eta PelletsCompact PC33, Installation Manual

Page: 35 / 76

Buffer storage tank Parallel buffer connection
35
With fresh water module and stratified charging module
1 Boiler, heating circuits, oil/gas boiler flow
2 Oil/gas boiler return
3 Boiler, high-temperature circuit return
4 Low-temperature circuits return
5 Fresh water module flow
6 Temperature sensor [Sensor 1 (upper)]
7 Temperature sensor [Sensor 2]
8 Solar flow, top
9 Temperature sensor [Sensor 3]
10 Solar flow, lower
11 Temperature sensor [Sensor 4]
12 Fresh water module return, solar
For a sufficient hot water reserve, the release temperatures of the heating circuits must be over 45 °C.