Worcester Greenstar CDi Compact Installation, Commissioning And Servicing Instructions page 7

1 Wall mounting frame
2 Expansion vessel
3 CH return isolating valve
4 DCW mains isolating valve
5 Gas isolating valve
6 DHW outlet connection
7 CH flow isolating valve
8 Condensate drain connection
9 Flue connector
10 Flue overheat thermostat
11 Main superstructure
12 Case
13 Case retaining screws
14 Bottom panel
15 Case retaining clips
16 Control panel
17 Control panel menu buttons
18 Blank for optional programmer
19 Diagnostic port - Worcester service engineer
20 Pressure gauge
21 DHW temperature control
22 Boiler identification label
23 Operation/fault indicator (blue)
24 Control panel flap
25 Boiler fascia guide location
26 CH temperature control
27 Boiler display
28 Fan
Table 4 Boiler components
BOILER FEATURES
• High pressure die-cast aluminium heat exchanger
• Low NOx emissions
• Fixed gas valve settings
• Direct burner ignition
• Zero pressure governor gas valve with fully modulating fan
• Display for boiler status and access to diagnostics, system and
commissioning parameters
• Digital control system
• Memory retention after power interruption
• Low electrical power consumption during operation and stand-by
modes
• Modulating pump
• Condensing in CH and DHW modes
• Three star Hot Water Comfort measured to EN13203 Part 1 in
comfort mode with DHW pre-heat ON
• Eco mode, to use gas on demand
• Plate type DHW heat exchanger
• Ability to pre-plumb condensate drain, CH flow, DHW Outlet, Gas,
DCW In, PRV and CH Return connections
• Syphonic condensate trap
• Galvanised steel wall mounting frame
• Standard wall frame provides vertical pipe route behind the boiler
• Compatible with all Worcester standard and intelligent controls
• Condensfit II flue systems 60/100 and 80/125 mm allows plume
re-direction as standard and ability to attach plume management kits
6 720 803 800 (2012/11)
29 Flow temperature sensor (NTC)
30 Electrode assembly
31 Maximum safety sensor (NTC)
32 Auto air vent
33 Aluminium Silicon Heat exchanger
34 Flueway
35 Sump assembly
36 Pressure gauge connection point
37 Diverter valve actuator (stepper motor)
38 Diverter valve body
39 Modulating pump
40 Drain point
41 CH return connection to isolating valve
42 PRV
43 DCW in connection to isolating valve
44 PRV Connection pipe
45 Gas pipe from isolating valve
46 DHW outlet pipe
47 DHW temperature sensor (NTC)
48 CH flow pipe to isolating valve
49 Condensate siphon drain pipe
50 Condensate siphon
51 DHW Plate heat exchanger
52 Expansion vessel connection
53 Return temperature (NTC)
54 Gas valve
55 Combustion air inlet
56 Ignition transformer
APPLIANCE INFORMATION
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