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Appliance description
3.2.4 Signal words
Signal
Meaning
word
DANGER
Failure to observe this information will result in death or
serious injury
WARNING Failure to observe this information may result in death or
serious injury
CAUTION
Failure to observe this information may result in moderate
or minor injury
NOTICE
Failure to observe this information may result in property
damage, consequential losses or environmental damage
3.3
Safety instructions
– There is a risk of scalding at outlet temperatures in excess
of 43 °C.
– The temperature selector should only be removed by a
qualified contractor.
– Where children or persons with limited physical, sensory or
mental abilities are allowed to use this appliance, we re-
commend a permanent temperature limit. A qualified con-
tractor can set this limit.
Possible property damage
– Frost can destroy the appliance and the connected tap. Pro-
tect the appliance and the tap against frost.
– Never subject the appliance to water pressure. The tap out-
let has a vent function. Scale build-up can block the outlet
and subject the appliance to pressure.
– Never block the tap outlet.
– Only use special aerators for non-pressurised water
heaters.
– Never extend the tap outlet with a tap hose.
– Connecting the appliance via an external switching facility
such as a time switch will cause an unintentional reset of
the high limit safety cut-out. The appliance must not be
connected to a power circuit that is regularly switched on
and off by a device.
General information
Only a qualified contractor should carry out installation, com-
missioning, maintenance and repair of the appliance.
We guarantee trouble-free function and operational reliability
only if original accessories and spare parts intended for the ap-
pliance are used.
4
Appliance description
4.1
Function
The open vented (non-pressurised) appliance is only suitable for
undersink installation. The appliance is intended to heat cold
water for supplying a single draw-off point. It must only be used
with a non-pressurised tap.
Thermostop function
The thermostop function (thermal separation) prevents the tap
becoming hot in standby mode.
Anti-drip function
The anti-drip function prevents expansion water from escaping
from the tap during heating. When water is heated, gas bubbles
are formed. The amount of gas bubbles depends on the water
quality. At temperatures >75 °C, the rising gas bubbles can
cause residual water to drip from the tap outlet.
14
| SNU 5 Plus | AU | GB | 1 kW
Subject to design, some taps have a tendency to drip for a short
while after being closed. This dripping is caused by residual wa-
ter escaping from the tap outlet and is not linked to expansion
water.
4.2
Standard delivery
The following are delivered with the appliance:
– Wall mounting bracket
– Drilling template (10 litre appliance only)
4.3
Required accessories
A non-pressurised tap must be used for open vented operation
of the appliance. Stiebel Eltron offers a wide range of suitable
taps.
5
Installation (qualified contractors)
5.1
Installation site
Property damage
The water in the appliance may freeze and damage
the cylinder and connections by expansion.
u Only install the appliance in a room free from the
risk of frost.
Property damage
u Mount the appliance on the wall. The wall must
have sufficient load bearing capacity.
Property damage
The appliance is designed for undersink installation.
u During installation, the water connections on the
appliance must point upwards.
Ensure that the appliance is freely accessible for
maintenance work.
Always install the appliance vertically and near the draw-off
point.
D0000105763
5.2
Appliance installation
u Mark out the holes for drilling using the installation tem-
plate.
u Drill the holes and insert suitable rawl plugs.
u Secure the wall mounting bracket using suitable screws.
NOTICE
NOTICE
NOTICE
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