Electrodes/Burner; Injector - Potterton Performa 9 SL HE User Manual

9.10 Electrodes/Burner

1. Perform General Access - See 9.2.
2. Remove the combustion chamber cover -
See 9.9.
3. Disconnect the ignition lead from the ignition
electrode and the sensing lead and earth
lead from the sensing electrode.
If replacing electrode(s), remove securing
screw(s) as appropriate.
4. Remove the securing screw at the right hand
side, hold the burner , apply greater pressure
at the right hand side and pull to disconnect
from the spring clips on the support bracket.
5. Transfer electrodes onto replacement burner
before re-fitting.
6. Re-assemble in reverse order.
Check that the gap between the electrode tip
and the burner face is 3 - 4 mm, adjustment
can be made by careful use of pliers.

9.11 Injector

1. Remove the Burner - See 9.10
Use a 13 mm (A/F) or 1/2" (A/F) socket
spanner to remove the injector.
2. Unscrew the injector.
3. Re-assemble in reverse order. Use a new
sealing washer on the injector and test for
gas soundness.
© Baxi Heating UK Ltd 2008
Ignition electrode
Sensing electrode
Ensure electrodes
are sat over flame
ports as shown
and have 3 - 4
mm gaps
between tip and
burner face.
Burner support
bracket
1
Remove
screw
Ignition lead
Remove injector
Remove
screw
Pull forward to
disconnect from
Rear
support bracket
2
Front
9.10
9.10
Fig. 58
9.11
Fig. 59
47