DeDietrich 310 ECO Series, Installation And Operating Manual, Page: 9 / 76

8
De Dietrich Gas 310/610 ECO
3 DESIGN
3.1 Boiler Version
Fig. 02 Cross-section Gas 310 ECO (Left hand boiler illustrated). Gas 610 boiler consists of Gas 310-L and Gas 310-R.
The service side of the boiler (with the heat exchanger inspection cover) is the front.
1. T/P gauge (supply manifold)
2. Relief valve 1 ½ In. & additional ½ In.
port for external Hi limit
3. Flow-connection
4. Not available
5. Return-connection
6. Filling/drain cock
7. Condensate collector
8. Flue gas temperature sensor
9. Condensate drain
10. Measuring point (O
2
, CO
2
, CO)
11. Positioning wheels
12. Jacking bolts
13. Condensate drain hose
14. Flue gas discharge
15. Inspection hatch
16. Not available, 10” vent ø system only
17. Heat exchanger
18. Flow temperature sensor
19. Air supply
20. Not available, 10” vent ø system only
21. Air supply grille
22. Gas connection
23. Inspection glass
24. Ignition/Ionization electrode
25. Return temperature sensor
26. Boiler block temperature sensor
27. Frame
28. Steering castor
29. Fan
30. Venturi
31. Gas valve multiblock
32. Non return valve
33. Gas filter
34. Air pressure differential sensor (LDS)
35. Air box
36. Instrument panel
37. Control Keys
38. Read-out window
39. Weather compensator (optional)
40. On/Off switch
Other items see parts view section 15.5:
a. Firing valve (3026)
b. Vent safety switch (3046)
c. Inlet gas adapter 2” NPT (3045)
d. Safety relief valve, see chapter 7.4.4.