Advice for the user
“Regumaq X-25”
46
138112581-V01.10.2019
10.1.8
Replacement of the potable water fi lter
insert
As part of the maintenance process, also take account
of the potable water fi lter installed in the cold water
supply for the station.
f
Replace the fi lter insert with a new one every year
(item no. 6125101).
11. Advice for the user
Contact a sanitary, heating and air-con-
ditioning specialist for instruction on how
to use the station safely and correctly and
how to carry out the necessary mainte-
nance work!
f
Carry out a visual inspection at least once a month.
Be sure to check whether any fl uid is leaking. Notify
the relevant installation company in the event of any
water leakages.
f
Once every six months, activate the safety valve in
the station (see position 10 in Illust. 1 on page 10).
This involves rotating
the plastic cap of the valve
anticlockwise until it audibly clicks.
General notes on setting the potable
water temperature
A potable water temperature of 60 °C is preset
by default in the controller. You do however
have the option of increasing the potable water
temperature at the draw-off points using the
controller. As this temperature is recorded via a
sensor at the hot water outlet for the heat ex-
changer, this is incongruous with the hot water
temperatures recorded at the draw-off points.
If you would like to increase the water tempera-
ture at the draw-off points, you can increase
the nominal potable water temperature using
the “+” button (in intervals of 5 °C, for exam-
ple).
An increase of the hot water temperature
always means an increase of the energy
consumption and a reduction of the hot water
temperature always means a reduction of the
energy consumption.
CAUTION
Risk of scalding due to excessively hot po-
table water at the draw-off points!
A controller setting or defect may cause the hot
water temperature at the draw-off points to rise
to roughly the same temperature as the storage
cylinder water.
f
According to DIN EN 806 and DIN 1988, all
draw-off points must be provided with pro-
tection against scalding if there is a risk of
scalding due to high heating water tempera-
tures in the buffer storage cylinder.
f
If you do not apply scalding protection to
all draw-off points, reduce the temperature
of the storage cylinder circuit so far that the
temperature in the storage cylinder – and
therefore the potable water temperature –
cannot pose any risk of scalding.
Legionella prevention
Legionella multiply rapidly if the hot water tem-
perature is constantly too low or if no water is
drawn off over a longer period (>72 h).
f
Draw off water at regular intervals so that
a regular exchange of the potable water is
guaranteed and longer stagnation periods
are avoided.
f
If no potable water has been drawn off for
more then 72 h, draw off water at all draw-
off points for a short time to exchange the
water in the pipework.
f
The hot water temperature must not drop
below 60 °C when using a circulation pipe.
