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CAUTION
• Use an insulated screwdriver to set the dip switches.
Setting
Setting
range
Setting
Indoor unit
0–63
example
address
Refrigerant
Setting
circuit
0–99
example
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 sys-
tem, 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.
Table A
Rotary
Address
Switch Setting
Refrigerant
REF AD SW
× 10
× 1
circuit
0
0
0
1
0
1
2
0
2
3
0
3
4
0
4
5
0
5
6
0
6
7
0
7
8
0
8
9
0
9
10
1
0
11
1
1
12
1
2
. .
. .
. .
.
.
.
99
9
9
Do no t set the indoor unit address (IU AD SW) at 64 to 99. It
may result failure.
(3) Remote controller address
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
Remote con-
troller
0–15
address
Type of switch
2
IU AD x 10
IU AD x 1
63
REF AD x 10
REF AD x 1
Rotary
Address
Switch Setting
IU AD SW
Indoor unit
× 10
× 1
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
1
11
1
12
1
. .
. .
.
.
63
6
Type of switch
Setting
example
0
RC AD
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
] 1
7.2. Custom code setting
Selecting the custom code prevents the indoor unit mix-up.
(Fig. B)
(Up to 4 codes can be set.)
Perform the setting for both the indoor unit and the remote
controller.
Fig. B
Indoor unit
Remote
controller
• Custom code setting for indoor unit
0
Set the DIP SW SET 3 SW1, SW2, referring to the Table B.
1
2
3
4
5
6
7
8
9
0
1
2
. .
ON
.
OFF
3
sw
1
A (Factory setting)
DIP SW
SET 3 SW1
DIP SW
SET 3 SW2
Indoor unit
Indoor unit
RC AD SW
RC AD SW
1
2
1
2
3
4
1
2
3
4
9
A
B
C
D
9
10
11
12
13
Confusion
Code change
A
A
Dip switch
"SET 3"
sw
sw
sw
2
3
4
Table B
Custom code
B
OFF
ON
OFF
OFF
Indoor unit
RC AD SW
3
5
6
7
5
6
7
E
F
14
15
B
C
D
B
C
D
C
D
OFF
ON
ON
ON
En-17
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