Daikin ATXM20A2V1B Manual

Daikin Not categorized ATXM20A2V1B

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User reference guide

Daikin room air conditioner

ATXM20A2V1B

ATXM25A2V1B

ATXM35A2V1B

ATXM50A2V1B

ATXM20A5V1B

ATXM25A5V1B

ATXM35A5V1B

ATXM50A5V1B

Table of contents

User reference guide

ATXM-A

Daikin room air conditioner

4P518786-13K – 2023.06

Table of contents

1 About the documentation 4

1.1 About this document ...................................................................................................................................................... 4

2 General safety precautions 5

2.1 About the documentation .............................................................................................................................................. 5

2.1.1 Meaning of warnings and symbols ................................................................................................................ 5

3 User safety instructions 7

3.1 General............................................................................................................................................................................ 7

3.2 Instructions for safe operation ....................................................................................................................................... 8

4 About the system 12

4.1 Indoor unit ...................................................................................................................................................................... 12

4.1.1 Daikin eye indication lamp ............................................................................................................................. 13

4.2 About the user interface................................................................................................................................................. 14

4.2.1 Components: Wireless remote control.......................................................................................................... 15

4.2.2 Status: Wireless remote control LCD ............................................................................................................. 15

4.2.3 To operate the wireless remote control........................................................................................................ 17

5 Before operation 18

5.1 Overview: Before operation ........................................................................................................................................... 18

5.2 To insert the batteries .................................................................................................................................................... 18

5.3 To mount the wireless remote control holder............................................................................................................... 19

5.4 The clock setting ............................................................................................................................................................. 19

5.4.1 To set the clock............................................................................................................................................... 19

5.5 Brightness of the Daikin eye ........................................................................................................................................... 20

5.5.1 To set the brightness of the Daikin eye ......................................................................................................... 20

5.6 To turn on the power supply .......................................................................................................................................... 20

6 Operation 21

6.1 Operation range.............................................................................................................................................................. 21

6.2 When to use which feature ............................................................................................................................................ 21

6.3 Operation mode and temperature setpoint .................................................................................................................. 22

6.3.1 To start/stop operation mode and to set the temperature.......................................................................... 23

6.4 Airflow rate ..................................................................................................................................................................... 24

6.4.1 To adjust the airflow rate............................................................................................................................... 24

6.5 Airflow direction ............................................................................................................................................................. 24

6.5.1 To adjust vertical airflow direction ................................................................................................................ 25

6.5.2 To adjust horizontal airflow direction............................................................................................................ 25

6.5.3 To use 3D airflow direction ............................................................................................................................ 25

6.6 Comfort airflow and Intelligent eye operation .............................................................................................................. 26

6.6.1 Comfort airflow operation ............................................................................................................................. 26

6.6.2 Intelligent eye operation................................................................................................................................ 26

6.6.3 To start/stop Comfort and Intelligent eye operation .................................................................................... 27

6.7 Powerful operation ......................................................................................................................................................... 27

6.7.1 To start/stop Powerful operation .................................................................................................................. 28

6.8 Econo and Outdoor unit quiet operation....................................................................................................................... 28

6.8.1 Econo operation ............................................................................................................................................. 28

6.8.2 Outdoor unit quiet operation......................................................................................................................... 29

6.8.3 To start/stop Econo and Outdoor unit quiet operation ................................................................................ 29

6.9 Flash Streamer (air cleaning) operation ......................................................................................................................... 29

6.9.1 To start/stop Flash Streamer (air cleaning) operation .................................................................................. 30

6.10 OFF/ON timer operation................................................................................................................................................. 30

6.10.1 24 hour clock OFF/ON timer setting .............................................................................................................. 30

6.10.2 12 hour countdown OFF/ON timer setting.................................................................................................... 32

6.11 Weekly timer operation.................................................................................................................................................. 33

6.11.1 To set Weekly timer operation ...................................................................................................................... 33

6.11.2 To copy reservations ...................................................................................................................................... 35

6.11.3 To confirm reservations ................................................................................................................................. 35

6.11.4 To deactivate and reactivate Weekly timer operation.................................................................................. 36

6.11.5 To delete reservations.................................................................................................................................... 36

6.12 Wireless LAN connection................................................................................................................................................ 37

6.12.1 Precautions when using the wireless LAN ..................................................................................................... 37

6.12.2 To install the ONECTA app ............................................................................................................................. 37

6.12.3 To set the wireless connection ...................................................................................................................... 38

6.13 About Multi system......................................................................................................................................................... 41

Table of contents

User reference guide

ATXM-A

Daikin room air conditioner

4P518786-13K – 2023.06

6.13.1 Priority room setting ...................................................................................................................................... 41

6.13.2 Night quiet mode............................................................................................................................................ 42

6.13.3 Cooling/heating mode lock in Multi-system.................................................................................................. 43

7 Energy saving and optimum operation 44

8 Maintenance and service 46

8.1 Overview: Maintenance and service .............................................................................................................................. 46

8.2 To clean the indoor unit and wireless remote control .................................................................................................. 47

8.3 To clean the front panel ................................................................................................................................................. 48

8.4 To remove the front panel.............................................................................................................................................. 48

8.5 About the air filters......................................................................................................................................................... 48

8.6 To clean the air filters ..................................................................................................................................................... 49

8.7 To clean the titanium apatite deodorising filter and the silver particle filter (Ag-ion filter)......................................... 50

8.8 To replace the titanium apatite deodorising filter and the silver particle filter (Ag-ion filter) ..................................... 51

8.9 To re-install the front panel............................................................................................................................................ 51

8.10 To take following items into account before a long idle period.................................................................................... 51

9 Troubleshooting 53

9.1 Symptoms that are NOT system malfunctions............................................................................................................... 55

9.1.1 Symptom: A sound like water flowing is heard ............................................................................................. 55

9.1.2 Symptom: A blowing sound is heard.............................................................................................................. 55

9.1.3 Symptom: A ticking sound is heard................................................................................................................ 55

9.1.4 Symptom: A whistling sound is heard............................................................................................................ 55

9.1.5 Symptom: A clicking sound during operation or idle time is heard .............................................................. 55

9.1.6 Symptom: A clapping sound is heard............................................................................................................. 56

9.1.7 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 56

9.1.8 Symptom: The units can give off odours ....................................................................................................... 56

9.1.9 Symptom: The outdoor fan rotates while the air conditioner is not in operation ....................................... 56

9.1.10 Symptom: Indoor unit fan speed does NOT correspond with the setpoint (during low ambient cooling

operation in Multi system)............................................................................................................................. 56

9.1.11 Symptom: Airflow rate setting does NOT resume when Comfort airflow is deactivated by ONECTA app.. 56

9.1.12 Symptom: Some operation icons are not visible on the wireless remote control, or some functions

cannot be activated in the ONECTA app........................................................................................................ 56

9.1.13 Symptom: In ONECTA app, powerful operation is NOT indicated as active ................................................. 56

9.2 Solving problems based on error codes ......................................................................................................................... 57

9.3 Troubleshooting for wireless LAN connection ............................................................................................................... 58

10 Disposal 60

11 Glossary 61