Operation setting menu
(1) Auto mode setting
[Button operation]
Whether or not to use the Auto (single set point) or Auto (dual set points)
mode can be selected by using the F3 or F4 button. This setting is valid
only when indoor units with the Auto mode function are connected.
(The factory setting is "Yes".)
Press the SELECT button to save the changes made.
• Yes: The Auto mode can be selected in the operation mode setting.
• No: The Auto mode cannot be selected in the operation mode setting.
(2) Setback mode setting
[Button operation]
If setback mode setting can be made on multiple units, make the setting
on one of the units only.
The Setback mode can be selected by using the F3 or F4 button.
(The factory setting is "Yes".)
Press the SELECT button to save the changes made.
• Yes: The Setback mode can be selected in the operation mode
setting.
• No: The Setback mode cannot be selected in the operation mode
setting.
11
Service menu
Note: Maintenance password is required.
At the Main display, press the Setting button and select "Service" to make the maintenance settings.
When the Service menu is selected, a window will appear asking for the password.
To enter the current maintenance password (4 numerical digits), move the cursor to the digit you want
to change with the F1 or F2 button, and set each number (0 through 9) with the F3 or F4 button. Then,
press the SELECT button.
Note: The initial maintenance password is "9999." Change the default password
as necessary to prevent unauthorized access. Have the password
available for those who need it.
Note: If you forget your maintenance password, you can initialize the password
to the default password "9999" by pressing and holding the F1 button for
ten seconds on the maintenance password setting screen.
Note: Air conditioning units may need to be stopped to make certain settings.
There may be some settings that cannot be made when the system is
centrally controlled.
– 22 –