Ce Designation; Test Symbols; Appliance Description - STIEBEL ELTRON DEL 18 SL Operation And Installation

OPERATION

Appliance description

Where children or persons with limited physical, sensory
or men tal abilities are allowed to use this appliance, we
recommend a permanent temperature limit. The limit can
be set by you or a contractor:
- The temperature limit (child-proofing) is user adjustable
- Anti-scalding protection can be enabled by a qualified
contractor.
Damage to the appliance and environment
!
Protect the appliance and its tap against frost.

2.3 CE designation

The CE designation shows that the appliance meets all
essential requirements according to the:
- Low Voltage Directive
- Electromagnetic Compatibility Directive
The maximum permissible mains impedance is
indicated in chapter "Specification".

2.4 Test symbols

See type plate on the appliance
Country-specific approvals and certifications: Germany
In line with [German] State Building Regulations, a
general test certificate has been issued for the appliance,
as verification of its suitability regarding noise emissions.
DIN 4109
PA-IX 6816/I
24 | DEL SL electronic LCD
3. Appliance description
The electronically controlled instantaneous water heater
with automatic output matching maintains a consistent outlet
temperature. This is irrespective of the inlet temperature, up
to the maximum output of the appliance.
DHW temperature
The DHW outlet temperature can be variably adjusted.
The selected temperature is displayed.
Display backlighting
The display has white backlighting. During the draw-off
process or a temperature adjustment, backlighting is enabled.
Temperature limit (child-proofing)/ anti-scalding protection
The temperature limit (child-proofing) can be individually
set using the Tmax key. The selected temperature then
limits the setting range of the DHW outlet temperature.
The qualified contractor can also enable static anti-scalding
protection from 43 for you (see chapter "Alternative
installation options/ Anti-scalding protection"). The anti-
scalding temperature then functions as the upper limit for
the DHW outlet temperature and for the temperature limit
(child-proofing).
Heating system
The heating system is suitable for hard and soft water
areas; it has low susceptibility to scale build-up. This system
ensures rapid and efficient DHW availability.
Note
The appliance is equipped with an air detector,
which largely prevents damage to the heating system.
If, during operation, air is drawn into the appliance,
heating out put is shut down automatically for one
minute, thereby protecting the heating system.
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