Daikin BRC1E71 - Key Lock

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