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19

Operating instructions VRC 430

Status and error messages

Status and error messages are displayed in the second 
row of the field for basic data.

Status messages

– Holiday programme active

Within a specified holiday time period the heating is 
limited to the room temperature specified for this 
period.

–  Maint telephone number of the installer

Indicates the requirement for heating system 
maintenance. 
In addition, the telephone number of your installer 
appears if he has programmed it in.

Error message:

Fault at boiler.

Indicates a fault in the heating system.

 Contact your installer.

Status and error messages 5

Summary of Contents for VRC 430 Operating and

Page 1: ...For the heating engineer for the owner Operating and Installation Manual VRC 430 Weather compensator VRC 430 GB ...

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Page 3: ...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...

Page 4: ...on 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 ...

Page 5: ...otentially dangerous situation for the product and environment h Note 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 th...

Page 6: ...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 ...

Page 7: ... Auto 19 0 C VRC 430 2 3 1 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 ...

Page 8: ...C1 DHW 56 0 C 21 0 C Auto Auto 1 2 3 4 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 T...

Page 9: ...k 21 5 C HC1 2 Mo 2 Time programme 3 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 t...

Page 10: ...n 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 Auto DHW 21 0 C 56 0 C Auto Th 12 01 06 11 46 3 0 C HC1 Auto DHW 21 5 C 56 0 C Auto Th 12 01 06 11 46 3 0 C HC1 Auto DHW 22 0 C Outside Outside Select room temperature Select room temperature Fig 4 7 Changing the values of a parameter Click the right hand dial The value is save...

Page 11: ...ay 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 desire...

Page 12: ...site for this is that the selected heating curve corresponds to the conditions and the function room temperature control is activated Turn the right hand dial Instead of the room temperature the current set room temperature is highlightedd After a delay of 1 second you can select the new room temperature Turn the right hand dial further until the desired room temperature appears After a delay of 2...

Page 13: ... or changed Level for the user Serves for the display and for the setting changing of the fundamental parameters The setting changing of parameters can be carried out by the user without any special previous knowledge and during normal operation Level for the installer Serves to display and for the setting changing of specific parameters and is restricted to the installer 4 6 Screens in the user l...

Page 14: ... 5 Circulation pump time programmes Weekday Block Select a weekday or a block of days e g Mo Fr 1 Start End Time of the day 2 3 There are three time periods available per day or block of days Hours Minutes 10 min 7 Holiday programming for the total system Holiday period Start Day Month Year End Day Month Year Holiday set target value heating Room temperature for the holiday time period C Frost pro...

Page 15: ...ing comfort The way in which the time window is programmed is described in the following example for heating circuit 1 You can define time windows in a similar way for hot water and for a circulation pump Turn the left hand dial until the screen 2 HC1 time programme is displayed 1 Select day of week 21 5 C HC1 2 Mo 2 Time programme 3 06 00 10 40 Fig 4 13 Screen 2 example Turn the right hand dial u...

Page 16: ...of time when you are not at home you can define a lower room temperature This will save heating energy The control ensures that the boiler heats up the living rooms only to this room temperature You can e g set a room temperature of 15 C if you are on holiday from the 10th to the 24th February In this time period the living rooms are heated only to 15 C You can also select the frost protection fun...

Page 17: ...m with different heating curves see Fig 4 15 Each heating curve from 0 2 4 0 gives a value for the heating flow temperature vertical diagram axis for a specific outside temperature horizontal diagram axis Fig 4 15 Diagram with heating curves for a room temperature of 20 C Example If the heating curve has been set to 1 5 this means that to achieve a room temperature of 20 C the boiler flow temperat...

Page 18: ...r highlighted H Attention Risk of being scalded by hot water When the target temperature is above 60 C there is a risk of scalding at the hot water taps Young children and elderly persons are particularly at risk even at lower temperatures Select the target temperature so that nobody is at danger 4 7 5 Changing the name of the system components On screen 14 you can see which names of components yo...

Page 19: ...ied holiday time period the heating is limited to the room temperature specified for this period Maintenance telephone number of the installer Indicates the requirement for heating system maintenance In addition the telephone number of your installer appears if he has programmed it in Error message Fault at boiler Indicates a fault in the heating system Contact your installer Status and error mess...

Page 20: ...Operating instructions VRC 430 20 ...

Page 21: ...2 Accessories 5 4 3 Installation location 5 4 4 Fitting the control in the boiler 5 4 5 Mounting the control on the wall 6 4 6 Fitting the outside sensor 6 5 Installation 8 5 1 Electrical installation of the control when mounted on the wall 8 5 2 Electrical installation of the outdoor sensor VRC 693 8 5 3 Electrical installation of the outdoor sensor VRC 9535 9 6 Initial commissioning 9 6 1 Instal...

