APPLIANCE INFORMATION
CDi Compact
ErP
- 6 720 813 276 (2015/07)8
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
• Siphonic 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 80/125mm allows plume
re-direction as standard and ability to attach plume management kits
1 Wall mounting frame 30 Flow temperature sensor (NTC)
2 Expansion vessel 31 Electrode assembly
3 CH return isolating valve 32 Maximum safety sensor (NTC)
4 DCW mains isolating valve 33 Auto air vent
5 Gas isolating valve 34 Aluminium Silicon Heat exchanger
6 DHW outlet connection 35 Flueway
7 CH flow isolating valve 36 Sump assembly
8 Condensate drain connection 37 Pressure gauge connection point
9 Flue connector 38 Diverter valve actuator (stepper motor)
10 Air Pressure Switch 39 Diverter valve body
11 Main superstructure 40 Modulating pump
12 Case 41 Drain point
13 Case retaining screws 42 CH return connection to isolating valve
14 Bottom panel 43 PRV
15 Flue Overheat Thermostat 44 DCW in connection to isolating valve
16 Case retaining clips 45 PRV Connection pipe
17 Control panel 46 Gas pipe from isolating valve
18 Control panel menu buttons 47 DHW outlet pipe
19 Blank for optional programmer 48 DHW temperature sensor (NTC)
20 Diagnostic port - Worcester service engineer 49 CH flow pipe to isolating valve
21 Pressure gauge 50 Condensate siphon drain pipe
22 DHW temperature control 51 Condensate siphon
23 Boiler identification label 52 DHW Plate heat exchanger
24 Operation/fault indicator (blue) 53 Expansion vessel connection
25 Control panel flap 54 Return temperature (NTC)
26 Boiler fascia guide location 55 Gas valve
27 CH temperature control 56 Combustion air inlet
28 Boiler display 57 Ignition transformer
29 Fan
Table 4 Boiler components
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