En-12
]1
6.6. Drain pump unit (Optional parts)
Connection method
• Connection terminals
Drain pump terminal
(CN106)
Flort switch terminal
(CNA05)
Controller PCB
Power supply PCB
• Wiring arrangement
Controller PCB
Clamp
Power supply PCB
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)
CAUTION
Be sure to turn OFF the power before performing the
fi
eld setting.
]1
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.
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.
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
1
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 in failure.
9367702107-02_IM.indb Sec1:12
9367702107-02_IM.indb Sec1:12
1/25/2013 3:51:38 PM
1/25/2013 3:51:38 PM
