STIEBEL ELTRON DHE 18 AU, Эксплуатация и установка, Страница: 8 / 24

OpErATiON
Cleaning, care and maintenance
8 | DHE AU www.stiebel-eltron.com
menu Description Selectable display |
setting
Explanations Symbol |
display
P 11 Resetting the consump-
tion values
Reset ( | ) You can reset the consumption values. "rSEt" is shown on the display.
f Press "1" and "2" simultaneously and hold for longer than 5 sec-
onds. The display switches to "On" to confirm the reset.
f
To confirm "On", press and hold "i" for more than 5 seconds.
P 12 Backlighting Auto | On You can adjust the display backlight.
- If "Auto" is selected, the backlight is switched on during heating
operation and each time an action is performed. If no action is per-
formed for 30 seconds, the backlight is switched off again.
- If you select "On", the backlight will remain on constantly.
P 13 Reduce backlighting 100 % | 20 % ( ) You can select 2 levels of brightness for the backlight.
P 14 Wireless module After installation of a wireless module (with or without paired wire-
less remote control) in the appliance, menu item P 14 is enabled and
"rc" appears on the programming unit display. You can pair one or
more wireless remote controls; to do so, follow the pairing procedure
on the appliance and the wireless remote control.
Pressing "1" on the appliance for longer than 5 seconds starts the
pairing process, which is shown on the programming unit of the ap-
pliance by a progress bar on the display and the operating LED flash-
ing. Start the pairing process on the wireless remote control as de-
scribed in the relevant operating instructions. After successful pairing,
the operating LED on the appliance flashes briefly. An unsuccessful
pairing attempt is automatically terminated after 30 seconds.
Pressing "2" on the appliance for longer than 5 seconds unpairs all
connected wireless remote controls. During unpairing, "rc0" appears
on the display of the programming unit for 5 seconds, then "rc" again.
4.9.3 Deactivating the parameter menu
f f Exit the menu item by pressing "i" and holding for more than
5 seconds. Alternatively: The system exits the menu item au-
tomatically 30 seconds after the setting has been completed.
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:
f f 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
f f
Set the temperature at the instantaneous water heater 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.
f f Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
f f Open the tap for one minute until the appliance and
its upstream cold water inlet line are free of air.
f f Switch on the power supply again.
5. Cleaning, care and maintenance
f f
Never use abrasive or corrosive cleaning agents. A damp
cloth is sufficient for cleaning the appliance.
f f Check the taps regularly. Limescale deposits at the tap out-
lets can be removed using commercially available descaling
agents.