Daikin R410As Service Manual page 138

Si39-302
% Set Cool / Heat Separately for Each Outdoor Unit System by Cool/Heat Switching Remote Controller
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Test Operation
It does not matter whether or not there is outdoor - outdoor unit wiring.
Set outdoor unit PC board DS1-1 to "outdoor" (factory set).
Set cool/heat switching to "individual" for "Setting mode 1" (factory set).
Field Setting
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