Layout & Components - Worcester 12/18 Instruction Manual
For open vent & sealed central heating systems with
mains fed domestic hot water
greenstar heatslave external
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Also See for 12/18:
- Instruction manual (77 pages) ,
- Installation, commissioning and servicing instruction manual (48 pages) ,
- User instructions (20 pages)
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8 716 113 389d
30/3/10
14:01
46
45
i)
ii)
v)
44a
4
3
2
1
43
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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
8 716 113 389d (03/2010)
Page 7
46
45
i)
iv)
ii)
44b
v)
iii)
iv)
13
12
11
10
9
8
7
6
5
30
29
LAYOUT & COMPONENTS
iii)
14
19
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25
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The diagram opposite excludes the top, front
and RH side casing panels.
1. CONTROL BOX ASSEMBLY
2. DIVERTER VALVE
3. PRESSURE GAUGE
4. AUTO AIR VENT
5. CH CONTROL AND MANUAL RESET
OVERHEAT THERMOSTAT PHIAL
6. CASING SIDE PANEL
7.
CIRCULATING PUMP
8. AUTO-RESET HIGH LIMIT
THERMOSTAT PHIAL
9. PUMP AUTO AIR VENT (under
protective cap)
10. DHW FLOW SWITCH
11. PRESSURE RELIEF VALVE
12. DHW HEAT EXCHANGER
13. FLUE GAS SAMPLING POINT
14. FLUE OVERHEAT THERMOSTAT
PHIAL
15. CASING SUPPORT PANEL
16. FLUE MANIFOLD ACCESS COVER
17. AIR INLET DUCT AND CASING
18. SECONDARY HEAT EXCHANGER
BLEED POINT (ONE ON EITHER SIDE)
19. SECONDARY HEAT EXCHANGER
20. SECONDARY HEAT EXCHANGER
DRAIN
21. EXPANSION VESSEL
22. COMBINED FEED & EXPANSION &
OPEN SAFETY VENT PIPE OUTLET
23. CONDENSATE OUTLET
24. PRIMARY HEAT EXCHANGER
25. TRAY
26. OIL ISOLATION VALVE
27. CONDENSATE TRAP
28. CONDENSATE TRAP BRACKET
29. PRIMARY HEAT EXCHANGER DRAIN
COCK
30. COMBUSTION CHAMBER ACCESS
DOOR
31. HEATSLAVE TANK DRAIN
32. HEATSLAVE TANK
33. DATA LABEL
34. MODE SWITCH
35. BOILER MODE INDICATOR
36. LOCKOUT INDICATOR
37. MANUAL RESET TANK OVERHEAT
THERMOSTAT (behind plastic cover)
38. OVERHEAT RESET BUTTONS (boiler &
flue temperature)
39. LOCKOUT RESET BUTTON
40. SERVICE CONNECTION
41. CH TEMPERATURE CONTROL
42. DHW TEMPERATURE CONTROL
43. FROST THERMOSTAT SENSORS
44a. B E NTO N E STE R LI N G B U R N E R
(12/18 & 18/25)
i) CONTROL BOX
ii) MOTOR
iii) AIR INTAKE CASING
iv) OIL PUMP
v) COMBUSTION HEAD
44b. RIELLO RDB 1 (12/18) &
RDB 2.2 (18/25 & 25/32)
i) CONTROL BOX
ii) MOTOR
iii) AIR INTAKE CASING
iv) OIL PUMP
v) COMBUSTION HEAD
45. CLIP - AIR INTAKE HOSE
46. AIR INTAKE HOSE
LAYOUT & COMPONENTS
7
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