Creda 570 Посібник з встановлення та експлуатації - Сторінка 10

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1. Water is heated instantaneously as it
flows over the heating elements in
the copper cylinder.
2. Your shower incorporates a pump
which boosts the incoming water
pressure to a level more suitable for
showering.
The motor is controlled by a switch
connected to knob "B"
3. The heaters are only switched on
when sufficient water is flowing.
This will happen when the motor is
switched on, and is done automatically
with a switch which works on water
pressure.
4. The water is turned on and off by
a tap that is built into the shower.
5. If the water supply falls below a set limit, the pressure
switch will operate and switch off the power to the elements.
6. As a further safeguard, a thermal cut-out switches
the power off if the water temperature climbs above the
set limit and the "overheat" light will illuminate.
This cut-out, which gives an audible click, may also operate
due to residual heat when the shower is switched off.
It will reset itself if water is run through the shower for
10 to 20 seconds, and the "overheat" light will go out.
7. The pressure relief device is to safeguard against
abnormal pressure conditions, and provides a level of
appliance protection should an excessive build of
pressure occur within the shower.
Effect of Seasonal Incoming Water Temperature Changes
The required water temperature is achieved by adjusting the rate of water flow.
Diagram 8 shows the principle involved in relating temperature rise to flow rate.
The higher the water rate the lower the temperature and vice versa.
The temperature of the water supplied from the cold water storage cistern
can vary considerably throughout the year from 5 to 30°C.
This means that in the winter, flow rate will be less than in the summer to
achieve the same outlet temperature.
In summer the "
In some winter conditions, it may be necessary to select the inner or outer spray pattern only of
your shower handset. This will ensure correct operation of the shower with a slightly lower flow rate.

HOW YOUR CREDA SHOWER WORKS

" low power setting may give adequate hot water.
10