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COOL/HEAT mode lock
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.
NOTE
• The COOL/HEAT mode lock cannot be activated together with the priority room setting.
Priority room setting (Not available on some models)
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.
Operation mode priority
• As the operation mode of the priority room takes precedence, you can select a different operation mode from other
rooms.
[Example]
• Room A is the priority room in this example.
When COOL operation is selected in room A while operating the following modes in room B, C and D:
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
The current operation mode is maintained.
HEAT
The unit enters the standby mode. Operation resumes when the room A unit stops operating.
AUTO
If the unit is set to COOL operation, it continues. If the unit is set to HEAT operation, it enters the
standby mode. Operation resumes when the room A unit stops operating.
Priority when SUPER POWERFUL / HEAT PLUS
operation is used
[Example]
• Room A is the priority room in this example.
The indoor units in rooms A, B, C and D are all operating. If the unit in room A enters SUPER POWERFUL / HEAT PLUS
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.
Priority when OUTDOOR UNIT QUIET operation is used
[Example]
• Room A is the priority room in this example.
Just by setting the unit in room A to QUIET operation, the air conditioner starts OUTDOOR UNIT QUIET operation.
You do not have to set all the indoor units in operation to OUTDOOR UNIT QUIET operation.
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Summary of Contents for CTKJ25RVMAS
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