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Vaillant VRC 630 Operating Manual
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Vaillant VRC 630 Operating Manual

Bus modular control system for weather-controlled heating control
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Summary of Contents for Vaillant VRC 630

  • Page 1 VRC 630/3...
  • Page 3 For the operator Operating Manual VRC 630 Bus modular control system for weather-controlled heating control...

  • Page 4: Table Of Contents

    Setting the time ............24 5.3.5 Activating the summer/winter time changeover ............26 Setting the timer programmes ......27 5.4.1 Setting time windows ..........27 5.4.2 Setting the start and end times for time window 1 ............28 Operating manual VRC 630 0020095108_00...

  • Page 5: Notes On The Documentation 1

    (parameters, Name of the product menu names, operating modes, cross-refe- rences) The VRC 630 controller is hereafter described as the Example: Operating mode Auto controller. Highlighting A value is highlighted when it is shown in the display on a dark background.

  • Page 6: Safety

    2 Safety Safety Intended Use Safety and warning information The VRC 630 controller is a state-of-the-art appliance manufactured in accordance with recognised safety > When operating the controller, take account of the regulations. general safety instructions and the warning notes Even so, in the event of inappropriate or non-intended that appear before all of the actions.

  • Page 7: Directives, Laws And Standards

    > Ask your expert technician whether the thermostat control is active or check in Menu C2 in the Expert Technician level (¬ Chap. 5.9). Operating manual VRC 630 0020095108_00...

  • Page 8: Description Of The Device

    – Hot water circuit (in addition to the integrated hot water circuit). Several modulating Vaillant boilers or one and two- stage heating appliances can be connected using modu- lating bus couplers (accessory). The maximum number of boilers/heaters that can be connected depends on the bus coupler installed.

  • Page 9: System Overview

    VRC 630 controller with wall mount VR 10 standard sensor VRC DCF or VRC 693 external sensor depending on national variant (¬ Table 1.1) Table 3.2 Scope of delivery of the VRC 630 kit In the basic version: – one DHW cylinder, –...

  • Page 10: Overview Of Functions

    If Holiday is displayed instead of the opera- ting mode, the holiday programme is active. When the holiday programme is active, the operating mode cannot be set. It will be necessary to end the holiday programme to do this. Operating manual VRC 630 0020095108_00...

  • Page 11: Description Of Important Functions

    Thus any further cooling of the apartment is prevented. Get your expert technician to advise you about the optimum setting of the heating curve, as the measured outside temperature and the preset heating curve will also affect the control of the heating. Operating manual VRC 630 0020095108_00...
  • Page 12 0 °C, the controller provides a flow temperature of 67 °C. Your expert technician will have made the required basic setting of the heating curve while installing the heating system. Operating manual VRC 630 0020095108_00...
  • Page 13 The preset (night) set back temperature is applied auto- matically for each heating circuit if the outside tempera- ture falls below +3 °C. Operating manual VRC 630 0020095108_00...

  • Page 14: Overview Of Controls

    When you turn the left hand dial, you select a menu. When you press the left hand dial, you activate the special functions (¬ Chap. 5.10). A plain text display facilitates operation for you and identifies menus and parameters clearly. Operating manual VRC 630 0020095108_00...
  • Page 15 Name Parameters change Night set back temp 15°C Heating curve >Select target room temperature > select Code level enabled Code number: 0 0 0 0 >Adjust numeric character Fig. 3.6 Menu structure of Operator level Operating manual VRC 630 0020095108_00...

  • Page 16: Operating Levels In The Controller

    The Installer level comprises Menus C1 to C15, the menus for the Installation Assistant (A1 to A8) and the menus for the service functions (e.g. maximum output function). Operating manual VRC 630 0020095108_00...

  • Page 17: Menus In Different Operating Situations

    You can call up the menus in the Installer level and view the parameters, but you cannot alter them. Max limit outside temp. 20°C >Select target room temperature Table 3.5 Menu types The settable parameters are displayed on a grey back- ground. Operating manual VRC 630 0020095108_00...

  • Page 18: Overview Of Settable Parameters

    Enter any name with up to (¬ Chap. 5.8) 10 characters Code layer Code number Enter code number for enabled access to operating level for (¬ Chap. 5.9) heating engineers Table 3.6 Settable parameters in the Operator level Operating manual VRC 630 0020095108_00...

  • Page 19: Start-Up 4

    > Make use of the holiday programme (¬ Chap. 5.5) to save energy costs during your absence. Operating manual VRC 630 0020095108_00...

  • Page 20: Operation

    Selecting and marking parameters > Rotate the right hand dial until the cursor points to the parameter that you wish to change. > Press the right hand dial. The parameter is marked and can be set. Operating manual VRC 630 0020095108_00...

  • Page 21: Setting Parameters In The Basic Display

    If the temperature in the DHW cylinder falls below 12 °C, the cylinder is reheated to 17 °C (frost pro- tection). Table 5.2 Operating modes for the circulation circuit and the hot water circuit Operating manual VRC 630 0020095108_00...

