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9.3
Caution - Heating Contractors
Depending on the water quality and quantity, in particular in the
case of mixed installations and plastic pipes, mineral deposits
(rust sludge, lime) may form impairing the proper functioning of
the heating installation. A cause of this is the water hardness as
well as oxygen dissolved in the filling water as well as additional
oxygen from the air which may penetrate via valves, fittings and
plastic pipes (oxygen diffusion). As a preventive measure it is
recommended that a physical water conditioner such as ELYSA-
TOR be used.
9.3 Cleaning of Air Side
Finned heat exchangers, fan and condensate drain should be
cleaned of debris (leaves, branches, etc.) prior to the start of the
heating season. Contamination of this nature can be removed
manually using compressed air or by washing off with clear wa-
ter.
The appliance cover and the air intake grille may have to be re-
moved for this purpose.
ATTENTION!
Prior to opening the unit it must be ensured that all electrical circuits are
disconnected from the power supply.
When cleaning do not use any sharp or hard objects so as to pre-
vent any damage to the evaporator and the condensate pan.
Extreme weather conditions (e.g. heavy snow) may in some
cases result in ice build-up on the inlet and outlet grilles. To as-
sure a minimum air flow rate, clear the inlet and discharge areas
of snow and ice, if needed.
E-8
10 Malfunctions /
Troubleshooting
This heat pump is a quality product and is designed for trouble-
free and maintenance-free operation. In the event that a malfunc-
tion occurs nevertheless, you will be able to correct the problem
easily yourself in the majority of cases.
Heat pump does not run!
Please check that:
there is no problem with the power supply (blown fuse,
power failure).
the power switch on the remote control is switched on and
the correct operating mode is selected, as well as that the
correct setpoint temperature is set.
The preset temperature level cannot be reached!
Please check whether
the permissible operating conditions of the heat pump are
complied with (air temperatures too high or too low).
the air inlet or outlet areas are neither covered, obstructed
nor severely contaminated.
valves or stop-cocks in the water lines (heating lines) are
closed.
the water temperature in the buffer tank is sufficiently high.
If you cannot eliminate the malfunction yourself, please contact
your customer service in charge.
ATTENTION!
Work on the heat pump may be done only by an authorized and qualified
customer service.
11 Decommissioning /
Disposal
11.1 End-of-Life Decommissioning /
Disposal
Before removing the heat pump, disconnect the appliance from
the power supply and close all valves. Environment-relevant re-
quirements regarding the recovery, recycling and disposal of
service fuels and components in accordance with all relevant
standards must be adhered to. In this context, particular attention
must be paid to the proper disposal of refrigerants and refrigera-
tion oils.
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