Air Conditioner User Manual
Toshiba
–28–
4-way Air Discharge Cassette Type
Installation Manual
EN
Group control for system of multiple units
One remote control can control maximum 8 indoor
units as a group.
▼ Group control in single system
• For wiring procedure and wiring method of the
individual line (Identical refrigerant line) system,
follow to “Electric work”.
• Wiring between lines is performed in the following
procedure.
Connect the terminal block (A/B) of the indoor unit
connected with a remote control to the terminal
blocks (A/B) of the indoor units of other indoor units
by wiring the inter-unit wire of the remote control.
• When the circuit breaker is 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
control 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 above mentioned system configuration is a
case when complex systems in which systems of
the multiple twin unit is controlled as a group by a
remote control.
Procedure example 1
Manual address setup procedure
While the operation stops, change the setup.
(Be sure to stop the operation of the unit.)
Procedure 1
Push simultaneously + + buttons for 4
seconds or more. After a while, the display part flashes
as shown below. Check the displayed CODE No. is
[10].
• When the CODE No. is other than [10], push
button to erase the display and repeat procedure
from the first step.
(After pushing
button, operation of the remote
control is not accepted for approx. 1 minute.)
(For a group control, No. of the firstly displayed
indoor unit becomes the header unit.)
Procedure 2
Every pushing button, the indoor UNIT No. in
the group control is displayed in order. Select the
indoor unit of which setup is changed.
In this time, the position of the indoor unit of which
setup is changed can be confirmed because fan and
louver of the selected indoor unit operate.
Outdoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor unit
Indoor unitIndoor unitIndoor unitIndoor unitIndoor unit
Remote
control
Finish of address setup by power-ON
(Max. 8 units)
2,61
7
3
-1,
4
-1,
5
-1,
7
3
-3,
4
-3,
3
-2,
4
-2,
5
-2
5
-3,
(* Display changes according to
the model No. of indoor unit.)
28-EN
+00EH99864701_00Ta.book Page 28 Tuesday, November 24, 2009 4:54 PM