Daikin REYQ96MTJU [2/273] R 410a heat recovery 60hz

SiUS39-602

Table of Contents i

R-410A Heat Recovery

60Hz

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

2.2 Outdoor Units........................................................................................... 3

3. Model Selection ......................................................................................4

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

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

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

1.2 Indoor Units............................................................................................11

1.3 BS Units .................................................................................................23

Part 3 Refrigerant Circuit ........................................................... 25

1. Refrigerant Circuit .................................................................................26

1.1 REYQ72M, 96M.....................................................................................26

1.2 BSVQ36, 60M ........................................................................................28

2. Functional Parts Layout ........................................................................29

2.1 REYQ72M, 96M.....................................................................................29

3. Refrigerant Flow for Each Operation Mode ..........................................31

Part 4 Function ........................................................................... 37

1. Function General ..................................................................................38

1.1 Symbol ...................................................................................................38

1.2 Operation Mode ..................................................................................... 39

2. Basic Control.........................................................................................40

2.1 Normal Operation...................................................................................40

2.2 Compressor PI Control .......................................................................... 41

2.3 Electronic Expansion Valve PI Control ..................................................45

2.4 Cooling Operation Fan Control ..............................................................46

2.5 Heat Exchange Mode in Heating Operation or Simultaneous

Cooling / Heating Operation...................................................................47

3. Special Control......................................................................................48

3.1 Startup Control.......................................................................................48