Settings; Cleaning, Care And Maintenance; Troubleshooting - STIEBEL ELTRON DEM 3 Bedienung Und Installation

oPERATIoN

Settings

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 the starting flow rate and flow rate limit, see chapter "Instal-
lation / Specification / Data table".
Increasing the temperature
f Reduce the flow rate at the tap.
Reducing the temperature
f Open the tap further. Add more cold water.
Following an interruption of the water supply
See chapter "Installation / Commissioning / Recommissioning".
5.

Cleaning, care and maintenance

f Never use abrasive or corrosive cleaning agents. A damp
cloth is sufficient for cleaning the unit.
f Check the taps regularly. Limescale deposits at the tap out-
lets can be removed using commercially available descaling
agents.
f Have the electrical safety of the appliance regularly checked
by a qualified contractor.
36 | DEM
f Regularly descale or replace the special aerator in the tap (see
chapter "Installation / Appliance description / Accessories").
6.

Troubleshooting

Problem Cause
The appliance will not No voltage at 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 preferred tempera- The maximum tempera-
ture is not being reached. ture set inside the appli-
ance is too low.
The appliance has
reached its output limit.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000).
DEM . . No.: 000000-0000-000000
Remedy
Check the fuse/MCB in
your fuse box/distribu-
tion board.
Clean and/or descale the
aerator or replace the
special aerator.
Vent the appliance and
the cold water supply
line (see chapter "Instal-
lation / Commissioning /
Recommissioning").
Have your qualified con-
tractor adjust the maxi-
mum temperature.
Reduce the flow rate.
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