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2. AC Smart Installation
Setting PI485 and connecting line
After setting the address of the unit, you must install PI485 and set the DIP switch. And then you must
connect the RS485 line to communication with AC Smart.
Reference: PI485 installation
The installation of PI485 may differ by the product of the outdoor unit. Therefore, refer to PI485
manual or installation technology information to proceed.
Setting PI485 DIP switch
The DIP switch of PI485 can be checked in the following location.
Set the DIP switch as follows depending on the type of outdoor unit PI485 is attached to.
DIP switch
O N K S D O 4 H
O N K S D O 4 H
O N K S D O 4 H
O N K S D O 4 H
2-7
AC Smart
Setting
- Multi V product (Excluding CRUN, LRA product)
1, 4 ON
- MPS static speed product with common PCB applied
2, 3 OFF
- MPS inverter product
- MPS static speed product without common PCB applied
2, 4 ON
1, 3 OFF
- Multi V CRUN, LRA product
1, 2, 3, 4 ON
- Single indoor unit (When connected to PI485 for indoor unit)
3, 4 ON
- Ventilator (When connected to PI485 for ventilation)
1, 2 OFF
O N
K S D O 4 H
Product type
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