Ariston 47-116-15 installation instructions Microgenus 27 Mffi

Page 53

SPARE PARTS EXPLODED VIEW GAS WALL BOILERS

Models

MICROGENUS 27 MFFI

Edition 2 of 1 February 2000

Page 52 Page 54
Image 53
Page 52 Page 54
Contents Installation Instructions Type C Boilers Table of Contents General Information Overall View Installation Overall Dimensions Supply must be fused at 3 a Domestic Water Kent TN9 1RA Morley RoadTonbridge 80 mm Systems Restrictor Extension Piping not insulated Piping insulatedRestrictor No Restrictor Extension Piping not insulated Piping insulatedCalculating the lengths of the pipes, Electrical Diagram Central Heating Return Commissioning Control Panel Initial START-UP Operational Adjustments Status ANTI-FROST Device Methane Liquid Gas Butane GAS AdjustmentsG20 Gas G30 16.0Maintenance Boiler MiscellaneousProgrammer Manufacturer Merloni TermoSanitari SpA Italy Technical Service Hot Line 01494Technical Information Servicing Instructions Type C Boilers Fault Finding Removing the front panel Servicing InstructionsRemoving the side panels Removing the sealed chamber frontal coverRemoving the electrodes Removing the combustion coverRemoving the burner and jets Removing the main heat exchanger Removing the fan Removing the air pressure switchSetting the minimum and the maximum power of the boiler Setting the gas pressuresSetting the maximum heating circuit power Setting pressure for soft ignitionRegulating the heating power for Propane gas G31 Regulating the heating power for Natural gas G20Regulating the heating power for Butane gas G30 Removing the spark generator Removing the D.H.W. secondary exchanger Removing the gas valveRemoving the automatic air vent Removing the safety valveRemoving the main circuit flow switch Removing the pump Removing the expansion vessel Removing the pressure gaugeRemoving the heating temperature sensor N.T.C Removing the D.H.W. temperature sensor N.T.CRemoving the D.H.W. flow switch Removing the overheat thermostatRemoving the time clock Checking the fusesRemoving the P.C.B Finding diagrams described in this chapter Fault FindingYES YES ∆ P 1.2 mbar YES Electrical Diagrams MicroGENUS 23/27 Mffi MicroGENUS 23/27 Mffi Ariston Page Manufacturer Merloni TermoSanitari SpA Italy Microgenus 27 Mffi Cod Part Code Description 998924 Panel combustion chamber front 571770 Main flow switch top cap
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