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This means that in the winter, flow rate will be
less than in the summer to achieve the same
outlet temperature.
In summer the 'II' (2 bars) power setting may
give adequate hot water.
Effect of Other Water Devices on Incoming
Water Supply
Your shower is designed to stabilize
temperature changes caused by water pressure
fluctuations.
These can result from toilets being flushed or
taps being turned on and off.
When this happens your showering temperature
will be held within a controlled band, provided
that the minimum pressure required by the
shower is maintained.
Your shower requires a minimum running
pressure of 100kPa (1.0 bar, 15 psi) at a
minimum flow rate of 8 litres/minute.
(9 litres/minute for 9.5kW).
At pressures above 100kPa (1.0 bar, 15 psi) at a
minimum flow rate of 8 litres/minute.
(9 litres/minute for 9.5kW), it will minimise
temperature fluctuations as detailed above.
If the water pressure falls below 100kPa
(1.0 bar, 15 psi) at a minimum flow rate of
8 litres/minute, (9 litres/minute for 9.5kW),
it is likely that the pressure switch will turn off the
power to the heating elements, resulting in a cold
shower.
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