Daikin Altherma EHYHBH05A Series - Page 203

12 | Commissioning
Installer reference guide
203
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
It is important that there is no empty step in the program. The schedule will stop
when a blank step is programmed OR when 20 consecutive steps have been
executed.
To perform an underfloor heating screed dryout
INFORMATION
Preferential kWh rate power supply cannot be used in combination with underfloor
heating screed dryout.
Prerequisite: Make sure there is ONLY 1 user interface connected to your system
to perform an underfloor heating screed dryout.
Prerequisite: Make sure that the leaving water temperature home page, room
temperature home page, and domestic hot water home page are turned OFF.
1 Go to [A.7.2]: > Installer settings > Commissioning > UFH
screed 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 following screen will be
shown. It stops automatically when done. To stop it manually, press , select OK
and press .
15:10
1
14d 12h
25°C
Tue
Screed dryout
Current step
Remaining
Desired LWT
Stop
INFORMATION
In case no outdoor unit is installed, the user interface will ask if the gas boiler can
take over the entire load. After allowing this, restart the screed dryout program to
make sure all actuators are operating.
To readout the status of an underfloor heating screed dryout
1 Press .
2 The current step of the program, the total remaining time, and the current
desired leaving water temperature will be displayed.
INFORMATION
There is limited access to the menu structure. Only the following menus can be
accessed:
▪ Information.
▪ Installer settings > Commissioning > UFH screed dryout.
To interrupt an underfloor heating screed dryout
When the program is stopped by an error, an operation switch off, or a power
failure, the U3 error will be displayed on the user interface. To resolve the error
codes, see "15.4Solving problems based on error codes"[4223]. To reset the U3
error, your User permission level needs to be Installer.