7 Operating and display functions
20 Installation instructions 0020237057_01
7.9.14 Activating parallel cylinder charging
(domestic hot water cylinder and mixing
circuit)
Menu → Installer level → System configuration [DHW cir-
cuit ----] → Parallel cyl. charging
– You can use this function to define, for the connected
mixing circuit, that the mixing circuit should continue to
be heated during charging of the domestic hot water cyl-
inder.
If the Parallel cyl. charging function is activated, the mix-
ing circuits continue to be supplied while the cylinder is be-
ing charged. Provided there is a heat demand in the mixing
circuit, the system control does not deactivate the heating
pump in the mixing circuit. The non-mixed heating circuit is
always switched off during cylinder charging.
7.10 Buffer cylinder
7.10.1 Reading the top cylinder temperature in the
buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → Cyl. temp.: top
– You can use this function to read the current temperature
in the upper section of the buffer cylinder.
7.10.2 Reading the bottom cylinder temperature in
the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → Cyl. temp.: Bottom
– You can use this function to read the current temperature
in the lower section of the buffer cylinder.
7.10.3 Reading the top cylinder temperature for
hot water in the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → DHW temp. sensor, top
– You can use this function to read the current temperat-
ure in the upper section of the buffer cylinder's hot water
component.
7.10.4 Reading the bottom cylinder temperature
for hot water in the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → DHW tmp. sensor, bot.
– You can use this function to read the current temperat-
ure in the lower section of the buffer cylinder's hot water
component.
7.10.5 Reading the top cylinder temperature for
heating in the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → Heat. temp. sens., top
– You can use this function to read the current temperature
in the upper section of the buffer cylinder's heating com-
ponent.
7.10.6 Reading the bottom cylinder temperature
for heating in the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → Heat. temp. sens., bot.
– You can use this function to read the current temperature
in the lower section of the buffer cylinder's heating com-
ponent.
7.10.7 Setting the max. target flow temperature in
the buffer cylinder
Menu → Installer level → System configuration [Buffer
cylinder ----] → Max.DHW fl.targ.temp.
– You can use this function to set the buffer cylinder's max-
imum target flow temperature for the domestic hot water
station. The max. target flow temperature that is to be
set must be lower than the max. flow temperature for the
heat generator. While the cylinder's set target temperat-
ure is not reached, the system control does not allow the
heat generator to go into heating mode.
You can find the maximum target flow temperature that the
heat generator can achieve in the installation instructions for
the heat generator.
If the max. target flow temperature that is set is too low, the
domestic hot water station cannot provide the required target
temperature for the cylinder.
7.11 Solar circuit
7.11.1 Reading the collector temperature
Menu → Installer level → System configuration → [Solar
circuit ----] → Collector temp.
– You can use this function to read the current temperature
on the collector temperature sensor.
7.11.2 Reading the status of the solar pump
Menu → Installer level → System configuration → [Solar
circuit ----] → Solar pump status
– You can use this function to read the current status of the
solar pump (On, off).
7.11.3 Reading the running time of the solar pump
Menu → Installer level → System configuration → [Solar
circuit ----] → Solar pump runtime
– This function allows you to read the measured operating
hours of the solar pump since start-up or since the last
reset.
7.11.4 Resetting the solar pump running time
Menu → Installer level → System configuration → [Solar
circuit ----] → Reset runtime
– You can use this function to reset the total operating
hours of the solar pump to zero.
7.11.5 Reading the value of the solar yield sensor
Menu → Installer level → System configuration → [Solar
circuit ----] → Solar yield sensor
– You can use this function to read the current value for the
solar yield sensor.
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