Manuals / Ariston / Household Appliance / Boiler

Ariston A/27 MFFI, A/23 MFFI, 47-116-12, 47-116-10 installation instructions Mffi A/27 Mffi

Models: A/27 MFFI 47-116-10 47-116-12 A/23 MFFI

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A/23 MFFI - A/27 MFFI

G.C.N. 47-116-10 / 47-116-12

Installation Instructions

Type C Boilers

LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER

Country of destination: GB

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Ariston A/27 MFFI, A/23 MFFI, 47-116-12, 47-116-10 installation instructions Mffi A/27 Mffi

Contents

Mffi A/27 Mffi Table of Contents General Instructions General InformationMffi Technical InformationOverall View Mffi A/27 MffiReference Standards Siting the Appliance InstallationClearances Overall DimensionsElectrical Connection Mounting the ApplianceGas Connection Water Connections Safety Valve DischargePipe Work By-passMains Water Feed Central Heating Flue ConnectionsFilling Terminal Position B023 Coaxial System Room Thermostat Connection Colours Electrical DiagramB023 Mffi Commissioning Water Circuit DiagramInitial Preparation Filling the Heating SystemControl Panel Removing the Front PanelSelector Knob for Summer/Winter/Flue Analysis Modes Checks to be run before initial start-up are as follows Initial Start-up Operational AdjustmentsCirculation Failure Ignition FailureOverheating Safety Shut-off GAS AdjustmentsDraining the System Limescale Build-upChanging the Type of Gas MaintenanceMiscellaneous Wiring Diagram for Two Heating ZonesBlue Wiring Diagram for Connection to Ariston Unvented CylinderB023 B023 B023 Manufacturer Merloni TermoSanitari SpA Italy Cod 99 84 1260 112 B023