Immergas Victrix 20 - Plumbing Diagram Victrix 27

3.4 Plumbing diagram - Victrix 27.
Key:
1 - Minimum ow valve
2 - Flow limiter
3 - 3-way hydraulic valve
4 - Condensate trap
5 - Gas valve
6 - Domestic water heat exchanger
7 - Gas valve outlet pressure point (P3)
8 - Domestic hot water adjustment NTC sensor
9 - Venturi positive signal (P1)
10 - Air fan
11 - Venturi negative signal (P2)
12 - Gas nozzle
13 - Air/gas Venturi manifold
14 - Igniter sensor
15 - Burner
16 - Condensing module cover
17 - Condensing module
18 - Fume extractor hood
19 - Air analyzer chamber
20 - p gas pressure point
21 - Fume analyzer chamber
22 - NTC limit and heating control sensor
23 - Overtemperature safety thermostat
24 - Automatic air valve
25 - Igniters
26 - Expansion tank
27 - Air intake pipe
28 - Aqua Celeris
29 - Circulating pump
30 - Aqua Celeris resistance (PTC)
31 - Circulating pump pressure switch microswitch
32 - One-way valve
33 - Circulating pump pressure switch
34 - 3 bar safety valve
35 - Adjustable by-pass
36 - Domestic circuit ow switch microswitch
37 - Filler cock
G - Gas supply
S - Condensate drain
U - Domestic hot water outlet
E - Domestic water inlet
R - System return
M - System delivery
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