Toshiba MML-UP0071BH-E, Installation Manual

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 Remote controller wiring
• 2-core with non-polarity wire is used for the remote controller wiring and group remote controllers wiring.
CAUTION CAUTION
• The remote controller wire (Communication line) and AC 220 V to 240 V wires cannot be parallel to
contact each other and cannot be stored in the same conduits. If doing so, a trouble may be caused on
the control system due to noise or other factor.
• If U series models (TU2C-Link) are combined with models other than U series (TCC-Link), the wiring specifications
and maximum number of connectable indoor units will be changed. Pay attentions to their communication
specifications when carrying out the installation, maintenance, or repair. For its details, refer to the “Communication
line” in
7 Electrical connection .
Max. number of connectable indoor units, and communication type
: 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.
Remote controller wiring, remote controller inter-unit
wiring
Wire size: 0.5 mm² to 2.0 mm²
Total wire length of remote controller wiring and
remote controller inter-unit wiring = L + L1 + L2 + …
Ln
In case of one remote
controller
Up to 500 m
In case of two remote
controller
Up to 400 m
Max. length of each remote control wiring between indoor units = L1, L2, … , Ln Up to 200 m
Unit type
Outdoor unit U series U series U series U series
Indoor unit U series U series U series U series
Remote controller
Remote sensor
U series U series U series U series
Communication type TU2C-Link TCC-Link
Max. number of connectable
units
16 8
L1
L
L2 Ln
Indoor unit
Remote controller inter-unit wiring
Indoor unit Indoor unit Indoor unit
Remote
controller
Remote
controller
wiring
For number of max. connectable units,
refer to the following table.
 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
U1 U2 S U4 U3
Uv Uh
U6 L1 L2 L3 N S U
Uc
5 U1 U2 S U4 U3
Uv Uh
U6 S U
Uc
5
L N
A B
L1 L2 L3 N
L N
A B
L N
A B
L N A B Uv(U1) Uv(U2) A B Uv(U1) Uv(U2) A B Uv(U1) Uv(U2) A B Uv(U1) Uv(U2)
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Circuit breaker,
Power switch
Remote controller
Indoor unit
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Remote controller Remote controller
Indoor unit Indoor unit Indoor unit
Circuit breaker Circuit breaker
Outdoor unit
Header outdoor
Outdoor unit
Follower outdoor
Control wiring between outdoor units (Shield wire)
Control wiring between indoor and outdoor units (Shield wire)
Control wiring between indoor units (Shield wire)
Indoor power supply
220 V - 240 V~, 50 Hz
220 V~, 60 Hz
Earth Earth Earth Earth
Group control
Pull box Pull box Pull box
Earth
terminal
Earth
terminal
S: The ground of a
shielded wire
S: The ground of a shielded wire
27-EN 28-EN