Ideal Boilers Henrad SE 30 FF Installation And Servicing Manual

Also see for Henrad SE 30 FF: User guide

32Henrad SE FF - InstallationSERVICING53 FAN REMOVAL AND CLEANINGSERVICING1. Disconnect the 2 ignition leads and one detection lead fromthe electrodes.2. Undo the 3 fixing screws securing the burner assembly.3. Withdraw the burner assembly downward and out of theheat exchanger.4. 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.54 BURNER REMOVAL AND CLEANING5. Inspect the ignition and detection electrodes. Ensure they are clean and ingood condition - replace if necessary.6. Check the ignition and electrode gaps are correct.7. Check that the ignition and detection leads are in good condition and renewas necessary.1. Disconnect the electrical leads from the fan.2. Disconnect the pressure sensing pipe from the fan.a. Undo the 2 screws securing the pipe to the fan.b. Undo the 2 screws securing the pipe clampingplate to the manifold block.c. Withdraw the clamping plate.d. Withdraw the pipe from the boiler.3. Press the retaining bracket lever upwards and rotatethe fan body to the right to disengage the fan scrollfrom the bracket. Continue rotating to disengage thebayonet fixing on the fan outlet.4. Withdraw the fan.5. Check that the fan impeller runs freely. Clean with asoft brush or renew as necessary. Refer to Frame 70.6. Check that the low pressure sensing pipe isundamaged and free from obstruction.Note.Always take care when handling the fan, in order topreserve the balance of the impeller.