Keston Combi 35kw User Manual download pdf (Page 39)

SERVICING

Keston Combi - Installation and Servicing

BURNER REMOVAL AND CLEANING

1. Ensure the sump is fully drained

2. Undo the two screws and remove the sump cover retaining the lower

ue manifold.

3. Lift the manifold to clear the bottom sealing gasket and remove

manifold.

4. Remove the 2 burner front xing screws and loosen the 2 rear

extended nuts by at least ten turns.

5. Lift off the burner from the combustion chamber. To facilitate the

removal angle the burner as shown.

IMPORTANT

The burner head is a ceramic plaque construction. Care must be

taken to ensure that the burner is not placed down upon

its face as this may cause damage to the ceramic.

6. Brush off any deposits that may be on the ceramic with a

SOFT brush.

7. Inspect the sealing gasket around the burner for any

signs of damage. Replace as necessary.

CLEANING THE CONDENSATE TRAP/SIPHON

3G9690

1. Pull off the rubber pipe at the sump drain.

2. Disconnect the condensate drain pipe.

3. Turn the siphon clockwise to disengage and lift to

remove.

Note. Keep siphon upright when removing

4. Clean siphon with water.

5. Re-assemble in reverse order.

B When re-assembling ensure the trap is full of water.

SERVICING

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Keston Combi 35kw User Manual Page 39