Mitsubishi Electric AT-50B Instruction Book page 49

• When accessing the settings that are locked,
• The settings that can be locked or unlocked depend on the type of group.
1 ON/OFF
2 Mode
3 Set Temperature
4 Maintenance Sign
(Filter sign/Check Water sign) reset
5 Air Direction
6 Fan Speed
7 Timer
*1 [Air Direction], [Fan Speed], and [Timer] may not be displayed, depending on the connected remote controller
or unit model.
1. Touch the 3 Prohibit Remote Controller button on the [Restriction Settings].
2. Read the pop-up message, and touch the OK button to confirm.
3. Touch the 2 Group button to select the groups and change their
settings.
4. Touch the 3 Edit button.
5. When the groups selected in step 3 include two or more unit types
(Air conditioners, LOSSNAY, or Air To Water (PWFY)), the unit
type selection screen appears. Select the unit type to be operated.
(The unit type marked
6. Use the buttons labeled 4 in the pop-up window at right to lock or
unlock access to each item.
7. Touch the 5 OK button to save the settings.
• The screen will always display the latest prohibit/permit status. If an
event takes place that changes the prohibit/permit status of a specific
item, the screen display will be updated. (The mark will appear or
disappear.)
• When this function is in use (or the "Operation Prohibition Setting" is
set to "Enabled"), the buttons on AT-50B cannot be disabled from the
system controller.
Indoor unit groups
cannot be selected.)
will appear over the corresponding icons.
LOSSNAY groups
○ ○
○ ×
○ ×
○ ○
○ ×
*1
○ ×
*1
○ ×
*1
Air To Water (PWFY)
○
○
○
○
×
×
×
5
4
The display will change
as follows every time the
button is touched.
Locked → Unlocked
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