En-13
7.1 Setting the address
Manual address setting method
If the receiver unit is attached, the indoor unit address and the refrigerant circuit address can
also be set up through the wireless remote controller.
Rotary switch
Example: “0”
Rotary switch
Example: “0”
Setting
Setting range
Type of switch
Indoor unit
address
0 to 63
Setting
example: 2
IU AD × 10
IU AD × 1
Refrigerant
circuit address
0 to 99
Setting
example: 63
REF AD × 10
REF AD × 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.
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
Rotary switch
setting
Address
Rotary switch
setting
Refrigerant circuit
REF AD SW
Indoor unit
IU AD SW
× 10
× 1
× 10
× 1
0
0
0
0
0
0
1
0
1
1
0
1
2
0
2
2
0
2
3
0
3
3
0
3
4
0
4
4
0
4
5
0
5
5
0
5
6
0
6
6
0
6
7
0
7
7
0
7
8
0
8
8
0
8
9
0
9
9
0
9
10
1
0
10
1
0
11
1
1
11
1
1
12
1
2
12
1
2
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
99
9
9
63
6
3
Do not set the indoor unit address (IU AD SW) at 64 to 99.
It may result in failure.
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
Setting range
Type of switch
Remote controller
address
0 to 15
Setting
example: 0
RC AD
Example
If 4 indoor units are connected.
RC AD SW
0
RC AD SW
1
RC AD SW
2
RC AD SW
3
Indoor unit
Remote controller
Indoor unit
Indoor unit
Indoor unit
RC AD SW
0
1
2
3
4
5
6
7
Address
0
1
2
3
4
5
6
7
RC AD SW
8
9
A
B
C
D
E
F
Address
8
9
10
11
12
13
14
15
ii) 2-wire type
Rotary switch (RC AD SW)...Factory setting “0”
Since the remote controller address settings are automatically con
fi
gured, you do not
need to con
fi
gure them.
If
con
fi
guring manually, it is necessary to con
fi
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.
A B C D
A B C D
Indoor
unit
Remote
controller
Confusion
Code change
Custom code setting for indoor unit
Set the DIP switch SET 3 SW1, SW2 referring to the Table B.
SW
1
SW
2
SW
3
SW
4
DIP switch “SET 3”
ON
OFF
Table B
Custom code
A (Factory setting)
B
C
D
DIP switch SET3 SW1
OFF
ON
OFF
ON
DIP switch SET3 SW2
OFF
OFF
ON
ON
