Worcester CDi Combi N.G Service Booklet page 5

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55
54
53
52
61
Fig. 2 This diagram shows the compact hydraulics and controls with the mantel and fascia panel removed
6 Plate to plate DHW heat exchanger
9 Drain point
32 Pump, modulating
36 Flow turbine
37 Unused port
38 Return connection to boiler heat exchanger
39 Auto air vent
40 Flow connection from boiler heat exchanger
41 DHW sensor
42 CH flow connection to isolation valve
43 DHW out connection
44 Cold water in connection
45 CH return connection to isolation valve
46 Diverter valve housing
47 Pressure relief valve
8 716 115 748 (2009/09)
Supplied By www.heating spares.co Tel. 0161 620 6677
48
43
42
49
50
51
40
6
39
38
9
45
44
60
59
58
57
56
8 716 115 748 - 01.1Wo
48 Compact hydraulic mounting screw (2) to boiler
49 CH temperature control
50 Mains on/off indicator/diagnostic light (blue)
51 DHW temperature control
52 Central heating boost button
53 Service button
54 Burner on indicator light (green)
55 Master switch on/off
56 Holiday button
57 ECO button
58 Fault reset button
59 Display
60 System pressure gauge
61 Position for optional programmer
LAYOUT OF BOILER
37
36
32
48
47
46
5