7
Description of controller
2
2
2.5 Hydraulic variants
The following illustrations should be viewed only as schematic dia-
grams showing the respective hydraulic systems, and do not claim
to be complete. The controller does not replace safety devices
under any circumstances. Depending on the speci
fi
c application, additio-
nal system components and safety components may be mandatory, such
as check valves, non-return valves, safety temperature limiters, scalding
protectors, etc., and must therefore be provided.
Caution
4
2
3
Hydraulic variant / program 1
Heat pump with heating circuit
1
5
Hydraulic variant / program 2
Heat pump with buffer storage tank
and heating circuit
Hydraulic variant / program 3
Heat pump with domestic hot water
storage tank and heating circuit
Hydraulic variant / program 4
Heat pump with domestic hot water-
storage, buffer and heating circuit.
(domestic hot water charging via
change-over valve)
Hydraulic variant / program 5
Heat pump with domestic hot water-
storage, buffer and heating circuit.
(domestic hot water charging via
charging pump)