Toshiba MMK-UP0271HP-E Installation Manual page 21

Wired remote controller wiring
This wiring is not required when using the supplied wireless remote controller.
For wiring remote controllers a 2 core non polarity wire must be used.
Wired remote controller wiring, remote controller inter-unit wiring
Total wire length of wired remote controller wiring and remote
controller inter-unit wiring = L + L1 + L2 + ... Ln
Total wire length of wired remote controller inter-unit wiring = L1 + L2 + ... Ln
The remote controller wire (Communication line) and AC 208-240V 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
For its details, refer to the "Communication line" in 9 Electrical connection.
Indoor unit
Remote
L
controller
wiring
Remote
controller
Max. number of connectable indoor units, and communication type
Outdoor unit
Indoor unit
Remote controller
Communication type
Max. number of connectable unit
: Other than U series
CAUTION
Indoor unit
L1 L2
Remote controller inter-unit wiring
U series U series U series U series
U series U series
U series
TU2C-Link
16
– 20 –
Wire size: 0.5 mm² to 2.0 mm²
In case of wired type only
In case of wireless type included
Indoor unit Indoor unit
Ln
For number of max. connectable units,
refer to the following table.
Unit type
U series U series
U series U series
TCC-Link
8
Installation Manual
Up to 500 m
Up to 400 m
Up to 200 m
.
U series
20-EN