Vaillant VRC 630 Operating Manual Download Page 88

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Example 2

If the DHW cylinder is installed downstream of the low-
loss header, you will have to set the

Rev. seq. control

parameter in Installation Assistant Menu

On boilers with a priority switching valve for hot
water generation installed, unplug the connector to
the valve.

VF1

HK1-P

HK2-P

HK3-P

LP/UV1

HK2

HK3

HKa-P

HKa

HKb-P

HKb

VF2

VR 32

2
BUS

BUS

VR 32

VR 60

VF3

VFa

VFb

ZIR

Fig. 5.6 Wall-mounted boilers with VRC 630 VIH downstream

of low-loss header

The heating system consists of:
-

4 heat sources (e.g. 4 wall mounted gas boilers,
connection via eBUS)

- 1

DHW

cylinder

(connected downstream of the low-loss header)

1 uncontrolled heating circuit
(direct circuit, control via remote control device)

4 controlled heating circuits (4 underfloor
circuits, control via remote control devices)

Installation Instructions VRC 630 0020095108_00

5 Electrical installation

Summary of Contents for VRC 630

Page 1: ...GB VRC 630 3 ...

Page 2: ......

Page 3: ...For the operator Operating Manual VRC 630 Bus modular control system for weather controlled heating control ...

Page 4: ...g the basic data 22 5 3 1 Calling up Menu 1 22 5 3 2 Setting the date 22 5 3 3 Setting the day of the week 24 5 3 4 Setting the time 24 5 3 5 Activating the summer winter time changeover 26 5 4 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 5 5 Setting the holiday programme 29 5 5 1 Setting time periods 30 5 5 2 Setting the ...

Page 5: ...int styles and identifiers Bold Bold text denotes important information proper names and identifiers parameters menu names operating modes cross refe rences Example Operating mode Auto Highlighting A value is highlighted when it is shown in the display on a dark background 1 4 Applicability of the manual This operating manual applies exclusively to equipment with the following article numbers Type...

Page 6: ...e with recognised safety regulations Even so in the event of inappropriate or non intended use impairment of the device and other material assets can arise The VRC 630 controller is used for weather compensa ted and time dependent control of heating installations with hot water generation Any other use or use beyond that specified shall be con sidered as improper use The manufacturer supplier is n...

Page 7: ...de any safety or monitoring devices Have any faults or damage that affect safety rectified promptly by your expert technician i When thermostat control is active all the radiator valves in the room in which the con troller is installed must be fully open Make sure that the controller is not obstructed by furniture curtains or other objects all the radiator valves in the room in which the con troll...

Page 8: ...ng cir cuits Each mixer circuit can as required be switched between Heating circuit radiator circuit underfloor circuit etc Fixed value control Increase in return flow 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 he...

Page 9: ...mum of two modulating boilers without eBUS or one modulating boiler with eBUS or alternatively one 2 stage boiler two controlled circuits and one uncontrolled circuit can be controlled VRC DCF VR 90 VR 60 VRC 630 Fig 3 1 System Overview Key VR 90 remote control unit VR 60 mixer module VRC DCF external sensor If the installation is to be expanded with e g further heating circuits then additional co...

Page 10: ...is operated alternately in Hea ting and Off mode according to a pre set timer programme The heating circuit is switched off during the set back period if the frost protection function depending on the outside temperature is not activated The frost protection is effective outside the set time window Chap 5 2 Heating The heating is regulated at the daytime set room temperature Energy save The heatin...

Page 11: ...C is effective 4 A further two time windows of 21 C follow The way in which the time windows influence the heating control can be simply explained as follows When you operate your heating installation in the Auto mode the controller activates the preset time windows in which your installation heats the connected rooms to a defined temperature Target room temperature Outside these time windows the ...

Page 12: ...ually for each hea ting circuit You have the option of selecting various heating curves to match the control system optimally to your apart ment and to the heating installation Example of a heating curve Max Flow Setpoint Outside temperature in C in C 90 80 70 60 50 40 30 20 20 15 10 5 0 5 10 15 20 1 5 4 0 3 5 3 0 2 5 2 0 Heating curves 1 2 1 0 0 6 0 2 Fig 3 3 Diagram with heating curves Example I...

Page 13: ...and Eco outside the time windows modes If the Eco mode is set and the frost protection function 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 tempera ture falls below 3 C Description of the device 3 Operating manua...

Page 14: ...rameter press 3 Left hand dial Select menu turn Activate special function press 4 Menu name 3 7 Operator guidance You can operate the controller with the two and dials Fig 3 5 When you press the right hand dial you highlight or save a parameter When you turn the right hand dial you pick out a para meter When you turn the left hand dial you select a menu When you press the left hand dial you activa...

Page 15: ...configuration you can call up and set various para meter menus for HK1 HK15 HK3 3 Time programme Mon Fri 1 6 00 22 00 2 7 30 23 30 3 7 30 23 30 Select weekday block Holiday programming 4 for whole system Periods 1 30 02 09 20 03 09 2 05 05 09 22 05 09 Target temperature 15 C Set start day Domestic hot water 5 Parameters Target Cyl temp 60 C Select target temperature HK1 5 Parameters Night set back...

Page 16: ...em specific parameters may only be set and changed by an expert technician The Installer level is therefore protected by an access code The system specific para meters are thus protected from unintentional adjust ment 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 3 9 Menu types The...

Page 17: ...splay lines Basic data 1 Date 02 12 09 Day We Time 14 08 Summer Winter time Off Set day Example Menu 1 You can make all the relevant settings for the heating installa tion on the Operator level in Menus 1 to 7 The menu name and the menu number in the example 1 are displayed in the upper area The numbers make it easier to find individual menus during programming Wed 02 12 09 15 37 15 C Energy savin...

Page 18: ...period C 5 30 1 15 5 HK1 parameters Chap 5 6 Night set back temp Specify set back tempera ture for periods between the time windows when frost protection func tion is set the night set back temperature is auto matically 5 C night set back temperature is not displayed C 5 30 1 15 Heating curve Control flow temperature dependent on outside tem perature various heating curves can be selected 0 1 4 0 ...

Page 19: ... the main switch of the controller to the I position i If the external sensor of your heating installa tion is unable to receive a DCF signal you will have to set the time and date manually after switching on the controller Make sure that the time and date are set correctly so that the preset timer programmes and holiday pro gramme will work correctly and the next servicing appointment can be moni...

