Start-Up; Removing Air Pockets From The Product - Vaillant electronicVED plus Operating Instructions & Installation Instructions

6 Start-up

5.2.1 Carrying out the top electrical
connection
1. Guide the connection cable through the
upper grommet (2).
2. Connect the individual phases to L1,
L2, and L3 on the power supply ter-
minal (1).
3. Connect the PE protective conductor to
.
5.2.2 Carrying out the bottom
electrical connection
1. Guide the connection cable through the
lower grommet (3).
2. Unscrew the power supply terminal (1).
18
3. Route the power supply terminal, in-
4. Screw the power supply terminal tightly
1
2
5. Check whether the cables for the
6. Connect the individual phases to L1,
L 3
L 2
L 1
7. Connect the PE protective conductor to
5.2.3 Installing an optional load-
If required, a load-shedding relay that con-
forms with current standards can be con-
nected to the product. The role of the re-
lay is to switch off other power consumers
while hot water is being drawn off via the
product so that the house installation is not
overloaded. The load-shedding relay must
fulfil the following criteria:
– Pull-in current < 15 A
– Continuous current > 50 A
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1
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6 Start-up
L 3
L 2
6.1 Removing air pockets from the
L 1
2
3
Installation instructions electronicVED plus 0020288449_01
cluding the internal cable, to the lower
position (2) in the product.
to the lower position.
power supply terminal are routed
correctly.
L2, and L3 on the power supply ter-
minal.
.
shedding relay
Install the load-shedding relay in the L2
outer conductor.
If the product is a replacement product,
also replace the load-shedding relay.
product
Caution.
Risk of damage from heating
wire dry fire
Air pockets in the pipes may
lead to dry fire on the heating
wires during start-up.