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4 Installation
2
5
Fig. 4.6 Electrical wiring
Fig. 4.6 Câblage électrique
Afb. 4.6 Elektrische bedrading
28
TR
1
Heating element
Radiateur
Heizkörper
Verwarmingselement
3
S
T
4
B
6
4.5 Filling the tank
When using the VEN unit for the first time (and
whenever it has been drained due to frost hazard, for
servicing or during work on the water-supply system),
the unit must be filled with water before being plugged
into the mains power supply.
Keeping the outlet clear
During operation, the expansion of the water in the tank
as it heats up results in some hot water dripping from
the swiveling outlet.
The low-pressure valve assembly with swiveling outlet
MUST be kept unobstructed. Do not fit items such as
hoses or spray-heads.
When a Vaillant low-pressure valve assembly
is in use, the hot-water tap outlet is opened –
with the cold-water outlet tap fully closed –
until the water flows at a regular rate.
If a low-pressure thermostatically controlled
valve assembly is fitted, the temperature
selector is turned as far as it will go into the
red zone and the tap outlet is kept open until
water flows at a regular rate.
4.6 Electrical connection
Do not connect the Vaillant VEN electric
storage water heater to the mains power
supply without first filling it with water.
The appliance connection lead should be plugged into
a standard, correctly-installed wall socket (2 kW,
230 V~ AC). Do not install the appliance in a position
where it obstructs free access to the plug and socket.
The VEN unit is not designed to be hard-wired into
the electrical system.
Fig. 4.6: Key
1 Temperature regulator (TR)
2 Indicator lamp
3 Earth (ground) lead
4 Temperature-activated safety shutoff (wire fuse)
5 Mains connection plug
6 Heating element
VEN 5/5 classic; VEN 5/5 exclusiv
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