Daikin CTXM15M2V1B Operation Manual

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Daikin CTXM15M2V1B Operation Manual Manual pdf 31 page image

30Note for Multi SystemMulti system has one outdoor unit connected to multiple indoor units.■ Selecting the operation modeWith the priority room setting present butinactive or not present.When more than one indoor unit is operating, priority is given tothe first unit that was turned on.In this case, set the units that are turned on later to the sameoperation mode as the first unit.Otherwise, they will enter the standby state, and the OPERATIONlamp will flash: this does not indicate malfunction.NOTE■ Notes on operation mode for multi system• COOL, DRY and FAN operation may be used at the same time.• AUTO operation automatically selects COOL operation or HEAT operation based on the room temperature.Therefore, AUTO operation is available when selecting the same operation mode as that of the room with the first unit to be turned on.CAUTION• Normally, the operation mode in the room where the unit is first run is given priority, but the following situations are exceptions, so please keepthis in mind.If the operation mode of the first room is FAN operation, then using HEAT operation in any room after this will give priority to HEAT operation. Inthis situation, the air conditioner running in FAN operation will go on standby, and the OPERATION lamp will flash.With the priority room setting active.Refer to priority room setting on the next page.■ NIGHT QUIET mode (Available only for COOL operation)NIGHT QUIET mode requires initial programming during installation. Please consult your retailer or dealer for assistance.NIGHT QUIET mode reduces the operation noise of the outdoor unit during the nighttime hours to prevent annoyance toneighbors.• The NIGHT QUIET mode is activated when the temperature drops 5°C or more below the highest temperature recorded that day.Therefore, when the temperature difference is less than 5°C, this function will not be activated.• NIGHT QUIET mode reduces slightly the cooling efficiency of the unit.■ OUTDOOR UNIT QUIET operationRefer to OUTDOOR UNIT QUIET operation. Page 19With the priority room setting present but inactive or not present.When using the OUTDOOR UNIT QUIET operation feature with the multi system, set all indoor units to OUTDOOR UNITQUIET 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.With the priority room setting active.Refer to priority room setting on the next page.A room B roomC room D roomOutdoor unit