Group control for system of multiple units
(Example) Group control for complex system
Group control in single system
Outdoor unit
Line system
(Example of address setup change)
(Example of random
setup)
After setup of
automatic
address
After setup
change of
manual address
Indoor No.
Outdoor unit
<Single system> <Twin system>
<Triple system>
Outdoor unit
Outdoor unit
Indoor unit
Address: 1-1-2
Line address
Group address
Indoor address
Address: 1-1-1
Address: 2-1-2
Address: 2-2-2
Address: 3-1-2
Address: 3-2-2
Address: 3-3-2
Address: 2-1-2
Address: 3-3-1
Address: 3-1-2
Address: 2-2-2
Address: 1-2-2
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Remote controller
Indoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Remote controller
(Max. 8 units)
Indoor unit
Finish of address setup by power-ON
Indoor unit
Indoor unit
Indoor unit
One remote controller can control maximum 8 indoor units as a group.
Required time up to the finish of automatic addressing is approx. 5 minutes.
• 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 flashes on the display part in about 3 minutes. During setup of automatic address, the
remote controller operation is not accepted.
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 follow mentioned system configuration is a case when complex systems in which systems of the simultane
ous twin and simultaneous triple unit is controlled as a group by a remote controller.
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.
NOTE
Procedure
example 1
[Procedure example]
Manual address setup procedure
While the operation stops, change the setup.
(Stop the operation of the unit.)
1
Push the [
MENU] button to display the
menu screen.
Push and hold the [
MENU] button and
the [
˅ ] button at the same time to
display the “Field setting menu”.
Push and hold the buttons for more than 4
seconds.
Push the [
CANCEL] button to return.
Push the [
˄ ] / [
˅ ] button to select
“DN setting” on the “Field setting menu”
screen, then push the “
Set”
[ F2] button.
The fan and louver of the indoor unit operate.
When the group control is used, the fan and
louver of the selected indoor unit operate.
Select the group-controlled function on the
menu screen, then push the “
Set”
[ F2] button.
Push the “
unit” [ F1] button to
select the unit to set.
The selected unit changes as follows each
time the button is pushed:
Push the “
Set” [ F2] button.
The setting display for the selected unit
appears.
(For a group control, No. of the firstly displayed
indoor unit becomes the header unit.)
2
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. Specify CODE No. [
12
] with Move the cursor to
select “Code(DN)” with the “
<”
[
F1] button, then set “Code(DN)” with the
[
˄
] / [
˅
] button.
(CODE No. [
12
]: Line address)
2. Change the line address from [
3
] to [
2
] with
Move the cursor to select “Data” with the
“
>” [
F2] button, then set “Data”
with the [
˄
] / [
˅
] button.
3. Push the [
MENU] button to set the other
Code (DN) and Data. After “Continue?” is
displayed on the screen, push the
“
Yes” [
F1] button.
4
1. Specify CODE No. [
13
] with Move the cursor to
select “Code(DN)” with the “
<”
[
F1] button, then set “Code(DN)” with the
[
˄
] / [
˅
] button.
(CODE No. [
13
]: Indoor address)
2. Change the Indoor address from [
3
] to [
2
] with
Move the cursor to select “Data” with the
“
>” [
F2] button, then set “Data”
with the [
˄
] / [
˅
] button.
3. Push the [
MENU] button to set the other
Code (DN) and Data. After “Continue?” is
displayed on the screen, push the
“
Yes” [
F1] button.
(* Display changes according to
the model No. of indoor unit.)
Indoor UNIT No. before setup change is displayed.
– 23 –
45-EN
46-EN
1128950138-00_S01_297x210_96p_S_p70_220212.indd 24
3/23/2022 8:10:42 AM