Daikin Super Multi NX B series Service Manual

Contents

Daikin Super Multi NX B series Service Manual Manual pdf 300 page image

Si12-308Drawings & Flow Charts vDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsAanti-icing function in other rooms ..........................206automatic air flow control ........................................77automatic operation.................................................79auto-swing...............................................................76Bbuzzer PCB .............................................................66Ccapacitor voltage check.........................................214compressor lock ....................................................185compressor overload.............................................184compressor protection function ...............................95control PCB .......................................... 67, 69, 71, 72control PCB (indoor unit).........................................66cooling / heating mode lock...................................110CT or related abnormality......................................193DDC fan lock............................................................186defrost control .........................................................99discharge pipe control .............................................96discharge pipe temperature control.......................191discharge pressure check .....................................212display PCB.......................................... 66, 68, 69, 71Eelectrical box temperature rise ..............................197electronic expansion valve check..........................208electronic expansion valve control ........................100Ffan motor (DC motor) or related abnormality ........176fan motor connector output check.........................207four way valve abnormality....................................189four way valve performance check........................209freeze-up protection control ........................... 97, 182freeze-up protection control orhigh pressure control .....................................174frequency control.....................................................93frequency principle ..................................................74function of thermistor...............................................88cooling only model ............................................90heat pump model ..............................................88Hheating peak-cut control..........................................97home leave operation..............................................83Iindoor unit PCB abnormality .................................173input current control ................................................96input over current detection...................................187installation condition check ...................................211insufficient gas ..................................................... 203insufficient gas control.......................................... 105intelligent eye ......................................................... 81intelligent eye sensor PCB ..................................... 66inverter features ..................................................... 75inverter powerful operation..................................... 84inverter units refrigerant system check................. 213Llimit switch continuity check ................................. 207location of operation lamp .................................... 166low Hz high pressure limit ...................................... 99low-voltage detection ........................................... 205Mmain circuit electrolytic capacitor check ............... 215main structual parts ................................................ 87mode hierarchy ...................................................... 92Nnight set mode........................................................ 80OOL activation ........................................................ 184on/off button on indoor unit .................................... 85outdoor unit fan system check(with DC motor) ............................................. 212output over current detection ............................... 201PPCB ........................................................................ 63PCB detail .............................................................. 64piping diagrams .................................................... 262position sensor abnormality ................................. 192power supply PCB............................................ 68, 70power supply waveforms check ........................... 213power transistor check ......................................... 214priority room setting.............................................. 109programme dry function ......................................... 78Rradiation fin temperature rise ............................... 199Sshutter drive motor /shutter limit switch abnormality ..................... 179signal receiver PCB.................................... 66, 68, 71signal transmission error(between indoor and outdoor units) .............. 180Ttarget discharge pipe temperature control ........... 103thermistor or related abnormality(indoor unit) ................................................... 178

/ 302

Related manuals for Daikin Super Multi NX B series