Toshiba RAV-HM301U1TP-E Installation Manual page 19

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
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 "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 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 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 specifi cations)
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 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
is being set up flashes on the display part in about 3 minutes. During setup of automatic address,
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 follow mentioned system configuration is a case when complex systems in which systems of the
simultaneous twin unit is controlled as a group by a remote controller.
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Outdoor unit Outdoor unit
Indoor unit Indoor unit
(Example) Group control for complex system
Line system
<Single system> <Twin system>
Outdoor unit Outdoor unit
Indoor unit Indoor unit Indoor unit
(Example of
random setup)
After setup of
Address: 1-1-2 Address: 2-1-2
automatic 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.
Group control
1
Push and hold menu button and [
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 [
4
Push the menu button until the Set data flashes. And using the [
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 [
7
Push the menu button until the Set data flashes. And using the [
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 [
10
Push the menu button until the Set data flashes. And using the [
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)
– 18 –
Procedure
example 1
Indoor unit
Address: 3-3-1
Address: 2-2-2
] setting button simultaneously for 10 seconds or more.
] [ ] buttons, specify the Code No. [12].
] [ ] buttons, set a line address.
] [ ] buttons, specify the Code No. [13].
] [ ] buttons, set an indoor unit address.
] [ ] buttons, specify the Code No. [14].
] [ ] buttons, set a group address.
EN
36-EN