Main Diagram - Biasi Inovia 25S ERP User Manual And Installation Instructions

4.2

Main diagram

23
25
38
Fig. 4.2
3 C.H. flow valve
4 Gas inlet valve
5 C.H. return valve
7 Condensate drain pipe
8 Main circuit drain valve
9 C.H. pressure relief valve pipe
20 Condensing heat exchanger air purger
valve
21 Flue temperature probe NTC
22 C.H. temperature probe NTC (delivery)
TECHNICAL INFORMATION
43
44
26
39
36
31
40
32
35
7
4
42
41
21
24
22
20
29
30
34
28
8
5
23 Condensing heat exchanger
24 Safety thermostat
25 Flame-detecting electrode
26 Safety thermal fuse
27 Air manifold
28 C.H. pressure relief valve
29 Automatic airpurger valve
30 Pump
31 Gas valve
32 Gas valve inlet test point
45
3
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