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6.9. Drain pump unit (Optional parts)
• For the installation method, please refer to the INSTALLATION MANUAL of drain pump
unit.
Connection methods
• Connection terminals
Power supply PCB
• Wiring arrangement
Power supply cable
Cable clamp
Cable tie*
(Bind with the power supply cable.)
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.
9373385141-01_IM.indb Sec1:14
9373385141-01_IM.indb Sec1:14
Controller PCB
Front switch
terminal (CNA05)
Drain pump
terminal (CN106)
Controller PCB
Cable tie*
Clamps
*Accessories of Drain pump unit
CAUTION
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.
CAUTION
Use an insulated screwdriver to set the DIP switches.
Rotary switch
Example: "0"
Setting
Setting
range
Setting
Indoor unit address
0 to 63
example
Setting
Refrigerant circuit
0 to 99
example
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.)
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.
Rotary switch
Example: "0"
Type of switch
2
IU AD × 10
IU AD × 1
63
REF AD × 10
REF AD × 1
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
En-14
7/12/2012 11:16:17 AM
7/12/2012 11:16:17 AM
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