Key Lock - Daikin BRC1E72 Mode D'emploi

Basic Operation
Precautions for Selecting the Cool / Heat Changeover Master Indoor Unit
● The cool/heat changeover master must be set for a single indoor unit in the following applications
(2-Pipe Heat Pump System)
A number of indoor units are
connected to a single outdoor unit.
Set any one of the indoor units as the
cool/heat changeover master.

Key Lock

Operation
Confirm and cancel Key Lock settings in the basic display screen.
1
Cool
Set to
74
Return Setting
Basic screen
2
Cool
Set to
74
Return Setting
18
Indoor unit
● Press the Menu/OK button for at least
four seconds while the backlight is
illuminated.
F
" ● " is displayed.
All buttons are disabled when the keys
are locked.
F
● To cancel the key lock mode, continue
pressing Menu/OK button for at least
four seconds while the backlight is
illuminated.
(3-Pipe Heat Recovery System)
Branch Selector unit:
The Branch Seletor unit is used for
cooling or heat mode selection.
A number of indoor units are connected
to a single Branch Selector unit.
Set any one of the indoor units as the
cool/heat changeover master.
Indoor unit
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