Toshiba RAV-HM561UT-E Installation Manual page 16

 Communication type
TU2C-Link can be used with these models.
If the indoor unit and the connected remote controller / remote sensor are all TU2C-Link models, TU2C-Link
communication will be performed automatically.
For details of communication type, refer to the following table.
Communication type and model names
Communication
TU2C-Link
type
Indoor unit RAV-HM series model
RBC-A U
Wired remote
controller
This letter indicates U series model.
RBC-AXU
Wireless remote
controller kit &
This letter indicates U series model.
receiver unit
TCB-TC U
Remote sensor
This letter indicates U series model.
CAUTION CAUTION
In the following cases, change the communication type to TCC-Link with the wired remote controller by referring to the
procedure of Communication type procedure of "8. Applicable controls" for normal operation.
• When performing group control in combination with the indoor unit dedicated to TCC-Link (other than RAV-HM
series).
• When connecting to the central control device dedicated to TCC-Link.
Indoor unit Indoor unit
L
Remote
controller
L1
wiring
Remote
Remote controller inter-unit wiring
controller
Max. number of connect-able indoor units, and communication type
Indoor unit RAV-HM
Remote controller
U series
Remote sensor
Communication type TU2C-Link
Max. number of connect-able
16
units
: Other than RAV-HM and U series
29-EN
TCC-Link
Other than RAV-HM series
Other than U series
Other than U series
Other than U series
Indoor unit Indoor unit
L2 Ln
For number of Max. connect-able units,
refer to the following table.
Unit type
RAV-HM
U series
TCC-Link
8
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 Wiring between indoor unit and outdoor unit
1. Figure below shows the wiring connections between the indoor and outdoor units and between the indoor units
and remote controller. The wires indicated by the broken lines or dot-and-dash lines are provided at the locally.
2. Refer to the both indoor and outdoor unit wiring diagrams.
3. The power of the indoor unit is supplied from the outdoor unit.
Wiring diagram
Single system
Remote controller
Remote controller wiring
A B
Indoor side
1 2 3
Indoor / Outdoor
connecting wires
Outdoor side 1 2 3
Power supply
* Use 2-core shield wire (MVVS 0.5 to 2.0 mm² or more) for the remote controller wiring in the simultaneous twin
systems to prevent noise problems. Connect both ends of the shield wire to earth leads.
* Connect earth wires for each indoor unit in the simultaneous twin systems.
Simultaneous twin system
Remote controller
Remote controller inter-unit wiring
Remote controller wiring
A B
Indoor side
Indoor
side
1 2 3
Indoor / Outdoor connecting
wires
Indoor power
Outdoor side
1 2 3
inter-unit wiring
Power supply
A B
1 2 3
30-EN