Vaillant VRC 430 Operating and Technisches Datenblatt

For the heating engineer/for the owner

Operating and Installation Manual

VRC 430

Weather compensator VRC 430

For the owner

Operating instructions

VRC 430

Weather compensator

Contents

Equipment properties................................................4

Application ............................................................................4

Product specifications........................................................4

1 Notes on the documentation.........................4

1.1 Storage of the documents ....................................5

1.2 Symbols used ...........................................................5

1.3 Validity of the instructions ...................................5

1.4 CE label......................................................................5

2 Safety ...............................................................5

3 Instructions for operation .............................5

3.1 Intended use.............................................................5

3.2 Ambient conditions.................................................6

3.3 Care ............................................................................6

3.4 Service, Warranty....................................................6

3.5 Recycling and disposal...........................................6

4 Operation ......................................................... 7

4.1 Overview operating and display front................7

4.2 Overview of the displays ......................................8

4.3 Operating concept ..................................................8

4.3.1 Show various screens ............................................9

4.3.2 Changing parameters.............................................9

4.3.3 Operation in the default display..........................11

4.4 Changing the target room temperature...........12

4.5 User level, level for the installer.........................13

4.6 Screens in the user level......................................13

4.7 User screens (examples)...................................... 15

4.7.1 Entering time programmes

(example for heating)........................................... 15

4.7.2 Programming holiday periods............................ 16

4.7.3 Heating settings .....................................................17

4.7.4 Hot water settings................................................. 18

4.7.5 Changing the name of the

system components.............................................. 18

5 Status and error messages ..........................19

Glossary ........................................................ Appendix

Operating instructions VRC 4304

Equipment properties

Application

The VRC 430 is a weather compensated controller for

heating and hot water preparation.

"Weather-compensated" means: At low outside

temperatures the VRC 430 provides more heating

output, and at higher outside temperatures lower

heating output. The outside temperature is measured

by a separate sensor, mounted outdoors and

transmitted to the VRC 430.

The room temperature is only dependent upon your

preset values. The influence of the outside

temperature is compensated for.

You can use the VRC 430 to set different room target

temperatures - for different times of the day and for

different days of the week.

In automatic mode, the VRC 430 controls your heating

in accordance with these settings (see Fig. 0.1).

The VRC 430 can be used for setting daily heating

periods for hot water preparation.

Fig. 0.1 Automatic heating operation: Example of setting the

room target temperature for different times of the day

The VRC 430 can also be used for the control of the

following accessories:

– Circulation pump for the hot water provision in

combination with a multi-functional module VR 40

– Ventilation unit

– conventional hot water cylinder

– Vaillant layer cylinder actoSTOR

– Second heating circuit using the Vaillant Mixer

Module VR 61

– Solar system using the Vaillant Solar Module VR 68

– Commercially available 230 V components

(e.g. valves, cylinder thermostats)

The VRC 430 can be operated with the Vaillant remote

control VR 81.

The VRC 430 can form part of a new heating and hot

water preparation installation or can also be retro-fitted

into an existing installation. The boiler must have an

eBUS interface.

eBUS is a communication standard for data exchange

between the components of heating technology.

Product specifications

– eBUS interface

– Data connection with a Vaillant boiler via an eBUS line

– Illuminated graphical display (display field)

– Operation via both dials in accordance with the

principle "Turn and Click"

– Direct fitting of the controller in the operating panel of

the boiler or separate wall mounting

– Equipped for operation with Vaillant diagnosis

software vrDIALOG 810/2 and with the Vaillant

Internet Communication System vrnetDIALOG, i.e.

remote diagnosis and remote adjustment

Equipment properties

04:00 16:0008:00 12:00 20:00

15 °

20 °

25 °

Room temperature

Time

Set back temperature

Period 1 Period 3Period 2

5Operating instructions VRC 430

1 Notes on the documentation

The following notes are intended to help you throughout

the entire documentation. Further documents apply in

combination with this operating manual.

We accept no liability for any damage caused by failure

to observe these instructions.

Other applicable documents

– The installation instructions for the Vaillant controller

VRC 430 (Section 2 of this document, for the heating

engineer)

– The operating and installation instructions for

your heating installation

– All instructions for the accessories

Glossary:

At the end of this document, in the appendix, you will

find– alphabetically sorted – the explanation of technical

terms and important functions.

1.1 Storage of the documents

Please store this operating manual and all related

documents in such a way that they are available

whenever required.

1.2 Symbols used

Please observe the safety instructions in this manual for

the operation of the device.

dDanger!

