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10.3 Specific Maintenance Operation
Spark Ignition
Earth
Electrode
Wire
Earth Wire
Ignition
Electrode
Plug
Tab
Fan Protective
Press the tab to
Cover
hinge down the
Fan Protective
Cover
Automatic
Air Vent
Clip
Fig. 47
Trap Securing Clip
Disengaged
Trap Securing Clip
Engaged
7684200-01 (06/17)
Gasket
Fig. 46
90° rubber hose
Condensate
Trap
WARning
When changing components ensure that both the
gas and electrical supplies to the boiler are isolated
before any work is started.
Electrical isolation can be checked at the electrical
test point.
When a component has been changed recommission
the boiler as described in Section 7.
Always examine any seals or gaskets, replacing
where necessary. Where a seal or gasket is supplied
with a spare part it should be used, irrespective of
the condition of the original.
The Case Front Panel MUST seal effectively against
the air box side panels.
1. See section 10.2 for removal of lower front panel and
front panel.
10.3.1
Spark ignition Electrode (Fig. 46)
1. Disengage the fan protective cover securing tab and lower
the cover.
2. Disconnect the ignition electrode plug from the PCB and the
earth wire from the electrode.
3. Undo the two securing screws securing and remove the
electrode and gasket.
4. Fit the new electrode and if necessary replace the gasket.
Connect the electrode lead to the PCB and earth wire to the
new electrode.
10.3.2
Automatic Air Vent (Fig. 47)
1. Remove the clip securing the automatic air vent.
2. Manoeuvre the air vent out of the adaptor in the heat
exchanger.
3. Fit the new air vent and if necessary replace the 'O' ring .
Refit the securing clip.
10.3.3
Condensate Trap (Fig. 48)
1. Disengage the condensate trap securing clip by pulling
forwards and hinging upwards.
2. Disconnect the 90° rubber hose from the trap and dismantle
the condensate drain pipework as necessary. Carefully pull out
the trap and discard.
Fig. 48
3. The new condensate trap must be primed by filling with tap
water to a depth of approximately 75mm.
4. Carefully locate the new condensate trap in the boiler
ensuring all seals are located properly and re-engage the
securing clip. Reconnect the 90° rubber hose and pipework.
Maintenance
10
Assure Heat
51
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