Daikin FDMQ12RVJU Operation Manual page 7

COOL/HEAT mode lock
The COOL/HEAT mode lock requires initial programing 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
The priority room setting requires initial programing 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
COOL or DRY or FAN
HEAT
AUTO
Priority when OUTDOOR UNIT QUIET operation is used
(Function unavailable in the FDMQ series)
[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.
English
Status of room B, C and D when the unit in room A is in COOL operation
The current operation mode is maintained.
The unit enters the standby mode. Operation resumes when the room A unit stops operating.
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.
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