Page 20: ...1 1 Selecting the menu An overview of all the menus can be found in Fig 3 6 All the menus are arranged linearly and are described in this sequence i The basic display is the controller s standard display The controller shows the basic dis play automatically after a period of no opera tion min 15 minutes Rotate the left hand dial until the desired menu is displayed 5 1 2 Selecting and marking param...

Page 21: ...ead 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 pro gramme to do this The following operating modes are possible for CH circuit Operating mode Effect Auto The heating circuit is operated alternately in Hea ting and Energy Saving mode according to a pre set timer programme Eco Th...

Page 22: ...ffect i If you want to change the operating mode for further heating and circulation circuits DHW cylinders turn the dial until the cursor is positioned in the appropriate line in front of the mode to be changed Repeat the steps described above 5 2 2 Setting the target room temperature using heating circuit HK1 as an example The target room temperature is used to calculate the heating curve If you...

Page 23: ...re is saved and takes effect Repeat the steps as required i Set the target room temperatures for the other heating circuits or the hot water tempe rature for the cylinder in the same way Length of time the changed value remains effective in the control system If you have changed the target room temperature in the basic display the new value takes effect in the control system The heating installati...

Page 24: ...works correctly and the next ser vicing appointment can be monitored The date consists of three parameters 02 12 09 Day Month Year The setting ranges are predetermined i Set the month first as the setting range for the day depends on the month Requirement Menu 1 Basic data is displayed Chap 5 1 1 Setting the month Basic data 1 Date 02 12 09 Day Wed Time 14 08 Summer Winter time Off Set month Turn ...

Page 25: ...r time Off Set day Press the right hand dial The changed day is saved Setting the year Basic data 1 Date 30 11 09 Day Wed Time 14 08 Summer Winter time Off Set year Turn the right hand dial until the cursor is flashing in front of the Year Basic data 1 Date 30 11 09 Day Wed Time 14 08 Summer Winter time Off Set year Press the right hand dial The year is marked Basic data 1 Date 30 11 10 Day Wed Ti...

Page 26: ...ekday is saved 5 3 4 Setting the time The time consists of two parameters 14 08 Hour Minute i If the external sensor on your heating instal lation is unable to receive a DCF signal you can set the time manually if necessary Make sure that the time is set correctly so that the preset timer programmes will work correctly Requirement Menu 1 Basic data is displayed Chap 5 1 1 Basic data 1 Date 30 11 0...

Page 27: ...t of the Minute Basic data 1 Date 30 11 09 Day Wed Time 15 08 Summer Winter time Off Set minute Press the right hand dial The minute is marked Basic data 1 Date 30 11 09 Day Mon Time 15 15 Summer Winter time Off Set minute Turn the right hand dial until the desired Minute is displayed Basic data 1 Date 30 11 09 Day Mon Time 15 15 Summer Winter time Off Set minute Press the right hand dial The chan...

Page 28: ...ter time Off Select mode Turn the right hand dial until the cursor is flashing in front of the Summer Winter time parameter Basic data 1 Date 30 11 09 Day Wed Time 15 15 Summer Winter time Off Select mode Press the right hand dial The Summer Winter time parameter is marked Basic data 1 Date 30 11 09 Day Mon Time 15 15 Summer Winter time Auto Select mode Turn the right hand dial until the desired S...

Page 29: ... must set the time windows for each day individually HK1 3 Time programme Mon Fri 1 2 16 30 21 30 3 Select weekday block i You can set the same time windows for the DHW cylinder and the circulation pump The control system operates according to the heating curve and the target room temperature 5 4 1 Setting time windows Take some time beforehand to plan your individual time windows carefully The ti...

Page 30: ...n 1 8 00 9 30 2 16 30 21 30 3 Set start time Turn the right hand dial until the desired Start time is displayed i You can only set time windows within a day i e in a time window from 00 00 to 24 00 hrs A time window from e g 22 00 to 6 00 is not possible In this case you must set two time windows from 22 00 to 24 00 and from 00 00 to 06 00 HK1 3 Time programme Sat Sun 1 8 00 9 30 2 16 30 21 30 3 S...

Page 31: ...ating circuits DHW cylinders and circula tion pumps 5 5 Setting the holiday programme For the controller and all system components connected to it you can set two holiday periods with start and end date the desired night set back temperature i e the value at which the heating installation is to be regulated during the absence independently of the specified timer programme The holiday programme sta...

Page 32: ... 05 09 09 22 09 09 Target temperature 16 C Select target room temperature Turn the right hand dial until the desired target temperature is displayed Holiday programming 4 for whole system Periods 1 20 08 09 28 08 09 2 05 09 09 22 09 09 Target temperature 16 C Select target room temperature Press the right hand dial The target temperature is saved The room temperature will be automatically reduced ...

Page 33: ...w temperature The set ting is made separately for each heating circuit Chap 3 5 The room temperature of your heating installation depends to a great extent on the selection of the right heating curve If the selected heating curve is too high the temperatures in the heating installation will also be too high resulting in higher energy consumption If the selected heating curve is too low the desired...

Page 34: ...temperature Turn the right hand dial until the desired target temperature is displayed i 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 Domestic hot water 5 Parameters Target cyl temp 58 C Select target temperature Press the right hand dial The target temperature is saved After an extended period w...

Page 35: ... delete a character you must overwrite the character with a space Name 7 change HK1 HK 1 HK2 HK2 Select Press the right hand dial The first character of the name is marked Name 7 change HK1 EK 1 HK2 HK2 Select Turn the right hand dial until the letter E is dis played Name 7 change HK1 EK 1 HK2 HK2 Select Press the right hand dial The letter E is saved Name 7 change HK1 K 1 HK2 HK2 Select Turn the ...

Page 36: ... dial The space is marked Name 7 change HK1 E A1 HK2 HK2 Select Turn the right hand dial until the letter A is dis played Name 7 change HK1 E A1 HK2 HK2 Select Press the right hand dial The letter A is saved Repeat these steps for the sequence of letters GE 1 The result should look like this Name 7 change HK1 ETAGE 1 HK2 HK2 Select The controller saves the new name and displays it in all menus hen...

Page 37: ...rotected from unintentional adjustment The operator can view the system specific parameters without entering a code number but he cannot change them This is how to view the system specific parameters Requirement Menu 8 Code level enable is displayed Chap 5 1 1 Code level 8 enabled Code number 0 0 0 0 Standard Code 1 0 0 0 Adjust numeric character Press the right hand dial You can now view all the ...

