Keston Combi 35kw User Manual download pdf (Page 56)

SERVICING

Keston Combi - Installation and Servicing

BOILER SEALING PANEL SEAL REPLACEMENT

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.

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

SERVICING

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Keston Combi 35kw User Manual Page 56