Sime Format 30 HE Installation And Servicing Instructions page 8

1.4 FUNCTIONAL DIAGRAM
4
5
24
23
25
U
E
1.5 MAIN COMPONENTS
8
29
1
2
6
12
11
9
10
13
8
7 15
18
16
17
27
26
G M
22
21
3
19
14
20
28
S3
R
KEY
1 Fan
2 Air-gas mixer
3 Main exchanger
4 Gas flow rate adjuster (shutter)
5 Gas valve
6 D.H.W. exchanger
7 Divertor valve
8 Water flow switch
9 Thermometer sensor
10 SM sensor (thermister)
11 Aqua Guard Filter System
12 Safety stat 100°
13 Auto air vent
14 Circulating pump
15 Automatic by-pass
16 Temperature/pressure gauge
17 Boiler drain
18 Safety valve
19 Expansion vessel
20 Condensation water trap
21 Upper automatic air vent
22 Limit stat 90°
23 D.H.W. filter
25 D.H.W. inlet cock
26 Gas cock
27 C.H. flow cock
28 C.H. return cock
29 Smoke stat 95°
KEY
1 Control panel
2 Wate flow switch
3 SM sensor (thermister)
4 Gas valve
5 Gas flow rate adjuster (shutter)
6 Gas test point
7 Air test point
8 Fan
9 Main exchanger
10 Smoke stat 95°
11 Upper automatic air vent
12 Limit stat 90°
13 Ignition/ionization electrode
14 Ignition transformer
15 Safety stat 100°
16 Aqua Guard Filter System
17 Automatic air vent
Fig. 2
Fig. 3