  • Page 22: Setting The Target Room Temperature Using Heating Circuit Hk1 As An Example

    Wed 02.12.09 15:43 -3 °C Heating 22 °C Storey 1 20 °C Storey 2 Auto 15 °C Cylinder 55°C VRC 630 > Press the right hand dial. The operating mode is saved and takes effect. Operating manual VRC 630 0020095108_00...
  • Page 23 – immediately, if you have changed the target value during one of the time windows, – at the start of the next time window, if you have changed the target value outside a time window. Operating manual VRC 630 0020095108_00...

  • Page 24: Setting The Basic Data

    14 : 08 the day depends on the month. Summer/Winter time > Set month Requirement: Menu 1 Basic data is displayed > (¬ Chap. 5.1.1). Press the right hand dial. The changed month is saved. Operating manual VRC 630 0020095108_00...
  • Page 25 14 : 08 Summer/Winter time Summer/Winter time > Set day > Set year > > Press the right hand dial. Press the right hand dial. The changed day is saved. The changed year is saved. Operating manual VRC 630 0020095108_00...

  • Page 26: Setting The Day Of The Week

    > Set hour Time 14 : 08 Summer/Winter time > Turn the right hand dial until the desired Hour is > Set weekday displayed. > Press the right hand dial. The changed weekday is saved. Operating manual VRC 630 0020095108_00...
  • Page 27 Press the right hand dial. The minute is marked. Basic data Date 30 . 11 . 09 Time 15 15 Summer/Winter time > Set minute > Turn the right hand dial until the desired Minute is displayed. Operating manual VRC 630 0020095108_00...

  • Page 28: Activating The Summer/Winter Time Changeover

    The Summer/Winter time parameter is marked. Basic data Date 30 . 11 . 09 Time 15 : 15 Summer/Winter time Auto > Select mode > Turn the right hand dial until the desired Summer/Winter time parameter is displayed. Operating manual VRC 630 0020095108_00...

  • Page 29: Setting The Timer Programmes

    You can set the same time windows for the Sat-Sun DHW cylinder and the circulation pump. 6:00 – 9:30 16:30 – 21:30 – The control system operates according to the heating >Select weekday/block curve and the target room temperature. Operating manual VRC 630 0020095108_00...

  • Page 30: Setting The Start And End Times For Time Window 1

    8:00 – 9:30 8:00 – 16:30 16:30 – 21:30 16:30 – 21:30 – – > Set start time > Set end time > Turn the right hand dial until the desired Start time is displayed. Operating manual VRC 630 0020095108_00...

  • Page 31: Setting The Holiday Programme

    The parameters on a grey background can be set. Ending the holiday programme If you want to end the holiday programme prematurely, set the end date so that it is ahead of the current date. Operating manual VRC 630 0020095108_00...

  • Page 32: Setting Time Periods

    16°C >Select target room temperature >Select target room temperature > Turn the right hand dial until the desired target > temperature is displayed. Press the right hand dial. The Night set back temperature is marked. Operating manual VRC 630 0020095108_00...

  • Page 33: Setting The Heating Curve

    If the selected heating curve is too low, the desired tem- perature level may only be reached after a while or not reached at all. Operating manual VRC 630 0020095108_00...

  • Page 34: Setting The Hot Water Temperature

    Turn the right hand dial until the desired target temperature is displayed. Choose the target cylinder temperature for the hot water so that your heat requirements are covered exactly. You will save energy and costs this way. Operating manual VRC 630 0020095108_00...
  • Page 35 : EK 1 : HK2 : HK2 > Select > Select > Turn the right hand dial until the letter T is dis- > Turn the right hand dial until the letter E is dis- played. played. Operating manual VRC 630 0020095108_00...
  • Page 36 > Select > Press the right hand dial. The space is marked. Name change : E A1 : HK2 > Select > Turn the right hand dial until the letter A is dis- played. Operating manual VRC 630 0020095108_00...

  • Page 37: Viewing The Parameters In The Installer Level

    If you turn the left hand dial, you can view all the menus in the Installer and Operator levels. You can still set all the parameters in the Operator level. Operating manual VRC 630 0020095108_00...

  • Page 38: Using Special Functions

    The cursor is in front of the End of energy saving function parameter. Wed 02.12.09 15:43 -3 °C Energy saving enabled 18:30 >Select end time > Press the right hand dial to mark the End of energy saving function parameter. Operating manual VRC 630 0020095108_00...

  • Page 39: Activating The Advance Function

    The controller ends the One-time cylinder charging Interrupting the Advance function and switches to the basic display. > Press the left-hand dial twice. The controller ends the Advance function and switches to the basic display. Operating manual VRC 630 0020095108_00...

  • Page 40: Service Functions (Only For The Expert Technician)

    Cleaning and caring for the controller > Use only a damp cloth to clean the casing of the con- troller. > Never use scouring or cleaning agents which could damage the operating elements or the display. Operating manual VRC 630 0020095108_00...

