AirStage ASUA14TLAV Manuale di installazione - Pagina 9
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To peel the fi lm from the lead cable, use a dedicated tool that will not damage the
conductor cable.
When installing a screw on the terminal block, do not cut the cable by overtightening
the screw. On the other hand, an undertightened screw can cause faulty contact, which
will lead to a communication failure.
• Fix the conduit with the supporters as shown below.
Conduit (Power supply cable)
Indoor unit
30 in.
54 in.
(756 mm)
(1,361 mm)
or less
or less
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)
Be sure to turn OFF the power before performing the fi eld setting.
Do not operate any switches other than prescribed, as it can cause the unit to operate
improperly or malfunction.
Use an insulated screwdriver to set the DIP switches.
6.1. 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
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
CAUTION
Supporter
54 in.
54 in.
(1,361 mm)
(1,361 mm)
or less
or less
CAUTION
CAUTION
Piping cover
Screw
Cable clamp
Screw
Shield
Connector cover
Connectors
Screw
(5) Remove screws, then remove the control unit.
Screws
(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.
Control unit
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
En-8