Hitachi PSC-A32MN Installation And Operation Manual page 29

Operation
2 Select "Sub Unit Register" on the screen of "Group Register".
(2)
3 Select the group for registration of the sub unit.
Tap buttons "<" and ">" on the upper left of the touchscreen to switch the block display.
Select a group by tapping it. The selected button is highlighted with an orange outline.
If the selected group button is tapped again, the selection is cancelled.
The main unit cannot be selected if the group is unregistered (shown in grey).
The sub unit register screen may be different depending on the control pattern. The screen below shows the setting of control
patterns when pattern A (4 blocks with 8 groups each) is selected.
(3)
4 Select the indoor unit for registration of the sub unit.
Tap buttons "<" and ">" on the upper right of the touchscreen to switch the display of indoor units.
The numbers shown inside the buttons indicate refrigerant cycle number and indoor unit address.
Select an indoor unit button by tapping it. The selected button is highlighted with an orange outline. If the selected indoor unit
button is tapped again, the indoor unit selection is cancelled.
An indoor unit which has been already registered as main unit cannot be selected (its button appears in blue).
5 Tap "Register" to register the sub units while the group and indoor units are selected.
If the group and indoor units for the sub units are not selected, the "Register" indication is greyed out and therefore cannot be
tapped.
The colour of the buttons of the registered group and the indoor unit changes to purple.
21 PMML0332A rev.0 - 05/2015