AirStage ASYA09GACH/ASHA09GACH Installation Manual - Page 9
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6. 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 (6.1. 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 in-
formation. (Set IU AD, REF AD SW to 0)
6.1. Setting the address
Manual address setting method
When setting the DIP switch, use an insulated screw driver.
When handling the PCB, static electricity charged in the body may cause malfunction
of the PCB. Follow the cautions below:
• Touch metal part of the indoor and outdoor units for more than 10 seconds to
discharge static electricity charged in the body.
• Do not touch terminals of parts and patterns implemented on the PCB.
(1) Remove the cable clamp and the piping cover.
(2) Remove screws of the heat exchanger, and then remove earthing (grounding) wire.
(3) Remove the shield and the connector cover.
(4) Remove 3 thermistors and 4 connectors.
Thermistors
Connector
Screw
Earthing
(Grounding)
wire
(5) Remove screws, then remove the control unit.
Screws
CAUTION
Piping cover
Screw
Cable clamp
Screw
Shield
Connector cover
Connectors
Screw
Control unit
(6) Set the switches on the PCB.
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.
Rotary switch
IU AD ×10
(Example: "0")
IU AD ×1
REF AD ×10
REF AD ×1
Rotary switch
(Example: "0")
RC AD ×1
Table A
Setting
Setting
range
Indoor unit
0 to 63
Setting example 2
address
Refrigerant circuit
0 to 99
Setting example 63
address
• 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".
Rotary
Address
Switch Setting
REF AD SW
Refrigerant
circuit
× 10
× 1
0
0
0
1
0
1
2
0
2
3
0
3
4
0
4
5
0
5
6
0
6
7
0
7
8
0
8
9
0
9
10
1
0
11
1
1
12
1
2
.
.
.
.
.
.
.
.
.
99
9
9
Do not set the indoor unit address (IU AD SW) at 64 to 99.
It may result in failure.
Controller PCB
Type of switch
IU AD × 10
IU AD × 1
REF AD × 10
REF AD × 1
Rotary
Address
Switch Setting
IU AD SW
Indoor unit
× 10
× 1
0
0
0
1
0
1
2
0
2
3
0
3
4
0
4
5
0
5
6
0
6
7
0
7
8
0
8
9
0
9
10
0
0
11
1
1
12
1
2
.
.
.
.
.
.
.
.
.
63
6
3
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