User Manual Daikin FTXS24LVJU Air Conditioner Cooling Area

Documents for Daikin FTXS24LVJU

Service Manual

For FTXS24LVJU. Also, The document are for others Daikin models: FTXS30LVJU, FTXS36LVJU, RKS30LVJU, RKS36LVJU, FTXS09LVJU, FDXS09LVJU, FTXS12LVJU, FDXS12LVJU, FTXS15LVJU, FTXS18LVJU, FTXS30LVJU, RXS09LVJU, RXS12LVJU, RXS15LVJU, RXS18LVJU, RXS24LVJU, RXS30LVJU, RXS36LVJU

• List Of Functions11
  • Functions12
    • FTXS Series12
    • FDXS Series14
• Specifications15
  • Specifications16
    • FTXS Series16
    • FDXS Series21
• Printed Circuit Board Connector Wiring Diagram22
  • Indoor Unit23
    • FTXS09/12LVJU23
    • FTXS15/18/24/30/36LVJU26
    • FDXS09/12LVJU29
  • Outdoor Unit31
    • RXS09/12LVJU31
    • RXS15/18LVJU33
    • RXS24LVJU, RK(X)S30/36LVJU35
• Function And Control37
  • Main Functions38
    • Temperature Control38
    • Frequency Principle38
    • Airflow Direction Control (FTXS Series)40
    • Fan Speed Control For Indoor Unit42
    • Program Dry Operation43
    • Automatic Operation44
    • Thermostat Control45
    • NIGHT SET Mode46
    • ECONO Operation47
    • INTELLIGENT EYE Operation (FTXS Series)48
    • Inverter POWERFUL Operation49
    • Other Functions50
  • Function Of Thermistor51
  • Control Specification52
    • Mode Hierarchy52
    • Frequency Control53
    • Controls At Mode Changing / Startup55
    • Discharge Pipe Temperature Control56
    • Input Current Control57
    • Freeze Up Protection Control58
    • Heating Peak Cut Control58
    • Outdoor Fan Control59
    • Liquid Compression Protection Function59
    • Defrost Control60
    • Electronic Expansion Valve Control61
    • Malfunctions64
• Operation Manual65
  • System Configuration66
  • FTXS Series67
    • Remote Controller67
    • AUTO · DRY · COOL · HEAT · FAN Operation69
    • Adjusting The Airflow Direction And Rate71
    • COMFORT AIRFLOW / INTELLIGENT EYE Operation74
    • POWERFUL Operation76
    • OUTDOOR UNIT QUIET Operation77
    • ECONO Operation78
    • OFF TIMER Operation79
    • ON TIMER Operation80
    • WEEKLY TIMER Operation81
  • FDXS Series87
    • Remote Controller87
    • AUTO · DRY · COOL · HEAT · FAN Operation89
    • Adjusting The Airflow Rate91
    • POWERFUL Operation92
    • OUTDOOR UNIT QUIET Operation93
    • ECONO Operation94
    • OFF TIMER Operation95
    • ON TIMER Operation96
• Service Diagnosis97
  • Troubleshooting With LED99
    • Indoor Unit99
    • Outdoor Unit99
  • Problem Symptoms And Measures100
  • Service Check Function101
  • Troubleshooting104
    • Error Codes And Description104
    • Indoor Unit PCB Abnormality105
    • Freeze Up Protection Control Or Heating Peakcut Control107
    • Fan Motor Or Related Abnormality109
    • Thermistor Or Related Abnormality (Indoor Unit)113
    • Refrigerant Shortage114
    • Lowvoltage Detection Or Overvoltage Detection117
    • Signal Transmission Error (between Indoor Unit And Outdoor Unit)119
    • Signal Transmission Error On Outdoor Unit PCB (24/30/36 Class Only)121
    • Unspecified Voltage (between Indoor Unit And Outdoor Unit)122
    • Outdoor Unit PCB Abnormality123
    • OL Activation (Compressor Overload)125
    • Compressor Lock126
    • DC Fan Lock127
    • Input Overcurrent Detection128
    • Four Way Valve Abnormality129
    • Discharge Pipe Temperature Control131
    • High Pressure Control In Cooling133
    • Compressor System Sensor Abnormality135
    • Position Sensor Abnormality138
