System description
8
Installation instructions VRC 470 0020116690_00
3
3.3 Unit
design
1
3
2
6
5
4
7
Fig. 3.2 Front view of VRC 470
1
Display
2
Wall mounting base
3
Diagnosis socket for the heating engineer
Wall mounting base cover
5
Right function key "Mode" (soft key function)
6
Control knob (no key function)
7
Left function key "Menu" (soft key function)
3.4
Identification plate
The identification plate is located on the rear side of the
controller electronics (PCB) and is no longer accessible
from the outside after the controller has been installed
in the boiler or after it has been wall-mounted in the
living area.
(21)092600200285150907011320N4
9 . . . 24V <50mA
VRC 470
1
2
3
4
5
Fig. 3.3 Identification plate (example)
Key
1 EAN
code
2 Unit
designation
3 Operating
voltage
4 Current
consumption
5 CE
label
3.5
Accessories
i
If the controller is supplemented with acces-
sories, please note all relevant installation
instructions.
The following accessories can be used to expand control-
ler functionalities:
Multi-function module VR 40
The multi-function model VR 40 can be used by the con-
troller to control a circulation pump.
Mixer module VR 61/2
The mixer module VR 61/2 expands the controller to a
2-circuit controller.
Solar module VR 68/2
The solar module VR 68/2 can be used by the controller
to control a solar system.
Control Center VR 65
The Control Center VR 65 allows for the use of Vaillant
low voltage "eBUS" controllers with valves and domestic
hot water cylinders from the traditional 230 V range
in the English market.
