Vaillant VRC 430 Operating and, Operating And Installation Manual

Page: 11 / 40

11 Operating instructions VRC 430
Changing parameters in the basic display
Parameter Meaning
He
ating cir
cuit 1 (HK1)
Room target
temperature The heating is controlled according to
the target room temperature and
according to the operating mode, see
also Chapter 4.4.
Operating
mode
Auto(matic) The boiler is controlled according to
the target room temperature, the time
programme and other parameters such
as e.g. the set-back temperature. Some
of these parameters are set by your
installer..
Operating
mode
Manual The boiler is constantly on and is
controlled to achieve the target room
temperature.
Operating
mode
OFF The boiler is switched off. The
room temperature is not displayed and
cannot be changed.
Frost protection is active.
Hot w
a
te
r
Hot water
target set
temperature The hot water is ON depending on the
operating mode and is controlled to
achieve the target temperature, see
also Chapter 4.4.
Operating
mode
Auto(matic) The hot water is on according to the
time programme.
Operating
mode
Manual The hot water is constantly on
depending on the target temperature.
Operating
mode
OFF The hot water is switched off. The
target hot water temperature is not
displayed and cannot be changed.
Frost protection is active..
Table 4.2 Modifiable parameters in the basic display
Example: Change the room temperature of heating
circuit 1 (HC1)
Initial condition: You are located in the basic display (see
Fig. 4.2). The way you get to the basic display is
described in Chapter 4.3.3.
⇒
Turn the right-hand dial until the cursor appears in
front of the target room temperature for heating
circuit 1 (HC1).
⇒
Click the right-hand dial.
The input field for the target value is highlighted.
⇒
Turn the right-hand dial.
The value for the room temperature changes by
0.5 °C for each index turn of the dial..
⇒
When the desired value is reached, click the right-
hand dial.
The new value is saved and the value is no longer
highlighted
The duration for which the new value remains definitive
depends upon the set operating mode; see also
Chapter 4.4.
4.3.3 Operation in the default display
h
Note!
The default display always appears if the mixer
module VR 61 (for a second heating circuit) is
not connected and the VRC 430 is wall-
mounted.
In the default display (Fig. 4.8) the operating mode for
heating and the current room temperature are displayed
in the central area.
The default display alsoallows you to change the two
most important parameters of your
heating installation quickly and comfortably:
- By turning the left-hand dial you change the operating
mode (automatic, manual, off).
- By turning the right-hand dial you can change
between the actual room temperature and the set
room temperature.
Th. 12.01.06
11:46
3.0 °C Outside
Auto
19.0 °C
VRC 430
Fig. 4.8 Default display (example)
By clicking either dial you can move from the default
display to the next screen (Fig. 4.2 basic display).
If there has been no operation of the
controller for longer than 5 minutes, the display returns
to the default display.
Operation 4