6 Electrical installation
30
Installation and maintenance instructions Hydraulic Station 0020291544_01
6.6.2
3~/400V dual power supply
1
2
3
4
5
6
L1
L1
L2
L3
N
X300
X310
X311
2
1
L1
N
3
4
1
2
N
L
L
N
L
L1
L2
L3
N
1.
Note the specifications on the sticker on the electronics
box.
2.
Install two disconnectors for the product.
3.
Use the enclosed 5-pole power supply cable (5 x
2.5 mm
2
) and the preinstalled 3-pole power supply
cable (3 x 4 mm
2
) .
4.
Remove the preinstalled 3-pole power supply cable
from the
X300
connection.
5.
Remove the 2-pole bridge between contacts L1 and L2
on the
X300
connection.
6.
Remove the 2-pole bridge between the
X310
and
X311
connections.
7.
Connect the 5-pole power supply cable (from the heat
pump electricity meter) to the
X300
connection.
8.
Connect the 3-pole power supply cable (from the
household electricity meter) to the
X311
connection.
9.
Use the strain relief clamps to secure the cables in
place.
6.7
Opening the power supply PCB's electronics
box
1.
Remove the front casing. (
→
Page 26)
B
C
A
D
2.
Hinge the electronics box forwards.
3.
Detach the four clips, on the left and the right, from the
brackets.
6.8
Establishing the power supply
2
3
4
1
1.
Remove the front casing. (
→
Page 26)
2.
Open the power supply PCB's electronics box.
(
→
Page 30)
3.
Guide the power supply cable
(3)
and additional power
supply cables (230 V)
(4)
through the central opening
and into the product.
4.
Guide the eBUS cable
(1)
and other low-voltage con-
nection cables (24 V)
(2)
through the left-hand unit
opening and into the product.
1
5.
Guide the power supply cables through the strain relief
(1)
to the terminals on the power supply PCB.
6.
Connect the power supply cable to the corresponding
terminals.
7.
Secure the power supply cable in the strain reliefs.
