Keston Combi 30 - Expansion Vessel Recharging & Replacement; Boiler Sealing Panel Seal Replacement

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SERVICING
Keston Combi - Installation and Servicing
74 BOILER SEALING PANEL SEAL REPLACEMENT
73 EXPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1. Refer to Frame 45.
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 Frame36.
REPLACEMENT
6. Refer to Frame 45.
7. Drain the boiler CH circuit. Refer to Frame 60.
8. Unscrew the union nut 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.
13. Rell the boiler. Refer to Frame 22.
14. Check operation of the boiler. Refer to Frame 36.
3
1. Refer to Frame 45.
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
Frame 36.
Note. Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
Recharge
Point
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SERVICING
207895-2.indd 56 02/01/2013 09:38:49