  • Page 41: Troubleshooting 6

    Storey 1 18°C Cylinder Auto 60 °C VRC 630 This service message alerts you to required servicing of the heating installation. Additionally, the expert technician's telephone number appears if the engineer has programmed it in. Operating manual VRC 630 0020095108_00...

  • Page 42: Detecting And Rectifying Malfunctions

    Table 6.1: Error messages and causes Further error codes and descriptions of their causes can be found in the manuals for the components of your heating installation. Operating manual VRC 630 0020095108_00...

  • Page 43: Taking Out Of Service 7

    > Make use of the holiday programme (¬ Chap. 5.5) to save energy costs during your absence. Operating manual VRC 630 0020095108_00...

  • Page 44: Recycling And Disposal

    8 Recycling and disposal Recycling and disposal Both your Vaillant VRC 630 controller and its packaging are primarily made of recyclable raw materials. Appliance Neither your controller nor any of its accessories belong in the household waste. Make sure the old unit and any accessories present are disposed of properly.

  • Page 45: Energy Saving Tips 9

    This is how a thermostatic valve works: When the room temperature rises above the value set on the sensor head, the thermostatic valve closes automatically. When the room temperature falls below the set value, the thermostatic valve opens once more. Operating manual VRC 630 0020095108_00...
  • Page 46 Use the special one-time cylinder charging mode The DHW cylinder can be heated once outside the time window by using the special One-time cylinder charging mode. Thus hot water is quickly available on demand, even outside the time window. Operating manual VRC 630 0020095108_00...

  • Page 47: Warranty And Customer Service 10

    Warranty and Customer Service 10 10 Warranty and Customer Service 10.1 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.
  • Page 48 - of the 230 V connection lines 1.50 Dimensions of the wall box Height Width Depth Level of protection IP 20 Controller protection class Degree of environmental pollution Normal Table 11.1 Technical data for VRC 630 Operating manual VRC 630 0020095108_00...

  • Page 49: Technical Data

    Maintenance date OFF, 0 - 12 h Temp. fault detection after Tool Temperature correction: Outside temperature -5 ... +5 K Current room temperature -3 ... +3 K Display contrast 0 - 15 Table 11.2 Default settings Operating manual VRC 630 0020095108_00...

  • Page 50: Glossary

    Temporarily heating the water control device. to above 65 °C kills off the legionella. Operating manual VRC 630 0020095108_00...
  • Page 51 The dials are buttons with which, by turning and pres- put; at higher outside temperatures the heating output sing, you can select menus or parameters, and alter and is reduced. save values. Operating manual VRC 630 0020095108_00...

  • Page 52: Index

    Setting the time ............24 Setting timer programmes ........27 Setting time windows ..........28 Parameters in the operator level ......... 19 Settable parameters in the operator level (overview) Setting the room temperature ....... 20 Operating manual VRC 630 0020095108_00...
  • Page 53 Technical data ..............46 Time window ..............8, 9 Time windows ..............27 Troubleshooting ............... 39 Type overview ..............3 Viewing the parameters in the Installer level ..35 Weather compensation ............. 8 Weather compensator ............ 49 Operating manual VRC 630 0020095108_00...
  • Page 55 For the heating engineer Installation Manual VRC 630...
  • Page 56 Observe the requirements for the 7.2.5 Menu 5: Setting the set-back temperature, installation location ...........21 heating curve and hot water temperature Installing the VRC 630 heating controller ..22 (cylinder target) ............53 4.8.1 Installing the controller with a wall mount ..22 7.2.6 Menu 7: Changing names ........
  • Page 57 Warranty and customer service ....87 10.1 Vaillant warranty ............87 10.2 Vaillant Service ............87 Technical data ..........88 13.1 Technical data for the VRC 630 ......88 13.2 Sensor characteristics ..........88 13.3 Factory settings ............89 Declaration of conformity ..........91 Glossary ................. 92 Index ................

  • Page 58: Notes On The Documentation

    Always observe all installation instructions for struc- 0020092438 tural parts and components of the system when 0020092439 0020092440 installing the VRC 630 controller. These installation 0020092430 instructions are included with the individual assemblies in the system and the additional compo- Table 1.1 Type summary nents.

  • Page 59: Name Of The Unit

    § 2, 7. GSGV have been satisfied and that production units conform to the tested type sample. Name of the unit The VRC 630 controller is hereafter described as the controller. Installation Instructions VRC 630 0020095108_00...

  • Page 60: Safety Instructions And Regulations

    2 Safety instructions and regulations Safety instructions and regulations Intended Use Safety and warning information The VRC 630 weather compensator is a state-of-the-art appliance manufactured in accordance with recognised > When operating the controller, take account of the safety regulations.

  • Page 61: Directives, Laws And Standards

    > Inform the owner as to how to ensure protection from frost. Installation Instructions VRC 630 0020095108_00...

  • Page 62: Equipment And Functional Description

    (¬ Fig. 3.1). To expand the central heating installation, up to six additional mixer circuit modules (accessory), each with two mixer circuits, can be connected. This means: the controller can control a maximum of 15 circuits. Installation Instructions VRC 630 0020095108_00...

