Basic Operations; Screen Selection; Group Selection - Mitsubishi Electric AT-50A Instruction Book

Basic Operations

Screen selection

GRID (zoom-out) screen appears at the initial startup.
Select the desired screen.
GRID (zoom-out) screen
1
GRID (zoom-in) screen
1
3
16
2
3
LIST screen
1
2
2
3

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:
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
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.
• Operation mode 1:
appears in the area marked 2.
Stops or starts the operation of the air conditioning units through 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.
* During receiving the external input signal
The ON/OFF function cannot operate when the following displays appear.
■Displays the emergency stop level-signal input*
When the group icon button is set to the operation mode 1
• Operation mode 3: Nothing appears in the area marked 2.
Moves to the Group screen by touching the Group icon 1.
appears in the area marked 2.
■Displays ON/OFF level-signal input
The button cannot
be operated.
2 to move to
17