If the collector temperature exceeds the temperature set here, the solar pump is off.
Min. collector temp.10 ... 20 ... 80°CIf the collector temperature falls below the temperature set here, the solar pump is off, even if all conditions for
switching on have been met.
Vac. tube pump anti-seizeYesThe solar pump is switched on briefly every 15 minutes between 6:00 and 22:00 in order to pump the heated heat
transfer medium to the temperature sensor.
NoVacuum tube collector pump anti-seize function switched off.
Vac. tube pump anti-seize 2YesThe solar pump 2 is switched on briefly every 15 minutes between 6:00 and 22:00 in order to pump the heated
heat transfer medium to the temperature sensor.
No
2nd vacuum tube collector pump anti-seize function switched off.
Southern Europe functionYesFrost Protection - if the collector temperature falls below the set value (Start temp. S.Eur. fct.), the solar pump is
on. This pumps hot water from the cylinder through the collector. If the collector temperature exceeds the set
temperature by 2 K, the pump is off.
This function is intended solely for regions where the high temperatures mean that damage from freezing usually
cannot occur.
Caution! This function is not a substitute for glycol within the solar circuit!
No
Mediterranean climate function switched off.
Start temp. S.Eur. fct.4 ... 5 ... 8 °CIf the collector temperature falls below the value set here, the solar pump is on.
Collector cooling functionYesCollector array 1 is actively cooled via the connected emergency cooler when 100 °C is exceeded
(= Max. collector temp.– 20 °C).
No
Collector cooling function switched off.
Menu itemAdjustment rangeFunction description
Table 17
WARNING: Risk of scalding!
▶If DHW temperatures above 60 °C are set or thermal
disinfection is switched on, a mixing valve must be
installed.
Menu itemAdjustment rangeFunction description
Max. temp. cyl. 1Off1st cylinder is not heated.
20 ... 60 ... 90 °C
If the temperature set here is exceeded in cylinder 1, the solar pump is off.
Max. temp. cyl. 2Off2nd cylinder is not heated.
20 ... 60 ... 90 °C
If the temperature set here is exceeded in cylinder 2, the solar pump is off or the valve is closed (depending on which
function is selected).
Max. pool temp.OffThe swimming pool is not heated.
20 ... 25 ... 90 °C
If the temperature set here is exceeded, the solar pump is off or the valve is closed (depending on which function is
selected).
Max. temp. cyl. 3Off3rd cylinder is not heated.
20 ... 60 ... 90 °C
If the temperature set here is exceeded in cylinder 3, the solar pump is off, the pump is off or the valve is closed
(depending on which function is selected).
Priority cylinderCylinder 1The cylinder set here is the high priority cylinder; function Cylinder 2 with valve (B), Cylinder 2 with pump (C) and
Cylinder 3 with valve (N). The cylinders are heated in the following order:
Priority cylinder 1: 1– 2 or 1– 2– 3
Priority cylinder 2: 2– 1 or 2– 1– 3
Priority cylinder 3: 3– 1– 2
Cylinder 2
(swimming pool)
Cylinder 3
(swimming pool)
Test interval priority cyl.15 ... 30
... 120 min
If the low priority cylinder is currently being heated, the solar pumps are switched off at the regular intervals specified
here.
Test duration priority cyl.5 ... 10 ... 30 minWhile the solar pumps are switched off (Test interval priority cyl.), the temperature in the collector increases and
the required temperature differential for heating the high priority cylinder may be reached during this period.
Runtime valve cyl. 210 ... 120 ... 600 sThe elapsed time set here determines how long it takes the 3-way valve to switch from cylinder1 to cylinder 2, or vice
versa.
Start diff. heat ex.6 ... 20 KIf the differential set here between the cylinder temperature and the temperature at the heat exchanger is exceeded
and all conditions for switching on have been met, the cylinder primary pump is on.
Stop diff. heat ex.3 ... 17 KIf the differential between the cylinder temperature and the temperature at the heat exchanger falls below the value
set here, the cylinder primary pump is off.
Frost prot. temp. heat ex.3 ... 5 ... 20 °CIf the temperature at the external heat exchanger falls below the temperature set here, the cylinder primary pump is
on. This protects the heat exchanger from damage from freezing.
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