Immergas 3.028358, Instructions And Recommendations

Page: 39 / 80

39
INS
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1.32 MAIN COMPONENTS
37
Key (Fig. 37):
1 - System filling cock
2 - 3-way valve (motorised)
3 - D.H.W. heat exchanger
4 - D.H.W. probe
5 - Gas valve
6 - Condensate drain trap
7 - D.H.W. flow switch
8 - Manual air vent valve
9 - Flow probe
10 - Air / gas mixer
11 - System expansion vessel
12 - Burner
13 - Sample points (air A) - (flue gases F)
14 - Flue probe
15 - Air intake pipe
16 - Ignition/detection electrode
17 - Condensation module
18 - Fan
19 - System pressure switch
20 - Return probe
21 - Boiler circulating pump
22 - 3 bar safety valve
23 - By-pass
24 - System draining cock