Button operation
[
2
]
When the Service menu is selected, a window will appear asking for the pass-
word.
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.
Set each number (0 through 9) with the
F3
or
F4
button.
Then, press the button.
[
1
]
Select "Service" from the Main menu (refer to page 17), and press the
button.
*At the main display, the menu buttom and select "Service" to make the
maintenance setting.
Service
Maintenance password is required
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.
: If you forget your maintenance password, you can initialize the
password to the default password "9999" by pressing and holding
the
F1
and
F2
buttons simultaneously for three seconds on the
maintenance password setting screen.
[
3
]
If the password matches, the Service menu will appear.
The type of menu that appears depends on the connected
indoor units’ type (City Multi or Mr. Slim).
<For Mr.Slim> <For City Multi>
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.
A screen will appear that indicates the setting has been
saved.
Navigating through the screens
• To go back to the Main menu .................. button
• To return to the previous screen .............. button
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