SiBE121021_C
RA Indoor Unit
Operation Manual
153
30
COOL/HEAT mode lock
NOTE
• The COOL/HEAT mode lock cannot be activated together with the priority room setting.
Priority room setting
Operation mode priority
[Example]
Operation mode in room B, C and D
Status of room B, C and D when the unit in room A is in COOL operation
COOL or DRY or FAN
Current operation mode maintained
HEAT
The unit enters standby mode. Operation resumes when the room A unit stops operating.
AUTO
Priority when POWERFUL operation is used
[Example]
Priority when using OUTDOOR UNIT QUIET operation
[Example]
The COOL/HEAT mode lock requires initial programming during installation. Please consult your authorized dealer for
assistance. The COOL/HEAT mode lock sets the unit forcibly to either COOL or HEAT operation. This function is convenient
when you wish to set all indoor units connected to the multi system to the same operation mode.
• As the operation mode of the priority room takes precedence, the user can select a different operation mode from other
rooms.
If the unit is set to COOL operation, it continues. If the unit is set to HEAT operation, it enters
standby mode. Operation resumes when the room A unit stops operating.
The priority room setting requires initial programming during installation. Please consult your authorized dealer for assistance.
The room designated as the priority room takes priority in the following situations.
• Room A is the priority room in the examples.
When COOL operation is selected in room A while operating the following modes in room B, C and D :
• Room A is the priority room in the examples.
The indoor units in rooms A, B, C and D are all operating. If the unit in room A enters POWERFUL operation, operation
capacity will be concentrated in room A. In such a case, the cooling (heating) efficiency of the units in room B, C and D
may be slightly reduced.
• Room A is the priority room in the examples.
Just by setting the unit in room A to QUIET operation, the air conditioner starts OUTDOOR UNIT QUIET operation.
You don’t have to set all the operated indoor units to QUIET operation.
3P255639-1