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5. Service menu (Maintenance password is required.)
At the Main display, press the MENU 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.
If the password matches, the Service menu will appear.
(1) Test run
(2) Input maintenance Info.
(3) LOSSNAY setting
This setting is required only when the operation of City Multi units is interlocked with LOSSNAY units. Interlock settings can be made for
the indoor unit to which the remote controller is connected. (They can also be confirmed or deleted.)
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 and F2 buttons simultaneously for three
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.
Select "Test run" from the Service menu to bring up the Test run menu.
· Test run: Select this option to perform a test run.
· Drain pump test run: Select this option to perform a test run on the drain pump on the indoor unit.
Applicable only to the type of indoor units that support the test run function.
Note: Refer to the indoor unit Installation Manual for the detailed information about test run.
Select "Input maintenance Info." from the Service menu to bring up the Maintenance information
screen. Refer to the indoor unit Installation Manual for how to make the settings.
Note: The following settings can be made from the Maintenance Information screen.
•Registering model names and serial numbers
Enter the model names and serial numbers of outdoor and indoor units. The information
entered will appear on the Error information screen. Model names can have up to 18
characters, and the serial numbers can have up to 8 characters.
•Registering dealer information
Enter phone number of a dealer. The entered information will appear on the Error information
screen. Phone number can have up to 13 characters.
•Initializing maintenance information
Select the desired item to initialize the above settings.
Note:
• Use the centralized controller to make the settings if it is connected.
• To interlock the operation of the indoor units with the LOSSNAY units, be sure to interlock the addresses of ALL indoor
units in the group and that of the LOSSNAY unit.
[Button operation]
[1] When “Lossnay” on the Service
menu is selected, the remote
controller will automatically begin
searching for the registered
LOSSNAY addresses of the
currently connected indoor unit.
[2] When the search is completed,
the smallest address of the
indoor units that are connected
to the remote controller and the
address of the interlocked
LOSSNAY unit will appear. "--"
will appear if no LOSSNAY unit
is interlocked with the indoor
units.
If no settings need to be made, press the RETURN button to go
back to the Service menu.
Service menu
Cursor
Select: SELECT
Enter maintenance password
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