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Technical description
3.2
Functional description
The "Regumaq X-25" is an electronically controlled
product assembly complete with heat exchanger for
potable water heating according to the continuous fl ow
principle. Potable water is only heated up when it is
needed. This station dispenses with the need to store
hot potable water in a storage cylinder. The station
facilitates a demand-based heat supply – even when
potable water consumption is very low.
The integrated heat exchanger provides a system sepa-
ration between the potable water circuit and the storage
cylinder circuit.
At a fi xed potable water temperature of 60 °C and a
storage cylinder temperature of 75 °C, the hot potable
water discharge capacity can vary between
1 and 25 l/min. This is provided by means of the con-
1
System diagram with one "Regumaq X-25" fresh water station
Illust. 2:
12
2
troller regulating the circulation pump to a (variable)
speed in order to feed heating water from the con-
nected buffer storage cylinder to the heat exchanger
as needed. The controller calculates the pump speed
necessary to achieve the desired potable water temper-
ature on the basis of the actual values for the volume
fl ow and the temperature (of the potable water) record-
ed by the sensors.
Example:
A simultaneous draw-off at several delivery points and
the associated higher consumption of hot potable water
directly triggers a higher pump speed to feed more
heating water into the heat exchanger. This transfers
more heat to the potable water circuit accordingly.
3.3
System diagram
3
4
"Regumaq X-25"
5
138112581-V01.10.2019
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