv(U1) Uv(U2)
A B
EN
20-EN