Daikin Sky Air Advance RZA200D7Y1B Service Manual page 5

RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A - 2020.05
3.3 Current sensor ................................................................................................................................................................ 65
3.3.1 Checking procedures ...................................................................................................................................... 65
3.3.2 Repair procedures .......................................................................................................................................... 66
3.4 Expansion valve............................................................................................................................................................... 68
3.4.1 Checking procedures ...................................................................................................................................... 68
3.4.2 Repair procedures .......................................................................................................................................... 70
3.5 Fan inverter PCB.............................................................................................................................................................. 74
3.5.1 Checking procedures ...................................................................................................................................... 74
3.5.2 Repair procedures .......................................................................................................................................... 78
3.6 High pressure switch....................................................................................................................................................... 78
3.6.1 Checking procedures ...................................................................................................................................... 78
3.6.2 Repair procedures .......................................................................................................................................... 80
3.7 Inverter PCB .................................................................................................................................................................... 81
3.7.1 Checking procedures ...................................................................................................................................... 81
3.7.2 Repair procedures .......................................................................................................................................... 89
3.8 Low pressure switch ....................................................................................................................................................... 91
3.8.1 Checking procedures ...................................................................................................................................... 91
3.8.2 Repair procedures .......................................................................................................................................... 92
3.9 Main PCB ......................................................................................................................................................................... 95
3.9.1 Checking procedures ...................................................................................................................................... 95
3.9.2 Repair procedures .......................................................................................................................................... 98
3.10 Noise filter PCB ............................................................................................................................................................... 101
3.10.1 Checking procedures ...................................................................................................................................... 101
3.10.2 Repair procedures .......................................................................................................................................... 105
3.11 Outdoor unit fan motor .................................................................................................................................................. 107
3.11.1 Checking procedures ...................................................................................................................................... 107
3.11.2 Repair procedures .......................................................................................................................................... 108
3.12 Plate work ....................................................................................................................................................................... 111
3.12.1 To open the outdoor unit............................................................................................................................... 111
3.12.2 To remove the top plate................................................................................................................................. 112
3.12.3 To remove the front plate.............................................................................................................................. 112
3.12.4 To remove the compressor sound insulation ................................................................................................ 112
3.12.5 To remove the switch box .............................................................................................................................. 113
3.12.6 To install the switch box................................................................................................................................. 116
3.12.7 To access the back side of the switch box ..................................................................................................... 119
3.13 Reactor ............................................................................................................................................................................ 121
3.13.1 Checking procedures ...................................................................................................................................... 121
3.13.2 Repair procedures .......................................................................................................................................... 122
3.14 Solenoid valve ................................................................................................................................................................. 122
3.14.1 Checking procedures ...................................................................................................................................... 122
3.14.2 Repair procedures .......................................................................................................................................... 124
3.15 Thermistors ..................................................................................................................................................................... 128
3.15.1 Refrigerant side thermistors .......................................................................................................................... 128
4 Third party components
4.1 Electrical circuit............................................................................................................................................................... 135
4.1.1 Checking procedures ...................................................................................................................................... 135
4.1.2 Repair procedures .......................................................................................................................................... 137
4.2 Refrigerant circuit ........................................................................................................................................................... 137
4.2.1 Checking procedures ...................................................................................................................................... 137
4.2.2 Repair procedures .......................................................................................................................................... 142
4.3 External factors ............................................................................................................................................................... 147
4.3.1 Checking procedures ...................................................................................................................................... 147
5 Maintenance
5.1 To clean the outdoor unit heat exchanger..................................................................................................................... 149
6 Technical data
6.1 Detailed information setting mode ................................................................................................................................ 150
6.1.1 Detailed information setting mode: Outdoor unit ........................................................................................ 150
6.2 Wiring diagram................................................................................................................................................................ 151
6.2.1 Wiring diagram: Outdoor unit........................................................................................................................ 151
6.2.2 Wiring diagram: Indoor unit........................................................................................................................... 155
6.3 Piping diagram ................................................................................................................................................................ 156
6.3.1 Piping diagram: Outdoor unit......................................................................................................................... 156
6.3.2 Piping diagram: Indoor unit............................................................................................................................ 157
6.4 Component overview...................................................................................................................................................... 158
6.4.1 Component overview: Outdoor unit.............................................................................................................. 158
6.4.2 Component overview: Indoor unit................................................................................................................. 160
6.5 Wiring overview .............................................................................................................................................................. 161
Table of Contents
135
149
150
Service manual
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