LAYOUT & COMPONENTS

44

43

i)

iv)

iii)

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

44

43

i)

ii)

ii)

42b

v)

5. CH CONTROL AND MANUAL RESET OVERHEAT THERMOSTAT PHIAL

6.CASING SIDE PANEL

7.CIRCULATING PUMP

8.AUTO-RESET HIGH LIMIT THERMOSTAT PHIAL

9. DHW FLOW SWITCH

APPLIANCE

INFORMATION

iii)

iv)

v)

10.PRESSURE RELIEF VALVE

11.DHW HEAT EXCHANGER

12.FLUE GAS SAMPLING POINT

13

13. FLUE OVERHEAT THERMOSTAT

 

PHIAL

 

14. CASING SUPPORT PANEL

42a

40 41

39

38

1

4

3

2

5

6

12

10 11

8 9

7

14

15

16

18

17

15. FLUE MANIFOLD ACCESS COVER

16. AIR INLET PIPE AND CASING

17. SECONDARY HEAT EXCHANGER

BLEED POINT (ONE ON EITHER SIDE)

18. SECONDARY HEAT EXCHANGER

19. SECONDARY HEAT EXCHANGER

DRAIN

20. EXPANSION VESSEL

21. OPTIONAL OPEN VENT/AIR VENT

22. DRAIN AND OPTIONAL FEED AND

EXPANSION

19

23. CONDENSATE OUTLET

 

 

24. PRIMARY HEAT EXCHANGER

 

25. TRAY

 

26. OIL ISOLATION VALVE

 

27. CONDENSATE TRAP

 

28. CONDENSATE TRAP BRACKET

 

29. COMBUSTION CHAMBER ACCESS

 

DOOR

 

30. HEATSLAVE TANK DRAIN

 

31. HEATSLAVE TANK

 

32. MODE SWITCH

 

33. BOILER MODE INDICATOR

 

34. LOCKOUT INDICATOR

 

35. OVERHEAT RESET BUTTONS (boiler &

37 35/36 34

33

32

31

30

29

 

25 24

23 22

26

 

 

 

27

28

21

flue temperature)

36. LOCKOUT RESET BUTTON

37. SERVICE CONNECTION

38. CH TEMPERATURE CONTROL

39. DHW TEMPERATURE CONTROL

40. DATA LABEL

41. FROST THERMOSTAT SENSORS

42a. BENTONE STERLING BURNER (12/18 & 18/25)

i)CONTROL BOX

20 ii) MOTOR

iii)AIR INTAKE CASING

iv)OIL PUMP

v)COMBUSTION HEAD

42b. RIELLO RDB 2.2 BURNER (25/32)

i)CONTROL BOX

ii)MOTOR

iii)AIR INTAKE CASING

iv)OIL PUMP

v)COMBUSTION HEAD

43.CLIP - AIR INTAKE HOSE

44.AIR INTAKE HOSE

6

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32 8 716 113 389b (09/07)

LAYOUT & COMPONENTS

Page 6 Page 8
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Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Layout & Components
Page 6 Page 8

25/32kW, 12/18, 18/25 specifications

Bosch Appliances has carved out a reputation for engineering high-performance heating solutions, particularly with their range of heating systems including the 18/25, 12/18, and 25/32 kW models. These systems are designed to meet the diverse needs of residential and commercial spaces while maintaining energy efficiency and sustainability.

The Bosch 18/25 kW model excels in providing an optimal heating solution for medium to large residential properties. It is equipped with a highly efficient condensing boiler that extracts additional heat from flue gases, achieving significant energy savings. The built-in, user-friendly interface allows for easy programming and monitoring, which maximizes user convenience.

The 12/18 kW model provides a versatile opportunity for smaller homes or apartments. Its compact design ensures that it fits seamlessly into tighter spaces without sacrificing performance. The unit operates quietly, making it an excellent choice for residential areas where noise can be a concern. Additionally, it features the latest modulation technology, optimizing energy usage and maintaining consistent temperatures.

Finally, the 25/32 kW model is ideal for larger installations, offering robust performance even in high-demand scenarios. This model benefits from advanced heating management systems that enable intelligent control of heating zones, ensuring efficiency and comfort throughout the property. With its enhanced energy rating, the 25/32 kW model significantly reduces the carbon footprint, aligning with modern sustainability goals.

Across the board, Bosch Appliances integrates advanced technologies such as intelligent diagnostics, smart home compatibility, and eco-friendly materials. All models are constructed with durability in mind, featuring corrosion-resistant heat exchangers and high-quality components designed for longevity.

The customer-focused features, including comprehensive warranty packages and responsive customer service, further exemplify Bosch's commitment to quality. Overall, Bosch Appliances 18/25, 12/18, and 25/32 kW heating systems stand out for their innovative technology, efficient performance, and reliability, making them an excellent choice for those looking to upgrade their heating solutions.
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