Cleaning, Care And Maintenance; Troubleshooting - STIEBEL ELTRON DHE 21 SLi Gebrauchs- Und Montageanleitung

OPERATION

Cleaning, care and maintenance

7 Adjusting the backlighting
You are able to adjust the display backlighting. If you select "Auto"
the illumination will flash during the setting process.
- The backlighting switches on whenever the appliance heats
and with any operation of the user interface.
- If there is no operation for 30 seconds the backlighting
switches off.
- If you select "On" the backlighting will remain on constantly.
8 Adjusting the green/amber brightness
You can adjust the brightness of both backlighting colours indi-
vidually.
9 Selecting the currency
Here you can select the currency you wish to display for the en-
ergy and water saving:
Eur = €
cur = any other currency
10 Setting the electricity tariff
Here you can enter your particular electricity tariff in Eur/kWh or
cur/kWh in order to calculate the energy saving.
11 Setting the water tariff
Here you can enter your particular water tariff in €/m³ or cur/m³
in order to calculate the water saving.
12 Setting the CO2 emissions value
The factory default for the CO2 emissions calculation is 553 g
CO2⁄kWh (source: "Reducing energy consumption and CO2 emis-
sions through electrical domestic hot water supply", 2011). You can
also set your own CO2 emissions value if required.
13 Resetting to factory defaults
f Press keys M and i simultaneously for 2 seconds. f
The default settings can be found in the dashed box in the dia-
gram.
14 Parameter
This parameter is not relevant to this version of the appliance. It
is not possible to adjust any settings.
15 Parameter
This parameter is not relevant to this version of the appliance. It
is not possible to adjust any settings.
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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. You can remove limescale f
deposits at the tap outlets using commercially available des-
caling agents.
6.

Troubleshooting

Fault Cause
The appliance will not There is no mains volt-
start in spite of a fully age.
open DHW valve.
The aerator in the tap or
shower head is scaled up
or contaminated.
The water supply has
been interrupted.
Cold water flows briefly The air sensor detects air
while hot water is being in the water and briefly
drawn. switches the heater off.
Temperatures > 43 °C. Dynamic anti-scalding
protection is activated.
If you cannot remedy the fault, notify your heating contractor. To
facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000):
Remedy
Check the fuse/MCB in
your fuse box/distribu-
tion panel.
Clean and/or descale the
aerator or shower head.
Vent the appliance and
the cold water inlet line
(see chapter "Commis-
sioning/ Restarting").
The appliance restarts
automatically after
1 minute.
Dynamic anti-scalding
protection automatically
ceases 2 minutes after
draw-off has ended.
DHE ... SL
No.: 000000-0000-000000
DHE SLi | 27