  • Page 63: Overview Of Functions

    Allows the DHW cylinder to charge up once, indepen- dently of the current timer programme Several modulating Vaillant boilers or one and two- stage heating appliances can be connected using modu- Holiday function / Holiday programme lating bus couplers (accessory).

  • Page 64: Operating Modes

    Exception:If the temperature in the DHW cylinder falls below 12 °C, the cylinder is reheated to 17 °C (frost protection). Table 3.3 Operating modes for the circulation circuit and the hot water circuit Installation Instructions VRC 630 0020095108_00...

  • Page 65: Description Of Important Functions

    Thus any further cooling of the apartment is prevented. > Advise the owner about the optimum setting of the heating curve, as the measured outside temperature and the preset heating curve will also affect the control of the heating. Installation Instructions VRC 630 0020095108_00...
  • Page 66 This means that when the outside temperature is 0 °C, the controller provides a flow temperature of 67 °C. Make the required basic setting of the hea- ting curve while installing the heating system. Installation Instructions VRC 630 0020095108_00...
  • Page 67 (dependent on the outside temperature) is not activa- ted, then the heating circuit will be switched off during the set-back period. The preset (night) set-back temperature is applied auto- matically for each heating circuit if the outside temperature falls below +3 °C. Installation Instructions VRC 630 0020095108_00...

  • Page 68: Overview Of Controls

    When you turn the left hand knob, you select a menu. When you press the left hand knob, you activate the special functions (¬ Chap. 7.7). A plain text display facilitates operation for you and identifies menus and parameters clearly. Installation Instructions VRC 630 0020095108_00...
  • Page 69 Name Parameters change Set-back temperature 15°C Heating curve <HK2> <HK2> >Select target room temperature > select Code level enabling Code number: 0 0 0 0 >Adjust numeric character Fig. 3.6 Menu structure of Operator level Installation Instructions VRC 630 0020095108_00...
  • Page 70 Minimum temperature 15°C Setpoint flow temp. 90 °C Maximum temperature 90 °C Current flow temp. 50 °C Max. preheating 0 min Pump status Mixer status Open >Select flow temperature Fig. 3.7 Menu structure of Installer level Installation Instructions VRC 630 0020095108_00...
  • Page 71 > Set time delay > select Heating appliance Information System set temp. 90 °C Low loss header temp. ACTUAL 30 °C Status Heating mode Boiler sequence 7 8 Fig. 3.7 Menu structure of Installer level (continued) Installation Instructions VRC 630 0020095108_00...

  • Page 72: Operating Levels In The Controller

    The Installer level comprises Menus C1 to C15, the menus for the Installation Assistant (A1 to A7) and the menus for the service functions (e.g. maximum output function). Installation Instructions VRC 630 0020095108_00...

  • Page 73: Menus In Different Operating Situations

    These menus are identified by a 'C' and a number at the top right of the display. Set-back temperature 15 °C Heating curve 1.20 Max limit outs.temp. 20°C >Select target room temperature Table 3.4 Menu types The settable parameters are displayed on a grey back- ground. Installation Instructions VRC 630 0020095108_00...

  • Page 74: Assembly

    VR 31 switching bus coupler Scope of delivery The VR 31 bus coupler allows the VRC 630 central con- troller to communicate with a switching heating appli- ance. With this combination, the communication The controller is supplied as a kit.

  • Page 75: Unpacking The Unit

    – is not in direct sunlight, the system. A standard sensor is available in the Vaillant – is facing north or north-west. > accessory range to this end. The VR 10 standard sensor...

  • Page 76: Installing The Vrc 630 Heating Controller

    4 Assembly Installing the VRC 630 heating controller 4.8.1 Installing the controller with a wall mount The material supplied includes the controller and the wall mount with the electrical connector strips. The con- nector strips are implemented in System ProE techno- logy.

  • Page 77: Installing The Controller As A Remote Control Device

    Push the controller (1) on to the mounting box until it > Lay the electrical lines up to the boiler expediently engages. > before installing the controller. Insert the supplied cover in the wall mount. > Fit the cover. Installation Instructions VRC 630 0020095108_00...

  • Page 78: Installing The Dcf Receiver With Integrated External Sensor

    Fix the wall socket (4) to the wall with two screws. The cable entry must point downwards. >2 m >2 m N, NW Fig. 4.5 Installation location for the DCF receiver > Observe the requirements for the installation location (¬Chap. 4.6) Installation Instructions VRC 630 0020095108_00...

  • Page 79: Fitting The Vrc 693 External Sensor

    20 minutes. >1 m N, NW Fig. 4.8 Installation location for the VRC 693 external tempe- rature sensor It can be installed either in or on the wall, depending on the accessibility of the location. Installation Instructions VRC 630 0020095108_00...
  • Page 80 Make sure that the seal is correctly seated in the cover of the housing (5). > Press the cover (5) on to the housing (4). > Fix the cover (5) to the housing (4) with the screws supplied. Installation Instructions VRC 630 0020095108_00...

