Cod 99 84 1260 112 B023 | Ariston A/23 MFFI, A/27 MFFI, 47-116-12

Manufacturer: Merloni TermoSanitari SpA - Italy

Commercial subsidiary: MTS (GB) LIMITED MTS Building Hughenden Avenue, High Wycombe Bucks HP13 5FT Telephone: (01494) 755600 - Fax: (01494) 459775

Technical Service Hotline: (01494) 539579

STAMPA: Azienda Grafica BIEFFE srl - Recanati

Cod. 23 99 84 1260 112 - B023

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Ariston A/23 MFFI, A/27 MFFI, 47-116-12, 47-116-10 Cod 99 84 1260 112 B023, Manufacturer Merloni TermoSanitari SpA Italy

Contents

Mffi A/27 Mffi Table of Contents General Information General Instructions Technical Information Mffi Mffi A/27 Mffi Overall View Installation Reference Standards Siting the Appliance Overall Dimensions Clearances Electrical Connection Mounting the ApplianceGas Connection Safety Valve Discharge Water ConnectionsPipe Work By-pass Mains Water Feed Central Heating Flue ConnectionsFilling Terminal Position B023 Coaxial System Room Thermostat Connection Electrical Diagram Colours B023 Water Circuit Diagram Mffi CommissioningInitial Preparation Filling the Heating System Control Panel Removing the Front PanelSelector Knob for Summer/Winter/Flue Analysis Modes Initial Start-up Operational Adjustments Checks to be run before initial start-up are as follows Circulation Failure Ignition FailureOverheating GAS Adjustments Safety Shut-offDraining the System Limescale Build-up Maintenance Changing the Type of Gas Wiring Diagram for Two Heating Zones Miscellaneous Wiring Diagram for Connection to Ariston Unvented Cylinder Blue B023 B023 B023 Cod 99 84 1260 112 B023 Manufacturer Merloni TermoSanitari SpA Italy