Toshiba RAV-HM901FT-E Installation Manual page 22

 Group control
Simultaneous twin, triple or double 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
- Three indoor units for the triple system
- Four indoor units for the double-twin system
• When the units are used as simultaneous operation system, up to two remote controllers as Master and Sub
remote controller can be connected. When there are three remote controllers or more in the system, remove
connector connecting to the terminal block (A/B) in the Indoor unit for remote controller other than Master or Sub
remote controller. Set the remote controllers to the Master and Sub remote controller according to the separate
Installation Manual for remote controller.
▼Twin system
Outdoor unit
Indoor unit Indoor unit
Remote
controller
Finish of address setup by power-ON
▼Double twin
Outdoor unit
Indoor unit Indoor unit Indoor unit
Remote
controller
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 "
being setup flashes on the display part after about 3 minutes. During setup of automatic address, the remote
controller operation is not accepted.
Required time up to the finish of automatic addressing is approx. 5 minutes.
41-EN
▼Triple system
Outdoor unit
Indoor unit Indoor unit Indoor unit
Remote
controller
Finish of address setup by power-ON
Indoor unit
setting" that address is
– 21 –
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)
▼Group control in single system
Outdoor unit Outdoor unit Outdoor unit
Indoor unit Indoor unit Indoor unit
Remote controller
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 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 "
being setup flashes on the display part after about 3 minutes. During setup of automatic address, the remote
controller operation is not accepted.
Required time up to the finish of automatic addressing is approx. 5 minutes.
Outdoor unit Outdoor unit
Indoor unit Indoor unit
setting" that address is
42-EN