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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
74
F
Basic screen
Press the Menu/OK button for at least four
●
seconds. (While the backlight is
illuminated)
2
Cool
Return
Setting
Set to
Cool
74
F
“
●
” 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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8/27/2009 1:48:40 PM
8/27/2009 1:48:40 PM
Содержание BRC1E71
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