Daikin FXAQ63MV1 [2/264] Capacity range

SiBE34-703

Table of Contents i

R-410A

Heat Pump

50Hz

1. Introduction ........................................................................................... vi

1.1 Safety Cautions ....................................................................................... vi

1.2 PREFACE ................................................................................................x

Part 1 General Information ........................................................... 1

1. Model Names of Indoor/Outdoor Units....................................................2

2. External Appearance...............................................................................3

2.1 Indoor Units..............................................................................................3

3. Capacity Range.......................................................................................4

Part 2 Specifications .................................................................... 5

1. Specifications ..........................................................................................6

1.1 Outdoor Units ...........................................................................................6

1.2 Indoor Units..............................................................................................8

Part 3 List of Electrical and Functional Parts............................ 33

1. List of Electrical and Functional Parts ...................................................34

1.1 Outdoor Unit...........................................................................................34

Part 4 Refrigerant Circuit ........................................................... 35

1. Refrigerant Circuit .................................................................................36

1.1 RXYSQ4 / 5 / 6P ....................................................................................36

2. Functional Parts Layout ........................................................................38

2.1 RXYSQ4 / 5 / 6P ....................................................................................38

Part 5 Function............................................................................ 39

1. Operation Mode ....................................................................................40

2. Basic Control.........................................................................................41

2.1 Normal Operation ...................................................................................41

2.2 Compressor PI Control...........................................................................42

2.3 Electronic Expansion Valve PI Control...................................................43

2.4 Cooling Operation Fan Control...............................................................44

3. Special Control......................................................................................45

3.1 Startup Control .......................................................................................45

3.2 Oil Return Operation ..............................................................................46

3.3 Defrosting Operation ..............................................................................48

3.4 Pump-down Residual Operation ............................................................49

3.5 Restart Standby......................................................................................50

3.6 Stopping Operation ................................................................................51