Daikin FXMQ63MVE [2/254] Capacity range

Si38-606

Table of Contents i

R-22 Cooling Only

R-22 Cooling Only ........................................................................ i

1. Introduction .............................................................................................v

1.1 Safety Cautions ........................................................................................v

1.2 PREFACE ............................................................................................... ix

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

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

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

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

2.2 Outdoor Units ...........................................................................................4

3. Capacity Range.......................................................................................5

Part 2 Specifications .................................................................... 7

1. Specifications ..........................................................................................8

1.1 Outdoor Units ...........................................................................................8

1.2 Indoor Units ..............................................................................................9

Part 3 Refrigerant Circuit ........................................................... 37

1. Refrigerant Circuit .................................................................................38

1.1 RXM8, 10M ............................................................................................38

2. Functional Parts Layout ........................................................................40

2.1 RXM8, 10M ............................................................................................40

Part 4 Function............................................................................ 43

1. Operation Mode ....................................................................................44

2. Basic Control.........................................................................................45

2.1 Normal Operation ...................................................................................45

2.2 Compressor PI Control...........................................................................46

2.3 Electronic Expansion Valve PI Control...................................................47

2.4 Cooling Operation Fan Control...............................................................48

3. Special Control......................................................................................49

3.1 Startup Control .......................................................................................49

3.2 Oil Return Operation ..............................................................................50

3.3 Pump-down Residual Operation ............................................................51

3.4 Restart Standby......................................................................................52

3.5 Stopping Operation ................................................................................53

3.6 Pressure Equalization prior to Startup....................................................54

4. Protection Control .................................................................................55

4.1 High Pressure Protection Control...........................................................55

4.2 Low Pressure Protection Control............................................................56

4.3 Discharge Pipe Protection Control .........................................................57

4.4 Inverter Protection Control .....................................................................58