Worcester Greenstar i System ErP Series Installation, Commissioning And Servicing Instructions page 13

1 Main superstructure
2 Hanging bracket
3 Removable panel - for servicing
4 Ignition transformer
5 Wall mounting frame
6 Pressure relief valve connector
7 CH return isolating valve
8 Gas isolating valve
9 CH flow isolating valve
10 Condensate drain locator
11 Electrode assembly
12 Overheat thermostat
13 Heat exchanger
14 Fan
15 Fan pressure test point
16 Gas valve
17 Pressure relief valve
18 CH settings increase button
19 ECO/OK button
20 Info/Return/menu button
21 Appliance display
22 Reset/Service engineer button
Table 8 Key to appliance components
Appliance features
• Aluminium-silicon heat exchanger, which has an extra-large surface area for enhanced heat exchanger efficiency.
• Low NOx emissions
• Fixed gas valve settings
• Direct burner ignition
• Zero pressure governor gas valve with fully modulating fan
• Display for appliance 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
• Eco mode, to use gas on demand
• Ability to pre-plumb condensate drain, CH flow, Gas, PRV and CH Return connections
• Large capacity siphonic condensate trap
• Galvanised steel wall mounting frame
• Standard wall frame provides vertical pipe route behind the appliance
• 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
• Front accessible components for service.
Greenstar i System - 6 720 806 945 (2015/07)
ErP
23 DHW settings increase button/Increase button (menu edit mode)*
24 DHW settings decrease button/Decrease button (menu edit
mode)*
25 CH settings decrease button
26 Front panel
27 Control panel flap
28 Operation/fault indicator light (blue)
29 Control panel
30 Appliance identification label
31 Pressure gauge
32 Drain point
33 Blank for optional programmer
34 Circulating pump
35 Diverter valve actuator blank
36 Condensate siphon
37 Pressure gauge connection point
38 Automatic air vent
39 Flue overheat thermostat
40 Combustion air inlet
41 Flow temperature sensor (NTC)
42 Expansion vessel
43 Bottom panel (location for optional filling link key)
44 Expansion vessel supports (upper and lower combustion
chamber)
Appliance information
13