  • Page 81: Electrical Installation 5

    > Remove a maximum of 30 mm of insula- tion to fit the ProE plug. The VRC 630 has a mains switch which can > Take care to wire up correctly. be used to switch off the internal electronics and all connected actuators (pumps, mixers) for testing or maintenance purposes.

  • Page 82: Connecting A Boiler With Ebus

    > Pay attention to the correct polarity. > Wire up the connections to the boiler as shown in Fig. 5.2. The eBUS line (at least 2x 0.75 mm ) must be supplied by the customer. Installation Instructions VRC 630 0020095108_00...

  • Page 83: Wiring

    This circulation pump is assigned to the cylinder charging circuit which has not been reconfi- gured. A settable timer programme, independent of the cylinder charging programme, can be used for this cir- culation pump. Installation Instructions VRC 630 0020095108_00...

  • Page 84: Inputs For Special Functions

    If you connect a teleSWITCH (accessory) to this input, the operating mode of the connected heating circuits, hot water circuits and the circulation pump can be chan- ged remotely over the telephone network, depending on the setting in Menu C9. Installation Instructions VRC 630 0020095108_00...

  • Page 85: Connector Assignment

    VRC DCF outdoor sensor Connection for switching boiler stage 1 Cylinder charging enable (MF-TEC replacement only) Connection for modulating Connection for switching boiler1 boiler stage 2 Connection for modulating Diverter valve boiler2 Fig. 5.4 Connector assignment Installation Instructions VRC 630 0020095108_00...

  • Page 86: Peculiarities If A Domestic Hot Water Cylinder Is Connected

    (e.g. wall mounted gas boiler, connection via eBUS) – 1 DHW cylinder – 1 uncontrolled heating circuit (direct circuit, control via remote control device) – 2 controlled heating circuits (2 underfloor circuits, control via remote control devices) Installation Instructions VRC 630 0020095108_00...
  • Page 87 Electrical installation 5 HK1-P HK2-P HK3-P Fig. 5.5 Wall-mounted boiler with VRC 630 DHW cylinder Circulation pump Cylinder sensor Cold water VF 1 Flow sensor 1 VF 2 Flow sensor 2 VF 3 Flow sensor 3 HK 1-P Heating circuit pump 1...
  • Page 88 4 controlled heating circuits (4 underfloor circuits, control via remote control devices) VR 60 HK1-P HK2-P HK3-P HKa-P HKb-P VR 32 VR 32 VR 32 LP/UV1 Fig. 5.6 Wall-mounted boilers with VRC 630 VIH downstream of low-loss header Installation Instructions VRC 630 0020095108_00...
  • Page 89 Fig. 5.7 E-box for connecting the VR 32 bus coupler eBUS interface to the VR 32 bus coupler 2 eBUS (only use without the VR 32 for the first boiler) > Take note of the VR 32 bus coupler manual. Installation Instructions VRC 630 0020095108_00...
  • Page 90 1 domestic hot water cylinder 1 uncontrolled heating circuit (direct circuit, control via remote control device) 2 controlled heating circuits (2 radiator circuits, control via remote control devices) HK1-P HK2-P HK3-P LP/UV1 Fig. 5.8 VRC 630 floor-standing unit 1 Installation Instructions VRC 630 0020095108_00...
  • Page 91 Mixer for heating circuit 3 LP/UV1 cylinder charging pump/Diverter valve Caution - illustration shows principle only! This system schematic does not include all the shut-off and safety devices necessary for professional assembly. System-specific plan- ning is required! Installation Instructions VRC 630 0020095108_00...
  • Page 92 1 uncontrolled heating circuit (direct circuit, control via remote control device) 1 controlled heating circuit (1 radiator circuit, cont- rol via remote control device) HK1-P HK2-P HK3-P LP/UV1 Fig. 5.9 VRC 630 with an ecoCRAFT Installation Instructions VRC 630 0020095108_00...
  • Page 93 Mixer for heating circuit 3 LP/UV1 cylinder charging pump/Diverter valve Caution - illustration shows principle only! This system schematic does not include all the shut-off and safety devices necessary for professional assembly. System-specific plan- ning is required! Installation Instructions VRC 630 0020095108_00...
  • Page 94 2 regulated heating circuits (1 floor circuit, 1 radia- tor circuit, control via remote control device) VR 60 HK1-P HK2-P HK3-P HKa-P HKb-P LP/UV1 VR 32 Fig. 5.10 VRC 630 with two ecoCRAFTs Installation Instructions VRC 630 0020095108_00...

  • Page 95: Connecting The Dcf Receiver

    If you have fitted the VRC DCF external sensor, note that: – Normally, the synchronisation time for radio recep- tion is approx. 5 minutes but, depending on the local and structural conditions as well as the wea- ther, can take up to 20 minutes. Installation Instructions VRC 630 0020095108_00...

  • Page 96: Connecting Accessories

    It simply has to be ensured that the bus interfaces are eventually connected to the cen- tral controller. The structure of the Vaillant system allows you to run the eBus from component to component (¬Fig. 5.8). This means that the cables can be interchanged without impairing communication.

