– 17 –
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
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.
Max. number of connect-able indoor units, and communication type
: Other than RAV-HM
and
U series
Communication
type
TU2C-Link
TCC-Link
Indoor unit
RAV-HM
series model
Other than RAV-HM
series
Wired remote
controller
RBC-A
U
Other than U series
Wireless remote
controller kit &
receiver unit
RBC-AXU
Other than U series
Remote sensor
TCB-TC
U
Other than U series
Unit type
Indoor unit
RAV-HM
RAV-HM
Remote controller
Remote sensor
U series
U series
Communication type
TU2C-Link
TCC-Link
Max. number of connect-able units
16
8
This letter indicates U series model.
This letter indicates U series model.
This letter indicates U series model.
L1
L
L2
Ln
Indoor unit
Remote controller inter-unit wiring
Indoor unit
Indoor unit
Indoor unit
Remote
controller
For number of Max. connect-able units,
refer to the following table.
Remote
controller
wiring
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 are provided at the locally.
2. Refer to the both indoor and outdoor unit wiring diagrams.
3. For details, refer to the Installation Manual for outdoor unit to be connected.
Wiring diagram (Example)
* Use 2-core shield wire (MVVS 0.5 to 2.0 mm² or more) for the remote controller wiring in the simultaneous triple
and simultaneous double 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 triple and simultaneous double twin systems.
NOTE
• For the simultaneous twin, simultaneous triple and simultaneous double twin connection, attach the crimp terminal to
end of the connecting wire.
• Do not connect wire (
③
-
③
) between header unit and follower unit for simultaneous operation (twin, triple, or double
twin). Wiring by mistake cause indoor units not to operate simultaneously and a check code “E18” appears.
Single operation
Simultaneous twin operation
Simultaneous triple and double twin operation
A
B
1
2
3
1
2
3
Outdoor side
Power supply
Indoor side
Indoor / Outdoor
connecting wires
Remote controller
A
B
1
2
3
1
2
3
A
B
1
2
3
Power supply
Indoor side
Indoor power
inter-unit wiring
Outdoor side
Indoor side
Indoor / Outdoor
connecting wires
Remote controller
inter-unit wiring
Remote controller
A
B
1
2
3
A
B
1
2
3
A
B
1
2
3
A
B
1
2
3
1
2
3
Power supply
Remote
controller
inter-unit wiring
Indoor side
Indoor power
inter-unit wiring
Triple
Double twin
Indoor power
inter-unit wiring
Indoor power
inter-unit wiring
Outdoor side
Remote controller
Indoor side
Indoor / Outdoor
connecting wires
Indoor side
Indoor side
Remote
controller
inter-unit
wiring
Remote
controller
inter-unit
wiring
33-EN
34-EN
Summary of Contents for RAV-HM1101FT-E
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