Ravenheat CSI 85 - Manual (Page 5)

5
KEY
1 - Heat exchanger
2 - Sensing electrode
3 - Burner
4 - Expansion tank
5 - Modulating gas valve
6 - Condensing trap
7 - C.H. outlet
8 - Drain point
9 - Safety relief system
10 - D.H.W. outlet
12 - D.H.W. heat exchanger
15 - Diverter valve motor
16 - Water pressure sensor
17 - Circulation pump
18 - Overheat cut off thermostat
20 - Spark electrode
24 - Pressure switch
25 - Auto air vent
26 - Fan
27 - Flue restriction ring
28 - Condensing heat exchanger
29 - Compresson ball valves 30 - Temperature fl ue sensor
31 - Water pressure switch
32 - Water pressure gauge
33 - Automatic by-pass
34 - Gas service cock
Fig. 2