Table of ContentsOperation manual2FTXP50~71M2V1BDaikin room air conditioner3P511999-4E – 2018.09Table of Contents1 About the documentation 21.1 About this document.................................................................. 22 About the system 22.1 Indoor unit ................................................................................. 22.1.1 Indoor unit display....................................................... 32.2 About the user interface ............................................................ 32.2.1 Components: User interface ....................................... 33 Before operation 33.1 To insert the batteries................................................................ 33.2 To fix the user interface to the wall............................................ 33.3 To turn on the power supply...................................................... 44 Operation 44.1 Operation range ........................................................................ 44.2 Operation mode and temperature setpoint................................ 44.2.1 To start/stop operation and to set the temperature..... 44.3 Airflow rate ................................................................................ 44.3.1 To adjust the airflow rate............................................. 44.4 Airflow direction ......................................................................... 54.4.1 To adjust vertical airflow direction............................... 54.4.2 To adjust horizontal airflow direction........................... 54.4.3 To use 3-D airflow direction ........................................ 54.5 Comfort airflow operation .......................................................... 54.5.1 To start/stop Comfort airflow operation....................... 54.6 Powerful operation .................................................................... 54.6.1 To start/stop Powerful operation ................................. 54.7 Econo operation ........................................................................ 64.7.1 To start/stop Econo operation..................................... 64.8 OFF/ON timer operation............................................................ 64.8.1 To start/stop OFF timer operation............................... 64.8.2 To start/stop ON timer operation................................. 64.8.3 To combine OFF timer and ON timer.......................... 65 Energy saving and optimum operation 76 Maintenance and service 76.1 Overview: Maintenance and service ......................................... 76.2 To clean the indoor unit and user interface ............................... 86.3 To clean the front panel............................................................. 86.4 About the air filters .................................................................... 86.5 To open the front panel ............................................................. 86.6 To clean the air filters ................................................................ 86.7 To clean the titanium apatite deodorizing filter and the silverparticle filter (Ag-ion filter) ......................................................... 96.8 To replace the titanium apatite deodorizing filter and the silverparticle filter (Ag-ion filter) ......................................................... 96.9 To close the front panel............................................................. 96.10 To take following items into account before a long idle period.. 97 Troubleshooting 98 Disposal 101 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.2.1 Indoor unitCAUTIONDo NOT insert fingers, rods or other objects into the airinlet or outlet. When the fan is rotating at high speed, it willcause injury.INFORMATIONThe sound pressure level is less than 70 dBA.WARNING▪ Do not modify, disassemble, remove, reinstall or repairthe unit yourself as incorrect dismantling or installationmay cause an electric shock or fire. Contact yourdealer.▪ In case of accidental refrigerant leaks, make sure thereare no naked flames. The refrigerant itself is entirelysafe, non-toxic and mildly flammable, but it willgenerate toxic gas when it accidentally leaks into aroom where combustible air from fan heaters, gascookers, etc. is present. Always have qualified servicepersonnel confirm that the point of leakage has beenrepaired or corrected before resuming operation.