Toshiba RAV-HM561BTP-E Installation Manual page 17

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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.
(If the TCC-Link model is included, TCC-Link communication will be performed.)
For details of communication type, refer to the following table.
Communication type and model names
Communication type TU2C-Link
Indoor unit
RAV-HM series model
Wired remote
RBC-A U
controller
This letter indicates U series model.
Wireless remote RBC-AXU
controller kit &
receiver unit This letter indicates U series model.
Remote sensor
TCB-TC U
This letter indicates U series model.
CAUTION
When connecting to the central control device dedicated to TCC-Link, it is necessary to change to TCC-Link
using a wired remote controller. Set according to the Communication type procedure of "9 Applicable controls".
Indoor unit Indoor unit
Remote
L
controller
L1 L 2
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
TCC-Link
Other than RAV-HM
Other than U series
Other than U series
Other than U series
Indoor unit Indoor unit
L n
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
series
Remote controller
Remote controller wiring
Indoor side
Indoor/Outdoor connecting wires
Outdoor side
Simultaneous triple and double twin system
Remote controller
Remote controller
wiring
Indoor side
Indoor/Outdoor
connecting wires
Outdoor side
* Use 2-core shield wire (MVVS 0.5 to 2.0 mm
and simultaneous double twin systems to prevent noise problems. Be sure to connect both ends of the shield
wire to earth leads.
Connect earth wires for each indoor unit in the simultaneous twin, simultaneous triple and simultaneous double
twin systems.
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Simultaneous twin system
Remote controller
Remote controller wiring
A B
Indoor side
1 2 3
Indoor/Outdoor connecting wires
1 2 3
Outdoor side
Power supply
Remote controller Remote controller
inter-unit wiring inter-unit wiring
A B A B
Indoor side Indoor side
1 2 3 1 2 3
Indoor power Indoor power
1 2 3
inter-unit wiring inter-unit wiring
Power supply
Triple
Double twin
2 or more) for the remote controller wiring in the simultaneous triple
Remote controller
inter-unit wiring
A B A B
Indoor
side
1 2 3 1 2 3
Indoor power
1 2 3
inter-unit wiring
Power supply
Remote controller
inter-unit wiring
A B A B
Indoor side
1 2 3 1 2 3
Indoor power
inter-unit wiring
EN