Benchmark Procombi Exclusive 24 Installation & Servicing Instructions Manual page 52

65 ExPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1. Refer to Frame 39.
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 28
& 29.
REPLACEMENT
6. Refer to Frame 39.
7. Drain the boiler CH circuit. Refer to Frame 52.
8. Remove the retaining clip on the vessel 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 taking care not to
damage the adjacent wiring harness.
11. Fit the new expansion vessel.
12. Reassemble in reverse order ensuring the 'o' ring
seal is in place.
13. Refill the boiler.
14. Check operation of the boiler. Refer to Frames 28
& 29.
66 BOILER SEALING PANEL SEAL REPLACEMENT
1. Refer to Frame 39.
2. Remove the old seal from the casing and
thoroughly clean the casing surfaces.
3. Fit the new self adhesive seal ensuring all
joints provide an air tight seal.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to
Frames 28 & 29.
Note. Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
52
SERVICING
8
Procombi Exclusive -
Recharge
Point
9
Installation and Servicing