  • Page 97: Connecting Modulating Heating Appliances Without Ebus

    Fig. 5.15 Connecting more than 2 heaters in cascade If more than two boilers are to be connected in a cas- cade, a VR 30 modulating bus coupler (accessory) is required for each boiler. Installation Instructions VRC 630 0020095108_00...

  • Page 98: One And Two Stage Heating Appliances

    (¬ Fig. 4.3, (4)). > Fix all cables with the accompanying cable clamps (¬ Fig. 4.3, (5)). > Fit the housing cover (¬ Fig. 4.2, (2)). > Connect the controller to the power supply. Installation Instructions VRC 630 0020095108_00...

  • Page 99: Start-Up 6

    Select an uncontrolled pump characteristic which cor- responds to the heating installation at boiler dia- gnostic point d.14. Fig. 6.1 Switching the controller on/off Rocker switch > Press the rocker switch (1) to switch the controller on/off. Installation Instructions VRC 630 0020095108_00...

  • Page 100: Automatic Initial Start-Up

    Set the heating circuit type for the connected cir- cuits. Depending on this setting for each heating circuit, only the values and parameters that are of significance for the selected circuit type will be displayed in all the menus. Installation Instructions VRC 630 0020095108_00...

  • Page 101: Protecting The Installer Level From Unauthorised Access

    (¬ Table 13.5). – The parameters you can set and optimise in the Installer level are described in Chapter 7.3. An over- view of these parameters can be found in the appen- dix (¬ Table 13.4). Installation Instructions VRC 630 0020095108_00...

  • Page 102: Operating The Controller

    Selecting and marking parameters > Turn the right hand knob until the cursor is pointing to the parameter that you wish to change. > Press the right hand knob. The parameter is marked and can be set. Installation Instructions VRC 630 0020095108_00...

  • Page 103: Setting And Optimising Parameters In The Operating Level

    Target temperature Target temperature for the DHW cylinder 35 °C ... 70 °C 60 °C Table 7.1 Operating modes and target temperatures Installation Instructions VRC 630 0020095108_00...

  • Page 104: Menu 1: Setting The Basic Data

    – If you set the Summer/Winter time parameter to Auto, the controller can switch between summer and winter time automatically, even though the external sensor has no DCF receiver. Table 7.2 Basic data Installation Instructions VRC 630 0020095108_00...

  • Page 105: Menu 3: Setting Time Slots

    If a different time slot has been programmed for one day (e.g. Wed) within a block (e.g. Mon-Fri), Mon-Fri --:- - will be displayed for the block. In this case you must set the time slots for each day individually. Installation Instructions VRC 630 0020095108_00...

  • Page 106: Menu 4: Holiday Programming

    > Set the target temperature to the value at which the heating is to operate during the absences. > Observe the information on frost protection (¬ Chap. 3.4). Table 7.4 Holiday programme Installation Instructions VRC 630 0020095108_00...

  • Page 107: Menu 5: Setting The Set-Back Temperature, Heating Curve And Hot Water Temperature (Cylinder Target)

    If the selected heating curve is too low, the desired temperature level may only be reached after a while or not reached at all. Set-back temperature and heating curve Table 7.5 > Inform the owner about the optimum settings. Installation Instructions VRC 630 0020095108_00...
  • Page 108 60 °C > Select the target cylinder temperature for the hot water so that the owner's heat requirement is just covered. The owner will save energy and costs as a result. Table 7.6 Target cylinder temperature Installation Instructions VRC 630 0020095108_00...

  • Page 109: Menu 7: Changing Names

    The controller saves the new name and displays it in all menus henceforth. After an extended period without any operations, the display automatically reverts to the basic display. The end result might look like this: Name change : Floor1 : Bathroom > Select Installation Instructions VRC 630 0020095108_00...

  • Page 110: Menu 7: Enabling The Installer Level

    You can enable the Installer level using the standard code until the access code has been changed (¬ Menu C11). – After a new access code has been entered, the standard code will no longer be displayed in Menu Table 7.8 Target cylinder temperature Installation Instructions VRC 630 0020095108_00...

  • Page 111: Setting And Optimising Parameters In The Installer Level

    Installer level. All menus which can be accessed in the Installer level, together with the parameters and displayed values, are listed in the following tables. Installation Instructions VRC 630 0020095108_00...

  • Page 112: Menu C2: Setting The Parameters For Hk1

    Return temperature 30°C Return temperature 25°C > Select return temperature Many parameters are held in Menu C2. They cannot all be displayed on a single screen. > Turn the left hand knob to display more parameters. Installation Instructions VRC 630 0020095108_00...
  • Page 113 – Once preheating has been started, it is only ended at the start of the first time slot (not ended if the outside temperature rises in the meantime). Table 7.9 Settable parameters in Menu C2 Installation Instructions VRC 630 0020095108_00...
  • Page 114 Return temperature – Target temperature of the mixer circuit when used for return tempe- 15 ...60° C 30 °C rature control Return temperature – Measured return temperature ACTUAL Table 7.9 Settable parameters in Menu C2 (continued) Installation Instructions VRC 630 0020095108_00...