Page 38: ... 15 43 3 C Energy saving enabled to 18 30 Select end time The controller shows the menu for the Energy Saving function The cursor is in front of the End of energy saving function parameter Wed 02 12 09 15 43 3 C Energy saving enabled to 18 30 Select end time Press the right hand dial to mark the End of energy saving function parameter Wed 02 12 09 15 43 3 C Energy saving enabled to 18 30 Select en...

Page 39: ...unction is ended automatically and the controller switches to the basic display Interrupting the Advance function Press the left hand dial twice The controller ends the Advance function and switches to the basic display 5 10 3 Activating the One time cylinder charging function The One time Cylinder Charging function allows you to charge the DHW cylinder once regardless of the current timer program...

Page 40: ... Off and Eco outside the time windows modes If the Eco mode is set and the frost protection function 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 tempera ture falls below 3 C Chap 5 6 Here s how to guarantee prote...

Page 41: ...n of the fault error text 6 1 Service message The controller can display a service message in the second line of the menu Service telephone number of the expert technician Example of a service message Sun 01 11 09 15 43 3 C Service 02191 123456 HK1 Heating 22 C Storey 1 Eco 18 C Cylinder Auto 60 C VRC 630 This service message alerts you to required servicing of the heating installation Additionall...

Page 42: ...ot been rea ched after a defined time This time is set by the expert tech nician in Menu C11 Parameter Temp fault detection after Default OFF Setting range OFF 0 12 h When combined with a VIH RL DHW cylinder the following errors can be displayed External current anode fault The external current anode moni toring in the VIH RL has detected a fault VIH RL Limescale in heat exch The VIH RL electronic...

Page 43: ...er off when there is a risk of frost Set the main switch of the controller to the I position i If the external sensor of your heating installa tion is unable to receive a DCF signal you will have to set the time and date manually after switching on the controller Make sure that the time and date are set correctly so that the preset timer programmes and holiday pro gramme will work correctly and th...

Page 44: ...ging 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 Packaging Please leave the disposal of the transport packaging to the expert technician company which installed the appli ance ...

Page 45: ...ical operating mode is achieved when all rooms in an apartment are heated uniformly and in accordance with their usage Thermostatic valves and room thermostats Thermostatic valves on all radiators maintain the room temperature exactly once set You can adjust the room temperature to suit your individual requirements and ensure economical operation of your heating installation using the thermostatic...

Page 46: ...water to the lowest value necessary just to cover your heat demand If possible set the Eco mode for all heating circuits and have the frost protection delay time adjusted by your heating engineer The heating is completely switched off overnight in the Eco mode If the outside temperature falls below 3 C the night set back temperature is invoked again after the presettable frost protection delay tim...

Page 47: ...rdance 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 10 2 Vaillant Service To ensure regular servicing it is strongly recommended that arrangements are made for a Maintenance Agree ment Please contact Vaillant Servi...

Page 48: ...m total current A 6 3 Shortest switching interval min 10 Power reserve min 15 Maximum ambient temperature C 40 Sensor operating voltage V 5 Minimum cross section of the sensor lines mm2 0 75 of the 230 V connection lines mm2 1 50 Dimensions of the wall box Height mm 292 Width mm 272 Depth mm 74 Level of protection IP 20 Controller protection class I Degree of environmental pollution Normal Table 1...

Page 49: ...ff Overall system parameters Max pre switch off Frost protection delay Continuous heating Fast temperature increase 0 120 min 0 23 h Off 25 10 C 0 15 K 15 min 1 h Off 0 K Heating appliance parameters Switching hysteresis Minimum temperature Cylinder starting output 1 20 K 15 90 C 1 2 8 K 15 C 1 Heating appliance Cascade parame ters only for cascade systems Switch on delay Switch off delay Reverse ...

Page 50: ... measured outside temperature if it is established that the measured room temperature is lower than the set night set back temperature with a connected remote control device Heating circuit A heating circuit is a closed circulation system of pipes and heat consumers e g radiators The heated water from the boiler flows into the heating circuit and returns to the boiler as cooled water A heating ins...

Page 51: ...mer Winter changeover In the basic display it is possible to determine whether the changeover between summer and winter time is to take place automatically The default setting as supplied condition is for auto matic changeover not to take place If the controller is fitted with a VRC DCF external sen sor the summer winter changeover takes place auto matically Switching off the automatic changeover ...

Page 52: ...ating circuit 48 Heating curve 10 Holiday programme 8 Adjust 29 ending 29 Setting the target temperature 30 Setting time periods 30 Hot water temperature 32 I Identiﬁcation plate 3 Installer level 14 Exiting the Installer level 35 Viewing the parameters in the Installer level 35 Intended use 4 L Legionella 49 M Menu structure 13 Menu types 14 N Night set back temperature 48 O One time Cylinder Cha...

Page 53: ...Setting the operating mode 19 Setting the room temperature 20 Setting the time 24 Setting timer programmes 27 Setting time windows 28 Setting the basic data 22 Setting the cylinder target temperature 32 Setting the heating curve 30 Setting the night set back temperature 30 Setting timer programmes 27 Special functions 15 36 37 Advance function 37 Energy saving function 36 One time Cylinder Chargin...

Page 54: ......

Page 55: ...For the heating engineer Installation Manual VRC 630 ...

Page 56: ... hot water cylinder is connected 32 5 4 Connecting the DCF receiver 41 5 5 Connecting accessories 42 5 5 1 Connecting the remote control device 42 5 5 2 Connecting further mixer circuits 42 5 6 Connecting several heaters cascade 42 5 6 1 Connecting modulating heating appliances without eBUS 43 5 6 2 Connecting several modulating heating appliances with eBUS 43 5 6 3 One and two stage heating appli...

Page 57: ...s 78 7 6 2 Maximum output operation 78 7 6 3 Manual operation 78 7 7 Activating the special functions 78 8 Hand over to the owner 81 9 Troubleshooting 82 9 1 Fault memory 82 9 2 Service message 82 9 3 Error messages 82 9 4 Overview of error codes 82 10 De commissioning 84 10 1 Shutting down the controller temporarily 84 10 2 De commissioning the controller 84 10 3 Disposing of the controller 85 11...

