Layout Of Boiler; Cdi Combi Boilers - Worcester CDi Combi N.G Service Booklet

LAYOUT OF BOILER

2 LAYOUT OF BOILER
2.1

CDi COMBI BOILERS

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Fig. 1 CDi combi layout
1 Flame viewing window
2 Ignition electrode and flame sense electrode
3 Heat exchanger
4 Overheat thermostat
5 Access point for cleaning heat exchanger
6 Plate to plate DHW heat exchanger
7 Pump
8 System pressure gauge
9 Drain point
10 Mains cold water in
11 CH return
12 Charging link assembly
13 Gas inlet connection 22 mm compression
14 Cover for external wiring connections
15 Control panel in service position
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Supplied By www.heating spares.co Tel. 0161 620 6677
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16 Access cover for transformer & PCB
17 DHW out
18 CH flow
19 Trap / syphon outlet connection (22 mm plastic pipe)
20 Inlet pressure test point
21 Trap / syphon
22 Gas valve
23 DHW temperature sensor
24 Air / gas adjustment screw
25 Testing point for fan pressure
26 Fan
27 Primary sensor
28 Expansion vessel
29 Removable top case panel for servicing
8 716 115 748 (2009/09)