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8.2.3
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Water composition
The water must comply with the regulations for drinking water for human consumption.
Water composition
Water hardness
Conductivity
Acidity (pH value)
Note
Water quality may adversely affect the efficiency, performance and lifetime of the water
heater, refer to Warranty (on page 3). If water specifications differ from the specifications
in the table a water treatment specialist should be consulted.
Working clearances
For optimal performance, free unrestricted airflow must be guaranteed. The distance
between the front of the appliance and a wall or large objects is preferably as large as
possible, but may never be less than 100 cm. Larger distances minimize the risk of
recirculation of the blown-off air over the evaporator of the appliance. Recirculation has a
negative impact on the heat pump performance.
Warning
The installation of ducts is strictly prohibited.
Make sure that there is sufficient clearance to access the water heater:
•
100 cm in front of the water heater (AA).
•
60 cm at the left and right side of the water heater (BB).
•
100 cm at the top of the water heater.
Fig. Working clearances
BB
> 1.00 mmol/l:
•
German hardness > 5.6° dH
•
French hardness > 10.0° fH
•
English hardness > 7.0° e
•
CaCO
> 100 ppm
3
> 125 µS/cm
7.0 - 9.5
Installation, Maintenance and Service part
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