Daikin FTXV25AV1B Service Manual page 40

Function and Control
SiK011003
④ Swing function is available only when swing function is set and IDU fan motor is operating.
1.2.3.8 Memory function
① Power failure in unit ON status
◆ Memorized items: unit ON status, mode, up & down swing, light, set temperature, set fan speed, general timer and Fahrenheit/ Celsius.
◆ General timer will be memorized and the timer time will be recalculated after re-energizing.
② Power failure in unit OFF status
◆ Memorized items: unit OFF status, mode, up & down swing, light, set temperature, set fan speed, general timer and Fahrenheit/
Celsius.
◆ General timer will be memorized and the timer time will be recalculated after re-energizing.
1.2.3.9 Compulsory defrosting function
① Start up compulsory defrosting function
Under ON status, set heating mode with remote controller and adjust the temperature to 16℃ . Press "+, -, +, -, +,-" button successively
within 5s and the complete unit will enter into compulsory defrosting status. Meanwhile, heating indicator on indoor unit will ON 10s and
OFF 0.5s successively. (Note: If complete unit has malfunction or stops operation due to protection, compulsory defrosting function can
be started up after malfunction or protection is resumed.
① Exit compulsory defrosting mode
After compulsory defrosting is started up, the complete unit will exit defrosting operation according to the actual defrosting result, and the
complete unit will resume normal heating operation.
1.2.3.10 Refrigerant recycling function (applicable when changing installation location or in maintenance)
① Enter refrigerant recycling function
Within 5min after energizing (unit ON or OFF status is ok), continuously press LIGHT button for 3 times within 3s to enter refrigerant
recycling mode; Fo is displayed and refrigerant recycling function is started. At this moment, the maintenance people closes liquid valve.
After 5min, stick the thimble of maintenance valve with a tool. If there is no refrigerant spraying out, close the gas valve immediately and
then turn off the unit to remove the connection pipe.
② Exit refrigerant recycling function
After entering refrigerant recycling mode, when receive any remote control signal or enter refrigerant recycling mode for 25min, the unit
will exit refrigerant recycling mode automatically. If the unit is in standby mode before refrigerant recycling, it will be still in standby mode
after finishing refrigerant recycling; if the unit is in ON status before refrigerant recycling, it will still run in original operation mode.
1.2.3.11 Outdoor fan motor control function
① When turning off the unit by remote controller, unit stopping for protection, unit stopping as reaching the temperature point, the
compressor stops and outdoor fan motor stops after 1min.
② In fan mode, the outdoor fan motor stops.
③ After entering defrosting mode, the compressor stops and outdoor fan motor stops after 50s.
④ After finishing defrosting, the compressor restarts heating and outdoor fan motor starts operation 5s ahead.
⑤ Outdoor fan motor is DC motor and it will automatically adjust rotation speed according to ambient temperature.
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Function and Control