Keston Combi 35kw User Manual download pdf (Page 44)

SERVICING

Keston Combi - Installation and Servicing

IGNITION ELECTRODE REPLACEMENT

1. Refer to Frame 45.

2. Remove the burner. Refer to Frame 48.

3. Unplug the ignition lead from the electrode.

4. Remove the earth lead from the ignition

electrode.

5. Remove the 2 screws holding the ignition

electrode to the combustion chamber.

6. Remove the electrode.

7. Fit the new ignition electrode, using the new

gasket supplied. Check dimensions as shown.

8. Reassemble in reverse order.

9. Check the operation of the boiler. Refer to

Frame 36.

Ignition Electrode

3mm

Straight edge

Spark Gap

3.5mm

FLAME DETECTION ELECTRODE REPLACEMENT

Flame Detection Electrode

12.5mm

Straight edge

1. Refer to Frame 45.

2. Remove the burner. Refer to Frame 48.

3. Unplug the ame detection lead from the

electrode.

4. Remove the 2 screws retaining the detection

electrode.

5. Remove the electrode.

6. Fit the new ame detection electrode, using the

new gasket supplied.

7. Reassemble in reverse order.

8. Check the operation of the boiler. Refer to

Frame 36.

SERVICING

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Keston Combi 35kw User Manual Page 44