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oPERATIoN
Cleaning, care and maintenance
70
| DHE
www.stiebel-eltron.com
4.10 Recommended settings
Your instantaneous water heater offers maximum precision and
maximum convenience in DHW provision. Should you nonetheless
operate the appliance with a thermostatic valve, we recommend
that you:
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Adjust the set temperature on the appliance to over 50 °C.
Then set the required set temperature on the thermostatic
valve.
Saving energy
The following recommended settings will result in the lowest en-
ergy consumption:
- 38 °C for hand washbasins, showers, bath
- 55 °C for kitchen sinks
Internal anti-scalding protection (qualified contractors)
If required, the qualified contractor can set a permanent temper-
ature limit, for example in nurseries, hospitals, etc.
Recommended setting for operation with a thermostatic valve
and water preheated by solar energy
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Set the temperature at the appliance to the maximum
temperature.
Following an interruption to the water supply
!
Material losses
To ensure that the bare wire heating system is not dam-
aged following an interruption to the water supply, the
appliance must be recommissioned by taking the follow-
ing steps.
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Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
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Open the tap for one minute until the appliance and
its upstream cold water inlet line are free of air.
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Switch on the power supply again.
5. Cleaning, care and maintenance
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Never use abrasive or corrosive cleaning agents. A damp
cloth is sufficient for cleaning the appliance.
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Check the taps regularly. Limescale deposits at the tap out-
lets can be removed using commercially available descaling
agents.