23
!
Maintenance
40
18. Maintenance
The stainless steel surfaces of the bath vessel and of the
housing may after some time show spots and become tar-
nished. Normal stainless steel cleaners as they are used in
the kitchen can be used. The bath vessel and built-in compo-
nents should occasionally (at least every time the bath liquid
is changed) be cleaned using a household cleaner. Vinegar-
based cleaners have proved to be suitable used according
to the manufacturers recommendations.
Do not use scouring powder!
The inside of the bath vessel must be kept clean in order to
ensure a long service life. Substances containing acidic or
alkaline substances and metal shavings should be removed
quickly as they could harm the surfaces causing corrosion.
If corrosion (e.g. small rust marks) should occur in spite of
this, cleaning with stainless steel caustic agents has proved
to be suitable. These substances should be applied accord-
ing to the manufacturers recommendations.
18.1 Cleaning the fins of the liquefier
In order to maintain the cooling capacity of the unit, cleaning
has to be done two to four times per year, depending on the
grade of soiling.
1
Loosen ventilation grid 23: Rotate the mounting screws
90
°
in any direction and remove grid.
2
Clean fins with brush or similar tool.
3
Replace grid and push screws back in (do not rotate
screws).
18.2 Discarding the unit
One day the life span of your cooling unit will end.
Therefore:
This unit contains ozone-friendly coolants R404A
and R23. The unit may however only be discarded
by authorized personnel.
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