Technical data
Manual - Solar hot water systems30
5.2 Functional diagram
6
7
9
2
C
D
4
11
3
10
1
BA
5
M
DHW
M
8
Fig. 5.9 Functional diagram
Key
1 Boiler
2 auroSTOR solar cylinder
3 230 V∼ motorised 2 port valve (supplied with the solar cylinder)
4 Immersion heater
5 230 V∼ motorised 2 port valve (supplied with the boiler)
6 auroTHERM collector
7 Solar pump unit
8 Protection vessel (optional)
9 Solar expansion vessel
10 Automatic air separator system
11
Hot water expansion vessel
A Boiler flow
B Boiler return
C Solar circuit flow
D Solar circuit return
5 Installation