En-13
7. FIELD SETTING
• Refer to the following three items for setting the FIELD
SETTING address. The respective settings are included below.
(1) IU AD , REF AD SW settings ... This section
(2) Remote control settings ........... Refer to the wired or wireless
remote control manual for
detailed setting information.
(Set IU AD , REF AD SW to 0)
(3) Automatic address settings ...... R e f e r t o t h e i n d o o r u n i t
manual for detailed setting
information. (Set IU AD , REF
AD SW to 0)
CAUTION
• Be sure to turn OFF the power before performing the field
setting.
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
0–63
Setting
example
2
IU AD×10
IU AD×1
Refrigerant
circuit
address
0–99
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 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.
• 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
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
0
0
11
1
1
11
1
1
12
1
2
12
1
2
. .
.
. .
.
. .
.
. .
.
. .
.
. .
.
99
9
9
63
6
3
Do not 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