Group Control - Toshiba RAV-SM2242DT-E Installation Manual

Group control

Group control for system of multiple units
One remote controller can control up to 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, refer 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. 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
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.
29-EN
Outdoor unit
Outdoor unit
Indoor unit Indoor unit
(Max. 8 units)
– 15 –
Procedure example 1
Manual address setup procedure
While the operation stops, change the setup.
(Be sure to stop the operation of the unit.)
3
-2,
4
-2,
5
-2
7
1 2,6
1
Push simultaneously + +
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 controller is not accepted for
approx. 1 minute.)
(For a group control, No. of the firstly displayed
indoor unit becomes the header unit.)
(* Display changes according to
the model No. of indoor unit.)
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 of
the selected indoor unit operate.
3
1. Using TEMP. / buttons, specify CODE No.
[12].
(CODE No. [12]: Line address)
2. Using TIME / buttons, change the line
address from [3] to [2].
3. Push button.
In this time, the setup finishes when the display
changes from flashing to lighting.
Indoor unit No. before setup change is displayed.
7
3
-1,
4
-1,
5
-1,
6
3
-3,
4
4
-3,
5 1. Using TEMP. / buttons, specify CODE No.
-3,
[13].
(CODE No. [13]: Indoor address)
buttons
2. Using TIME / buttons, change the indoor
address from [3] to [2].
3. Push button.
In this time, the setup finishes when the display
changes from flashing to lighting.
Indoor unit No. before setup change is displayed.
5
1. Using TEMP. / buttons, specify CODE No.
[14].
(CODE No. [14]: Group address)
2. Using TIME / buttons, change the SET
DATA from [0001] to [0002].
(SET DATA [Header unit: 0001] [Follower unit:
0002])
3. Push button.
In this time, the setup finishes when the display
changes from flashing to lighting.
Indoor UNIT No. before setup change is displayed.
30-EN