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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
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.
37-EN
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
(Max. 8 units)
– 19 –
To recognize the position of the
corresponding indoor unit though the
indoor UNIT No. is known
Check the position during operation stop.
(Stop operation of the unit.)
1,3
1
Push
+
buttons simultaneously for
4 seconds or more.
After a while, the display part flashes and the
display appears as shown below.
In this time, the position can be checked
because fan of the indoor unit operate.
For the group control, the indoor UNIT No. is
displayed as [
] and fans of all the indoor
units in the group control operate.
Check the displayed CODE No. is [01].
When the CODE No. is other than [01], push
button to clear the display and repeat procedure
from the first step.
(After pushing
button, operation of the remote
controller is not accepted for approx. 1 minute.)
(* Display changes according to
the model No. of indoor unit.)
2
In the group control, every time
button is pushed, the indoor UNIT No. in the
group control is displayed in order.
In this time, the position of the indoor unit
can be confirmed because only fan of the
selected indoor unit operate.
(For a group control, No. of the firstly displayed
indoor unit becomes the header unit.)
3
After confirmation, push
to the normal mode.
When
button is pushed, the display
disappears and the status becomes the
normal stopped state.
(When
button is pushed the operation from the
remote controller is not accepted for approx. 1
minute.)
1
2
button to return
38-EN
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