Page 58: ... are explained below a Symbol that denotes danger Imminent danger to life Danger of severe personal injury Danger of slight personal injury e Symbol that denotes danger risk of death from electric shock b Symbol that denotes danger Risk of material damage Risk of damage to the environment i Symbol that denotes useful tips and information Symbol for a required action 1 3 Validity of the instruction...

Page 59: ...2004 108 EC of the Council with amend ments Directive Concerning Electromagnetic Compa tibility The units comply with the following standards EN 60730 1 EN 60730 2 9 By attaching the CE label we confirm as the equipment manufacturers that the safety requirements according to 2 7 GSGV have been satisfied and that production units conform to the tested type sample 1 6 Name of the unit The VRC 630 co...

Page 60: ... is not intended for use by persons including children with physical sensory or mental impairments or who have inadequate experience and or knowledge unless they are supervised by a person responsible for their safety or have been given instructions by this per son regarding the operation of the unit Children must be supervised to ensure they do not play with the unit Any other or additional use i...

Page 61: ... is set too low in individual rooms it can not be ruled out that sections of the heating system are damaged by frost Inform the owner as to how to ensure protection from frost 2 4 Directives laws and standards EN 60335 2 21 Safety of household and similar electrical appliances Part 2 Particular requirements for storage water hea ters domestic hot water cylinders and hot water boi lers IEC 335 2 21...

Page 62: ...cuit VRC DCF VR 90 VR 60 VRC 630 Fig 3 1SystemOverview Key VR 90 Remote control unit VR 60 Mixer module VRC DCF External sensor If the heating installation is to be expanded with e g further heating circuits additional system components can be integrated into the complex system of the instal lation Fig 3 1 To expand the central heating installation up to six additional mixer circuit modules access...

Page 63: ...ing installation and hot water genera tion Off Heating installation switched off or hot water genera tion with active frost protection One time Cylinder Charging Allows the DHW cylinder to charge up once indepen dently of the current timer programme Holiday function Holiday programme Independent control of the room temperature during your absence only in the Auto and Eco modes Frost protection fun...

Page 64: ...ayed after the Eco or Auto mode a time slot is active The heating installa tion is producing heat If the symbol is displayed after the mode no time slot is active The heating installation is in set back mode Table 3 2 Operating modes for heating circuits Circulation circuit and hot water circuit Operating mode Effect Auto The commands for charging the DHW cylinder or for enabling the circulation p...

Page 65: ...15 C is effective 4 A further two time slots of 21 C follow The way in which the time slots influence the heating control can be simply explained as follows When you operate your heating installation in the Auto mode the controller activates the preset time slots in which your installation heats the connected rooms to a defined temperature Target room temperature Outside these time slots the heati...

Page 66: ...y for each hea ting circuit You have the option of selecting various heating curves to match the control system optimally to your apart ment and to the heating installation Example of a heating curve Max Flow Setpoint Outside temperature in C in C 90 80 70 60 50 40 30 20 20 15 10 5 0 5 10 15 20 1 5 4 0 3 5 3 0 2 5 2 0 Heating curves 1 2 1 0 0 6 0 2 Fig 3 3 Diagram with heating curves Example If he...

Page 67: ...odes out side the time slots If the Eco mode is set and the frost protection function 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 13 Installation Instructions VRC 630 0020095108_00 Equ...

Page 68: ... press 3 Left hand knob Select menu turn Activate special function press 4 Menu name 3 6 Operator guidance You can operate the controller with the two and knobs Fig 3 5 When you press the right hand knob you mark or save a parameter When you turn the right hand knob you set a parameter When you turn the left hand knob you select a menu When you press the left hand knob you activate the special fun...

Page 69: ...uration you can call up and set various para meter menus for HK1 HK15 HK3 3 Time programme Mon Fri 1 6 00 22 00 2 7 30 23 30 3 7 30 23 30 Select weekday block Holiday programming 4 for whole system Periods 1 30 02 09 20 03 09 2 05 05 09 22 05 09 Target temperature 15 C Set start day Hot water 5 Parameters Target cyl temp 60 C Select target temperature HK1 5 Parameters Set back temperature 15 C Hea...

Page 70: ...temperature Code level 8 enabling Code number 0 0 0 0 Standard Code 1 0 0 0 Adjust numeric character HK2 15 C2 Parameters Pump delay time 0 Min Minimum temperature 15 C Maximum temperature 15 C Max preheating 0 min Set minutes HK1 C2 Parameters Type Direct circuit Set back temperature 15 C Heating curve 1 2 Max limit outs temp 21 C Select target room temperature HK2 15 C2 Parameters Switch on room...

Page 71: ...ode level C11 change Code number 1 2 3 4 Accept change No Adjust numeric character Installation Assistant A5 System configuration Shut off valves No Isolation switch No Reverse boiler sequence Off Select Heating appliance C8 Parameters Switching hysteresis 8 K Minimum temperature 15 C Cylinder starting output 1 Select hysteresis Tool C12 Temperature correction Outside temperature 0 0 K Current roo...

Page 72: ...fic parameters may only be set and changed by a heating engineer The Installer level is therefore protected by an access code The system specific para meters are thus protected from unintentional adjust ment 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 3 8 Menu types The controlle...

Page 73: ...the right hand knob to access the next display lines Basic data 1 Date 02 12 09 Day We Time 14 08 Summer Winter time Off Set day Example Menu 1 You can make all the relevant settings for the heating installation on the Operator level in Menus 1 to 7 The menu name and the menu number in the example 1 are displayed in the upper area The numbers make it easier to find individual menus during programm...

Page 74: ...accessories which can be plugged into the central wall mount instead of the control unit VR 60 mixer module The heating system can be extended by two mixer cir cuits using the mixer module A maximum of six mixer modules can be connected A unique bus address is set on the VR 60 using the rotary switch The heating programmes and also all the required parameters are set via the central controller usi...

Page 75: ...79 is connected to the telephone line Using the telephone switch it is possible to change the operating mode of individual heating circuits or the cylinder circuit from any desired location 4 4 Unpacking the unit Carefully remove the packaging taking care not to damage any parts of the unit 4 5 Checking the scope of delivery Check the material supplied for completeness Table 4 1 4 6 Dispose of the...

Page 76: ... Loosen screw 1 on the upper side of the housing Flap the housing cover 2 downwards Take the hou sing cover off its hinge and remove it 3 6 5 3 4 Fig 4 3 Installation of the wall mount Key 3 Fixing hole 4 Cable opening 5 Cable clamps 6 Cable feedthrough b Caution Risk of short circuits If too much insulation is removed there will be a risk of short circuits to the circuit board if the cables have ...

