38-EN
37-EN
– 19 –
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 speci
fi
cations)
Indoor unit
Remote controller
Finish of address setup by power-ON
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Outdoor
Outdoor
Outdoor
Outdoor
Outdoor
Group control in single system
•
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 master indoor unit of follower 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
fl
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
fi
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 con
fi
guration of the group control.
•
The follow mentioned system con
fi
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>
Indoor No.
Line address
Group address
Indoor address
Address: 1-1-1
Address: 1-1-2
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Indoor unit
Procedure
example 1
Address: 2-1-2
Address: 2-1-2
Address: 2-2-2
Address: 3-3-1
(Example of random
setup)
(Example of address setup change)
After setup of
automatic
address
After setup
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.
Manual address setting
1
Push and hold menu button and [
] setting button simultaneously for 10 seconds or more.
2
Push OFF timer button to con
fi
rm the selected indoor unit.
<Line address>
3
Push the menu button until the Code No.
fl
ashes. And using the [
] [
] buttons, specify the Code No.
[12]
.
4
Push the menu button until the Set data
fl
ashes. And using the [
] [
] buttons, set a line address.
5
Push OFF timer button to con
fi
rm the Set data.
<Indoor unit address>
6
Push the menu button until the Code No.
fl
ashes. And using the [
] [
] buttons, specify the Code No.
[13]
.
7
Push the menu button until the Set data
fl
ashes. And using the [
] [
] buttons, set an indoor unit address.
8
Push OFF timer button to con
fi
rm the Set data.
<Group address>
9
Push the menu button until the Code No.
fl
ashes. And using the [
] [
] buttons, specify the Code No.
[14]
.
10
Push the menu button until the Set data
fl
ashes. 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 con
fi
rm the Set data.
12
When all the settings have been completed, push ON/OFF button to
fi
nish the settings.
(Return to the normal mode)
To
fi
nd 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.
