Daikin ERLQ004CA Installer's Reference Manual

Contents

10 Hand-over to the userInstaller reference guide78ERLQ004~008CA + EHBH/X04+08CBDaikin Altherma – Low temperature split4P384972-1B – 2017.04NOTICEFor the underfloor heating screed dryout to be able to start,make sure the following settings are met:▪ [4‑00]=1▪ [C‑02]=0▪ [D‑01]=0▪ [4‑08]=0▪ [4‑01]≠1The installer can program up to 20 steps. For each step he needs toenter:1 the duration in hours, up to 72 hours,2 the desired leaving water temperature.Example:tTA125°C (1) 35°C (2)24h (1) 36h (2)T Desired leaving water temperature (15~55°C)t Duration (1~72 h)(1) Action step 1(2) Action step 2To program an underfloor heating screed dryoutschedule1 Set the user permission level to Installer. See "To set the userpermission level to Installer" on page 47.2 Go to [A.7.2]: > Installer settings > Commissioning > UFHscreed dryout > Set dryout schedule.3 Use the , , , and to program the schedule.▪ Use and to scroll through the schedule.▪ Use and to adjust the selection.If a time is selected, you can set the duration between 1 and72 hours.If a temperature is selected, you can set the desired leavingwater temperature between 15°C and 55°C.4 To add a new step, select "–h" or "–" on an empty line andpress .5 To delete a step, set the duration to "–" by pressing .6 Press to save the schedule.It is important that there is no empty step in the program.The schedule will stop when a blank step is programmedOR when 20 consecutive steps have been executed.To perform an underfloor heating screed dryoutINFORMATIONPreferential kWh rate power supply cannot be used incombination with underfloor heating screed dryout.Prerequisite: Make sure there is ONLY 1 user interface connectedto your system to perform an underfloor heating screed dryout.Prerequisite: Make sure that the leaving water temperature homepage, room temperature home page, and domestic hot water homepage are turned OFF.1 Go to [A.7.2]: > Installer settings > Commissioning > UFHscreed dryout.2 Set a dryout program.3 Select Start dryout and press .4 Select OK and press .Result: The underfloor heating screed dryout starts and followingscreen will be shown. It stops automatically when done. To stop itmanually, press , select OK and press .15:10114d 12h25°CTueScreed dryoutCurrent stepRemainingDesired LWTStopTo readout the status of an underfloor heatingscreed dryout1 Press .2 The current step of the program, the total remaining time, andthe current desired leaving water temperature will be displayed.INFORMATIONThere is limited access to the menu structure. Only thefollowing menus can be accessed:▪ Information.▪ Installer settings > Commissioning > UFH screeddryout.To interrupt an underfloor heating screed dryoutWhen the program is stopped by an error, an operation switch off, ora power failure, the U3 error will be displayed on the user interface.To resolve the error codes, see "12.4 Solving problems based onerror codes" on page 82. To reset the U3 error, your Userpermission level needs to be Installer.1 Go to the underfloor heating screed dryout screen.2 Press .3 Press to interrupt the program.4 Select OK and press .Result: The underfloor heating screed dryout program is stopped.When the program is stopped due to an error, an operation switch-off, or a power failure, you can read out the underfloor heatingscreed dryout status.5 Go to [A.7.2]: > Installer settings > Commissioning > UFHscreed dryout > Dryout status > Stopped at and followed by thelast executed step.6 Modify and restart the execution of the program.10 Hand-over to the userOnce the test run is finished and the unit operates properly, pleasemake sure the following is clear for the user:▪ Fill in the installer setting table (in the operation manual) with theactual settings.▪ Make sure that the user has the printed documentation and askhim/her to keep it for future reference. Inform the user that he canfind the complete documentation on the url as earlier described inthis manual.▪ Explain the user how to properly operate the system and what todo in case of problems.▪ Show the user what to do in relation to maintaining the unit.