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7. FIELD SETTING
There are 3 methods for address setting by FIELD SETTING as follows.
Set by either of the methods.
Each setting method is described (1) to (3) below.
(1) IU AD, REF AD SW settings .............. This section (7.1. Setting the address)
(2) Remote controller settings ............... Refer to the wired or wireless remote controller
(3) Automatic address settings ............. Refer to the outdoor unit manual for detailed
Be sure to turn OFF the power before performing the fi eld setting.
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.
Use an insulated screwdriver to set the DIP switches.
Rotary switch
Example: "0"
Setting
Setting
range
Indoor unit address
0 to 63
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.)
En-13
9365748145-01_IM.indb Sec1:13
9365748145-01_IM.indb Sec1:13
manual for detailed setting information. (Set IU
AD, REF AD SW to 0)
setting information. (Set IU AD, REF AD SW to 0)
CAUTION
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
Table A
Rotary
Address
Switch Setting
REF AD SW
Refrigerant circuit
× 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
.
.
.
.
.
.
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
Setting range
Remote controller
0 to 15
address
Example
If 4 indoor units are connected.
Indoor unit
Indoor unit
RC AD SW
RC AD SW
0
1
Remote
controller
RC AD SW
0
1
2
Address
0
1
2
RC AD SW
8
9
A
Address
8
9
10
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.
Rotary
Address
Switch Setting
IU AD SW
Indoor unit
× 10
× 1
0
0
0
0
1
1
0
1
2
2
0
2
3
3
0
3
4
4
0
4
5
5
0
5
6
6
0
6
7
7
0
7
8
8
0
8
9
9
0
9
0
10
0
0
1
11
1
1
2
12
1
2
.
.
.
.
.
.
.
.
.
.
.
.
9
63
6
3
Type of switch
Setting
example
0
RC AD
Indoor unit
Indoor unit
RC AD SW
RC AD SW
2
3
3
4
5
6
7
3
4
5
6
7
B
C
D
E
F
11
12
13
14
15
7/12/2012 11:09:16 AM
7/12/2012 11:09:16 AM
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