Daikin RXYQ5-48MAY1 Service Manual page 161

Field Setting
Setting of COOL/HEAT in a batch of multi-outdoor-unit system according to the master outdoor unit for
the batch control with the use of COOL/HEAT selection remote controller
Supplementation on
When switching cool/heat for each adapter PC board with the use of more than one adapter PC
board, set the address of the adapter PC board DS1 and DS2 so that it matches the unified
cool/heat address of outdoor unit PC board.
150
Mount the COOL/HEAT selection remote controller to the master outdoor unit for the batch
control.
Set the DS1-1 on the PC board of master outdoor unit for the batch control.
While in "Setting mode 1", set an outdoor unit to give an option between COOL and HEAT to
the master unit for the batch control, and other outdoor units to the slave units for the batch
control.
and .
Si39-407
Test Operation