20
Precautions for Setting Cool/Heat Selection Eligibility
• The cool/heat selection eligibility needs to be set for a single remote controller in the following
case.
(Heat Pump System) (Heat Recovery System)
Indoor unit Indoor unit
A number of indoor units are
connected to a single outdoor unit.
Set the Cool/Heat/Fan mode selection
eligibility in one of the remote controllers.
A number of indoor units are
connected to a single BS unit.
Set the Cool/Heat/Auto/Fan mode selection
eligibility in one of the remote controllers.
BS (Branch Selector) unit:
The BS unit is used for cool or
heat mode selection.
Key Lock
Operation
Make settings and cancel settings in the Basic screen.
1
Cool
Basic screen
•
Continue pressing Menu/Enter button for at least
4seconds. (During backlight lit)
2
Cool
• “ ” will appear.
All buttons are disabled when the keys are locked.
• To cancel the Key lock, continue pressing
Menu/Enter button for at least 4seconds. (During
backlight lit)
Set to
28°C
Set to
28°C