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Vaillant VRC 700 Schematics And Installation Manual

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UK VRC 700 Boiler
Schematics and
installation guide
Domestic Boiler Range
Controls: VRC 700, VR 70, VR 71, VR 91
The Vaillant VRC 700 Boiler Schematic contains documentation to assist in the installation
and commissioning of your boiler system. These documents should be used alongside the
relevant manuals for the equipment supplied.
Please read the contents very carefully for a successful installation.

Table of Contents

Gurantee information / Wiring check list / General Notes......................................................................... 2
Terms and conditions for Vaillant schematic diagrams.............................................................................. 2
Schematic Diagrams / System Configuration Relevant Settings ............................................................ 3
VRC 700 Commissioning / Configuration..................................................................................................... 40
Schematics Legend............................................................................................................................................. 43

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Summary of Contents for Vaillant VRC 700

  • Page 1: Table Of Contents

    Domestic Boiler Range Controls: VRC 700, VR 70, VR 71, VR 91 The Vaillant VRC 700 Boiler Schematic contains documentation to assist in the installation and commissioning of your boiler system. These documents should be used alongside the relevant manuals for the equipment supplied.

  • Page 2: Gurantee Information / Wiring Check List / General Notes

    ⬤ In no circumstances shall Vaillant be liable to you or any other third parties for any loss or damage (including, without limitation, damage for loss of business or loss of profits) arising directly or indirectly from your use of or inability to use, this diagram.

  • Page 3: Schematic Diagrams / System Configuration Relevant Settings

    Schematic Diagrams The below systems are the most popular in the UK. For further assistance call Vaillant technical: 0344 693 3133. Common UK Combination boiler Schematics Schematic Description Page number number 20011-1001 Combination Boiler, 1 Radiator Zone 4 - 6...
  • Page 4 20011-1001 - UK VRC 700 - Combi Boiler with 1 Radiator Zone...
  • Page 5 230 V~...
  • Page 6 VRC 700 System Configuration Relevant Settings 20011- 1001 - Combination Boiler, 1 Radiator Zone Setting Value System Adapt. heat curve: No System diagram configuration System diagram 1 Heating Circuit type: Heating OT switch-off threshold 30 Heating curve **Site specific Maximum temperature 70...
  • Page 7 20026-1002 - UK VRC 700 - Combi Boiler with 2 Radiator Zone...
  • Page 8 ZN2 - RAD ZN1 - RAD 230 V~...
  • Page 9 VRC 700 System Configuration Relevant Settings 20026- 1002 - Combination Boiler, 2 Radiator Zones (Direct) Setting Value System Adapt. heat curve: Activated Configure heat. circ. Zone 1 System diagram configuration System diagram 1 Config.: VR70 addr. 1 1 MA VR70, addr. 1 No Function...
  • Page 10 20029-1003 - UK VRC 700 - Combi Boiler with 3 Radiator Zone...
  • Page 11 ZN3 - RAD ZN2 - RAD ZN1 - RAD 230 V~...
  • Page 12 VRC 700 System Configuration Relevant Settings 20029- 1003 - Combination Boiler, 3 Radiator Zones (Mixed) Setting Value Setting Value System Heating 3 Adapt. heat curve: No Circuit type: Heating Configure heat. circ. Zone 1 Max limit outs.temp. 30 System diagram configuration...
  • Page 13 20152-1002 - UK VRC 700 - Combi Boiler with 1 Radiator Zone & 1 Underfloor Zone...
  • Page 14 ZN2 - UFH1 ZN1 - RAD 230 V~...
  • Page 15 VRC 700 System Configuration Relevant Settings 20152- 1002 - Combi Boiler with 1 Radiator Zone & 1 Underfloor Zone Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 System diagram configuration System diagram 1 Config.: VR70 1...
  • Page 16 20028-1003 - UK VRC 700 - Combi Boiler with 2 Radiator Zones & 1 Underfloor Zone...
  • Page 17 ZN3 - UFH ZN2 - RAD ZN1 - RAD 230 V~...
  • Page 18 VRC 700 System Configuration Relevant Settings 20028- 1003 - Combi Boiler with 2 Radiator Zones & 1 Underfloor Zone Setting Value Setting Value System Heating 3 Adapt. heat curve: No Circuit type: Heating Configure heat. circ. Zone 1 Max limit outs.temp. 30...
  • Page 19 10011-1011 - UK VRC 700 - System Boiler, DHW Tank with 1 Radiator Zone DCF / AF...
  • Page 20 DHW CYL ZN1 - RAD 230 V~...
  • Page 21 VRC 700 System Configuration Relevant Settings 10011- 1011 - System Boiler, DHW Tank with 1 Radiator Zone Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 System diagram configuration System diagram 2 Config.: VR70 addr. 1 1 MA VR70, addr.
  • Page 22 10012-1011 - UK VRC 700 - System Boiler with 1 Underfloor Zone DCF / AF...
  • Page 23 ZN1 - UFH1 DHW CYL 230 V~...
  • Page 24 VRC 700 System Configuration Relevant Settings 10012- 1011 - System Boiler with 1 Underfloor Zone Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 System diagram configuration System diagram 2 Config.: VR70 addr. 1 1 MA VR70, addr. 1 Charg.pump...
  • Page 25 10013-1012 - UK VRC 700 - System Boiler with DHW & 2 Rad Zones DCF / AF...
  • Page 26 DHW CYL ZN1 - RAD ZN1 - RAD 230 V~...
  • Page 27 VRC 700 System Configuration Relevant Settings 10013- 1012 - System Boiler with DHW & 2 Rad Zones Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 System diagram configuration System diagram 2 Config.: VR70 addr. 1 1 MA VR70, addr.
  • Page 28 10014-1012 - UK VRC 700 - System Boiler with DHW, 1 Rad Zone & 1 Underfloor Zone DCF / AF...
  • Page 29 ZN2 - UFH1 DHW CYL ZN1 - RAD 230 V~...
  • Page 30 VRC 700 System Configuration Relevant Settings 10014- 1012 - System Boiler with DHW, 1 Rad Zone & 1 Underfloor Zone Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 System diagram configuration System diagram 2 Config.: VR70 addr. 1 1 MA VR70, addr.
  • Page 31 10262-1013 - UK VRC 700 - System Boiler with DHW, 2 Rad Zones & 1 Underfloor Zone SEC. CIRCULATION...
  • Page 32 DHW CYL SEC. CIRC. ZN3 - UFH ZN2 - RAD ZN1 - RAD 230 V~...
  • Page 33 VRC 700 System Configuration Relevant Settings 10262- 1013 - System Boiler with DHW, 2 Rad Zones & 1 Underfloor Zone Setting Value Setting Value System Heating 3 Adapt. heat curve: No Circuit type: Heating Configure heat. circ. Zone 1 Max limit outs.temp. 30...
  • Page 34 10263-1013 - UK VRC 700 - System Boiler with DHW & 3 Rad Zones SEC. CIRCULATION...
  • Page 35 DHW CYL SEC. CIRC. ZN3 - RAD ZN2 - RAD ZN1 - RAD 230 V~...
  • Page 36 VRC 700 System Configuration Relevant Settings 10100- 1015 - System Boiler with DHW & 3 Rad Zones Setting Value Setting Value Heating 3 System Adapt. heat curve: No Circuit type: Heating Configure heat. circ. Zone 1 Max limit outs.temp. 30...
  • Page 37 10302-2011 - UK VRC 700 - 2 Boiler Cascade with 1 Rad zone SEC. CIRCULATION...
  • Page 38 0 I _ 0 I _ 0...24V 230V~ 230V~ R7/R8 R9/R10 R11/R12 VR 71 PL 230 V~ Burn. 24V= 0 ...24 V 230 V~ ecoTEC Boiler...
  • Page 39 VRC 700 System Configuration Relevant Settings 10302- 2011 - 2 Boiler Cascade with 1 Rad zone Setting Value System Adapt. heat curve: No Configure heat. circ. Zone 1 Actuation reversal On System diagram configuration System diagram 16 Config.: VR71 3 MA VR70 Circi.

