6 Start-up
6
Installation instructions Heat pump control module 0020151756_01
5.1
Connecting the product
Note
The mains connection cable and the eBUS line
are not included in the scope of delivery.
2 1
SP1
2 1
VF1
EVU
2 1
ME
2 1
+ -
Bus
PE N 1 2
ZH
PE N Auf Zu
UV1
AF DCF
DCF/AF
PE N L
MA2
PE N L
MA1
PE N L
230 V~
PE N L
230 V~
1
2
3
4
5
6
7 8 9
10
11
230 V~
3,3 V / 5 V / 24 V
12
1 Mains connection
2 Mains connection (altern-
ative)
3 Multi-function output 1
4 Multi-function output 2
5 Diverter valve
6 Auxiliary boiler
7 VRC 470 controller
8 Flow temperature sensor
9 Cylinder temperature
sensor
10 DCF receiver with external
temperature sensor
11 Multi-function input
12 EVU contact
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.
Note
If the diverter valve should be in the position
for cylinder charging, 230 V is output to the
"Open" contact. If the diverter valve should
not be in the position for cylinder charging,
230 V is output to the "Closed" contact.
Note
The EVU contact is used to connect a block-
ing signal (can be configured on the control-
ler).
Contact open: Operation permitted
Contact closed: Operation blocked
3.
Secure all lines in the product using the enclosed strain
reliefs.
4.
Close the casing. (
→
Page 5)
6
Start-up
6.1
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
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
VWZ AI VWL X/2 A
Operating voltage U
max
230 V
Power consumption
≤
2 V
⋅
A
Contact loading of the output relay
≤
2 A
Total current
≤
4 A
Sensor operating voltage
3.3 V
Cross-section of eBUS line (extra-low
voltage)
≥
0.75 mm
²
Cross-section of sensor line (extra-
low voltage)
≥
0.75 mm
²
Cross-section of 230 V supply line
(pump or mixer mains cable)
≥
1.5 mm
²
Level of protection
IP 20
Protection class
II
Maximum ambient temperature
40
℃
Height
174 mm
Width
272 mm
Depth
52 mm
Summary of Contents for VWZ AI VWL X/2 A West
Page 7: ......
