5 x Operation
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FA ROTEX Solaris RPS3 P2 - 06/2012
5.4.4 Tips for optimised user behaviour
The subjective comfort feeling for hot water and user habits are very individual. The higher the nominal storage tank temperature
and the longer the release times for non-solar heating the more the storage tank potential for solar heating is restricted. Conscious
behaviour adjustments to the special features of the hot water storage tank will minimise the energy consumption of non-solar
heating devices.
• Use modern and efficient shower heads with draw-off rates of 5 to 7 l/min.
Î The lower draw-off rate (hot water consumption volume per minute) means a reduced requirement for supplementary
heating and therefore more hot water at a higher temperature.
• Reduce draw-off times.
Î Lower energy consumption.
• When filling the bathtub use only hot water at first.
Î Once the water volume of 25 l in the hot water storage tank has been drawn off, the hot water draw-off temperature
falls slightly and the water is mixed in the bathtub. This makes maximum use of the tank storage capacity with
minimum supplementary heating temperature and there is sufficient hot water available.
5.4.5 Domestic water hygiene
If no hot water is used for several days and the storage temperature of the Solaris system does not reach at least 60 °C, for
hygiene reasons (Legionella protection) it is periodically heated up to above 60 °C once or draw-off of the stored hot water (25 l)
is recommended.
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