  • Page 40: Vrc 700 Commissioning / Configuration

    VRC 700 Commissioning Instructions Use the soft keys found just below the display to go backward and to select settings, use the rotary knob to change your selection and to scroll up and down. Select the language, press OK. Enter the date, press OK.
  • Page 41 Select the system diagram number applicable to the system installed, press OK. Refer to schematic settings for relevant system configuration settings. Select None, press OK. If you have installed a VR70 you will be prompted to select the number and type of heating zones (please note that a mixed circuit is one that is being blended by an electronic mixing valve controlled by the...
  • Page 42 If this screen is displayed, select the assignment for the multi-function output terminal. Select ‘Does not work’ if this terminal isn’t in use. The multi function output terminal relates to R3 on the VR70 and R4 on the VR71. If this screen is displayed, take note of the required sensors and actuators and ensure they are connected.

  • Page 43: Schematics Legend

    10c Non-return Valve 10h Low Loss Header 10j Magnetic Filter 11 Immersion Heater 12 System Controller / Thermostat - VRC 700 12a Zone Thermostat - VR 91 12d Wiring Centre - VR 70 12e Wiring Centre - VR 71 12g EBUS Coupler - VR32/3...
  • Page 44 Contacts Sales enquires Vaillant sells its products through plumbing and heating merchants in the UK. For further information, contact your local Vaillant sales representative. 0345 602 0262 Phone: Training For information on training centres and courses in your area. 0345 601 8885 Phone: training@vaillant.co.uk...

This manual is also suitable for:

Vr 70Vr 71Vr 91