Ideal Boilers minimiser SE 30 Installation And Servicing Manual

Also see for minimiser SE 30: Householders guide

40 Minimiser SE - InstallationSERVICING72 PRINTED CIRCUIT BOARD REPLACEMENT74 CONDENSATE SIPHON REPLACEMENTRefer also to Frame 37 - Pictorial Wiring.1. Refer to Frame 58. Note. The sealing panel need not beremoved.2. Swing the control box into its 'servicing' position - refer toFrame 72, steps 1-4 .3. Unplug the 'Burner on' neon lead from the PCB - refer toFrame 72.4. Prise the neon out of the lens holder.5. Fit the new neon and re-assemble in reverse order.SERVICINGRefer also to Frame 10 - 'Boiler exploded view'.1. Refer to Frame 58.2. Remove the fan unit - refer to Frame 53.3. Remove the gas injection pipe - refer to Frame 67, step 8.4. Disconnect the ignition and detector leads - refer to Frame 63.5. Disconnect the condensate drain from the bottom of the boiler.6. Undo the siphon union connection.7. Push the siphon down slightly to clear the union, tiltforward and withdraw it from the boiler.8. Fit the new siphon and reassemble in reverse order,replacing any damaged or deteriorating sealing gasket.Refer also to Frame 10 - 'Boiler exploded view' and Frame 37 - 'Pictorial wiring'.1. Refer to Frame 58. Note. The sealing panel need not be removed.2. Remove the boiler bottom panel - refer to Frame 59, step 4.3. Open the controls pod door and pull off the thermostat knob.4. Undo the control box securing screw and swing the box into the'servicing' position. If access is restricted pull the box forward and freefrom the boiler - refer to Frame 59.5. Unplug the following leads from the PCB:a. Gas valve leadb. Flame detection leadc. 'Burner on' neon leadd. Fan leade. Mains input lead6. Squeeze the retaining tabs on the twolocation pins and withdraw the PCB,complete with the other 2 pins. Transferthese pins to the new PCB..7. Fit the new PCB and re-assemble inreverse order.Ensure that all electrical connections arecorrectly remade.8. Check the operation of the boiler.73 'BURNER ON' NEON REPLACEMENT