Vaillant VRC 700 User manual

UK VRC 700(f) Boiler Schematics
and Installation Guide
Controls: VRC700(f), VR91(f), VR70, VR71
This guide booklet contains information to assist in the installation and commissioning
of your boiler system. This booklet should be used alongside all the relevant manuals for
the equipment supplied.
Please read the contents very carefully for a successful installation.
Table of Contents
General Notes..................................................................................................................................................2
Terms and Conditions for Vaillant Schematic Diagrams...................................................................................2
Schematic Diagrams.........................................................................................................................................3
VRC 700 Commissioning / Configuration........................................................................................................29
VRC700 System Configuration Relevant Settings ...........................................................................................32
Schematics Legend.........................................................................................................................................39

2
General Notes
•Ensure registration of individual components within a pack instead of the pack
itself when registering your guarantee.
•Ensure system wiring adheres to the relevant Vaillant schematic diagram.
•Check eBus polarity on all connections.
•Ensure isolation at relevant electrical points.
Terms and Conditions for Vaillant Schematic Diagrams
•All applicable laws and regulations must be followed.
•The Diagram may be subject to alteration at any time.
•Vaillant is not responsible for any inaccuracies or omissions in the
information and drawings provided to it and upon which it relies when
constructing the diagrams.
•Any reproduction of the design must have the prior permission of Vaillant.
•During the planning, design, installation and later use of the system, all
operating instructions must be followed.
•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.
•Vaillant makes no representations or warranties of any kind, express or
implied about the completeness, accuracy, reliability or suitability of the
diagram for any purpose. Any reliance you place on the diagram is therefore
strictly at your own risk.
•These disclaimers and exclusions shall be governed by and construed in
accordance with English law.

3
Schematic Diagrams
The below systems are the most popular system installations in the UK. For further
assistance please call Vaillant Technical on: 0344 693 3133
For the relevant settings in the VRC700 wired or wireless controller, refer to page 32.
Care must be taken going through each setting diligently and adjust as necessary in
accordance to system configuration and property requirements. Only key settings are
listed in this document, refer to the VRC700 installation manual for further guidance.
Combination Boiler Schematics
Page No.
Combination Boiler, 1 Radiator Zone
4
Combination Boiler, 2 Radiator Zones
6
Combination Boiler, 3 Radiator Zones
8
Combination Boiler, 1 Radiator & 1 Underfloor Zone
10
Combination Boiler, 2 Radiator & 1 Underfloor Zone
12
System Boiler Boiler Schematics
Page No.
System Boiler, Domestic Hot Water, 1 Radiator Zone
14
Regular Boiler, Solar Thermal Domestic Hot Water, 1 Radiator Zone
16
System Boiler, Domestic Hot Water, 1 Underfloor Zone
18
System Boiler, Domestic Hot Water, 2 Radiator Zones
20
System Boiler, Domestic Hot Water, 1 Radiator Zone, 1 Underfloor Zone
22
System Boiler, Domestic Hot Water, 2 Radiator Zones, 1 Underfloor Zone
24
System Boiler, Domestic Hot Water, 3 Radiator Zones
26
System Boiler Cascade x7 Arrangement
28

4
Drg. No. 23 – Combination Boiler, 1 Radiator Zone
For VRC700 System Configuration Relevant Settings see page 32

5

6
Drg. No. 91 – Combination Boiler, 2 Radiator Zones
For VRC700 System Configuration Relevant Settings see page 32

7

8
Drg. No. 186 – Combination Boiler, 3 Radiator Zones
For VRC700 System Configuration Relevant Settings see page 32

9

10
Drg. No. 159 – Combination Boiler, 1 Radiator & 1 Underfloor Zone
For VRC700 System Configuration Relevant Settings see page 32