STIEBEL ELTRON LWZ 304 SOL - 5 Cleaning, Care and Maintenance; Replacing Supply Air and Extract Air Filters

OPERATION
Cleaning, care and maintenance
ENGLISH
www.stiebel-eltron.com LWZ 304-404 SOL | 23
5. Cleaning, care and maintenance
Note
Keep the air intake and discharge apertures on the exte-
rior wall free from snow and leaves.
5.1 Replacing supply air and extract air filters
Shutting down ventilation:
f Hold down MENU for five seconds.
f If you have already navigated through the menu tree, press-
ing MENU will return you to the default display. If necessary
you may have to press menu several times.
f Slide your finger along the scroll wheel until you reach the
FAN STAGES entry.
f Press OK.
f Press OK again to adjust the parameter
UNSCHEDULED
VENT.
f Set parameter UNSCHEDULED VENT. to 0, by sliding your
finger anti-clockwise over the scroll wheel.
f Confirm with OK.
f Set parameter
UNSCHED. VENT TIME 0 to a suitable value.
26�04�01�0545
f Open the function module door.
You can replace the supply and extract air filters as follows:
2.
3.
4.
1.
26�04�01�0544
1
2
1 Extract air filter
2 Supply air filter
f Undo the r.h. knurled nut by turning it anti-clockwise.
f Undo the l.h. knurled nut by turning it anti-clockwise to ena-
ble the filter cover to be pivoted downwards.
f Pull out the filter cassette.
Note
Ensure that you do not swap the extract air and supply air
filters when reinserting them into the appliance. The ex-
tract air filter cassette features two grip holes at the front.
When inserting the filter mat into the filter cassette,
please note that the white side of the filter mat must
face the grille of the filter cassette.
f Replace the filter.
f Push the new filter cassette into the appliance.
f Rotate the filter cover back into its original position and then
tighten the r.h. knurled nut clockwise.
f Tighten the l.h. knurled nut.
f At the programming unit, activate parameter
RESET FIL-
TER
[MENU/VENTILATION/SERVICE].
!
WARNING Injury
All other work on the appliance must only be carried out
by qualified contractors.
Note
Have the cross-countercurrent heat exchanger, outdoor
air filter, evaporator and fans checked and (if required)
cleaned once a year by a qualified contractor.
296066-38500-9030_LWZ_304-404_SOL_Bedienung_en.indb 23 21.07.2015 12:03:56