Shutting Down The System; Maintenance - STIEBEL ELTRON LWZ 180 Bedienung Und Installation

INSTALLATIoN

Shutting down the system

13. Shutting down the system
We recommend running the appliance in fan stage 1, even during
prolonged absence.
Material losses
!
If you interrupt the power supply to the appliance, check
that humidity protection is ensured for the building.
If the appliance needs to be taken out of use for an extended peri-
od, disconnect it from the power supply by pulling the mains plug.
f Replace the filters.

14. Maintenance

WARNING Electrocution
Disconnect the appliance from the power supply before
carrying out work inside the appliance.
f Pull the mains plug out of the socket.
Maintenance by the qualified contractor includes cleaning the
cross-countercurrent heat exchanger and the fans. Subject to runt-
ime, this maintenance work should be carried out every 3 years.
f Disconnect the power supply by pulling the power plug from
its socket.
f Remove the front panel (see chapter "Installation / Removing
the front panel").
f Remove the filter drawer from the appliance.
f Undo the screws on the inner front panel.
f Remove the inner front panel from the appliance by tilting
the inner front panel forwards and then lifting it out of the
bottom slots.
56 | LWZ 180 | LWZ 280 | LWZ 180 Enthalpie | LWZ 280 Enthalpie
1
1 Wing screw
f To remove the heat exchanger from the appliance, undo the
wing screw, which pushes the support bar against the heat
exchanger from below.
f Carefully remove the heat exchanger from the unit. Avoid
damaging the gaskets in the appliance.
f Use a commercially available vacuum cleaner to remove dust
and other loose dirt particles from the intake and discharge
surfaces.
f If required, clean the heat exchanger with warm water
(max. 55 °C) and a commercially available detergent. Do not
use solvents.
f Flush the heat exchanger with water.
Cleaning the fan units
Each fan unit has a rotating eccentric bolt at the bottom. To ensure
that the seals fit correctly on the fan unit, the eccentric bolt raises
the fan unit while pushing it towards the back. Before pulling out
the fan unit, you must release the eccentric bolt. Retighten the
eccentric bolt after installing the fan unit.
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