Ideal Boilers Classic LXFF 230 Installation And Servicing Manual

Also see for Classic FF 2 100: Installation and Servicing Manual

Ideal Boilers Classic LXFF 230 Installation And Servicing Manual Manual pdf 27 page image

Classic FF - Installation & Servicing 27MAIN BURNERAfter any servicing, reference should be made to Table 2which quotes details of the rated output with the relatedburner setting pressure and the heat input. Any requiredadjustments should be made by using the pressureadjustment screw.Refer to 'initial Lighting', Frame 43.REPLACEMENT OF PARTS1. Refer to Frame 54.2. Remove the control box fixing screws.3. Swing the control box down into the servicing position.56 OVERHEAT THERMOSTAT REPLACEMENT54 GENERALWhen replacing any component:1. Isolate the electricity supply.2. Turn OFF the gas supply.3. Remove the boiler casing. Refer to Frame 48.IMPORTANT. When work is complete the casing mustbe correctly refitted, ensuring that a good seal is made.4. Pull off the electrical connections at the thermostat. Remove thebacknut retaining the thermostat to the bracket. Withdraw thethermostat phial from the heat exchanger pocket.5. Fit the new thermostat and re-assemble in reverse order.6. Check the operation of the boiler.53 GAS PRESSURE ADJUSTMENTPILOTThe pilot is factory set to maximum and no furtheradjustment is possible. If, after removing and checking theinjector (as detailed in Frame 58) and ensuring that there isan inlet pressure of 20 mbar available, the pilot does notlight then contact Caradon Plumbing Limited.Relight in accordance with 'Initial Lighting', Frame 43.SERVICINGNote. In order to assist fault finding, the control box printedcircuit board is fitted with 2 indicator lights which represent thefollowing boiler conditions:Neon I3. Mains electricity ON.Neon SG1. Flashes to indicate ignition operation (stops afterdetection).The boiler MUST NOT be operated if the casing is not fitted.55 SIGHTGLASS REPLACEMENT1. Refer to Frame 54.2. Unfasten the 2 nuts and washers holding the sightglassassembly to the casing front panel.3. When fixing the new assembly ensure that the parts are inthe correct order. The frame must have the return edge atthe bottom.4. Retighten the 2 nuts to ensure an airtight seal. Do NOTovertighten.6. Replace the boiler casing. Refer to Frame 52.SERVICING