Page 77: ...the owner e Danger Danger to life from live connections The mains switch does not disconnect the power supply completely Switch the power supply off before wor king on the unit Secure the power supply against being switched on again Lay the electrical lines up to the boiler expediently before installing the controller 3 1 4 2 Fig 4 4 Installation as a remote control device Key 1 Controller 2 Recep...

Page 78: ... the heating controller 2 3 1 3 1 m 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 2 4 5 3 2 1 3 Fig 4 6 Installation location for the DCF receiver Key 1 Mounting apertures 2 Cap nut for cable entry point 3 3 core connecting cable with loop to catch drips 4 Wall base 5 Housing cover Carefully plan any holes required f...

Page 79: ...uipment may only be opened by a suitably quali fied heating engineer and installed as shown in the dia grams The current safety regulations and the installa tion instructions for the boiler and the heating control ler must be observed b Caution Material damage caused by improper installation Incorrect fitting can cause damage to the unit and or to the wall of the building e g from dampness Observe...

Page 80: ...plied Route the connection cable 3 on the customer side with a slight incline to the outside and with a loop to catch drips Fix the housing 4 with 2 screws through the fixing holes 1 Run the connecting cable on the customer side 3 using cable of at least 2 x 0 75 mm2 cross section Pull the connecting cable in through the cable entry 2 from below By careful work and by appropriate cable routing ens...

Page 81: ...ke care to wire up correctly i The nominal voltage of the mains must be 230 V If the mains voltage is more than 253 V or less than 190 V functional impairment is possible The unit must be connected to a permanent supply line and an isolating device with at least 3 mm contact separation e g fuses power switches Observe the corresponding regulations 5 1 Connecting a boiler without eBUS b Caution Mal...

Page 82: ...mmunication via the eBUS and can result in a short circuit The controller will no longer be able to cont rol the heating installation 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 mm2 must be supplied by the customer i The controller has a mains switch which can be used to switch off the internal electronics and all c...

Page 83: ...hown in Fig 5 3 5 3 2 Peculiarities of the circulation pump connection The controller has a separate connection for a circula tion pump 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 When a circulation pump is connected in a mixer cir...

Page 84: ... TEL input You can connect a floating contact switch to this input When the switch is operated the operating mode of the connected heating circuits hot water circuits and the circulation pump is changed depending on the setting in Menu C9 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 ...

Page 85: ...g circuit 2 Cylinder sensor Pump heating circuit 2 Mixer heating circuit 3 Switching contact Circulation circuit Connection for teleSWITCH remote telephone contact eBUS connection Pump heating circuit 3 VRC DCF outdoor sensor Connection for switching boiler stage 1 Cylinder charging enable MF TEC replacement only Connection for switching boiler stage 2 Connection for modulating boiler1 Diverter va...

Page 86: ...trouble free operation be guaranteed This does not apply to additional reconfigured hot water circuits which are incorporated after the low loss hea der The heating system consists of 1 heat source 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...

Page 87: ...or 2 VF3 Flow sensor 3 HK1 P Heating circuit pump 1 HK2 P Heating circuit pump 2 HK3 P Heating circuit pump 3 HK2 Mixer HK3 Mixer i 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 33 Installation Instructions VRC 630 0020095108_00 Electrical installation 5 ...

Page 88: ...F2 VR 32 2 BUS BUS BUS BUS 2 2 2 VR 32 VR 32 VR 60 VF3 VFa VFb SP ZIR Fig 5 6 Wall mounted boilers with VRC 630 VIH downstream of low loss header The heating system consists of 4 heat sources e g 4 wall mounted gas boilers connection via eBUS 1 DHW cylinder connected downstream of the low loss header 1 uncontrolled heating circuit direct circuit control via remote control device 4 controlled heati...

Page 89: ...xer for mixer circuit a HKb Mixer for mixer circuit b LP UV1 cylinder charging pump Diverter valve i 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 You can connect the first boiler directly to the eBUS on the controller Note the polarity when doing this Fr...

Page 90: ...er 1 uncontrolled heating circuit direct circuit control via remote control device 2 controlled heating circuits 2 radiator circuits control via remote control devices WW KW VF1 HK1 P HK2 P HK3 P LP UV1 HK2 HK3 VF2 VF3 SP ZIR Fig 5 8 VRC 630 floor standing unit 1 36 Installation Instructions VRC 630 0020095108_00 5 Electrical installation ...

Page 91: ...mp for heating circuit 2 HK3 P Pump for heating circuit 3 HK2 Mixer for heating circuit 2 HK3 Mixer for heating circuit 3 LP UV1 cylinder charging pump Diverter valve i 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 37 Installation Instructions VRC 630 002...

Page 92: ...ed heating circuit direct circuit control via remote control device 1 controlled heating circuit 1 radiator circuit cont rol via remote control device WW KW VF1 HK1 P HK2 P HK3 P LP UV1 HK2 HK3 VF2 VF3 SP ZIR Fig 5 9 VRC 630 with an ecoCRAFT 38 Installation Instructions VRC 630 0020095108_00 5 Electrical installation ...

Page 93: ...mp for heating circuit 2 HK3 P Pump for heating circuit 3 HK2 Mixer for heating circuit 2 HK3 Mixer for heating circuit 3 LP UV1 cylinder charging pump Diverter valve i 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 39 Installation Instructions VRC 630 002...

Page 94: ...t control via remote control device 2 regulated heating circuits 1 floor circuit 1 radia tor circuit control via remote control device WW KW VF1 HK1 P HK2 P HK3 P LP UV1 HK2 HK3 HKa P HKa HKb P HKb VF2 BUS BUS 2 2 VR 32 VR 60 VF3 VFa VFb SP 5 ZIR Fig 5 10 VRC 630 with two ecoCRAFTs 40 Installation Instructions VRC 630 0020095108_00 5 Electrical installation ...

Page 95: ...off and safety devices necessary for professional assembly System specific plan ning is required 5 4 Connecting the DCF receiver b Caution Malfunctions caused by incorrect installation Any external sensor connected to the boiler will be ignored Connect the external sensor to the control ler Abb 5 11 Connecting the DCF receiver left with the external sensor VRC DCF supplied right special solution w...

