Mitsubishi Electronics TC-24A ①GRID screen button, ⑪Group button, ②LIST screen button

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GRID screen button

Displays the GRID screen.

Group button

Switches the group to be displayed.

LIST screen button

Displays the LIST screen.

Mode button

Switches the operation mode of the air conditioning units and LOSSNAY.

GROUP screen button

Displays the GROUP screen.

MAIN MENU screen button

Displays the MAIN MENU screen.

Group icon (operation status display) button

Operation differs depending on the operation mode. Operation mode 1

Turns ON/OFF the units in the group whose Group icon is touched.

Operation mode 2

Switches the Group icon between Selected (checked) and Deselected (unchecked). (Default) Displays the check mark when Group icon is touched.

Operation mode 3

Directly moves to the Group screen of the group whose Group icon is touched.

GRID (zoom-out/zoom-in) screen button

: Displays the zoom-out screen. : Displays the zoom-in screen.

Set temperature button

Adjusts the set temperature by using the + and – buttons. Current room temperature appears above the button. Set temperature appears between the + and – buttons.

HOLD button

Enables/Disables the hold function for the displayed

groups. Icon appears while the hold function is enabled.

Interlocked ventilation (LOSSNAY)/

Air direction/Fan speed/Louver setting button

Displays the popup window of Interlocked ventilation (LOSSNAY)/Air direction/Fan speed/ Louver setting screen.

*Refer to P23 "Interlocked ventilation (LOSSNAY)/ Air direction/Fan speed/Louver setting" for the popup window.

ON/OFF button

Changes the operation to ON/OFF.

Select All button

Selects/Deselects groups collectively. Adds check marks to all selected icons.

Move-to-the-selected-group button

Moves to the GROUP screen of the selected group. Moves to the Multiple group selection screen when multiple groups are selected. Refer to P25 "Multiple group selection screen" for details.

Page button

Flips through pages.

Display selection button

Shows/Hides the display for the information below.

Set temperature

Scheduled operation is enabled.

Hold function is enabled.

Set temperature button (SETBACK mode)

Displays the popup window to adjust the set temperature during the SETBACK mode.

Current room temperature appears above the button. Set temperature appears on the button.

Refer to P22 "Temperature setting" for details.

Fan speed selection button

Switches LOSSNAY fan speed between Lo and High.

1Current time

Displays the current time.

2Current page/Total pages

Displays the Current page/Total page number.

Note: Depending on the units to be controlled and TC-24A settings, available button operations and displays vary. : While the icon is displayed on the button, the operation is locked.

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Contents TC-24A General precautions Safety PrecautionsPrecautions for moving or repairing the controller Function Description Function ListScreen Function List contd Screen Names and Functions of Controller Components Touch panel / Buttons How to move to the Main Menu screen How to switch the Home screen How to move to the Maintenance screen Zoom-out screen To the Grid Zoom-in screenTo the Group To the LISTscreen screen List screenButtons Home screen Operation mode⑰Set temperature button Setback mode ⑬Set temperature button①GRID screen button ⑪Group buttonIcon Displays Home screen General equipment icon Interlocked ventilation LossnaySet temperature Group No Mode ErrorError Filter sign Fan speed LouverGeneral equipment icon Fan speed displayLossnay group General equipment groupScreen selection Basic OperationsGrid zoom-out screen Grid zoom-in screen List screen Group selection During receiving the external input signalON/OFF operation Basic Operations contdOperating the Air conditioning unit group Basic operations Group screenTouch Setback modeWhile the setback operation is performed Fan speed useable only while the unit is in operation After setting a through D , touch the OK buttonAir direction useable only while the unit is in operation Louver useable only while the unit is in operationFan speed setting Hold Function SettingMode Operating the General equipment groupLock Buttons Multiple group selection screen① Home button Menu Screen Button SettingsTime and Schedule Setting the date, time, and display format Usage Main Menu SettingsTime and Schedule screen Main Menu Time and ScheduleSchedule setting flowchart Setting the operation scheduleSet Schedule screens Time and Schedule screen contd Schedule Setting ProceduresButton to access the Edit Pattern screen Copying, pasting, deleting, and inserting settings Deleting selected settings Copying and pasting the existing settingsIcon Definitions Inserting an eventMain Menu Time and Schedule Check Current Settings Checking the Weekly/One Day Schedule Settings① Enable/Disable Lock button Restrictions SettingsSave To lock or unlock buttons To logTo temporarily unlock all items Lockable functions and the corresponding buttonsEdit Restrictions Settings contdGroup Page ① Show Group Name List button Select All buttonLocked → Unlocked Control Panel To select the temperature unitTo select the display language To set the backlight timeout time To show or hide the room temperatureTo change the group name Control Panel contdTo enter a character string Character input screenTo select the groups on which to execute SET Back function Controller button settingsTo select the groups on which to execute the Hold function Operation mode 2 defaultShow Group Name List button To adjust the volume Adjusting the volume and brightnessTo adjust the brightness Main Menu Control Panel Touch Panel Calibration Calibrating the touch panelTo check the error Checking or resetting the Error or Filter SignTo reset the error System ManagementTo reset the Filter Sign after cleaning the filter System Management contd Using the System-Changeover functionOperation mode Touch Panel Cleaning screen MaintenanceTo clean the touch panel Solution TroubleshootingWT05827X01