Water Circuit - Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual

GENERAL

1 . 9 Water circuit

24 24
25
1 Non-return valve
2 Safety valve (3 bar)
3 Manual bleed valve
4 Automatic vent valve
5 Central heating pump
6 Distribution manifold
7 Burner
8 Boiler body
9 Condensate drain siphon
10 CH drain cock
11 Storage cylinder pump
12 Pressure gauge (6 bar)
13 CH system fill cock
14 Expansion vessel (12 litres)
15 Storage cylinder
16 Solar heating system pump
17 Flow meter
18 Pressure gauge (8 bar)
19 Safety valve (6 bar)
9
If manifolds incorporating solenoid valves or shut-off valves are used, these should also be equipped with a
hydraulic detent system.
9
The hydraulic detent device chosen must be suitable for the maximum pump head for that zone.
RI
MI
24
G
8
9
ACS
21
RC
IAF
RS
MS
2
1
3
7
6
13
23
15
22
20
20 Storage cylinder drain cock
21 DHW circuit safety valve (8 bar)
22 Expansion vessel (8 litres)
23 Thermostatic valve
24 Solenoid valves or shut-off valves
25 Bypass detent
RI CH return
MI CH flow
G Gas supply
ACS Domestic hot water outlet
RC DHW recirculation fitting
IAF Domestic cold water inlet
RS Solar collector return
MS Solar collector outlet
12
4
10
11
1
12
16 17
1
14
18
19