En-13
• Open the control box cover R.
Tapping screw
Control
box cover R
PCB
Rotary switch
Example: “0”
Rotary switch
Example: “0”
SW SW SW SW
1 2 3 4
Dip switch
“SET 3”
CAUTION
• Be careful not to make mistakes for switch settings.
(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 one 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.
Setting
Setting
range
Type of switch
Indoor unit
address
0–63
Setting
example
2
IU AD × 10
IU AD × 1
Refrigerant
circuit
address
0–99
Setting
example
63
REF AD × 10
REF AD × 1
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 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 one standard
wired remote controller, set the address at RC AD SW in
sequence from 0.
Setting
Setting
range
Type of switch
Remote
controller
address
0–15
Setting
example
0
RC AD
9371057033-02_IM_en.indd 13
2/20/2009 3:13:39 PM
