Daikin RMXS-L Series Service Manual page 142

Field Settings
Switching Mode (1):
Set Cool/Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller
Switching Mode (2):
Set Cool/Heat Separately for Each Outdoor Unit System by Cool/Heat Selector
132
It does not matter whether or not there is outdoor - outdoor unit wiring.
Set the DIP switch DS1-1 of the outdoor unit PCB (A2P) to IN (factory setting).
Set cool/heat switching to IND (individual) in the setting mode 1 (factory setting). (Refer to page
126 for details.)
Connect the cool/heat selector (option) to the terminals A, B, C on the outdoor unit PCB (A4P).
It does not matter whether or not there is outdoor - outdoor unit wiring.
Set the DIP switch DS1-1 of the outdoor unit PCB (A2P) to OUT.
Set cool/heat switching to IND (individual) in the setting mode 1 (factory setting). (Refer to page
126 for details.)
Switching mode (1)
DIP switch
DS1-1
Set the DIP switch
DS1-1 to IN.
Service PCB
(A2P)
C/H selector PCB
(A4P)
Terminal strip
(Control) (X2M)
Switching mode (2)
DIP switch
DS1-1
Set the DIP switch
DS1-1 to OUT.
Noise filter PCB
(A3P)
Test Operation and Field Settings
SiUS181631EA