40
Installation and Servicing
Section 3 - Servicing
SER
VICING
3.9 IGNITION / DETECTION ELECTRODE REPLACEMENT / INSPECTION
3 mm
Straight edge
1. Remove the fan.
Refer to Section
3.6
2. Remove the flue manifold.
3. Remove the burner.
Refer to Section
3.7
4. When servicing the boiler inspect the condition of the
electrode and check the dimensions shown. If there is
damage to the electrode continue to follow steps below
for replacment.
5. Unplug the ignition lead from the electrode.
6. Remove the earth lead from the electrode.
7. Remove the 2 screws holding the electrode to the
combustion chamber.
8. Remove the electrode.
9. Fit the new electrode, using the new
gasket supplied. Check dimensions as
shown.
Refer to Section
2.30 & 2.31
Ignition /Detection
Electrode
Spark Gap
3.5 mm
Refer to Section
3.2
3.10 CLEANING THE CONDENSATE TRAP
CH
Flow
Gas
CH
Return
Condensate
Drain
SCAN
for video
1. Pull off the rubber pipe at the sump drain.
2. Turn the trap clockwise to disengage and lift to remove.
3. Clean and fill trap with water.
CH
Circuit
Drain
Trap
2
CAUTION:
Keep trap upright when removing
PRV
Grommet