KEY
1 - Heat exchanger
2 - Heat exchanger for D.H.W water
3 - Burner
4 - Sensing electrode
5 - Flue restriction ring
6 - Condensing heat exchanger
8 - Condensing trap
9 - Ignition electrode
10 - Condensate sensor
12 - Modulating gas valve
15 - Heating control potentiometer
16 - Hot water control potentiometer
17 - Water pressure switch
18 - Overheat cut-off thermostat
20 - Gas service cock
21 - Compression ball valves
23 - Safety relief system
24 - Three way valve
25 - Flow regulator
26 - Auto air vent valve
27 - Pressure switch giving priority
28 - Pressure switch
29 - Circulating pump
30 - Water pressure gauge
36 - Fan
37 - Expansion tank
38 - Sealed chamber
5
Summary of Contents for CSI85A
Page 1: ...CSI 85 A T ...
Page 16: ...17 ...
Page 42: ...43 ...
Page 43: ...Is fan Running at Maximum speed 44 ...
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Page 49: ...15 50 ...
Page 52: ...COD 0017LIB06006 0 06 2005 ...