Daikin VRV II RXYQ5MATL Service Manual page 150

Si39-504
Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified
Master Outdoor Unit by Cool / Heat Switching Remote Controller
Test Operation
Install the external control adapter for outdoor unit on either the outdoor-outdoor, indoor-
outdoor transmission line.
Mount the COOL/HEAT selection remote controller to the master outdoor unit for the unified
control.
Set the DS1-1 on the PC board of master outdoor unit to OUT.
In setting mode 1, set the outdoor unit you want to give cool/heat selection permission to as
the group master, and set the other outdoor units as group slave units.
Set the outdoor unit external control adapter SS1 to BOTH (factory set) or C/H, and SS2 to
OFF (factory set).
Multi outdoor units connection
Field Setting
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