
Starting up the product 6
0020148369_00 VR 61 Installation instructions 7
▶ Use strain reliefs.
5.1 Connecting the product
Note
The mains connection cable and the eBUS line
are not included in the scope of delivery.
230 V~
PE N L PE N L PE N L
LP/ZP
HK1-P
PE N L
HK2-P
+ -
BUS
2 1
VF2
1
2
3
4
6
7
230 V~
24 V / 3,3 V
PE N Auf Zu
HK2
5
M
230 V~
1 Mains connection
2 Cylinder charging pump or
circulation pump
3 Pump, heating circuit 1
4 Pump, heating circuit 2
5 Mixer valve
6 VRC 470 controller
7 Flow temperature sensor 2
1. Connect the product using a fixed connection and a
partition with a contact opening of at least 3 mm (e.g.
fuses or power switches).
2. Wire the product in accordance with the illustration.
3. Connect the cylinder sensor 1 (SP1, VR 10 accessory)
to the boiler's cable harness (→ Installation instructions
for the boiler).
Note
This also applies when you connect the cylin-
der charging pump directly to the product.
5.2 Completing the electrical installation
1. Secure all lines in the product using the enclosed cable
brackets.
2. Close the casing. (→ Page 6)
6 Starting up the product
1. Ensure that the casing is closed when starting up the
product.
2. Start up the product together with the controller (→ In-
stallation instructions for the controller).
7 Customer service
Applies to: Great Britain
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance Agreement.
Please contact Vaillant Service Solutions (0870 6060 777)
for further details.
8 Technical data
Operating voltage U
max
230 V
Power consumption
≤ 2 V⋅A
Contact loading of the out-
put relay
≤ 2 A
Total current
≤ 4 A
Sensor operating voltage
3.3 V
Cross-section of eBUS line
(extra-low voltage)
≥ 0.75 mm²
Cross-section of sensor line
(extra-low voltage)
≥ 0.75 mm²
Cross-section of 230 V
supply line (pump or mixer
mains cable)
≥ 1.5 mm²
Level of protection
IP 20
Protection class
II
Maximum ambient temperat-
ure
40 ℃
Height
174 mm
Width
272 mm
Depth
52 mm
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