1
75
61
36
21
33
32
43.5
94
CH
Flow
DHW
Outlet
Gas
DHW
Inlet
CH
Return
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.
Condensate
Drain
PRV
CH
Circuit
Drain
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
3.13
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.
Ignition /Detection
Electrode
Spark Gap
3.5 mm
Refer to Section
3.2
Refer to Section
2.35 & 2.36
3.9 IGNITION / DETECTION ELECTRODE REPLACEMENT / INSPECTION
3.10 CLEANING THE CONDENSATE TRAP
43
Installation and Servicing
Section 3 - Servicing
SER
VICING
SCAN
for video
CAUTION:
Keep trap upright when removing
