Wolf BWL-1 S - Page 109

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In areas with high concentrations of dust or pollen, shorter cleaning intervals
may be necessary alongside the mandatory annual inspection and cleaning, in
ordertoensurethatthesystemoperatesefciently.Adjustthecleaninginterval
to suit the local conditions.
The evaporator must be checked annually for dirt/contamination and cleaned if
necessary. Wet cleaning with a commercially available garden hose is recommended.
Contaminatednsmayreducethesystem'stransferperformanceandconsequentlyits
energyefciency,andintheworstcasescenariomayresultinsystemfailure.
When cleaning, ideally use a wide nozzle with a spray angle of 15° -20°. To prevent
damagetothens,directthewatersprayattheevaporatorsurfacefromthefrontatan
angle of 90°. When cleaning, the water pressure should not exceed 2 - 3 bar.
Neverspraythensfromtheside,asthismaycausethemtobecomedeformed
or bent. Maintain a distance of approx. 20 cm to 30 cm from the evaporator
surface.
Please note
Please note
Cleaning the evaporator on
the BWL-1S(B)
54. Maintenance / cleaning
Install a sludge separator in the heating return. This ensures that neither particles nor
dirt can get into the plate heat exchanger (condenser) of the heat pump. Condenser
blockages and any resulting high-pressure malfunctions are thereby prevented.
Cleaning the dirt trap / sludge
separator
The appliance can be cleaned with a damp cloth and commercially available detergents.
Never use abrasive cleaners or detergents containing acid or chlorine on the appliance
surfaces.
Cleaning the casing
Before the heating season, remove any dirt (leaves, twigs, sludge, etc.) from the
condensate drain.
Before opening the appliance, ensure that all power circuits are isolated from
the power supply.
When cleaning, avoid using sharp or hard objects in order to prevent damage to the
evaporator and condensate pan.
In extreme weather conditions (e.g. drifting snow), ice may occasionally form on the
intake and discharge grilles. In this event, remove any ice and snow from the intake
anddischargeareastoensuretheminimumowrate.
Regularly check and clean the condensate pan to ensure correct drainage. Check
and clean the condensate drain hose. For correct drainage, ensure that there is a
continuous fall.
Cleaning the condensate pan /
condensate drain