Immediate risk of serious injury or death!

eDanger!

Danger of death by electric shock!

HAttention!

Danger of burning and scalding!

aCaution!

Potentially dangerous situation for the product

and environment!

hNote!

Useful information and instructions.

⇒ Symbol for a necessary task

1.3 Validity of the instructions

These operating instructions are valid exclusively for

equipment with the following part number:

00 2002 8520 VRC 430

The part number of your unit can be obtained by asking

your installer.

1.4 CE label

The CE mark documents the fact that the controller

calorMATIC 430 fulfils the fundamental requirements of

the relevant directives.

2 Safety

The VRC 430 may only be installed by a suitably

qualified heating engineer. This engineer also assumes

responsibility for installing the appliance properly and

putting it into service for the first time.

3 Instructions for operation

3.1 Intended use

The controllers VRC 430 are state-of-the-art appliances

which have been constructed in accordance with

recognised safety regulations. Even so, in the event of

inappropriate or non-intended use, impairment of the

device and other real values can arise.

The controller VRC 430 is designed for the weather-

compensated and time-dependent control of a heating

installation with or without hot water preparation/

circulation pump in combination with a Vaillant boiler

with eBUS interface.

Notes on the documentation 1

Safety 2

Instructions for operation 3

Operating instructions VRC 4306

3 Instructions for operation

Operation with the following accessories is permissible:

– Circulation pump for the hot water provision in

combination with a multi-functional module VR 40

– Ventilation unit

– Conventional hot water storage

– Vaillant layer storage actoSTOR

– Second heating circuit using the Vaillant Mixer

Module VR 61

– Solar system using the Vaillant Solar Module VR 68

– VR 81 remote room temperature control device

– commercially available 230-V components (e.g. valves,

cylinder thermostats) in combination with the Control

Center VR 65

Note: the Control Center VR 65 cannot be used with a

mixer module VR 61 or a solar module VR 68.

– 230-V cylinder thermostat in combination with the

relay box VR 41

Any other use or extended use is considered to be use

other than intended. The manufacturer or supplier is not

liable for any resulting damage. The owner alone bears

any risk.

Intended use also includes observance of the operating

and installation instructions and all other documents

also have validity.

3.2 Ambient conditions

If the VRC 430 is mounted on the wall, the function

"room temperature compensation" is activated and no

remote control unit VR 81 is connected, take care:

– that the air in the room can circulate freely around the

VCR 430 and that the VRC 430 is not obscured by

furniture, curtains or other objects.

– that the radiator valves in the room where the

VRC 430 is fitted are fully open.

"Room temperature compensation" means that the

current room temperature is evaluated by the

VRC 430 and is taken into account in the regulation.

Your installer will advise you whether the "room

temperature compensation" is activated.

3.3 Care

Clean the enclosure of the VRC 430 with a damp cloth.

Do not use scouring or cleaning agents which could

damage the operating elements or the display.

3.4 Service, Warranty

Vaillant Service

To ensure regular servicing, it is strongly recommended

that arrangements are made for a Maintenance

Agreement.

Please contact Vaillant Service Solutions

(0870 6060 777) for further details.

Vaillant warranty

We only grant a Vaillant manufacturers 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).

3.5 Recycling and disposal

Both your VRC 430 and its packaging are primarily

made of recyclable raw materials.

Appliance

Neither the VRC 430 nor any of its accessories may be

disposed of in the household waste. Make sure the old

device and any existing accessories are disposed of

properly.

Packaging

Please leave the disposal of the transport packaging to

the qualified servicing company which installed the

appliance.

7Operating instructions VRC 430

4 Operation

hNote!

The operation of the VRC 430 should be

explained to you after installation by the

installer. This will prevent involuntary changes

to the settings.

4.1 Overview operating and display front

Th. 12.01.06

11:46

3.0 °C Outside

Auto 19.0 °C

VRC 430

Fig. 4.1 Overview operating and display front

Key

1 Display

2 Operating element of the right-hand dial

3 Operating element of the left-hand dial

Fig. 4.1 shows the default display. It provides

the following information:

– the operating mode (automatic, manual or off) of the

heating circuit 1

– the current room temperature

The default display is described in detail in

Chapter 4.3.3.

The functions of the two dials are described in

Chapter 4.3.

Operation 4

Operating instructions VRC 4308

4.2 Overview of the displays

The parameters and settings (operating values) of the

VRC 430 are shown on different screens.

