Daikin Stylish Series - Page 5

Table of contents
Service manual
5
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
2.4 Front panel motor........................................................................................................................................................... 61
2.4.1 Checking procedures...................................................................................................................................... 61
2.4.2 Repair procedures .......................................................................................................................................... 62
2.5 High pressure switch....................................................................................................................................................... 63
2.5.1 Checking procedures...................................................................................................................................... 63
2.5.2 Repair procedures .......................................................................................................................................... 64
2.6 Humidity sensor .............................................................................................................................................................. 66
2.6.1 Checking procedures...................................................................................................................................... 66
2.6.2 Repair procedures .......................................................................................................................................... 66
2.7 Indoor unit fan motor ..................................................................................................................................................... 68
2.7.1 Checking procedures...................................................................................................................................... 68
2.7.2 Repair procedures .......................................................................................................................................... 68
2.8 Indoor unit PCB ............................................................................................................................................................... 71
2.8.1 Checking procedures...................................................................................................................................... 71
2.8.2 Repair procedures .......................................................................................................................................... 74
2.9 Intelligent thermal sensor............................................................................................................................................... 78
2.9.1 Checking procedures...................................................................................................................................... 78
2.9.2 Repair procedures .......................................................................................................................................... 78
2.10 Inverter PCB .................................................................................................................................................................... 79
2.10.1 Checking procedures...................................................................................................................................... 79
2.10.2 Repair procedures .......................................................................................................................................... 81
2.11 Main PCB ......................................................................................................................................................................... 81
2.11.1 Checking procedures...................................................................................................................................... 81
2.11.2 Repair procedures .......................................................................................................................................... 85
2.12 Outdoor unit fan motor .................................................................................................................................................. 89
2.12.1 RXA20~35A3+5 units ...................................................................................................................................... 89
2.12.2 RXA20~35A2 + class 42~50 units ................................................................................................................... 93
2.13 Plate work ....................................................................................................................................................................... 99
2.13.1 Outdoor unit ................................................................................................................................................... 99
2.13.2 Indoor unit ...................................................................................................................................................... 105
2.14 Reactor ............................................................................................................................................................................ 109
2.14.1 Checking procedures...................................................................................................................................... 109
2.14.2 Repair procedures .......................................................................................................................................... 110
2.15 Streamer unit .................................................................................................................................................................. 112
2.15.1 Checking procedures...................................................................................................................................... 112
2.15.2 Repair procedures .......................................................................................................................................... 112
2.16 Swing flap motor............................................................................................................................................................. 113
2.16.1 Main swing flap motor ................................................................................................................................... 113
2.16.2 Secondary swing flap motor........................................................................................................................... 116
2.17 Swing raster motor ......................................................................................................................................................... 118
2.17.1 Checking procedures...................................................................................................................................... 118
2.17.2 Repair procedures .......................................................................................................................................... 119
2.18 Thermistors ..................................................................................................................................................................... 119
2.18.1 Refrigerant side thermistors .......................................................................................................................... 119
2.18.2 Other thermistors........................................................................................................................................... 125
2.19 Wifi control PCB .............................................................................................................................................................. 129
2.19.1 Checking procedures...................................................................................................................................... 129
2.19.2 Repair procedures .......................................................................................................................................... 129
3 Third party components 131
3.1 Electrical circuit............................................................................................................................................................... 131
3.1.1 Checking procedures...................................................................................................................................... 131
3.1.2 Repair procedures .......................................................................................................................................... 132
3.2 Refrigerant circuit ........................................................................................................................................................... 133
3.2.1 Checking procedures...................................................................................................................................... 133
3.2.2 Repair procedures .......................................................................................................................................... 137
3.3 External factors ............................................................................................................................................................... 140
3.3.1 Checking procedures...................................................................................................................................... 140
3.3.2 Repair procedures .......................................................................................................................................... 141
4 Maintenance 142
4.1 To clean the outdoor unit heat exchanger..................................................................................................................... 142
4.2 To clean the indoor unit heat exchanger ....................................................................................................................... 142
4.3 To clean the air filters ..................................................................................................................................................... 142
5 Technical data 144
5.1 Detailed information setting mode ................................................................................................................................ 144
5.1.1 Detailed information setting mode: Indoor unit ........................................................................................... 144
5.1.2 Detailed information setting mode: Outdoor unit ........................................................................................ 144
5.1.3 Detailed information setting mode: Remote controller................................................................................ 144