Toshiba RAV-HM561BTP-E Installation Manual page 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 Outdoor unit
Indoor 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 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 in 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.
NOTE
In some cases, it is necessary to change the address manually after setup of the automatic address according
to the system confi guration of the group control.
• The follow mentioned system confi 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.
(Example) Group control for complex system
Line system
<Single system> <Twin system>
Outdoor unit Outdoor unit
Indoor No. Indoor unit Indoor unit
(Example of random
setup)
After setup of
automatic
Address: 1-1-2 Address: 2-1-2
address
Line address Group address
Indoor address
(Example of address setup change)
After setup
Address: 1-1-1 Address: 2-1-2
change of
manual address
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.
Outdoor unit
Indoor unit
Procedure
example 1
Indoor unit
Address: 3-3-1
Address: 2-2-2
■
Manual address setting
1
Push and hold menu button and [ ] setting button simultaneously for 10 seconds or more.
2
Push OFF timer button to confirm the selected indoor unit.
<Line address>
3
Push the menu button until the Code No. flashes. And using the [ ] [ ] buttons, specify the Code No.
4
Push the menu button until the Set data flashes. And using the [ ] [ ] buttons, set a line address.
5
Push OFF timer button to confirm the Set data.
<Indoor unit address>
6
Push the menu button until the Code No. flashes. And using the [ ] [ ] buttons, specify the Code No.
7
Push the menu button until the Set data flashes. And using the [ ] [ ] buttons, set an indoor unit address.
8
Push OFF timer button to confirm the Set data.
<Group address>
9
Push the menu button until the Code No. flashes. And using the [ ] [ ] buttons, specify the Code No.
10
Push the menu button until the Set data flashes. And using the [ ] [ ] buttons, set a group address. If the
indoor unit is individual, set the address to 0000. (header unit: 0001, follower unit: 0002)
11
Push OFF timer button to confirm the Set data.
12
When all the settings have been completed, push ON/OFF button to finish the settings.
(Return to the normal mode)
■
To find an indoor unit's position from its address
1
Push and hold menu button and [ ] setting button simultaneously for 10 seconds or more.
E.g.) A unit number 1-1 is indicated on the LCD of the remote controller. The indicated number shows the line
(system) address and indoor unit address of the unit.
2
When 2 or more indoor units are connected to the remote controller (group-controlled units), a number of
other connected units appears each time you push the [ ] [ ] buttons.
3
Push the ON/OFF button, return to the normal mode.
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[12]
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[13]
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[14]
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EN