Daikin FTYN25DV3B ATY20DV2 Service Manual

Contents

Daikin FTYN25DV3B ATY20DV2 Service Manual Manual pdf 127 page image

SiBE01-503Drawings & Flow Charts iiiDrawings & Flow ChartsAair flow rate control.................................................15automatic operation ...............................................17auto-swing..............................................................14Ccompressor protection function..............................23control PCB............................................................11Ddefrost control ........................................................25diagnosis mode......................................................55Ffan motor or related abnormality ............................61freeze-up protection control orhigh pressure control ......................................59HHall IC check..........................................................69heating peak-cut control.........................................24high pressure control in cooling .............................63Iindoor unit PCB abnormality ..................................58installation condition check ....................................68Jjumper settings.....................................................107Nnight set mode .......................................................19OON/OFF button on indoor unit................................21operation lamp, location.........................................52outdoor unit fan system check ...............................69Ppiping diagramsARY20DV2 ....................................................111ARY25DV2 ....................................................111ARY35DV2 ....................................................112ATY20DV2.....................................................110ATY25DV2.....................................................110ATY35DV2.....................................................110FTYN25DV3B................................................110FTYN35DV3B................................................110RYN25DV3B..................................................111RYN35DV3B..................................................111POWERFUL operation...........................................20programme dry function .........................................18pump down operation ..........................................106Ssignal receiver PCB............................................... 11Tthermistor .............................................................. 22thermistor or related abnormality (indoor unit) ...... 62thermistor or related abnormality (outdoor unit) .... 65thermistor resistance check .................................. 67thermostat control ................................................. 16trial operation from remote controller .................. 107Wwiring diagramsARY20DV2 ................................................... 113ARY25DV2 ................................................... 113ARY35DV2 ................................................... 114ATY20DV2.................................................... 113ATY25DV2.................................................... 113ATY35DV2.................................................... 113FTYN25DV3B............................................... 113FTYN35DV3B............................................... 113RYN25DV3B................................................. 113RYN35DV3B................................................. 113

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