10 Hand-Over To The User; Maintenance And Service - Daikin Altherma EHVH04S18CB3V Installer's Reference Manual

10 Hand-over to the user

T
24h (1) 36h (2)
25°C (1) 35°C (2)
A1
T Desired leaving water temperature (15~55°C)
t Duration (1~72 h)
(1) Action step 1
(2) Action step 2
To program an underfloor heating screed dryout
schedule
1 Set the user permission level to Installer. See
permission level to Installer" on
2 Go to [A.7.2]: > Installer settings > Commissioning > UFH
screed dryout > Set dryout schedule.
3 Use the , , , and
▪ 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 and
72 hours.
If a temperature is selected, you can set the desired leaving
water temperature between 15°C and 55°C.
4 To add a new step, select "–h" or "–" on an empty line and
press .
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 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
Tue
Screed dryout
Current step 1
Remaining 14d 12h
Desired LWT 25°C
Stop
Installer reference guide
76
t
"To set the user
page 46.
to program the schedule.
.
.
.
15:10
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
error codes" on page 80. To reset the U3 error, your User
permission 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 heating
screed dryout status.
5 Go to [A.7.2]: > Installer settings > Commissioning > UFH
screed dryout > Dryout status > Stopped at and followed by the
last executed step.
6 Modify and restart the execution of the program.
10 Hand-over to the user
Once the test run is finished and the unit operates properly, please
make sure the following is clear for the user:
▪ Fill in the installer setting table (in the operation manual) with the
actual settings.
▪ Make sure that the user has the printed documentation and ask
him/her to keep it for future reference. Inform the user that he can
find the complete documentation on the url as earlier described in
this manual.
▪ Explain the user how to properly operate the system and what to
do in case of problems.
▪ Show the user what to do in relation to maintaining the unit.
▪ Explain the user about energy saving tips as described in the
operation manual.
11

Maintenance and service

NOTICE
Maintenance must be done by an authorised installer or
service agent.
We recommend to do maintenance at least once a year.
However, applicable legislation might require shorter
maintenance intervals.
ERLQ004~008CA + EHVH/X04+08S18+26CB
"12.4 Solving problems based on
Daikin Altherma – Low temperature split
4P384973-1A – 2016.02