Page 96: ... that the cables can be interchanged without impairing communication eBUS Fig 5 12 Connecting remote control devices All eBus connector plugs are designed to allow you to wire at least 2 x 0 75 mm2 per connection lead We the refore recommend using 2 x 0 75 mm2 for the eBus lines 5 5 2 Connecting further mixer circuits eBUS Fig 5 13 Connecting further mixer circuits Even the communication with the ...

Page 97: ...bus coupler directly into the boiler following the instructions enclosed with the coupler 5 6 2 Connecting several modulating heating appliances with eBUS eBUS VR 32 Fig 5 16 Connecting more than 2 boilers in cascade Connect the first boiler directly via eBUS Pay attention to the correct polarity From the 2nd eBUS boiler onwards use a VR 32 modulating bus coupler for the connection i VR 31 VR 32 a...

Page 98: ...the cus tomer Fit the bus coupler in the wall mounting box Up to six VR 31 modules can be used 5 7 Completing the electrical installation of the controller Pass the cables carrying low voltage e g sensor lines behind the wall mount and through the upper cable aperture Fig 4 3 6 Pass the cables carrying mains voltage 230 V through the lower cable duct Fig 4 3 4 Fix all cables with the accompanying ...

Page 99: ...se Set the maximum burner anti cycling time by setting diagnostic point d 2 on the boiler to 5 minutes If diagnostic point d 14 is available depends on the boiler variant Select an uncontrolled pump characteristic which cor responds to the heating installation at boiler dia gnostic point d 14 6 1 Switching on the controller b Caution Material damage caused by frost The frost protection function is...

Page 100: ... preference Check and if necessary change the system configu ration in Menu A5 Chap 7 4 3 Installation Assistant A5 System configuration Preference No Select Turn the left hand knob until Menu A5 is displayed Make all the necessary settings Determining the type of use of the heating circuits Chap 7 4 4 Check and if necessary change the type of use of the heating circuits in Menu A6 Chap 7 4 4 Inst...

Page 101: ...Chapter 3 The parameters you can set and optimise in the Ope rator level are described in Chapter 7 1 An overview of these parameters can be found in the appendix 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 6 3 Protecting the Installer level from unauthorised access ...

Page 102: ...ap 7 7 7 1 2 Selecting a menu An overview of all the menus can be found in Figs 3 6 and 3 7 All the menus are arranged linearly and are described in this sequence i The basic display is the controller s standard display The controller shows the basic dis play automatically after a period of no opera tion min 15 minutes Turn the left hand knob until the desired menu is displayed 7 1 3 Selecting and...

Page 103: ...1 The outside temperature is measured by the external sensor and transmitted to the controller When thermostatic control is activated the measured room temperature is shown in the second line of the display Settable parameters Description Setting range Factory setting HK1 HK2 HK3 Operating mode for the heating circuits Chap 3 3 displays Holiday when the Holiday function is active Auto Eco Energy s...

Page 104: ... example consists of the parameters Day Month and Year enter the month first as the setting range for the day depends on the month 01 01 00 31 12 99 01 01 07 Day the current day of the week Mon Sun Mon Time the current time of day If the VRC DCF Signal external sensor has been installed the time is set automatically important as it monitors the timer programmes the time consists of 2 parameters hh...

Page 105: ...mes these are identified by 3 at the top right of the display The first line of the display shows what the timer programme applies to e g HK1 hot water circula tion pump The second line of the display always shows Time programme HK1 3 Time programme Mon Fri 1 6 00 9 30 2 16 30 21 30 3 Select weekday block Settable parameters Description Setting range Factory setting 1 First time slot earliest star...

Page 106: ...utomatically swit ched to the Off mode during the holiday time program Holiday programming 4 for whole system Periods 1 30 02 09 20 03 09 2 05 05 09 22 05 09 Target temperature 15 C Set start day Settable parameters Description Setting range Factory set ting 1 1st period of extended absence e g holiday 2nd period of extended absence e g holiday Each date consists of 3 parameters Day Month Year Set...

Page 107: ...C 15 C Heating curve The heating curve represents the relationship between external temperature and the flow temperature Max Flow Setpoint Outside temperature in C in C 90 80 70 60 50 40 30 20 20 15 10 5 0 5 10 15 20 1 5 4 0 3 5 3 0 2 5 2 0 Heating curves 1 2 1 0 0 6 0 2 Chap 3 4 Setting is made separately for each heating circuit The room temperature of your heating installation depends to a grea...

Page 108: ... hot water draw off points when the temperatures are in excess of 60 C Young children and elderly persons are particularly at risk even at lower temperatures Select the temperature so that nobody is at risk Hot water 5 Parameters Target Cyl temp 60 C Select set target temperature Settable parameters Description Setting range Factory set ting Target Cyl temp Hot water temperature Select the target ...

Page 109: ...e heating circuit max 10 digit A Z 0 9 Space HK1 HK2 HK15 Table 7 7 Changing names i Changed names are automatically adopted and displayed in the respective menus i You can only ever change 1 character at a time If you want to change the full name you must change each character individually and possibly add cha racters If you want to delete characters at the end of the name you must overwrite the ...

Page 110: ...ed again in Menu C11 Settable parameters Description Setting range Factory set ting Code Number The access code consists of four digits which are set inde pendently of one another If no code number is entered none of the parameters in the Installer level may be set Set the access code preferably during commissioning in Menu C11 to protect the system specific parameters from unauthorised changes 00...

Page 111: ...you do not enter any access code the parameters in the subsequent menus are displayed after pressing the knob once but cannot be changed The default access code is 1 0 0 0 You can change the code in Menu C1 The Installer level is operated in the same way as the Operator level The parameters are selected likewise by turning and pressing the knob All the accessible menus and their parameters can be ...

Page 112: ...onventional heating appli ances and systems with a large water content as pro tection against corrosion in the heating boiler caused by prolonged periods below the dew point Cylinder charging circuit Disabled if a heating circuit is not required so that the parameters in the display are blanked no target flow temperature is calculated for the circuit Cylinder Cylinder charging circuit disabled Exa...

Page 113: ...sic display the switch off temperature must be changed at the same time where appropriate at least 1 C higher than the target room temperature 5 50 C 21 C Minimum temp Minimum flow temperature 15 90 C 15 C Maximum temp Maximum flow temperature 15 90 C 90 C for direct cir cuit otherwise 75 C Max pre heat Enables activation of the heating circuit before the first time slot so that the target room te...

