Riello 7200 Kombi Plus, Installation, Operation And Maintenance Manual

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10
gENERAL
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EXAMPLE 2: Water circuit with conventional boiler
1 Pressure reducer-stabiliser
2 Ball valve with sampling cock
3 Sand filter
4 Water softener
5 Bypass pipe (normally closed)
6 Polyphosphate dosing unit
(DHW)
7 Sanitary water meter
8 Non-return valve
9 Mains water inlet
10 Filter and valve drain
11 Resin wash drain
12 Overflow drain
13 Filter and valve drain
14 Manual bleed valve
15 Solar collector
16 Solar circuit disconnect valve
17 Safety tank
18 Solar module with solar
controller
19 7200 Kombi Plus
20 Solar circuit expansion vessel
21 DHW user
22 Isolating valve
23 Thermostatic mixer valve
24 Safety valve
25 Bleed valve
26 DHW circuit expansion vessel
27 Filter
28 System cocks
29 Boiler with built-in pump
30 Distribution manifold
31 MIX module
32 Thermostatic valve
33 Detent
34 Distribution manifold
35 Condensate outlet
36 Air inlet
37 Exhaust flue duct
38
gas supply connection
39 DHW circulation module
40 Motorised diverter valve
(stratification control)
M
ix
1/ 2"
1/ 2"
1/
2"
1/2"
1/
2"
1/
2"
1/
2"
1/
2"
1/2"
1/2"
1"
1"
1/
2"
1/2 "
1/2 "
1/2 "
1/2 "
1/2 "
1/
2"
1/
2"
1/2"
1/2"
1/
2"
AB
A B
1/2"
1/
2"
28
35
38
14
16
17
18
19
20
15
15
15
27
29
30
32
33
22
25
26
31
31
22
25
22
40
26
23
22
22
22
24
24
25
25
21
21
25
22
22
22 22 22 22
39
8
8
36
37
34
34
0
20
40 60
80 10 0
120 °C
FER
T
0
8 10
2
4 6
°C
12 0 100 80
60 40 20 0
+
+ -
-
+
+ -
-
0
20 40
60 80 100 120 °C
FER
T
0
8 10
2 4 6
°C
12 0 100 80
60 40 20 0
+
+ -
-
+
+ -
-
1
2
3
4
2
5
6
7
8
8
9
10
11
12
13
0 10
20 30 40
50
60
70
80 90 100 110
0
10 20 30 40 50
60
70
80 90 100 110