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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
▼
Twin system
Outdoor unit
Finish of address setup by power-ON
Remote controller
Indoor unit
Indoor unit
▼
Triple system
Outdoor unit
Finish of address setup by power-ON
Remote controller
Indoor unit
Indoor unit
Indoor unit
▼
Double twin
Outdoor unit
Finish of address setup by power-ON
Remote controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
•
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
fl
ashes on the display part.
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.
Group control for system of multiple units
One remote controller can control maximum 8 indoor units as a group.
▼
Group control in single system
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Finish of address setup by power-ON
Remote controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
(Max. 8 units)
•
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
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
Remote controller
Outdoor unit
Outdoor unit
Outdoor unit
Indoor No.
After setup of
automatic
address
After setup
change of manual
address
Address: 1-1-2
Address: 1-1-1
Address: 2-1-2
Address: 2-1-2
Address: 3-3-1
Address: 2-2-2
Address: 3-1-2
Address: 3-1-2
Address: 2-2-2
Address: 1-2-2
Address: 3-2-2
Address: 3-3-2
Line address
Group address
Indoor address
(example of address
setup change)
(example of
random setup)
Line system
Procedure
example
1
<Triple system>
<Twin system>
<Single system>
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
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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1111056499_(01)_EN.indb 14
10/13/14 9:13 AM
10/13/14 9:13 AM