16
17
Basic Operations
Screen selection
GRID (zoom-out) screen appears at the initial startup.
Select the desired screen.
1
2
2
1
3
3
1
2
3
•
Operation mode 1:
appears in the area marked
2
.
Stops or starts the operation of the air conditioning units through Group icon
1
.
•
Operation mode 3: Nothing appears in the area marked
2
.
Moves to the Group screen by touching the Group icon
1
.
* ON/OFF operation lock
When AT-50A restricts its own ON/OFF operation, the icon above will appear. The ON/OFF
operation will be disabled.
■Displays the emergency stop level-signal input*
■Displays ON/OFF level-signal input
When the group icon button is set to the operation mode 1
Group selection
• Operation mode 1, 2, 3
When the Group icon
1
is touched, the action differs depending on the operation mode.
Operation mode consists of three modes (shown below), and default is set to the
operation mode 2. Refer to P41 for changing the mode.
• Operation mode 2:
appears in the area marked
2
.
Allows the user to select groups to be operated. Moves to the
Group screen.
Touch the Group icon
1
to select the group to be operated. Groups can be selected on
the GRID or the LIST screens.
Touch the Group icon
1
to switch between displaying check marks (selected) and hiding
check marks (deselected). Touch
3
to select all groups.
Touch the Group icons of the groups to be operated, and then touch
2
to move to
the Group screen.
The number of selected groups = 1 : The selected group appears on the Group screen.
Refer to P18 "Group screen" for details.
The number of selected groups > 1 : The Multiple group selection screen appears.
(The selected groups can be operated collectively.)
Refer to P23 "Multiple group selection screen" for details.
*
During receiving the external input signal
The ON/OFF function cannot operate when the following displays appear.
The button cannot
be operated.
GRID (zoom-out) screen
GRID (zoom-in) screen
LIST screen