The screens are sub-divided into:

– Default display (Fig. 4.1)

– Basic display (Fig. 4.2)

– Display/input screens for certain specific parameters

in the user level (see Chapter 4.4 and 4.5)

– Display/input screens for operating and installation

specific parameters in the installer level

All the screens are divided into three areas.

56.0 °C

Auto

> Select room temperature

21.0 °C

Th. 12.01.06

11:46

3.0 °C Outside

HC1

AutoDHW

Fig. 4.2 Overview display (example basic display)

Key

1 Area for basic data, title of the screen or status and error

messages

2 Area for display and input of parameters

3 Area for display of explanations

The basic data are:

– Current day

– Date

– Time of the day

– Outside temperature

In the screens for specific parameters, the title of the

screen appears instead of the basic data.

> Select room temperature

Th. 12.01.06

11:46

3.0 °C Outside

HC1

DHW 56.0 °C

21.0 °C

Auto

Auto

1234

Fig. 4.3 Area for display and input of parameters

(example basic display)

Key

1 Parameter name (only display)

2 Cursor



marks the scroll to a modifiable value

3 Input field for parameter values; here: target set temperature

4 Input field for parameter values; here: Operating mode

4.3 Operating concept

The operation in the default display is described in

Chapter 4.3.3.

The operating concept described below applies to the

basic display (Fig. 4.2) and to the various different

display/input screens of the user level.

The two dials (Fig. 4.1 Items 2 and 3) function according

to the Vaillant principle "Turn and Click".

When turning the dials (clockwise or anti-clockwise),

they index positively with each step. Each index step

also moves the cursor one position forwards or

backwards in the display.

By clicking (pressing) you can highlight or accept

changes to a parameter.

Action Outcome

Left-hand dial

Turn Scroll to next screen

Right-hand

dial

Turn Scroll to an input field

within a screen (marked by

the cursor



)

Changing a parameter

Clicking

(pushing) Highlight for changing

Turn Change the parameter

value

Clicking

(pushing) Save the value

Table 4.1 Operating concept

4 Operation

9Operating instructions VRC 430

4.3.1 Show various screens

By turning the left-hand dial you can page through the

individual screens of the display like a book.

Example:

You are now located in the basic display. To get to the

basic display see Chapter 4.3.3.

⇒Turn the left-hand dial clockwise by one notch.

In the screen 1 appears with the possible settings for

the basic data.

56.0 °C

Auto

> Select room temperature

21.0 °C

Th. 12.01.06

11:46

3.0 °C Outside

HC1

AutoDHW

Day of week We

12 : 00

> Set day of week



21 . 06 . 06

Basic data 1

Date

Time

> Select day of week



21.5 °C

HC1 2

Time programme

06 : 00 - 10 : 40

: - :

Auto

Summer/winter time changeover

Fig. 4.4 Display of the various screens

4.3.2 Changing parameters

⇒Turn the right-hand dial to scroll through the

parameters within the screen.

The position is indicated by the



cursor (see Fig. 4.5).

If a parameter (e.g. a date with day, month, year)

consists of several elements, scroll from one element to

the next by turning the right-hand dial.

56.0 °C

Auto

> Select room temperature



Th. 12.01.06

11:46

3.0 °C Outside

HC1

AutoDHW

21.0 °C

56.0 °C

Auto

> Select operation mode



Th. 12.01.06

11:46

3.0 °C

HC1

AutoDHW

21.0 °C

56.0 °C

Auto

> Select target hot water



Th. 12.01.06

11:46

3.0 °C

HC1

AutoDHW

21.0 °C

Outside

Fig. 4.5 Scroll to various different modifiable parameters

Operation 4

Operating instructions VRC 43010

⇒Click the right-hand dial.

The parameter value



marked by the cursor is

highlighted.

56.0 °C

Auto

> Select room temperature



Th. 12.01.06

11:46

3.0 °C Outside

HC1

AutoDHW

21.0 °C

Fig. 4.6 Highlighting a parameter

⇒Turn the right-hand dial to show the possible values.

56.0 °C

Auto

> Select room temperature



Th. 12.01.06

11:46

3.0 °C Outside

HC1

AutoDHW

21.0 °C

56.0 °C

Auto

Th. 12.01.06

11:46

3.0 °C

HC1

AutoDHW

21.5 °C

56.0 °C

Auto

Th. 12.01.06

11:46

3.0 °C

HC1

AutoDHW

22.0 °C

Outside

> Select room temperature

Fig. 4.7 Changing the values of a parameter

⇒Click the right-hand dial.

The value is saved and is no longer highlighted.

4 Operation

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