Settings; Cleaning, Care And Maintenance; Troubleshooting - Stiebel Eltron DEM 3 Utilisation Et Installation

oPErATIoN

settings

Fitting the special aerator supplied provides an optimum water jet.
4. Settings
The appliance heating system switches on automatically as soon
as you open the DHW valve at the tap or activate the sensor of a
sensor tap. The water is heated. The water temperature can be
adjusted at the tap:
For initial flow rate and flow rate limiting, see chapter "Specifi-
cation".
Increasing the temperature
f Reduce the flow rate at the tap. f
Reducing the temperature
f Open the tap further or add more cold water. f
Following an interruption of the water supply
See chapter "Commissioning / Recommissioning".
5.

Cleaning, care and maintenance

f Never use abrasive or corrosive cleaning agents. A damp f
cloth is sufficient for cleaning the appliance.
f Check the taps/valves regularly. Limescale deposits at the f
spouts can be removed using commercially available descal-
ing agents.
36 | DEM
f Have the electrical safety of the appliance regularly checked f
by an electrician.
f Regularly descale or replace the special aerator (see chapter f
"Appliance description / Accessories").
6.

Troubleshooting

Problem Cause
The appliance will not No power to the appli-
start despite the DHW ance.
valve being fully open.
The aerator in the tap is
scaled up or dirty.
The water supply has
been interrupted.
The required tempera- The maximum tempera-
ture is not being reached. ture set inside the appli-
ance is too low.
The appliance is at its
output limit.
If you cannot remedy the fault, notify your qualified contractor. To
facilitate and speed up your request, provide the serial number
from the type plate (000000-0000-000000).
DEM . . Nr.: 000000-0000-000000
remedy
Check the fuses/MCBs in
your fuse box.
Clean and/or descale the
aerator or replace the
special aerator.
Vent the appliance and
the cold water inlet line
(see chapter "Settings").
Have your qualified con-
tractor adjust the maxi-
mum temperature.
Reduce the flow rate.
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