Precautions for Setting Cooling/Heating Selection Eligibility
• The cooling/heating selection eligibility needs to be set for a single remote controller in the
following case.
(Cooling/Heating selected operation system) (Cooling/Heating simultaneous operation system)
Indoor unit Indoor unit
A number of indoor units are
connected to a single outdoor unit.
Set the cooling/heating/fan selection
eligibility in one of the remote controllers.
A single BS unit is connected to a
number of indoor units.
Set the cooling/heating/auto/fan selection
eligibility in one of the remote controllers.
BS unit:
The BS unit is used for cooling or
heating mode selection.
Key Lock
Operation Method
Make settings and cancel settings in the basic screen.
1
Cool
Set to
Cool
28°C
Basic screen
•
Continue pressing Menu/Enter button for at least
4 seconds. (During backlight lit)
2
Cool
Set to
Cool
28°C
• " " will appear.
All buttons are disabled when the keys are locked.
• To cancel the key lock mode, continue pressing
Menu/Enter button for at least 4 seconds. (During
backlight lit)
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