46
Installation and Servicing
Section 3 - Servicing
SER
VICING
3.24 EXPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1.
Remove the charge point cover.
2.
Recharge the tank pressure to 0.75 bar.
3.
Re-assemble in reverse order.
4.
Check that the boiler operates.
REPLACEMENT
5.
Drain the boiler CH circuit.
6.
Remove the retaining clip on the vessel water
connection pipe and remove the pipe.
7.
Support the expansion vessel and unscrew the 2 screws
from the securing bracket, located on the top of the
boiler, and remove. (Note the position of the bracket on
the vessel)
8.
Remove the expansion vessel.
9.
Fit the new expansion vessel.
10.
Reassemble in reverse order ensuring the seal is in
place.
11.
Refill the boiler and check for leaks.
.
12.
Check tht the boiler operates.
Refer to Section
3.4
Refer to Section
3.3
Refer to Section
2.17
Recharge
Point
7
6
1