Mffi A/27 Mffi | Ariston A/27 MFFI instruction

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 Information Mffi Technical Information Overall View Mffi A/27 Mffi Reference Standards Siting the Appliance Installation Clearances Overall Dimensions Electrical Connection Mounting the ApplianceGas Connection Water Connections Safety Valve DischargePipe Work By-pass Mains Water Feed Central Heating Flue ConnectionsFilling Terminal Position B023 Coaxial System Room Thermostat Connection Colours Electrical Diagram B023 Mffi Commissioning Water Circuit DiagramInitial Preparation Filling the Heating System Control 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 Adjustments Circulation Failure Ignition FailureOverheating Safety Shut-off GAS AdjustmentsDraining the System Limescale Build-up Changing the Type of Gas Maintenance Miscellaneous Wiring Diagram for Two Heating Zones Blue Wiring Diagram for Connection to Ariston Unvented Cylinder B023 B023 B023 Manufacturer Merloni TermoSanitari SpA Italy Cod 99 84 1260 112 B023