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(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
Rotary
Address
Switch Setting
REF AD SW
Refrigerant circuit
× 10
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
Address
0
1
RC AD SW
8
9
Address
8
9
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.
9374342280-01_IM.indb Sec1:16
9374342280-01_IM.indb Sec1:16
Rotary
Address
Switch Setting
IU AD SW
Indoor unit
× 1
× 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
2
3
4
5
6
7
2
3
4
5
6
7
A
B
C
D
E
F
10
11
12
13
14
15
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.
Confusion
Indoor
unit
Remote
controller
Custom code setting for indoor unit
Set the DIP switch SET 3 SW1, SW2 referring to the Table B.
ON
OFF
SW
SW
SW
SW
1
2
3
4
Table B
A (Factory setting)
DIP switch SET3 SW1
OFF
DIP switch SET3 SW2
OFF
7.3. Switching the upper limit of cooling
temperature
This setting can be raised the upper limit of the cooling temperature setting range.
This setting can be used when connecting to the following controllers.
• Wired remote controller (2-wire type)
• Central remote controller
• Touch panel controller
• System controller
• Service tool
• Web monitoring tool
DIP switch setting
Set the DIP switch SET 4 SW3 referring to the Table C.
ON
OFF
SW
SW
1
2
Table C
DIP switch SET 4 SW3
OFF (Factory setting)
ON
NOTE:
Please do not make a standard setup and an extension setup intermingled in remote
controller group.
Code change
A
B
C
D
A
B
C
D
DIP switch "SET3"
Custom code
B
C
D
ON
OFF
ON
OFF
ON
ON
DIP switch "SET4"
SW
SW
3
4
Cooling temperature setting range
Standard (18 to 30 °C)
Extension (18 to 32 °C)
En-16
7/12/2012 10:43:29 AM
7/12/2012 10:43:29 AM
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