Zanussi ULTRA COMBI 35 Installation And Servicing page 53

69 EXPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1. Refer to Frame 43.
2. Remove the charge point cover.
3. Recharge the tank pressure to 0.75 bar.
4. Re-assemble in reverse order
5. Check operation of the boiler. Refer to Frames
32 & 33.
REPLACEMENT
6. Refer to Frame 43.
7. Drain the boiler CH circuit. Refer to Frame 57.
8. Remove the retaining clip on the vessel water
connection pipe.
9. Support the expansion vessel and unscrew
the 2 screws from the securing clamp, located
on the top of the boiler, and remove. (Note the
position of the bracket on the vessel)
10. Remove the expansion vessel.
11. Fit the new expansion vessel.
12. Reassemble in reverse order ensuring the seal
is in place.
13. Refill the boiler. Refer to Frame 24.
14. Check operation of the boiler. Refer to Frames
32 & 33.
70 BOILER SEALING PANEL SEAL REPLACEMENT
1. Refer to Frame 43.
2. Remove the old seal from the casing and
thoroughly clean the casing surfaces.
3. Fit the new seal, ensuring the bottom joint
provides an air tight seal.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to
Frames 32 & 33.
Note. Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
Installation and Servicing
SERVICING
8
Recharge
Point
9
53