  • Page 115: Menu C3

    Status load pump – Indicates whether the charging pump is switched on or off (ON/OFF) Circulation pump – Indicates whether the circulation pump is switched on or off (ON/OFF) Table 7.11 Displayed information for the DHW cylinder Installation Instructions VRC 630 0020095108_00...

  • Page 116: Menu C4: Setting The Parameters For The Cylinder Charging Circuit

    If, for example, a fixed-value circuit at 90 °C is active during cylin- der charging, the target flow temperature is 90 °C. Table 7.12 Settable parameters in Menu C4 Installation Instructions VRC 630 0020095108_00...
  • Page 117 The anti-Legionella function starts automatically when the set 00:00 ... 4:00 - start time is reached. 23:50 > Agree with the owner a suitable time for the anti-Legionella func- tion, to avoid scalding. Table 7.12 Settable parameters in Menu C4 (continued) Installation Instructions VRC 630 0020095108_00...

  • Page 118: Menu C7: Setting The Parameters For The Entire System

    (setting range 0 - 23 h). – If the measured room temperature is lower than the preset set- back temperature, the frost protection is also activated (regard- less of the measured outside temperature). Table 7.13 Settable parameters in Menu C7 Installation Instructions VRC 630 0020095108_00...
  • Page 119 For this reason you can set a common boiler temperature excess for all mixer circuits. The boiler temperature excess will increase the current heating circuit target value by the amount set. Table 7.13 Settable parameters in Menu C7 (continued) Installation Instructions VRC 630 0020095108_00...

  • Page 120: Menu C8: Setting The Minimum Temperature

    Aim of this function is to provide the cylinder charging output quickly. of boilers Defines the number of boiler stages or heating appliances which will be used to start the cylinder charging Table 7.14 Settable parameters in Menu C8 Installation Instructions VRC 630 0020095108_00...
  • Page 121 Displays the current status of the heating installation (e.g. heating mode) Only for cascades Boiler seq Displays the current sequence in which the boilers are switched on Table 7.14 Settable parameters in Menu C8 (continued) Installation Instructions VRC 630 0020095108_00...

  • Page 122: Menu C9: Setting The Special Functions

    Heating, Auto, When the telephone contact is Eco, Energy sav., closed, the remote telephone On, Off switch switches from the active operating mode to the mode set here. Table 7.16 Effect of the set operating mode Installation Instructions VRC 630 0020095108_00...

  • Page 123: Special Function - Screed Floor Drying

    (frost protection function, pump in opera- tion) Table 7.18 Temperature profile for floor drying In Menu C9 the controller displays the operating mode for floor drying together with the current day and the associated target flow temperature. Installation Instructions VRC 630 0020095108_00...
  • Page 124 – automatically when the last day of the temperature profile has passed (Day = 29) – if you set the start day for the corresponding heating circuit to 0 (Day = 0) in Menu C9. Installation Instructions VRC 630 0020095108_00...

  • Page 125: Menu C11: Setting The Service Dates And Access Code

    0 ... 12 h played for the affected heating circuit. You activate the temperature fault detection when you set a time interval. Table 7.19 Settable parameters in Menu C11 Installation Instructions VRC 630 0020095108_00...
  • Page 126 The new access code will be saved. If you do not know the access code, you can: – reinstate the standard code 1000 by means of a controller reset or – read out the access code with vrDIALOG 810. Installation Instructions VRC 630 0020095108_00...

  • Page 127: Menu C12: Setting The Temperature Correction And The Display Contrast

    Entries are not possible. The version numbers are auto- matically detected and displayed during commissioning. Software versions I/O card 4.23 User Interface 4.27 Menus A1 to A7 of the Installation Assistant are con- nected to Menu C12. Installation Instructions VRC 630 0020095108_00...

  • Page 128: Parameters In The Installation Assistant

    Boilers on – Boilers on (only appears if no bus coupler or directly con- Stage 1-2 or 7, 8, 9 nected eBUS boiler has been detected) 7, 8, 9 Table 7.22 Settable parameters in Menu A4 Installation Instructions VRC 630 0020095108_00...

  • Page 129: Menu A5: Setting Priority And Cascade Parameters

    > 100 and re-sorts the boilers if this is the case. Table 7.23 Settable parameters in Menu A5 > Set the parameters according to the heating installa- tion. Installation Instructions VRC 630 0020095108_00...

  • Page 130: Menu A6: Setting The Type Of Use

    Cylinder charging circuit: Control of an additional DHW cylinder – disabled: when this circuit is not being used. – blanks the parameters for the circuit – no target flow temperature is determined for the circuit. Installation Instructions VRC 630 0020095108_00...

  • Page 131: Menu A7: Testing Actuators And Sensors

    Setting range parameters > Component Select one of the connected components to perform an VRC 630, VR 60, VR 31, VIH-RL, actuator/sensor test on it. VPM S, VMS, VM W ... (depending – Displays the selected component on component connected) Actuators –...

