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

1
13
6
14
9
17
23
20
15
24
22
25
27
26
27
36
28
1 Primary heat exchanger
2 CH flow temperature sensor
3 Safety thermostat
4 Fan
5 Gas valve
6 CH return temperature sensor
7 Condensate drain siphon
8 Sealed chamber
9 Drain
10 Bleed manifold
11 Automatic vent valve
12 Manual bleed valve
13 CH circuit expansion vessel (12
litres)
2 3
37
7
8
16 18
22
21
19
9
29
35
14 CH/storage cylinder pump
15 CH circuit drain cock
16 Deviator group
17 Deviator valve
18 Water pressure switch
19 Deviator group drain cock
20 Deviator group safety valve (3 bar)
21 Automatic bypass
22 Non-return valve
23 Solar circuit expansion vessel (18 litres)
24 Solar circuit pressure gauge
25 Solar circuit pump
26 Flow regulator
27 Solar circuit filling and drain cocks
10
11
12
4
9
5
9
33
31
30
28 Storage cylinder drain cock
29 200 litre storage cylinder
30 DHW circuit expansion vessel (8
31 DHW thermostatic mixer valve
32 DHW circuit safety valve (8 bar)
33 CH circuit fill cock
34 Solar circuit safety valve (6 bar)
35 Magnesium anode
36 Storage cylinder flange
37 Gas diaphragm

WATER CIRCUIT

GAS
CH flow
CH flow
34
Solar circuit outlet
Solar circuit outlet
32
DHW outlet
Cold water inlet
litres)
GENERAL
11