Vaillant Mixer module VR 61 Installation Manual download pdf (Page 19)

19Operating and installation manual for VR 61 mixer module

7.3 Function floor drying

The floor-drying function is used to “heat dry” a freshly-

laid heating layer according to instructions.

Note!

The floor drying function is only available for

the controlled heating circuit (HC2)

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 feed temperature for this day

[°C]

125

230

335

440

545

6-12 45

13 40

14 35

15 30

16 25

17-23

(frost protection function,

pump in operation)

24 30

25 35

26 40

27 45

28 35

29 25

Table 7.3 Temperature profile floor drying

The controller VRC 430 or VRC 430f shows, in the

operating level for the expert technician, display screen

C23, the operating mode for floor drying with the

current day and the associated target feed 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.

8 VRC 430 / VRC 430f

Operating level for the operator

The operating level for the operator serves to indicate

and to adjust/modify the basic parameters. The setting/

changing of the parameters can be carried out by the

operator without any special previous knowledge and

during normal operation.

The parameters are shown in various display screens in

the display area of the controller VRC 430 or VRC 430f .

The operating concept is described in the operating and

installation instructions of the controller VRC 430 or

VRC 430f.

The following differences in the displat screens are

produced by the installation of the mixer module VR 61

in the heating system with respect to the standard

configuration as described in the manual for the VRC

430 or VRC 430f:

– Display screen G1 simplified basic display

Th. 12.01.06

11:46

3.0 °C Outside

Auto

19.0 °C

VRC 430

Fig. 8.1 Simplified basic display

Depending upon the adjustment method undertaken by

the expert technician, this screen is either not displayed

at all or shows the values from heating circuit 1 or 2.

⇒ Ask your expert technician for the current setting.

– Display screen G2 basic display

56.0 °C

Auto

> Select room temperature

 21.0 °C

Th. 12.01.06

11:46

3.0 °C Outside

HC1

Auto DHW

HC2

20.0 °C Auto

Fig. 8.2 Basic display

Both heating circuits (HC1 and HC2) are displayed in the

basic display. For both heating circuits you can modify

the target room temperature and the operating mode in

each case.

Start-up 7

VRC 430 / VRC 430f Operating level for the operator 8

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