Daikin RXL25G2V1B Service Manual Download Page 4

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SiENBE04-925_A

Table of Contents

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

1.1

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

1.2

Used Icons .............................................................................................. xi

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

1. Functions.................................................................................................2

Part 2 Specifications .................................................................... 3

1. Specifications ..........................................................................................4

Part 3 Printed Circuit Board Connector Wiring Diagram ............. 7

1. Printed Circuit Board Connector Wiring Diagram....................................8

1.1

Indoor Unit................................................................................................8

1.2

Outdoor Unit ...........................................................................................11

Part 4 Function and Control........................................................ 19

1. Main Functions......................................................................................20

1.1

Frequency Principle................................................................................20

1.2

Airflow Direction Control.........................................................................22

1.3

Fan Speed Control for Indoor Units........................................................23

1.4

Program Dry Operation ..........................................................................24

1.5

Automatic Operation...............................................................................25

1.6

Thermostat Control.................................................................................26

1.7

NIGHT SET Mode ..................................................................................27

1.8

ECONO Operation .................................................................................28

1.9

2-Area INTELLIGENT EYE Operation ...................................................29

1.10 Inverter POWERFUL Operation .............................................................31
1.11 Other Functions......................................................................................32

2. Function of Thermistor ..........................................................................33
3. Control Specification .............................................................................34

3.1

Mode Hierarchy ......................................................................................34

3.2

Frequency Control..................................................................................35

3.3

Controls at Mode Changing / Start-up....................................................37

3.4

Discharge Pipe Temperature Control.....................................................39

3.5

Input Current Control..............................................................................40

3.6

Freeze-up Protection Control .................................................................41

3.7

Heating Peak-cut Control .......................................................................41

3.8

Outdoor Fan Control...............................................................................42

3.9

Liquid Compression Protection Function................................................42

3.10 Defrost Control .......................................................................................43
3.11 Electronic Expansion Valve Control .......................................................44
3.12 Malfunctions ...........................................................................................47
3.13 Forced Operation Mode .........................................................................48
3.14 Standby Electricity Saving......................................................................48

Part 5 Operation Manual ............................................................. 49

1. System Configuration............................................................................50
2. Operation Manual..................................................................................51

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24/02/2011 13:53:49