Daikin RMXS140E7V3B [3/397] Part 3 printed circuit board connector wiring diagram 3

SiBE18-621

ii Table of Contents

1. Introduction ........................................................................................... vii

1.1 Safety Cautions ...................................................................................... vii

Part 1 List of Functions ................................................................ 1

1. List of Functions ......................................................................................2

Part 2 Specifications .................................................................... 9

1. Specifications ........................................................................................10

1.1 Outdoor Units .........................................................................................10

1.2 BP Unit ...................................................................................................11

1.3 Indoor Units ............................................................................................12

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 23

1. Printed Circuit Board Connector Wiring Diagram..................................24

1.1 Outdoor Unit RMXS 112/140/160 E7V3B ..............................................24

1.2 Branch Provider Unit ..............................................................................29

1.3 Wall Mounted Type 20/25/35/50 Class - D Series .................................30

1.4 Wall Mounted Type 20/25/35 Class - C Series ......................................33

1.5 Wall Mounted Type 50/60/71 Class - E(B) Series..................................35

1.6 Duct Connected Type.............................................................................37

1.7 Floor / Ceiling Suspended Dual Type.....................................................39

1.8 Floor Standing Type ...............................................................................42

1.9 Ceiling Mounted Cassette 600×600 Type ..............................................45

1.10 Ceiling Suspended Type ........................................................................47

Part 4 Refrigerant Circuit ........................................................... 49

1. Refrigerant Circuit .................................................................................50

1.1 Outdoor Units .........................................................................................50

1.2 BP Units .................................................................................................52

2. Functional Parts Layout ........................................................................53

2.1 Outdoor Units .........................................................................................53

3. Refrigerant Flow for Each Operation Mode...........................................54

3.1 Cooling Operation ..................................................................................54

3.2 Heating Operation ..................................................................................55

3.3 Cooling Oil Return Operation .................................................................56

3.4 Heating Oil Return Operation & Defrost Operation ................................57

Part 5 Function............................................................................ 59

1. Operation Mode ....................................................................................60

2. Basic Control.........................................................................................61

2.1 Normal Operation ...................................................................................61

2.2 Compressor PI Control...........................................................................62

2.3 Electronic Expansion Valve PI Control...................................................65

2.4 Cooling Operation Fan Control...............................................................66

3. Special Control......................................................................................67

3.1 Startup Control .......................................................................................67

3.2 Oil Return Operation ..............................................................................68

3.3 Defrosting Operation ..............................................................................70