Daikin VRV III-S RXYMQ36 48PVJU Service Manual page 92

SiUS34-907
 Set Cool / Heat Separately for Each Outdoor Unit System by Cool/Heat Switching Remote Controller
 It does not matter whether or not there is outdoor - outdoor unit wiring.
 Set outdoor unit PCB DS1-1 to OUT (factory setting).
 Set cool/heat switching to IND (individual) for "Setting mode 1" (factory setting).
Test Operation
Field Setting
83