Appliance Shutdown - STIEBEL ELTRON LWZ 130 Bedienung Und Installation

INsTALLATIoN
Appliance shutdown

13. Appliance shutdown

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
period, disconnect it from the power supply.
f Replace the filters. f
14. Maintenance
WARNING Electrocution
Disconnect the appliance from the power supply before
carrying out work inside the appliance.
Activity
Cleaning the condensate pan
Condensate drain
Clean cross-countercurrent heat exchanger
Fan
Preheater
Air ducts
f Open the cover beneath the appliance or remove the sus- f
pended ceiling panels under the appliance.
f Interrupt the power supply. f
Condensate pan
2
1
1 Condensate pan fixing screws
2 Condensate pan
f Undo the fixing screws of the condensate pan. f
f Remove the condensate pan from the appliance carefully as it f
may still contain water.
Condensate drain
Material losses
!
A blocked condensate drain can cause appliance faults.
If the condensate drain is blocked, condensate can escape
from the appliance in an uncontrolled manner and cause
water damage.
46 | LWZ 130
Clean the float module of the condensate pump
This section is not necessary if no condensate pump is connected.
f Check the functionality of the float module every two years. If
You can remove the cover of the float module. During assembly,
ensure that the bevelled side of the float magnet faces upwards.
f Push the cover back onto the float module.
Cross-countercurrent heat exchanger
f Remove the wedge from between the appliance body and the
f Carefully remove the heat exchanger from the unit. Avoid
f Use a commercially available vacuum cleaner to remove dust
f If required, clean the heat exchanger with warm water
Maintenance interval
(in years)
1
f Flush the heat exchanger with water.
1
3
Fan
3
You can clean the fans without disconnecting the cables leading
2
to the fans. Nevertheless, we recommend removing the control
3
panel cover. Then you can unplug the control cable and power
cable from the printed circuit board.
f Undo the screws securing the fans.
f Clean the fans with a soft brush.
Preheater
In principle, the preheater does not need to be cleaned. Inade-
quate filter changing can cause dust to build up in the appliance.
In this case, the preheater does need to be cleaned.
Refitting the components
f Push the fan units back into the appliance.
f Reconnect the fan cables.
f Fit the control panel cover.
1
f Slide the cross-countercurrent heat exchanger back into the
f Push the wedge back in again.
f Fit the condensate pan.
Air ducts
Air ducts must be checked at regular intervals and cleaned if nec-
essary. Disconnect the air ducts from the appliance or carry out in-
spection and cleaning through the extract air and supply air vents.
f
necessary, clean the float module.
f
f
cross-countercurrent heat exchanger.
f
damaging the EPS parts in the appliance.
f
and other loose dirt particles from the intake and discharge
surfaces.
f
(max. 55 °C) and a commercially available detergent. Do not
use solvents.
f
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appliance.
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