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English
Basic Operation
When the master indoor
unit is set to
The other indoor units in the system can be set to
Cool
Dry
Heat
Fan
Cool mode
Dry mode
Heat mode
Fan mode
Auto mode (Cooling operation)
Auto mode (Heating 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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11/8/2010 8:38:59 PM
11/8/2010 8:38:59 PM