68
hEa T ENgINE RENEWaL
Refer also to Frame 6 - ‘Boiler Exploded View’
IMpORTaNT
Before starting the removal procedure, protect the gas and
1.
2.
3.
4.
5.
6. Remove the ignition and detection electrodes and divertor
7.
8.
9.
10.
11. Remove the 2 M5 screws retaining the gas valve mounting
12.
13. Undo the return pipe union nut and remove the retaining
14. Unclip and disconnect the DHW pipe off the brass inlet
15.
16.
17.
18. Remove the Heat exchanger, slide to the right out of location
19. Reassemble in reverse order, ensuring the heat exchanger
17
13
15
11
When replacing the spring clips located on the return
pipe connection, ensure clip is oriented to correctly match
20.
21.
22.
69
ExpaNsION VEssEL REChaRgINg & REpLaCEMENT
10
REChaRgINg
1.
2. Relieve system pressure through CH drain point (Refer to
3.
4.
5. Re-assemble in reverse order
6.
REpLaCEMENT
7.
8.
9.
10.
from the securing clamp, located on the top of the boiler, and
11.
12.
13.
14.
15.
3
sERVICINg
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