Decommissioning 6
0020198787_00 VR 70 Installation instructions
7
▶
Only strip the outer sheathing of flexible
cables to a maximum of 2.5 cm to prevent
short circuits.
▶
Lay the lines correctly.
▶
Use the strain relief.
3.
Do not damage the insulation on the connecting wires
when you strip the outer sheathing of the line.
Connecting the line to the upper terminal block
C
B
D
≤25 mm
A
4.
Connect the required inputs and outputs in accordance
with the illustration.
5.
Connect the eBUS line to the terminal strip in the con-
troller's wall socket.
Connecting the line to the lower terminal block
B
E
D
C
≤25 mm
A
6.
Connect all of the required lines in accordance with the
illustration.
7.
Set the bus address. (
→
Page 7)
8.
Close the product. (
→
Page 6)
5.1
Setting the bus address
BUS
- +
S2
1 2
S3
1 2
S4
1 2
S5
1 2
S6
1 2
S7
O
I
1
1
1
Address switch
▶
Assign a unique address to each
VR 70
that is connec-
ted, beginning with Address 1.
6
Decommissioning
1.
Decommission the heating installation if you want to
replace the product.
2.
Disconnect the product from the power mains by de-en-
ergising the product using a partition that has a contact
opening of at least 3 mm.
3.
Check that the product is de-energised.
4.
Secure the power supply against being switched on
again.