Circuit Diagram - Westen Boyler digit 240/40 Fi Manual Del Usuario

32. FUNCTIONAL CIRCUIT DIAGRAM
DHW
outlet
Figure 20
Legend:
1 boiler
2 boiler probe
3 DHW exchanger
4 expansion vessel
5 boiler drain tap
6 NTC heating probe
7 safety thermostat
8 ignition electrode
9 water-fumes exchanger
10 fumes hood
11 fumes thermostat
12 flame detection electrode
13 gas train with injectors
14 safety valve on heating circuit 3 bar
15 differential hydraulic pressure switch
16 automatic vent valve
INSTRUCTIONS FOR FITTERS
240/40 i - 240/60 i - 280/60 i
DHW
inlet
CH
return
17 pump with air separator
18 gas valve
19 heating return filter
20 automatic by-pass
21 gas tap
22 pressure gauge
23 burner
24 three-way valve
25 three-way valve motor
26 boiler filling tap
27 safety valve on DHW circuit 8 bar
28 boiler discharge tap
29 flow adjuster
30 water supply tap
56
CH gas
delivery
926.008.2 - EN