Daikin R50BV1 [3/107] Part 2 specifications

Si01-718

ii Table of Contents

1. Introduction ............................................................................................ iv

1.1 Safety Cautions ....................................................................................... iv

1.2 Used Icons ............................................................................................ viii

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

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

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

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

Part 3 Printed Circuit Board Connector Wiring Diagram ............. 9

1. Printed Circuit Board Connector Wiring Diagram..................................10

1.1 Indoor Unit..............................................................................................10

Part 4 Details of Functions .........................................................13

1. Main Functions......................................................................................14

1.1 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........14

1.2 Fan Speed Control for Indoor Units........................................................15

1.3 Thermostat Control.................................................................................16

1.4 Programme Dry Function .......................................................................17

1.5 Night Set Mode.......................................................................................18

1.6 POWERFUL Operation ..........................................................................19

1.7 Other Functions......................................................................................20

Part 5 Operation Manual .............................................................21

1. System Configuration............................................................................22

2. Instructions............................................................................................23

2.1 Safety Precautions .................................................................................23

2.2 Names of Parts.......................................................................................25

2.3 Preparation Before Operation ................................................................28

2.4 DRY · COOL · FAN Operation................................................................31

2.5 Adjusting the Air Flow Direction .............................................................33

2.6 POWERFUL Operation ..........................................................................34

2.7 TIMER Operation ...................................................................................35

2.8 Care and Cleaning .................................................................................37

2.9 Troubleshooting......................................................................................40

Part 6 Service Diagnosis............................................................. 43

1. Caution for Diagnosis............................................................................44

2. Troubleshooting by Symptoms..............................................................45

3. Service Check Function ........................................................................46

4. Troubleshooting ....................................................................................49

4.1 Error Codes and Description ..................................................................49

4.2 Indoor Unit PCB Abnormality .................................................................50

4.3 Freeze-up Protection Control .................................................................51

4.4 Fan Motor or Related Abnormality .........................................................52

4.5 Thermistor or Related Abnormality (Indoor Unit)....................................54