7.1. Setting the address
Use an insulated screwdriver to set the dip switches.
Rotary switch
Example: "0"
Setting
Setting
range
Indoor unit
0 to 63
address
Refrigerant circuit
0 to 99
address
(1) Indoor unit address
Rotary switch (IU AD ×1)...Factory setting "0"
Rotary switch (IU AD ×10)...Factory setting "0"
When connecting multiple indoor units to 1 refrigerant system, set the address at IU AD
SW as shown in the Table A.
(2) Refrigerant circuit address
Rotary switch (REF AD ×1)...Factory setting "0"
Rotary switch (REF AD ×10)...Factory setting "0"
In the case of multiple refrigerant systems, set REF AD SW as shown in the Table A
for each refrigerant system.
Set to the same refrigerant circuit address as the outdoor unit.
• If working in an environment where the wireless remote controller can be used, the
addresses can also be set using the remote controller.
• If setting the addresses using the wireless remote controller, set the indoor unit
address and refrigerant circuit address to "00".
(For information on setting using the wireless remote controller.)
Table A
Rotary Switch
Address
Setting
REF AD SW
Refrigerant
circuit
× 10
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
En-11
9371022253-01_IM.indb Sec1:11
9371022253-01_IM.indb Sec1:11
CAUTION
Rotary switch
Example: "0"
Type of switch
Setting example
2
IU AD×10
IU AD×1
Setting example
63
REF AD×10
REF AD×1
Rotary Switch
Address
Setting
IU AD SW
Indoor unit
× 1
× 10
0
0
0
1
1
0
2
2
0
3
3
0
4
4
0
5
5
0
6
6
0
7
7
0
Rotary Switch
Address
REF AD SW
Refrigerant
circuit
× 10
8
0
9
0
10
1
11
1
12
1
.
.
.
.
.
.
99
9
Do not set the indoor unit address (IU AD SW) at 64 to 99.
It may result in failure.
(3) Remote controller address
i) 3-wire type
Rotary switch (RC AD SW)...Factory setting "0"
When connecting multiple indoor units to 1 standard wired remote controller, set the
address at RC AD SW in sequence from 0.
Setting
Remote controller
address
Example
If 4 indoor units are connected.
Indoor unit
RC AD SW
0
Remote
controller
RC AD SW
0
Address
0
RC AD SW
8
Address
8
ii) 2-wire type
Rotary switch (RC AD SW)...Factory setting "0"
Since the remote controller address settings are automatically confi gured, you do not
need to confi gure them.
If confi guring manually, it is necessary to confi gure both the indoor unit and the remote
controller. For details, please refer to the remote controller manual.
× 1
7.2. Custom code setting
0
1
Selecting the custom code prevents the indoor unit mix-up.
(Up to 4 codes can be set.)
2
Perform the setting for both the indoor unit and the remote controller.
3
Confusion
4
Indoor
unit
5
6
Remote
7
controller
Rotary Switch
Address
Setting
Indoor unit
× 1
× 10
8
8
0
9
9
0
0
10
0
1
11
1
2
12
1
.
.
.
.
.
.
.
.
.
9
63
6
Setting
Type of switch
range
Setting
0 to 15
example 0
RC AD
Indoor unit
Indoor unit
Indoor unit
RC AD SW
RC AD SW
RC AD SW
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
9
A
B
C
D
E
9
10
11
12
13
14
Code change
A
B
C
A
B
C
Setting
IU AD SW
× 1
8
9
0
1
2
.
.
.
3
7
7
F
15
D
D
2012-7-12 14:34:45
2012-7-12 14:34:45