Table of ContentsOperation manual2(C)(F)TXA15~50A2V1B(W)(S)(T)Daikin room air conditioner3P485919-7C – 2017.12Table of Contents1 About the documentation 21.1 About this document.................................................................. 22 About the system 22.1 Indoor unit ................................................................................. 32.2 About the user interface ............................................................ 32.2.1 Components: User interface ....................................... 32.2.2 Status: User interface LCD ......................................... 42.2.3 To operate the user interface...................................... 43 Before operation 43.1 To fix the user interface to the wall............................................ 43.2 To insert the batteries................................................................ 43.3 Clock ......................................................................................... 53.3.1 To set the clock........................................................... 53.4 Brightness of the indoor unit display ......................................... 53.4.1 To set the brightness of the indoor unit display .......... 53.5 To turn on the power supply...................................................... 53.6 To change indoor unit position setting....................................... 54 Operation 64.1 Operation range ........................................................................ 64.2 When to use which feature........................................................ 64.3 Operation mode and temperature setpoint................................ 64.3.1 To start/stop operation and to set the temperature..... 74.3.2 Airflow rate .................................................................. 74.3.3 Airflow direction........................................................... 74.3.4 Comfort airflow and Intelligent eye operation.............. 84.3.5 Powerful operation ...................................................... 94.3.6 Econo and Outdoor unit quiet operation ..................... 94.4 Flash streamer air cleaning operation ....................................... 94.4.1 To start/stop Flash Streamer operation ...................... 94.5 OFF/ON timer operation............................................................ 94.5.1 To start/stop OFF timer operation............................... 104.5.2 To start/stop ON timer operation................................. 104.5.3 To combine OFF timer and ON timer.......................... 104.6 Weekly timer operation.............................................................. 104.6.1 To set Weekly timer operation .................................... 114.6.2 To copy reservations................................................... 114.6.3 To confirm reservations .............................................. 114.6.4 To deactivate and reactivate Weekly timer operation . 124.6.5 To delete reservations ................................................ 124.7 Wireless LAN connection .......................................................... 124.7.1 Precautions when using the wireless adapter............. 124.7.2 To install the Daikin Online Controller application ...... 124.7.3 To set the wireless connection.................................... 125 Energy saving and optimum operation 146 Maintenance and service 146.1 Overview: Maintenance and service ......................................... 146.2 To clean the indoor unit and user interface ............................... 156.3 To clean the front panel............................................................. 156.4 To open the front panel ............................................................. 156.5 About the air filter ...................................................................... 156.6 To clean the air filters ................................................................ 156.7 To clean the titanium apatite deodorizing filter and the silverparticle filter (Ag-ion filter) ......................................................... 166.8 To replace the titanium apatite deodorizing filter and the silverparticle filter (Ag-ion filter) ......................................................... 166.9 To close the front panel............................................................. 166.10 To remove the front panel ......................................................... 166.11 To take following items into account before a long idle period.. 177 Troubleshooting 177.1 Symptoms that are NOT system malfunctions .......................... 187.1.1 Symptom: A sound like water flowing is heard ........... 187.1.2 Symptom: A blowing sound is heard............................ 187.1.3 Symptom: A ticking sound is heard.............................. 187.1.4 Symptom: A whistling sound is heard .......................... 187.1.5 Symptom: A clicking sound during operation or idletime is heard ................................................................ 187.1.6 Symptom: A clapping sound is heard .......................... 187.1.7 Symptom: White mist comes out of a unit (Indoorunit, outdoor unit) ......................................................... 187.1.8 Symptom: The units can give off odours...................... 187.1.9 Symptom: The outdoor fan rotates while the airconditioner is not in operation ...................................... 197.2 Solving problems based on error codes..................................... 197.3 Troubleshooting for wireless connection adapter....................... 198 Disposal 201 About the documentation1.1 About this documentThank you for purchasing this product. Please:▪ Keep the documentation for future reference.Target audienceEnd usersINFORMATIONThis appliance is intended to be used by expert or trainedusers in shops, in light industry, and on farms, or forcommercial and household use by lay persons.Documentation setThis document is part of a documentation set. The complete setconsists of:▪ General safety precautions:▪ Safety instructions that you must read before operating yoursystem▪ Format: Paper (in the box of the indoor unit)▪ Operation manual:▪ Quick guide for basic usage▪ Format: Paper (in the box of the indoor unit)▪ User reference guide:▪ Detailed step-by-step instructions and background informationfor basic and advanced usage▪ Format: Digital files on http://www.daikineurope.com/support-and-manuals/product-information/Latest revisions of the supplied documentation may be available onthe regional Daikin website or via your installer.The original documentation is written in English. All other languagesare translations.2 About the systemWARNING: FLAMMABLE MATERIALThe refrigerant inside this unit is mildly flammable.CAUTIONThe indoor unit contains radio equipment, minimumseparation distance between the radiating part of theequipment and the user is 10 cm.