Daikin RXYQ5-48MAY1 Service Manual page 160

Si39-407
Setting of COOL/HEAT selection in a batch of outdoor unit system by each outdoor unit external
control adapter with the use of COOL/HEAT centralized remote controller
Test Operation
Mount the outdoor unit external control adapter (optional part) to OUT-OUT, IN-OUT, or IN-
IN transmission line.
While in "Setting mode 1", set all outdoor units to Batch slave.
Set the SS1 of the outdoor unit external control adapter to Batch (factory set) or Cool, and
the SS2 to ON.
Position the DS2/DS1 of the outdoor unit external control adapter in relation to COOL/HEAT
batch address of the outdoor unit PC board while in "Setting mode 2". (Be noted that
addresses are all set to "0" at factory.)
Multi outdoor units connection
Field Setting
149