Daikin ALTHERMA, Installer'S Reference Manual

Page: 227 / 280

12 | Commissioning
Installer reference guide
227
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
12.4.5 Underfloor heating screed dryout
About underfloor heating screed dryout
Purpose
The underfloor heating (UFH) screed dryout function is used for drying out the
screed of an underfloor heating system during the construction of the building.
NOTICE
The installer is responsible for:
▪
contacting the screed manufacturer for the maximum allowed water
temperature, to avoid cracking the screed,
▪
programming the underfloor heating screed dryout schedule according to the
initial heating instructions of the screed manufacturer,
▪
checking the proper functioning of the setup on a regular basis,
▪
performing the correct program complying with the type of the used screed.
To program an underfloor heating screed dryout schedule
Duration and temperature
The installer can program up to 20 steps. For each step he needs to enter:
1 the duration in hours, up to 72 hours,
2 the desired leaving water temperature, up to 55°C.
Example:
t
T
A1
25°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 2
Steps
1 Set the user permission level to Installer . See "To change
the user permission level" [
4
124].
—
2 Go to [A.4.2]:
Commissioning
>
UFH screed dryout
>
Program .
3 Program the schedule:
To add a new step, select the next empty line and change its
value. To delete a step and all steps below it, decrease the
duration to "–".
—
▪ Scroll through the schedule.
▪ Adjust the duration (between 1 and 72 hours) and
temperatures (between 15°C and 55°C).
4 Press the left dial to save the schedule.