Daikin RN50E3V1B [3/300] Part 2 specifications

SiBE04-705

ii Table of Contents

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

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

1.2 Used Icons .............................................................................................. ix

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

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

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

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

1.1 Cooling Only.............................................................................................8

1.2 Heat Pump .............................................................................................12

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 17

1. Printed Circuit Board Connector Wiring Diagram..................................18

1.1 Indoor Units ............................................................................................18

1.2 Outdoor Units .........................................................................................22

Part 4 Function and Control........................................................ 25

1. Main Functions......................................................................................26

1.1 Frequency Principle................................................................................26

1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........28

1.3 Fan Speed Control for Indoor Units........................................................29

1.4 Programme Dry Function .......................................................................30

1.5 Automatic Operation...............................................................................31

1.6 Thermostat Control.................................................................................32

1.7 Night Set Mode.......................................................................................33

1.8 ECONO Mode ........................................................................................34

1.9 Intelligent Eye.........................................................................................35

1.10 Home Leave Operation ..........................................................................37

1.11 Inverter Powerful Operation ...................................................................38

1.12 Other Functions......................................................................................39

2. Function of Thermistor ..........................................................................41

2.1 Heat Pump Model...................................................................................41

2.2 Cooling Only Model ................................................................................42

3. Control Specification .............................................................................43

3.1 Mode Hierarchy ......................................................................................43

3.2 Frequency Control..................................................................................44

3.3 Controls at Mode Changing / Start-up....................................................46

3.4 Discharge Pipe Temperature Control.....................................................47

3.5 Input Current Control..............................................................................48

3.6 Freeze-up Protection Control .................................................................49

3.7 Heating Peak-cut Control .......................................................................49

3.8 Fan Control.............................................................................................50

3.9 Liquid Compression Protection Function 2.............................................50

3.10 Defrost Control .......................................................................................51

3.11 Electronic Expansion Valve Control .......................................................52

3.12 Malfunctions ...........................................................................................55

3.13 Forced Operation Mode .........................................................................56

3.14 Additional Function.................................................................................56

Daikin RN50E3V1B [3/300] Part 2 specifications

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