Diagram Of Water Feed System; Legend - SM Duale Class Manuel D'instructions

3.1 Diagram of water feed system

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3.2 Legend

1. Main switch
2. Main switch indicator light
3. Steam spout
4. Espresso dispensing unit with lever actuation
5. Lever of tap for drawing steam
6. Lever for coffee serving
7. Hot water supply cock handle
8. Coffee dispensing unit with electronic control
9. filter holding cup with handle
10. Manual boiler water filling lever
11. Hot water spout
12. -
13. -
14. Boiler pressure gauge
15. Visual level indicator
21. Boiler water drain tap
22. Automatic level tap (optional)
23. Push button valve with check valve
24. Automatic level tap (optional)
25. No-return and safety valve
26. Automatic level solenoid (optional)
27. Pressure switch
28. Pressure switch setting screw
29. Grounds collecting tray
30. Drain pipe
31. Water softener (optional)
32. Water softener feeding pipe
33. Mains water supply tap
34. Mains water supply pipe
35. Pump feeding pipe
36. Machine feeding pipe
37. Motor pump (optional – suggested on models with autofill)
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10
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a. Single short coffee supply button
b. Single long coffee supply button
c. Double short coffee supply button
d. Double long coffee supply button
e. Continuous supply button
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