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13Installation Instructions VRC430 0020042468_02
6.4 Grout drying function
The floor-drying function is used to "heat dry" a freshly
laid heating layer according to building regulations.
If this function is activated, all selected operating modes
are stopped.
The flow temperature of the controlled heating circuit is
controlled according to a pre-set program regardless of
the outside temperature.
Starting temperature: 25 °C
Days after starting the
function
Target flow temperature for this day
[°C]
125
230
335
440
545
6-12 45
13 40
14 35
15 30
16 25
17-23
10
(frost protection function,
pump in operation)
24 30
25 35
26 40
27 45
28 35
29 25
Table 6.3 Temperature profile, floor drying
In the expert technician level, screen C23, the controller
VRC 430 shows the operating mode for floor drying
along with the current day and the associated supply
target temperature.
The current day can be set manually.
When the function is started, the current time of the
start is saved. The day is changed exactly at this time.
6.5 Handing over the appliance to the owner
The owner of the VRC 430 must told how to use and op-
erate the controller.
Give the operator the instructions and documenta-
tion belonging to the machine for safe-keeping.
Tell the operator the part number.
Tell the operator to store the manuals near the unit.
Go through the operating manual with the operator
and answer any questions.
7 Service, warranty
7.1 Vaillant service
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance Agree-
ment. Please contact Vaillant Service Solutions
(0870 6060 777) for further details.
7.2 Vaillant warranty
We only grant a Vaillant manufacturer's warranty if a
suitably qualified engineer has installed the system in
accordance with Vaillant instructions. The system owner
will be granted a warranty in accordance with the
Vaillant terms and conditions.
All requests for work during the guarantee period must
be made to Vaillant Service Solutions (0870 6060 777).
Initial start-up 6
Service, warranty 7
33


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