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4.4 Example of an installation
The example of an installation shown below does not cover every
possible configuration. Its sole aim is to draw your attention to the
basic rules to be respected.
13
18
1 Heating outlet
2 Heating return
3 3-bar safety valve + Pressure gauge
5 Flow switch
6 Air separator
7 Automatic air vent
9 Isolating valve
10 3-way mixing valve
11 Boiler pump
12 Sludge decanting pot (particularly recommended on older installations)
13 Flush valve
14 Water low safety pressure-sensitive switch
15 Shunt pump
15a DHW pump - Condenser
16 Expansion vessel
17 Drain cock
18 Heating circuit filling (with disconnector depending on prevailing
regulations)
19 Water treatment
20 Water meter
26 DHW load pump
27 one-way valve
28 Domestic cold water inlet
07/04/2009 - 300016152-001-C
GTU C 330 boiler with domestic hot water production using an independent tank
3
7
5
6
9
9
15
9
9
16
17
19
20 9
9
10
9
9
9
15a
9
9
57
9
56
7 9
27
26
31
17
30
29 Pressure reducer (if mains pressure 5.5 bar)
30 Sealed safety unit calibrated to 7 bar with indicator type discharge
31 Independent domestic hot water tanks
32 Domestic hot water loop pump (optional)
56 Domestic hot water circulation loop return
57 Domestic hot water outlet
GTU C 330
1
14
11
27
12
2
9
17
32
27
9
29
9
28
C001968
21
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