En-11
Address
Rotary
Switch
Setting
Address
Rotary
Switch
Setting
Refrigerant
circuit
REF AD SW
Indoor unit
IU AD SW
× 10 × 1 × 10 × 1
808808
909909
10 1 0 10 0 0
11 1 1 11 1 1
12 1 2 12 1 2
.
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.
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.
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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.
(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
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 01234567
Address 01234567
RC AD SW 89ABCDEF
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 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.
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
7.1. Setting the address
CAUTION
Use an insulated screwdriver to set the dip switches.
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
(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
Address
Rotary
Switch
Setting
Address
Rotary
Switch
Setting
Refrigerant
circuit
REF AD SW
Indoor unit
IU AD SW
× 10 × 1 × 10 × 1
000000
101101
202202
303303
404404
505505
606606
707707
9371022253-01_IM.indb Sec1:119371022253-01_IM.indb Sec1:11 2012-7-12 14:34:452012-7-12 14:34:45