5
GB
Item
Specification
Indoor unit
Maximum 16 (maximum 8 groups)
Number of indoor
units in one group
0 to 16
Number of remote
controllers in one group
0 to 2
Number of system
0 to 4 (including the number of remote controller in one group)
controllers in one group 0 to 3 for which have one remote controller.
Number of indoor units
interlocked with one
ventilation unit.
*1 Master system controllers and slave system controller
NOTE: It is not possible to set the master and slave settings with more than one group remote
controller and control the same groups. Also, the groups listed below cannot be set.
• Unit group which are not under the management of the master controller and are managed by the
slave system controller.
• A common group is managed by more than two master controllers.
• A slave system controller which exceeds the management range of the master system controller of
two or more.
System control
Number
of control
unit
0 to 16 (some type of ventilation unit can be only operate when inter-
locked to a maximum of 9 units)
When using a system consisting only of PAC-
SC30GRA.
PAC-SC30GRA is set as the master system
controller. In this case, the group settings are
performed with PAC-SC30GRA.
When using a system where PAC-SC30GRA is
controller by a different system controller.
PAC-SC30GRA is set as the slave system
controller. In this case, the group settings are
not performed with PAC-SC30GRA.
Unit
Unit
Unit
Management range
of PAC-SC30GRA
Management range of the
master system controller
Management range of
PAC-SC30GRA
Master system
controller
Slave system
controller
Group
Group
Master system
controller 1
Master system
controller 2
Group
Group
Group
Group
Master system
controller 1
Slave system controller
Master system
controller 2
Group
Group
Group
Group
