14
GENERAL
GENERAL
Water circuit with conventional boiler and biomass fuelled 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 con-
troller
19
KOMBISOLAR 3S (750-1000)
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
Non-return valve
31
Pump
32
CH expansion vessel
33
Laddomat 21
34
Thermal drain valve
35
Biomass fuelled boiler
36
Distribution manifold
37
MIX module
38
Thermostatic valve
39
Detent
40
Distribution manifold
41
Valve drain
42
Condensate outlet
43
Air inlet
44
Exhaust flue duct
45
Gas supply connection
1
2
3
4
2
5
6
7
8
8
9
10
11
12
13
14
15
15
16
17
18
20
45
19
21
22
23
22
22
22
22
22
22
24
24
25
25
25
25
24
22
22
42
32
26
32
27
28
34
41
35
29
43
44
36
37
37
38
40
40
39
30
30
31
33
22
22
15