Page 114: ... the heating circuit is switched on again The use of room thermostat control in combination with careful selection of the heating curve leads to optimum control of the hea ting installation none room temp thermos tat n a Remote control Indicates whether a remote control unit is configured Cannot be set Yes No Target flow temp Displays the flow temperature for the heating circuit calculated by the ...

Page 115: ...r the pump is switched on or off ON OFF Mixer status Indicates whether and in which direction the mixer is currently set OFF OPEN CLOSED Table 7 10 Displayed information for HK1 7 3 2 Menu C3 Menu C3 is an information menu which displays the cur rent cylinder temperature and the status of the charging and circulation pumps You are not able to make any settings Hot water C3 Information Current DHW ...

Page 116: ...ging conti nue to be delivered to the cylinder as far as possible by means of the charging pump overrun before the heating circuits the direct circuit in particular are enabled again The boiler switches off when cylinder charging ends hot water temperature reached The cylinder charging pump overrun begins and switches off again automatically after the set time 0 15 min 5 min Parallel charging Para...

Page 117: ...sed to 70 C with 5 K hysteresis The corresponding circulation pump is switched on The function is terminated automatically when the cylinder sensor measures a temperature 60 C for longer than 60 mins or after a period of 90 mins has elapsed to avoid getting stuck in this function if water is drawn simultaneously Default setting Off means no anti Legionella function due to danger of scalding Off Mo...

Page 118: ...is at 20 C no pre switch off occurs If the outside temperature is 20 C the maximum pre switch off is in effect At temperatures in the range 20 C 20 C the controller com putes a value corresponding to a linear interpolation between 20 C and 20 C 0 120 min 15 mins Frost prot delay The frost protection function ensures protection from frost in the Off and Eco modes outside the programmed time slots g...

Page 119: ...mixer circuits in the case of mixer circuits with a fixed admixture allows the tar get mixer value also at target heater temperature to be reached during the morning heating up operation even though the fixed admixture greatly reduces the mixer circuit temperature allows an optimum control range for operating the mixer stable operation is only possible if the mixer only occasionally has to hit the...

Page 120: ...calculated target flow temperature switched off when the low loss header temperature is 2 3 of the hyste resis above the calculated target flow temperature Too small a hysteresis can result in constant cycling of the boiler 1 20K 8 K Minimum temp To protect the boiler from e g corrosion Corrosion is to be expected if the boiler is permanently operated in the con densate range e g due to high water...

Page 121: ... If the waiting time is too short this leads to over or undershooting of the flow temperature and to continuous cycling of the units in the cas cade 1 90 Min 5 mins Table 7 14 Settable parameters in Menu C8 continued Heater C8 Information System set temp 90 C Low loss header temp ACTUAL 30 C heating mode status Boiler sequence 1 2 3 4 Information Description System set temp Displays the current sy...

Page 122: ... HK1 Energy sav HK2 Energy sav HK3 Energy sav Cylinder Off Select effect Settable parameters Description Setting range Factory set ting teleSWITCH Operating mode for the teleSWITCH remote telephone switch for HK1 HK15 None Heating Off Auto Eco Energy sav Energy save teleSWITCH for cylin ders Operating mode for the teleSWITCH remote telephone switch for cylinders None On Off Auto Off Table 7 15 Set...

Page 123: ...drying When floor drying is activated all the selected operating modes are interrupted The boiler controls the flow temperature of the heating circuit according to a pre set program regardless of the outside temperature Target flow temperature on starting day 1 25 C Days after star ting the function Target flow temperature for this day C 1 25 2 30 3 35 4 40 5 45 6 12 45 13 40 14 35 15 30 16 25 17 ...

Page 124: ...mined by an internally specified temperature profile Table 7 18 You can not set the Temp parameter manually In the basic display of the controller Floor drying is dis played for the corresponding heating circuit instead of the operating mode Wed 02 12 09 15 43 3 C HK1 Heating 22 0 C HK2 Floor drying HK3 Eco 18 0 C Cylinder Auto 60 0 C VRC 630 Ending floor drying The function ends automatically whe...

Page 125: ...lephone number separately A maximum of 17 digits is possible 0 9 Space 17 digit Service The heating installation must be serviced regularly Set the month day and year for the next service appointment When the date for the next service appointment is reached Ser vice will be displayed in the 2nd line of the basic display Day 1 max 31 depends on month Month 1 12 Year 00 99 01 01 01 Temperature fault...

Page 126: ...ion Setting range Factory set ting Code Number Access code for the Installer level The Installer level is protected against unauthorised access and is enabled for only 60 minutes after correctly entering the access code The access code consists of four digits which are set indepen dently of one another 0000 9999 1 0 0 0 Accept change Query as to whether the access code is to be saved Yes No No Tab...

Page 127: ...arameters in Menu C12 If there is a constant difference between the displayed and the actually measured temperature because of the installation location this deviation can be compensated for by using the correction value Example using outside temperature Outside temperature displayed on the controller 5 C Measured outside temperature 7 C Set the correction value 2 0 K Proceed in the same way for d...

Page 128: ...n in Menu A4 If the automatic system configuration does not detect the connected heating appliances and the number of stages in a cascade system then set the parameters in Menu A4 manually Installation Assistant A4 System configuration Number of boilers 1 Appliance are modulated Boilers on 7 8 9 Select Settable parameters Description Setting range Factory set ting Number of boilers Number of boile...

Page 129: ...he valve in the lead boiler will always be activated in this case as otherwise the heat consumer pumps will be working against the pumps Yes No No Isolation switch Is set to YES if in a cascade the cylinder is directly connected hydraulically to the last boiler in the cascade and not to the collec tor downstream of the low loss header The unit is then isolated from the cascade during cylinder char...

Page 130: ...rs Cylinder charging circuit disabled Cylinder charging circuit Table 7 24 Settable parameters in Menu A6 Depending on the type of use for the heating circuits only the values and parameters that are of significance for the selected circuit type will be displayed in the menus The following settings are possible for mixer circuits Mixer circuit Underfloor or radiator circuit as a mixer circuit Fixe...

Page 131: ...he OPEN direction and to check that it is connected the right way round to activate a pump and check that it starts up Only the activated actuator is active all the other actuators are switched off at this time OFF LP UV1 ZP HK1 P HK2 OPEN HK2 CLOSED HK2 P HK3 OPEN HK3 CLOSED HK3 P KP AV C1 C2 depending on the selected com ponent Sensors Displays the measured value on the right next to the selecte...

