Installation Manual
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34
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34-EN
Group control
Simultaneous twin system
A combination with an outdoor unit allows simultaneous ON / OFF operation of the indoor units.
The following system patterns are available.
- Two indoor units for the twin system
T
Twin system
Outdoor unit
Indoor unit
Remote controller
Indoor unit
Finish of address setup by power-ON
For wiring procedure and wiring method, follow to the “Electrical connection” in this manual.
When the power supply has been turned on, the automatic address setup starts and which indicates
that address is being set up
À
ashes on the display part.
During setup of automatic address, the remote controller operation is not accepted.
Required time up to the
¿
nish of automatic addressing is approx. 5 minutes.
Group control for system of multiple units
One group can control up to 16 (TU2C-Link) or 8 (TCC-Link) indoor units with one remote controller.
(Refer to the Wiring specifications)
T
Group control in single system
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Remote controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Finish of address setup by power-ON
For wiring procedure and wiring method of the individual line (identical refrigerant line) system, follow to
“Electrical connection”.
Wiring between lines is performed in the following procedure.
Connect the terminal block (A / B) of the indoor unit connected with a remote controller to the terminal
blocks (A / B) of the indoor units of other indoor units by wiring the inter-unit wire of the remote
controller.
When the power supply has been turned on, the automatic address setup starts and which indicates
that address is being set up
À
ashes on the display part in about 3 minutes. During setup of automatic
address, the remote controller operation is not accepted.
Required time up to the
¿
nish of automatic addressing is approx. 5 minutes.
NOTE
In some cases, it is necessary to change the address manually after setup of the automatic address
according to the system configuration of the group control.
The follow mentioned system con
¿
guration is a case when complex systems in which systems of the
simultaneous twin and simultaneous triple unit is controlled as a group by a remote controller.
