Immergas HERCULES Condensing 26 2 E Manual page 7

Technical Documentation
HERCULES Condensing ABT main components.
Key:
1 - Stainless steel storage tank unit
2 - DHW recirculation pump (optional)
3 - Three-way valve (motorised)
4 - High temp. zone automatic by-pass
5 - High temp. zone one-way valve
6 - High temperature zone system pump
7 - Low temperature safety thermostat
8 - Low temp. flow probe
9 - Low temperature zone system pump
10 - Low temp. zone one-way valve
11 - Low temp. zone automatic by-pass
12 - Mixing valve
13 - Condensation module
14 - Flue safety thermostat
15 - Burner
16 - Ignition electrode
17 - Detection electrode
18 - Venturi
19 - Gas nozzle
20 - Fan
21 - Cold water inlet valve
22 - 8 bar safety valve
23 - Air intake pipe
STHCkW ed 04/09
Technical Documentation
24 - 3 bar safety valve
25 - D.H.W. expansion vessel
26 - System filling valve
27 - Condensate drain trap
28 - Polyphosphate dispenser (optional)
29 - Domestic hot water probe
30 - Storage tank unit draining valve
31 - Sample points (air A) - (flue gas F)
32 - Positive signal pressure point
33 - Negative signal pressure point
34 - Manual air vent valve
35 - Vent valve
36 - Zones management electrical connection box
37 - Hydraulic manifold
38 - System expansion vessel
39 - Flow probe
40 - Safety thermostat
41 - Manifold draining valve
42 - System pressure switch (absolute)
43 - Boiler Pump
44 - Sealed Chamber
45 - Gas valve
46 - System draining valve
5
HERCULES Condensing Export