Vaillant aroTHERM plus - Establishing the Power Supply, 1~;230 V; Establishing the Power Supply, 3~;400 V

7 Electrical installation
124 Installation and maintenance instructions aroTHERM plus 0020297937_01
7.8 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
7.8.1 1~/230V, single power supply
1. If it is stipulated for the installation site, install one resid-
ual-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.
7.8.2 1~/230V, dual power supply
1. If it is stipulated for the installation site, install two resid-
ual-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 two disconnectors for the product in the building,
as shown in the figure.
3. Use two 3-pole power supply cables. Route this from
the building and through the wall duct to the product.
4. Connect the power supply cable (from the heat pump
electricity meter) to connection X200 in the electronics
box.
5. Remove the 2-pole bridge from the
X210 connection.
6. Connect the power supply cable (from the household
electricity meter) to connection X211.
7. Use the strain relief clamps to secure the power supply
cables in place.
7.9 Establishing the power supply, 3~/400V
▶ 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 3~/400V, single power supply
1. If it is stipulated for the installation site, install one resid-
ual-current circuit breaker for the product.
N
L3
L2
L1
1
2
3
4
5
L1
L2
L3
N
X211
X210
X200
1
2
L
N
L
N
4
2
3
1
2. Install a disconnector for the product in the building, as
shown in the figure.
3. Use one 5-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 3~/400V, dual power supply
1. If it is stipulated for the installation site, install two resid-
ual-current circuit breakers for the product.