Hydraulic Diagram - Immergas VICTRIX MAIOR 28 Instructions And Recommendations

3.4

HYDRAULIC DIAGRAM

Key (Fig. 57):
1 - Cold water inlet valve
2 - Gas isolation valve
3 - Air vent valve drain
4 - Water inlet filter
5 - Gas valve
6 - DHW flow-meter
7 - DHW inlet probe
8 - DHW flow-rate regulator
9 - DHW outlet probe
10 - Condensate drain trap
11 - System filling valve
12 - D.H.W. heat exchanger
13 - System expansion vessel
14 - Air-gas mixer
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15 - Gas diaphragm
16 - Fan
17 - Non-return valve on flue gas
18 - Module flow probe
19 - Double flue probe
20 - Flue sample point (F)
21 - Air sample point (A)
22 - Condensation primary exchanger
23 - Burner
24 - Ignition-detection electrode
25 - Return probe
26 - Air intake pipe
27 - Air vent valve
28 - Appliance pump
29 - Pressure transducer
30 - Motorised 3-way valve
31 - By-pass
32 - System draining valve
33 - 3 bar safety valve
34 - 3 bar safety valve drain fitting sig-
nal
35 - Cyclonic filter assembly intercep-
tion valves
36 - Cyclonic filter unit
G - Gas supply
AC - Domestic hot water outlet
AF - Domestic cold water inlet
SC - Condensate drain
M - System flow
R - System return
57