SiBE121135 RA Indoor Unit
Operation Manual 217
Note for Multi System
See “Priority room setting”.
NOTE
As the operation mode of the priority room takes precedence, the user can select a different operation mode from other rooms.
* Room A is the priority room in the examples.
〈Example〉
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.
〈Example〉
* Room A is the priority room in the examples.
〈Example〉
• The COOL/HEAT mode lock cannot be activated together with the priority room setting.
Current operation mode maintained
HEAT
AUTO
OUTDOOR UNIT QUIET operation
Priority room setting
When using the OUTDOOR UNIT QUIET operation feature with the Multi system, set all indoor
units to OUTDOOR UNIT QUIET operation using their remote controllers.
When clearing OUTDOOR UNIT QUIET operation, clear one of the operating indoor units using their remote controller.
However OUTDOOR UNIT QUIET operation display remains on the remote controller for other rooms.
We recommend you release all rooms using their remote controllers.
1. With the priority room setting present but inactive or not present.
2. With the priority room setting active.
1. Operation mode priority.
2. Priority when POWERFUL operation is used.
3. Priority when using OUTDOOR UNIT QUIET operation.
COOL/HEAT mode lock
(Available only for heat pump models)
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.
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 rooms B, C and D may be slightly reduced.
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.
The priority room setting requires initial programming during installation. Please consult your retailer or dealer for assistance.
The room designated as the priority room takes priority in the following situations;
Operation mode in
room B, C and D
COOL or DRY or FAN
Status of room B, C and D when the unit
in room A is in COOL operation
The unit enters standby mode. Operation resumes when
the room A unit stops operating.
If the unit is set to COOL operation, it continues. If set to
HEAT operation, it enters standby mode. Operation
resumes when the room A unit stops operating.
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