Main Diagram - Biasi Advance Plus 25C ERP User Manual And Installation Instructions

4.2

Main diagram

49
50
20
22
24
40
29
30
34
9
Fig. 4.2
4 C.h. flow valve
5 D.h.w. outlet valve
6 Gas inlet valve
7 D.c.w. inlet valve
8 C.h. return valve
9 Condensate drain pipe
10 Main circuit drain valve
18 Condensing heat exchanger air purger
valve
TECHNICAL INFORMATION
48
19
23
41
38
27
44
26
10
6
47
21
18
51
28
33
36
8
19 Flue temperature probe NTC
20 Safety thermal fuse
21 C.h. temperature probe NTC
22 Condensing heat exchanger
23 Safety thermostat
24 Flame-detecting electrode
25 Air manifold
26 C.h. pressure relief valve
27 Automatic air purger valve
35
43
46
37
42
4 7
31
5
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