Ideal Boilers mini HE C24 Installation And Servicing

SERVICING32 mini HE --- Installation & Servicing35 BURNER REMOVAL AND CLEANING1 Disconnect the electrical supply.2 Remove outer and inner casing (refer to frame 34).3 Undo the screws A and remove the fan holder bracket Band the combustion chamber panel C.4 Remove the screws D and the plate E.CAABDE5 Disconnect the electrodes leads.6 Undo the four screws F placed at the right and left sides ofthe burner and extract it.F7 Brush off any deposits that may have collected on theburner, ensuring that the flame ports are unobstructed.Note: brushes with metallic bristles MUST NOT be used.8 Inspect the spark and detection electrodes. Ensure theyare clean and in good condition; replace if necessary.9 Check the spark electrodes gap is correct.4 mm (5/32”)IgnitionDetection MaleFemale10 mmBurner blade(3/8”)10 Check that the spark and detection electrodes leads are ingood condition and renew as necessary.36 BURNER PRESSURE CHECKAfter any servicing, reference should be made to:--- Table 2 and Table 3 (or the data plate) which quote detailsof the burner pressures.If the burner pressures are incorrect ensure the inlet pressure,with the appliance running, is correct (refer Table 1).If the burner pressures require adjustment refer to frame 27“To adjust pressures”.If the appliance still does not operate correctly refer to theappropriate fault finding chart.37 CLEANING THE HEAT EXCHANGER1 Open the combustion chamber as explained in steps 1 to3 of frame 35.2 Place a plastic sheet or similar beneath the heatexchanger and remove all visible loose deposits from theheat exchanger fins, using a suitable brush.38 RE ---ASSEMBLYRe---assemble the boiler in the following order:3 Refit the burner.4 Reconnect the electrodes to the ignition pcb. See frame35 for correct connectors.5 Refit the combustion chamber panel and the fan holderbracket.6 Refit the inner case cover.IMPORTANT. Ensure the boiler sealing panel is correctlyfitted and that a good seal is made.7 Refit the boiler side and front panels.8 Turn on the gas supply at the gas service cock.9 Reconnect the electrical supply.SERVICING