Table Of Contents - Daikin FTXB50BV1B Service Manual

Table of Contents

1.0 Inverter Single Split ......................................................................................................1
1.1 Product line-up ........................................................................................................1
1.2 Printed Circuit board (PCB) connector wiring diagram ............................................2
1.3 Piping Length & Elevation .....................................................................................12
2.0 Function & Control .....................................................................................................13
2.1 Temperature Control ..............................................................................................13
2.2 Cooling and Heating Mode Operation ...................................................................13
2.3 Fan Mode ..............................................................................................................14
2.4 Auto Mode .............................................................................................................14
2.5 Cold Draft Prevention ............................................................................................15
2.6 Sleep Mode ...........................................................................................................15
2.7 ID-OD Communication ..........................................................................................15
2.8 Thermistors in ARXN/RXN_L/M, RXB_B ..............................................................16
2.9 Minimum Off Time Control .....................................................................................16
2.10 Auto Restart ........................................................................................................17
2.11 Auto Random Restart ..........................................................................................17
2.12 Four Way Valve Control .......................................................................................17
2.13 Outdoor Fan Control ............................................................................................18
2.14 Rotation Regulating Functions ............................................................................18
2.15 Defrost Cycle .......................................................................................................20
2.16 Indoor Coil Freeze Prevention .............................................................................20
2.17 High Pressure Protection .....................................................................................20
2.18 Discharge Pipe Temperature Control ..................................................................21
2.19 Oil Recovery Control (Applicable for ARXN/RXN_L) ...........................................21
2.20 Overall Current Control ........................................................................................22
3.0 Service Diagnosis.......................................................................................................23
3.1 Error Indication from Indoor ...................................................................................23
3.2 Error Indication from Outdoor ................................................................................24
3.3 Error code description for Inverter .........................................................................27
4.0 Wiring Connection ......................................................................................................54
5.0 Refrigerant Diagram ...................................................................................................57
6.0 Appendix A ..................................................................................................................58
Table of Contents