Benchmark i-mini 30 Installation And Servicing page 51

66 ExPANSION VESSEL RECHARGING & REPLACEMENT
ReCHARGinG
1. Refer to Frame 40.
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 29 & 30.
RePlACeMent
6. Refer to Frame 40.
7. Drain the boiler CH circuit. Refer to Frame 54.
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 23
14. Check operation of the boiler. Refer to
Frames 29 & 30.
67 boileR SeAlinG PAnel SeAl RePlACeMent
1. Refer to Frame 40.
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 29 & 30.
note. Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
i-mini -
Installation and Servicing
SERVICING
8
Recharge
Point
9
51