    • DC Voltage / Current Sensor Abnormality (09/12 Class Only)141
    • CT Or Related Abnormality (24/30/36 Class Only)142
    • Thermistor Or Related Abnormality (Outdoor Unit)144
    • Electrical Box Temperature Rise146
    • Radiation Fin Temperature Rise148
    • Output Overcurrent Detection150
  • Check152
    • Thermistor Resistance Check152
    • Fan Motor Connector Output Check153
    • Hall IC Check153
    • Power Supply Waveforms Check154
    • Electronic Expansion Valve Check154
    • Four Way Valve Performance Check155
    • Inverter Units Refrigerant System Check155
• “Inverter Checker” Check156
• Removal Procedure165
  • Indoor Unit: FTXS09/12LVJU167
    • Removal Of Air Filters167
    • Removal Of Front Panel169
    • Removal Of Front Grille170
    • Removal Of Horizontal Blades / Vertical Blades172
    • Removal Of Electrical Box176
    • Removal Of PCBs180
    • Removal Of Swing Motors186
    • Removal Of Indoor Heat Exchanger190
    • Removal Of Fan Motor193
  • Indoor Unit: FTXS15/18/24LVJU196
    • Removal Of Air Filters / Front Panel196
    • Removal Of Front Grille199
    • Removal Of Electrical Box202
    • Removal Of PCBs206
    • Removal Of Horizontal Blades / Swing Motors215
    • Removal Of Indoor Heat Exchanger223
    • Removal Of Fan Motor / Fan Rotor227
    • Removal Of Vertical Blade ASSYs230
  • Indoor Unit: FTXS30/36LVJU231
    • Removal Of Air Filters / Front Panel231
    • Removal Of Front Grille234
    • Removal Of Electrical Box238
    • Removal Of PCBs242
    • Removal Of Horizontal Blades / Swing Motors251
    • Removal Of Fan Motor260
    • Removal Of Indoor Heat Exchanger264
    • Removal Of Fan Rotor268
    • Removal Of Vertical Blade ASSYs270
  • Outdoor Unit: RXS09/12LVJU271
    • Removal Of Outer Panels / Fan Motor271
    • Removal Of Electrical Box280
    • Removal Of PCBs283
    • Removal Of Reactor / Partition Plate291
    • Removal Of Sound Blankets293
    • Removal Of FourWay Valve295
    • Removal Of Compressor298
  • Outdoor Unit: RXS15/18LVJU300
    • Removal Of Outer Panels300
    • Removal Of Outdoor Fan / Fan Motor303
    • Removal Of Electrical Box307
    • Removal Of PCBs318
    • Removal Of Sound Blankets / Thermistors326
    • Removal Of FourWay Valve330
    • Removal Of Electronic Expansion Valve331
    • Removal Of Compressor333
  • Outdoor Unit: RXS24LVJU336
    • Removal Of Outer Panels336
    • Removal Of Electrical Box350
    • Removal Of PCBs354
    • Removal Of Fan Motor357
    • Removal Of Coils / Thermistors358
    • Removal Of Sound Blankets361
    • Removal Of Compressor364
  • Outdoor Unit: RKS30/36LVJU, RXS30/36LVJU366
    • Removal Of Outer Panels366
    • Removal Of Electrical Box377
    • Removal Of PCBs381
    • Removal Of Fan Motor384
    • Removal Of Coils / Thermistors385
    • Removal Of Sound Blankets388
    • Removal Of Compressor390
• Trial Operation And Field Settings392
  • Pump Down Operation393
  • Forced Cooling Operation394
  • Trial Operation396
  • Field Settings397
    • Model Type Setting397
    • Temperature Display Switch397
    • When 2 Units Are Installed In 1 Room398
    • Facility Setting Jumper And Switch (Cooling At Low Outdoor Temperature)399
    • Jumper Settings400
  • Application Of Silicon Grease To A Power Transistor And A Diode Bridge401
• Appendix402
  • Piping Diagrams403
    • Indoor Unit403
    • Outdoor Unit406
  • Wiring Diagrams409
    • Indoor Unit409
    • Outdoor Unit411