Page 22: ...ment to the owner of the installation He will then determine the method of storage The documents must be made available upon request 1 2 Symbols used Please observe the safety instructions in this manual for the installation of the device d Danger Immediate risk of serious injury or death e Danger Danger of death by electric shock H Attention Danger of burning and scalding a Caution Potentially da...

Page 23: ... 230 V cylinder thermostat in combination with the relay box VR 41 The data interchange and power supply on the VRC 430 is via an eBUS interface The VRC 430 can be installed with the Vaillant remote control VR 81 The VRC 430 is compatible with the Vaillant Diagnosis Software vrDIALOG 810 2 and with the Vaillant Internet Communication System vrnetDIALOG i e for remote diagnosis and remote adjustmen...

Page 24: ...ge 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 Safety instructions and regulations The VRC 430 must be installed by a suitably qualified heating engineer who is responsible for adhering to the existing standards and regulations We accept no liability for any damage caused by failure...

Page 25: ...not be used in combination with a mixer module VR 61 or a solar module VR 68 Relay box VR 41 Using the relay box VR 41 a 230 V cylinder thermostat can be incorporated in the control system of the VR 430 VR 81 remote control device The remote control VR 81 is recommended if the VRC 430 is plugged into the boiler or if the second heating circuit is to controlled remotely The remote control VR 81 per...

Page 26: ...ugs supplied Insert the eBUS cable through the cable entry apertures 4 Use the screws supplied to fix the wall socket The electrical installation is carried out as described in Chapter 5 1 Carefully push the controller onto the wall socket until it clicks in position The pin rail on the back of the controller must fit into the plug connector 5 on the wall socket 4 6 Fitting the outside sensor The ...

Page 27: ...e outside and with a drip loop Remove the cover from the enclosure 1 of the outside sensor Drill two holes 6 mm diameter to suit the fixing apertures 5 Insert the plugs supplied Fix the wall socket 2 to the wall with 2 screws The cable entry must point downwards Release the cap nut 3 slightly and push the connection cable through the cable entry from below The electrical installation as described ...

Page 28: ...connection of the VRC 430 when mounted on a wall Key 1 Terminal rail VRC 430 2 Terminal rail boiler This is how to do it Connect the eBUS cable to the terminal rail of the VRC 430 Connect the eBUS cable to the terminal rail of the boiler hNote The connecting link between terminal 3 and 4 Fig 5 1 must not be removed When connecting the eBUS cable there is no need to observe the correct polarity Com...

Page 29: ...ready for operation hNote Set the two boiler dials for hot water and heating to maximum all the way to the right in order to ensure optimum control via the VRC 430 The operating concept of the VRC 430 is described in the operating instructions in Chapter 4 3 6 1 Installation assistant When commissioning the VRC 430 control for the first time you will be supported by the installation assistant whic...

Page 30: ...tion selected in the installation assistant screen A2 the parameters not required are hidden Setting changes are made as described in Chapter 4 3 of the operating instructions In order to get to the installer level you need to enter an access code From the default display access the installer level in the following way Click with one or both dials to get to the basic display from the default displ...

Page 31: ...n be set when the control is wall mounted or if the remote control is installed Thermostat Modulating None frost protection is active none modulating thermostat none Summer operation mode Offset If the outside temperature the room temperature Summer Offset the boiler switches off R 0 30 1 1 C9 HC1 parameters Set back temperature For the time period between the programmed time windows a set back te...

Page 32: ...Before the start of the first time window Mins 0 300 10 0 Max heating switch off time Before the end of a time window Mins 0 120 10 0 AT through heating When the outside temperature is reached continuous heating is active C OFF 25 10 1 Off C24 Service Telephone number Telephone number for support Changing the code number 0000 9999 each 1 1000 Maintenance date Day Month Year adjustable C25 Tools Ou...

Page 33: ... All requests for work during the guarantee period must be made to Vaillant Service Solutions 0870 6060 777 8 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 Packag...

Page 34: ...ion The frost protection system protects your heating system and your apartment from frost damage It remains active in the operating mode OFF The frost protection function monitors the outside temperature If the outside temperature falls below 3 C the heating pump is switched on for approx 10 mins and thereafter switched off for 10 to 60 min depending on the degree of the outside temperature If th...

Page 35: ...t This ensures that hot water is immediately available when you open the tap Time windows can be programmed for the circulation pump Hot water generation Your boiler heats the water in the hot water cylinder to the selected target temperature If the temperature in the hot water cylinder falls by specific value the water is heated up again to the target temperature Time windows can be programmed fo...

Page 36: ...set back temperature is the temperature to which your heating lowers the room temperature to outside the programmed time windows Summer Winter changeover In the screen 1 Basic Data in the menu point Mode selection you can determine whether the changeover from summer to winter should take place automatically Selection Auto The factory setting as supplied condition is for automatic changeover not to...

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