Ariston A/23 MFFI, A/27 MFFI, 47-116-12, 47-116-10 installation instructions B023

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This procedure must be done as follows:

1 - Remove the air vent intake you want to use, in the area indicated in Fig. 2.8, by breaking the perforated ring.

2 - Use a tool to grasp the lid and remove it completely.

3 - Clean any burrs or sharp edges with a knife or an appropriate tool.

Fig. 2.8

Fig. 2.9

In Fig. 2.10 below, several different types of flue systems are shown.

For additional information regarding the flue accessories, please consult the

Flue Pipe Accessories manual.

Fig. 2.10
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Contents Mffi A/27 Mffi Table of Contents General Information General InstructionsTechnical Information MffiMffi A/27 Mffi Overall ViewInstallation Reference Standards Siting the ApplianceOverall Dimensions ClearancesMounting the Appliance Electrical ConnectionGas Connection Safety Valve Discharge Water ConnectionsPipe Work By-passFlue Connections Mains Water Feed Central HeatingFilling Terminal Position B023 Coaxial System Room Thermostat Connection Electrical Diagram ColoursB023 Water Circuit Diagram Mffi CommissioningInitial Preparation Filling the Heating SystemRemoving the Front Panel Control PanelSelector Knob for Summer/Winter/Flue Analysis Modes Initial Start-up Operational Adjustments Checks to be run before initial start-up are as followsIgnition Failure Circulation FailureOverheating GAS Adjustments Safety Shut-offDraining the System Limescale Build-upMaintenance Changing the Type of GasWiring Diagram for Two Heating Zones MiscellaneousWiring Diagram for Connection to Ariston Unvented Cylinder BlueB023 B023 B023 Cod 99 84 1260 112 B023 Manufacturer Merloni TermoSanitari SpA Italy