2. AC Smart Installation
Installation/Owner's Manual
2-8
Reference: PCB part #
MPS static speed applied product with common PCB applied must have the PCB part # as shown
as follows.
• PCB P/NO. : 6871A20910A ~ Z
• PCB P/NO. : 6871A20917A ~ Z
• PCB P/NO. : 6871A20918A ~ Z
Caution: PI485 DIP switch setting
When the air conditioner selection switch setting is incorrect, the air conditioner can
malfunction.
Refer to PI485 (M) manual for detail installation method of PI485.
Information: Checking PI485 DIP switch setting
You can check whether the indoor unit address setting and the DIP switch setting of PI485 have been
set correctly as follows.
• LED01G will flash for as many as the connected number of indoor units.
• LED02G and LED03G will flash in switching back and forth. (When connecting LRA/CRUN
product, LED02G can blink more than LED03G).
When the LED is abnormal unlike the above description, recheck the address setting of the indoor unit
and DIP switch setting.
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