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Table of Contents

1.0 Inverter Single Split ...................................................................................................... 1

1.1 Product line-up ........................................................................................................1

1.2 Printed Circuit board (PCB) connector wiring diagram ............................................ 4

1.3 Piping Length & Elevation .....................................................................................17

2.0 Function & Control .....................................................................................................18

2.1 Temperature Control ..............................................................................................18

2.2 Cooling and Heating Mode Operation ...................................................................18

2.3 Fan Mode ..............................................................................................................18

2.4 Auto Mode .............................................................................................................19

2.5 Cold Draft Prevention ............................................................................................20

2.6 Sleep Mode ...........................................................................................................20

2.7 Quiet Function........................................................................................................21

2.8 Eco+ Function.........................................................................................................21

2.9 ID-OD Communication ..........................................................................................21

2.10 Thermistors in RXN,RXB,RXC,ARXN,ARXB .....................................................22

2.11 Minimum Off Time Control ...................................................................................22

2.12 Auto Restart ........................................................................................................ 22

2.13 Auto Random Restart ..........................................................................................22

2.14 Four Way Valve Control ....................................................................................... 24

2.15 Outdoor Fan Control ............................................................................................ 24

2.16 Rotation Regulating Functions ............................................................................24

2.17 Defrost Cycle .......................................................................................................26

2.18 Indoor Coil Freeze Prevention ............................................................................. 26

2.19 High Pressure Protection .....................................................................................27

2.20 Discharge Pipe Temperature Control ..................................................................27

2.21 Oil Recovery Control (Applicable for ARXN,RXN50/60L) .................................... 28

2.22 Overall Current Control ........................................................................................28

3.0 Service Diagnosis.......................................................................................................29

3.1 Error Indication from Indoor ................................................................................... 29

3.2 Error code retrieved by handset.............................................................................32

3.3 Error Indication from Outdoor ................................................................................34

3.4 Error code description for Inverter .........................................................................36

Daikin FTXB60C Service Manual

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