Vaillant aroTHERM plus VWL 75/6 A S2 Series, Operating Instructions Manual

Page: 75 / 232

0020297933_07 Installation and maintenance instructions
75
7.8 Stripping the electrical wire
1. If required, shorten the electrical wire.
-
+
N
L
PE
30 mm ≤
30 mm ≤
40 mm
≤
2. Strip the electrical wire as shown in the figure. In doing
so, ensure that the insulation on the individual conduct-
ors is not damaged.
3. To avoid short circuits resulting from loose individual
wires, fit conductor end sleeves on the stripped ends of
the conductors.
7.9 Establishing the power supply, 1~/230V
▶
Determine the type of connection:
Case Connection type
Energy supply company lockout not
provided Single power supply
Energy supply company lockout
provided, shutdown via connection
S21
Energy supply company lockout
provided, shutdown via partition Dual power supply
7.9.1 1~/230V, single power supply
1. If it is stipulated for the installation site, install one re-
sidual-current circuit breaker for the product.
N
L
1
2
3
4
5
1
2 L
N
L1
L2
L3
N
L
N
X211
X210
X200
4
2
3
1
2. Install a disconnector for the product in the building, as
shown in the figure.
3. Use one 3-pole power supply cable. Route this from
the building and through the wall duct to the product.
4. Connect the power supply cable to connection X200 in
the electronics box.
5. Use the strain relief clamp to secure the power supply
cable in place.
7.9.2 1~/230V, dual power supply
1. If it is stipulated for the installation site, install two re-
sidual-current circuit breakers for the product.
N
L
1
2
3
4
5
L1
L2
L3
N
X211
X210
X200
N
L
1
2
L
N
L
N
4
2
3
1
2. Install a partition for the product in the building, as
shown in the figure.
3. Install two disconnectors for the product in the building,
as shown in the figure.
4. Use two 3-pole power supply cables. Route this from
the building and through the wall duct to the product.
5. Connect the power supply cable (from the heat pump
electricity meter) to connection
X200 . This power sup-
ply may be temporarily switched off by the energy sup-
ply company.
6. Remove the 2-pole bridge from the X210 connection.
7. Connect the power supply cable (from the household
electricity meter) to connection
X211 . This power sup-
ply is constant.
8. Use the strain relief clamps to secure the power supply
cables in place.
7.10 Connecting the eBUS line
1. Use a eBUS line in accordance with the requirements
(
→
Section 7.4).
2. Route the eBUS line from the building and through the
wall duct to the product.
S20
S21
BUS
eBUS
+
-
5
6
3
4
1
2
X206
3. Connect the eBUS line to connection X206, BUS .
4. Use the strain relief clamp to secure the eBUS line in
place.