  • Page 132: Exiting The Installer Level

    The mixers remain in their last position. The method for activating and terminating the maximum output function is described in the Operating Sequence for Service Func- Activating the special functions tions. Special functions are called up from the basic display. Installation Instructions VRC 630 0020095108_00...
  • Page 133 Aborting the Energy saving function > Press the left hand knob three times. The controller ends the Energy saving function and changes back to the basic display. Installation Instructions VRC 630 0020095108_00...
  • Page 134 The controller ends the One-time cylinder charging basic display. function and changes back to the basic display. Aborting the Advance function > Press the left hand knob twice. The controller ends the Advance function and changes back to the basic display. Installation Instructions VRC 630 0020095108_00...

  • Page 135: Hand-Over To The Owner 8

    If the room temperature incorporation is activated, advise the owner that, in the room where the control- ler is mounted, all the radiator valves must be fully open. > Inform the owner about the measures for Legionella and frost protection. Installation Instructions VRC 630 0020095108_00...

  • Page 136: Troubleshooting

    Use the vrDIALOG 810 software to view the fault his- Wed 02.12.09 15:43 -3 °C tory. Service Heating 22.0°C When there are several messages, the display storey 1 18.0°C steps on to the next message every Cylinder Auto 60.0°C 2 seconds. VRC 630 Installation Instructions VRC 630 0020095108_00...

  • Page 137: Overview Of Error Codes

    Table 9.1: Error codes and causes Further error codes and descriptions of their causes and remedies can be found in the manuals for the compo- nents of the heating installation. Installation Instructions VRC 630 0020095108_00...

  • Page 138: De-Commissioning

    Off (¬ Fig. 10.1). > Disconnect the controller from the mains. > Secure the power supply against being switched on again. The rest of the procedure depends on where the con- troller is installed. Installation Instructions VRC 630 0020095108_00...

  • Page 139: Disposing Of The Controller

    Unfasten and remove the eBUS cable from the termi- nal strip on the controller. > Unfasten and remove the cable for the external sen- sor. > Unscrew the wall mount from the wall. > Plug the holes in the wall if necessary. Installation Instructions VRC 630 0020095108_00...

  • Page 140: Recycling And Disposal

    11 Recycling and disposal Recycling and disposal Both your Vaillant VRC 630 controller and its packaging are primarily made of recyclable raw materials. Disposing of the controller Neither the controller or any of its accessories belong in the household waste. Make sure the old appliance and any accessories are disposed of properly.

  • Page 141: Warranty And Customer Service 12

    Warranty and customer service 12 12 Warranty and customer service 12.1 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.

  • Page 142: Technical Data

    Level of protection IP 20 Protection class of controller Table 13.2 VR 10 sensor characteristics Degree of ambient pollution Normal Table 13.1 Technical data for the VRC 630 Characteristics of external sensor Temperature in °C R in kOhm 2.167 2.076 1.976...

  • Page 143: Factory Settings

    Return flow boost/Cylinder charging cir- Cylinder cuit/disabled Cylinder Cylinder charging circuit/, disabled charging circuit Table 13.4 Factory settings *) Which parameters are actually displayed in the menu depends on the compnents connected and the settings. Installation Instructions VRC 630 0020095108_00...
  • Page 144 Enter any name with up to Chap. 7.2.6) 10 characters Enable Code level Code number Enter code number for (¬ Chap. 7.2.7) access to operating level for heating engineers Table 13.5 Settable parameters in the Operator level Installation Instructions VRC 630 0020095108_00...

  • Page 145: Declaration Of Conformity

    Appendix Declaration of conformity Fig. A.1 Declaration of conformity Installation Instructions VRC 630 0020095108_00...

  • Page 146: Glossary

    The flow temperature in heating installations, calculated as a function of the outside temperature, is known as the heating curve. The flow temperature in the heating circuit gets warmer the lower the outside temperature becomes. Installation Instructions VRC 630 0020095108_00...
  • Page 147 (2 = objects > 12.5 mm Ø). cation of electrical equipment with reference to the The second digit indicates the protection of the equip- existing safety measures to prevent electric shocks. ment from the ingress of water (0 = no protection). Installation Instructions VRC 630 0020095108_00...
  • Page 148 Vaillant teleSWITCH remote telephone switch for Special operating modes: remote control of the heating by telephone. If the Auto mode has been selected for the cylinder cir-...
  • Page 149 At low outside tempera- tures the controller provides increased heating output; at higher outside temperatures the heating output is reduced. Installation Instructions VRC 630 0020095108_00...

  • Page 150: Index

    ......47 Connector assignment ............31 Setting and optimising parameters ......57 External sensor ..............41 Installing the VRC 630 heating controller ...... 22 Wiring................... 29 Intended use ................6 Energy saving function ............10 Equipment and functional description ........8 Construction and function ..........8...
  • Page 151 Frost protection delay ............. 64 Weather compensator ............95 Heating curve ............. 53, 59 Hot water temperature ........... 54 Legionella protect - start..........63 Low-loss header temp. ACTUAL ........67 Max. pre-switch off ............64 Installation Instructions VRC 630 0020095108_00...

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