Group Control - Toshiba RAV-SM304SDT-E Installation Manual

 Group control
◆ Simultaneous twin system
A combination with an outdoor unit allows simultaneous ON/OFF operation of two indoor units for the twin system.
▼ Twin system
Outdoor unit
Indoor unit Indoor unit
Remote controller
Finish of address setup by power-ON
• For wiring procedure and wiring method, follow to the "Electric work" 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 flashes on the display part.
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.
◆ Group control for multiple units system
One remote controller can control maximum 8 indoor units as a group.
▼ Group control in single system
Outdoor unit Outdoor 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 "Electric work".
• 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 flashes on the display part. 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.
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 above mentioned system configuration is a case when complex systems in which systems of the multiple twin unit is
controlled as a group by a remote controller.
81-EN
AMP Air Conditioning
Outdoor unit Outdoor unit Outdoor unit
Indoor unit Indoor unit Indoor unit
(Max. 8 units)
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◆ (Example) Group control for complex system
Line system
Indoor No.
(Example of random setup)
After setup of
automatic address
(Example of address setup change)
After setup change of manual
address
Procedure
example ➀
<Single system>
<Twin system>
Outdoor unit Outdoor unit
Indoor unit
Indoor unit Indoor unit
Address: 1-1-2 Address: 2-1-2 Address: 3-3-1
Line Group
address address
Indoor address
Address: 1-1-1 Address: 2-1-2 Address: 2-2-2
The above address is set by the
automatic addressing when the power is
turned on. However, line addresses and
indoor addresses are set randomly. For
this reason, change the setting to match
line addresses with indoor addresses.
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82-EN