Start-up/decommissioning
14
Installation instructions for the electronicVED exclusive electric instantaneous water heater 0020176440_00
5
5 Start-up/decommissioning
5.1 Purging
the
unit
b
Caution.
Risk of damage from heating wire dry
fire.
The unit must be purged every time it is
started up. Otherwise, there is a risk of dry
fire and, as a consequence, damage to the
unit.
>
Ensure that the unit is de-energised
every time the unit is started up or
decommissioned.
>
Check that there is no voltage in the
supply lines and connections.
>
Ensure that the power cannot be
restored inadvertently to any of the sup-
ply lines and connections while you are
working on the unit.
To start up the unit, proceed as follows:
>
De-energise the unit.
>
Open the cold water stop valve.
>
Close and open the hot water draw-off valve several
times. The unit will then be purged. In normal operating
mode, the unit will not need to be purged again.
2
1
5.1 Safety switch
>
Push the safety switch (
1
) in, as shown in Figure 5.1.
i
If the display cable is not plugged into the elec-
tronics, the power cannot be regulated. The
water temperature that the unit then provides
will comply with the last value set.
5.2
Fitting the unit cladding
2
1
3
4
5.2 Fitting the unit cladding
>
Plug the display cable into slot X7 of the unit's electron-
ics, as illustrated in Figure 5.1, position (
2
).
>
Put the unit cladding (
3
) on.
>
Tighten both bolts (
2
).
>
Grip the panel (
1
) using the two straps.
>
Splay the two straps (slightly pull the panel apart).
>
Put the panel (
1
) on.
>
Make sure that the hot water draw-off valve is closed.
>
Connect the unit to the electrical mains (switch on the
fuse).
Содержание VED E 18/7 E HK
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