
Cleaning the units
The unit housing must be opened to allow the
inside of the unit to be cleaned and to provide
access to electrical components.
NOTICE!
Adjustment and maintenance work may only be
carried out by authorised qualified technicians.
1.
Loosen the two fastening screws [C].
2.
Lift up the service flap and unhook the top
lugs.
C
3.
Clean the condenser fins by blowing, with
suction or using a smooth brush.
4.
Clean the evaporator fins, for example with a
lukewarm soap solution (or similar).
NOTICE!
When cleaning the exchanger, particular care
must be taken because the fine aluminium fins
bend very easily.
5.
Never subject to direct jets of water.
6.
Rinse with clean water to remove any
remaining soap.
7.
Clean the internal surfaces of the unit and
the fan blade.
8.
Clean the condensate trap and the connec-
tion nozzle.
9.
Once cleaning has been completed, the unit
should be dried.
Take particular care with
electrical components!
10.
Re-install all dismantled components in
reverse order.
11.
Carry out a unit function check and electrical
safety check.
WARNING!
An electrical safety check must be carried out in
accordance with VDE 0701 after any work on
the units.
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