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ページを印刷するOperation behavior
Connector
External output1
Pins 1-2
External output2
CNB01
Pins 1-3
External output3
Pins 1-4
6.7. Drain pump unit (Optional parts)
• For the installation method, please refer to the INSTALLATION MANUAL of drain pump
unit.
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 manual
for detailed setting information. (Set IU AD, REF AD
SW to 0)
(3) Automatic address settings ..... Refer to the outdoor unit manual for detailed setting
information. (Set IU AD, REF AD SW to 0)
Be sure to turn OFF the power before performing the fi eld setting.
7.1. Setting the address
Manual address setting method
• 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.
For indoor
unit address
IU AD
×10
SET3
Setting
Setting
range
Indoor unit address
0 to 63
Refrigerant
0 to 99
circuit 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.
Output voltage
Status
0V
Stop
DC 12 V
Operation
0V
Normal
DC 12 V
Error
0V
Indoor unit fan stop
DC 12 V
Indoor unit fan operation
CAUTION
CAUTION
For refrigerant
circuit address
REF AD
RC AD
×1
×10
×1
SET4
Type of switch
Setting
example
2
IU AD × 10
IU AD × 1
Setting
example
63
REF AD × 10
REF AD × 1
• If working in an environ-
Table A
ment where the wireless
remote controller can be
Address
used, the addresses can
also be set using the
Refrigerant
remote controller.
circuit
• If setting the addresses
0
using the wireless
remote controller, set
1
the indoor unit address
2
and refrigerant circuit
address to "00".
3
(For information on set-
4
ting using the wireless
remote controller.)
5
⁞
* Do not set the indoor
10
unit address (IU AD
SW) at 64 to 99.
11
It may result in failure.
⁞
99
7.2. Custom code setting
Selecting the custom code prevents the indoor unit mix-up. (Fig. B)
(Up to 4 codes can be set.)
Perform the setting for both the indoor unit and the remote controller.
Fig. B
Confusion
Indoor unit
Remote
controller
Custom code setting for indoor unit
Set the DIP switch SET 3 SW1, SW2, referring to the Table B.
Dip switch "SET 3"
ON
OFF
A (Factory setting)
DIP switch SET 3 SW1
OFF
DIP switch SET 3 SW2
OFF
Rotary switch
Rotary switch
Address
setting
setting
REF AD SW
IU AD SW
Indoor unit
× 10
× 1
× 10
0
0
0
0
0
1
1
0
0
2
2
0
0
3
3
0
0
4
4
0
0
5
5
0
⁞
⁞
⁞
⁞
1
0
10
1
1
1
11
1
⁞
⁞
⁞
⁞
9
9
63
6
Code change
A
B
C
D
A
B
C
IU AD
REF AD
RC AD
×10
×1
×10
×1
SET3
SET4
Table B
Custom code
B
C
ON
OFF
OFF
ON
× 1
0
1
2
3
4
5
⁞
0
1
⁞
3
D
D
ON
ON
En-12