10 Hand-over to the user
Installer reference guide
75
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1 – 2015.01
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
To program an underfloor heating screed dryout
schedule
1
Set the user permission level to Installer. See
permission level to Installer" on page 46
.
2
Go to [A.7.2]:
> Installer settings > Commissioning > UFH
screed 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 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 the user interface shows the home screens
and that the space heating and domestic hot water demands 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
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
"12.4 Solving problems based on
. 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 should preferably be carried out yearly by an
installer or service agent.
