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2 Safety precautions and regulations
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2 Safety precautions and regulations
Vaillant VEN electric storage water heaters are made to
the latest technical benchmarks and recognised safety
standards. Incorrect operation of the appliance can
nevertheless lead to the possibility of serious or fatal
injury to the user or third parties, along with
malfunctions in the appliance or other material damage.
Caution!
These appliances are designed for heating
water from the mains supply only. The
appliance may suffer corrosion damage if the
water supply is not of accepted drinking-
water quality.
Caution!
The Vaillant electric storage water heater is
not designed to work under pressure, and
should therefore only be installed along with a
Vaillant low-pressure valve assembly.
2.1 Safety precautions
Installation of the appliance, and any repairs that may
be required, should only be carried out by an authorised
service installer.
Danger!
Note that VEN appliances can deliver tap-
outlet temperatures of up to 85 °C.
In the event of a malfunction occurring
The safety fuse blows whenever the appliance suffers a
malfunction. The cause of the fault must be determined,
and the fault rectified, by an authorised service installer
before the appliance can be put back into service. Please
refer to section 3.5, page 20 ("Troubleshooting").
Caution!
Do not attempt to repair the appliance
yourself. Do not try to open the appliance.
The safety fuse must only be replaced by an
authorised service installer.
For added safety in the event of a fault occurring, it is
advisable to disconnect the appliance from the mains
power supply at the main switch. If there are any leaks,
ensure also that the cold-water supply inlet valve to the
appliance is shut. Contact an authorised service installer
immediately in order to have the fault repaired.
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