Maintenance; Cleaning The Fan; Cleaning The Venturi; Cleaning The Heat Exchanger - REMEHA Quinta 115 Technical Information

11.3 Maintenance

If during the annual inspection combustion results indicate that the boiler is no longer
operating at the optimum level, additional maintenance should be carried out as
follows:
NOTE:
• Please ensure that the gas supply and mains power supply is isolated before any
maintenance work is carried out on the boiler
• Care should be taken when stripping the boiler for maintenance making sure
that all parts nuts, washers and gaskets etc. are kept safe, clean and dry for re-
assembly
• Following maintenance/cleaning, the boiler should be re-assembled in the reverse
order re-placing gaskets and joints where found necessary.
• All general cleaning should be carried out with a soft brush or damp cloth to avoid
damaging components. (Solvents must not be used).
1. Isolate gas supply and electrical supply
2. Remove front casing retaining screws (2) pull front casing panel slightly
forward and lift off
3. Slide upwards and tilt instrument panel forwards turning downwards
engaging the lower lugs on the bottom casing to hold panel in place during
maintenance
4. Remove M5 nuts and bolts securing fan and air inlet assembly to venturi,
disconnecting electrical leads where necessary
NOTE: connect rear electrical plug on fan before final positioning when re-fitting
5. Remove M5 retaining nuts securing venturi to front plate
6. Remove ignition cap/lead and earth lead from Ignition/ionisation electrode.

11.4 Cleaning the fan

Use a synthetic brush to clean fan, be careful not to disturb the balance clips on
the fanblades

11.5 Cleaning the venturi

Use a synthetic brush to clean venturi – make sure that the silicon hose between gas
valve and venturi is clear and in good condition – replace if necessary

11.6 Cleaning the heat exchanger

Release the retaining nuts from heat exchanger front plate, remove plate, be careful
not to damage the insulation plate or the burner which is connected to front plate,
store safely.
Remeha Quinta 115
60