Page 132: ...s when doing this Chap 7 6 1 The system is put into operation for a period of 20 minutes regardless of the set timer programme and the outside temperature The boilers are activated depending on the heating appliance used With modulating heating appliances all connected hea ters are switched off by the controller and must be directly put into operation at the heater with the availa ble switch for c...

Page 133: ...cription Setting range Factory setting Energy saving enabled The Energy saving function allows you to operate the hea ting installation at the set back temperature up to a defined time Only works on the heating or DHW cylinder circuits which are set to the Auto or ECO mode until Time at which the Energy saving function is to end Enter the time at which the Energy saving function should end Next fu...

Page 134: ...g the Advance function is automatically ended and the controller reverts 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 One time Cylinder Charging Wed 02 12 09 15 43 3 C Room temperature 21 C One time Cylinder Charging activated VRC 630 The One time cylinder charging function is enable...

Page 135: ...he operating manual with the owner and answer all his questions Draw special attention to the safety instructions which the owner must follow Make the operator aware of the need to keep the ins truction manuals within reach of the controller 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 op...

Page 136: ...of a service message Wed 02 12 09 15 43 3 C Service HK1 Heating 22 0 C storey 1 Eco 18 0 C Cylinder Auto 60 0 C VRC 630 9 3 Error messages The controller can display certain error messages These include Reports of faulty communication with individual com ponents in the system Service notes for the heating appliances Sensor defects and also a message if the target value is not reached after a defin...

Page 137: ...r VPM W 1 sensor T1 error The VF1 inlet sensor is defective Information displayed the affected component the affected sensor with its desi gnation on the ProE connector strip Possible causes a break a short circuit on the affected sensor HK2 temperature error The target temperature for hea ting circuit HK2 has not been rea ched after a defined time This time is set in Menu C11 Parameter Temp fault...

Page 138: ...wer supply completely Switch the power supply off before wor king on the unit Secure the power supply against being switched on again b Caution Material damage caused by frost The frost protection function is only active when the controller is switched on Make sure that decommissioning the con troller will not cause any material damage to the heating installation Before you switch off the controll...

Page 139: ...and remove it Pull the controller 1 from the wall mount 2 Insert a screwdriver into the two retainer straps to do this Fig 10 2 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 If the controller is fitted in the remote control unit Remove ...

Page 140: ...rimarily 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 Disposing of the packaging Please leave the disposal of the transport packaging to the expert technician company which installed the appli ance ...

Page 141: ...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 12 2 Vaillant Service To ensure regular servicing it is strongly recommended that arrangements are made for a Maintenance Agree ment Please contact Vaillant S...

Page 142: ... box Height mm 292 Width mm 272 Depth mm 74 Level of protection IP 20 Protection class of controller I Degree of ambient pollution Normal Table 13 1 Technical data for the VRC 630 13 2 Sensor characteristics VR 10 sensor characteristics Flow Return Cylinder and Yield sensors Temperature in C R in kOhm 10 5 363 15 4 238 20 3 372 25 2 700 30 2 176 35 1 764 40 1 439 45 1 180 50 0 973 55 0 806 60 0 67...

Page 143: ...e systems Chap 7 3 5 Switch on delay Switch off delay Reverse boiler sequence 1 60 min 1 60 min Off On 5 min 5 min Off C9 Special function teleSWITCH Chap 7 3 6 1 teleSWITCH for HK1 HK15 teleSWITCH for cylinders None Heating Off Auto Eco Energy sav None On Off Auto Energy sav Off C9 Special function floor drying Chap 7 3 6 2 Schedule HK2 HK15 0 29 0 C11 Service Chap 7 3 7 Telephone number of servi...

Page 144: ...oliday target value for heating Set target room tempera ture for holiday period C 5 30 1 15 5 HC1 parameters Chap 7 2 5 Set back tempera ture Define set back tempera ture for periods between the time slots when the frost protection function is set the set back temperature is automati cally 5 C Set back temperature is not displayed C 5 30 1 15 Heating curve Control the flow tempera ture as a functi...

Page 145: ...91 Installation Instructions VRC 630 0020095108_00 Appendix Declaration of conformity Fig A 1 Declaration of conformity ...

Page 146: ...ting modes including those selected by telephone are interrupted if this function is activated The flow tempe rature of the controlled heating circuit is controlled according to a pre set program regardless of the out side temperature Starting temperature 25 C The operating mode is displayed together with the cur rent day and the target inlet temperature The current day can be set manually When th...

Page 147: ...digit indicates the protection of the equip ment from the ingress of water 0 no protection Manual operation In manual mode you can actuate every single sensor pump and mixer in the heating circuit separately and check its functionality Maximum limit outside temperature The maximum limit outside temperature is the outside temperature at which the demand dependent heating shutdown automatic shutdown...

Page 148: ...om 3 00 to 2 00 hrs Switch off delay only for cascades At the end of the switch off delay the next stage to be switched off is only actually switched off if the shut down temperature is still exceeded Switch on room temperature Room temperature control incorporates the room tem perature into the calculation of the flow temperature Prerequisites There is a temperature sensor which measures the room...

Page 149: ... The outside temperature is measured by a separate sen sor which is mounted in the open air and the results are transmitted to the controller At low outside tempera tures the controller provides increased heating output at higher outside temperatures the heating output is reduced ...

Page 150: ...ses 83 External sensor 4 Fitting the VRC 693 25 Mounting the DCF receiver 24 F Floor drying 69 Frost protection function 10 13 Functions 10 Frost protection function 10 13 Holiday function 10 One time Cylinder Charging 10 Override function 10 Overview 10 H Handing over the appliance to the owner 81 Heating circuit 93 Heating curve 12 53 Holiday programme 10 Holiday function 10 Holiday programming ...

Page 151: ... Current room temperature 73 Cylinder ACT 60 Display contrast 73 Fast temp increase 65 Frost protection delay 64 Heating curve 53 59 Hot water temperature 54 Legionella protect start 63 Low loss header temp ACTUAL 67 Max pre switch off 64 Max preheating 59 Max limit outs temp 59 Minimum temperature 59 Number of boilers 74 Outside temperature 73 Parallel charging 62 Preference 75 Pump delay time 60...

Page 152: ...0020095108_00 GB 022010 Subject to alterations ...

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