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Setting
Indoor unit address
Refrigerant circuit
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
Address
Refrigerant circuit
0
1
2
3
4
5
6
7
8
9
10
11
12
.
.
.
99
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.
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Rotary switch
Example: "0"
Rotary switch
Example: "0"
Setting
Type of switch
range
Setting
0 to 63
example
2
IU AD × 10
Setting
0 to 99
example
63
REF AD × 10
Rotary
Address
Switch Setting
REF AD SW
Indoor unit
× 10
× 1
0
0
0
0
1
1
0
2
2
0
3
3
0
4
4
0
5
5
0
6
6
0
7
7
0
8
8
0
9
9
1
0
10
1
1
11
1
2
12
.
.
.
.
.
.
.
.
.
9
9
63
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Setting
Remote controller
address
Example
If 4 indoor units are connected.
Indoor unit
RC AD SW
0
Remote
controller
RC AD SW
Address
IU AD × 1
RC AD SW
Address
ii) 2-wire type
REF AD × 1
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.
7.2. Custom code setting
Selecting the custom code prevents the indoor unit mix-up.
(Up to 4 codes can be set.)
Perform the setting for both the indoor unit and the remote controller.
Indoor
unit
Remote
controller
Custom code setting for indoor unit
Rotary
Set the DIP switch SET 3 SW1, SW2 referring to the Table B.
Switch Setting
IU AD SW
× 10
× 1
0
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
0
ON
1
1
OFF
1
2
.
.
.
.
.
.
6
3
Table B
DIP switch SET3 SW1
DIP switch SET3 SW2
] 1
Setting range
Type of switch
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
0
1
2
3
4
5
0
1
2
3
4
5
8
9
A
B
C
D
8
9
10
11
12
13
Code change
Confusion
A
B
C
A
B
C
DIP switch "SET3"
SW
SW
SW
SW
1
2
3
4
Custom code
A (Factory setting)
B
OFF
ON
OFF
OFF
OFF
ON
6
7
6
7
E
F
14
15
D
D
C
D
ON
ON
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2012-7-12 14:19:05
2012-7-12 14:19:05
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