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Fig. 34 . Inner Casing - Gas and Electric
Controls. 9/14CBi shown.
2
3
1
1. Inner casing
2. J bolts and wing nuts (2)
3. Combustion chamber cover
4. Burner assembly
5. Inner case cover fixing
points (4)
6. Base/control fixing point
7. Gas valve
8. Burner manifold fixing
screws (4 + 4)
9. Burner manifold
10. Drain point (top flow return)
11. Flow and return pipe fixing clip
12. Access panel
13. Temperature sensor
14. Overheat thermostat
15. Casing support
16. Return pipe
17. Flow pipe
18. Air pressure switch
19. Combustion test point
20. Air pressure switch fixing clip (4)
21. Flue hood
22. Fan
23. Sensing tubes
24. Outer case earth tag
25. Side cover plate
4
5
6
7
8
7
9
8
10
14
15
11
12
14
11
16
17
18
19
20
21
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23
Fig. 35 . Base/Control Board Assembly
1
2
3
4
5
6
7
8
1. Base/control assembly
2. Base/control assembly fixing
point
3. Gas valve
4. Inner connections earth tag
5. External controls earth post
points (4)
6. Cable clamp
7. External controls connection
8. Control knob
9. Fuse
10. Outer case earth tag
NOTE: Control board cover not shown.
13
9
24
10
25