Ariston 47-116-15 installation instructions Removing the air pressure switch, Removing the fan

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Removing the air pressure switch

1.Disconnect the electrical connections “K” and silicon pipes “L” from their connection points (FIG. 1.20);

2.Remove screws “M” on the top of the sealed chamber (FIG. 1.21);

3.Unscrew to remove switch from the plate (FIG. 1.22).

FIG. 1.20

K

L

90.tif

FIG. 1.21

M

M

91.tif

FIG. 1.22

Removing the fan

1.Disconnect electrical connections “N” and silicon pipes “O” (FIG.1.23);

2.Remove screw “P” and remove the fan collar clamp “Q” (FIG.1.24);

3.Remove screws “R” (FIG.1.25);

4.Remove fan and mounting plate (FIG.1.26).

FIG. 1.23

N

N

O

93.tif

Q

P

94.tif

FIG. 1.24

R R

95.tif

FIG. 1.25

FIG. 1.26

96.tif

B063

7

Image 31
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 Tonbridge Morley RoadKent TN9 1RA 80 mm Extension Piping not insulated Piping insulated Restrictor Extension Piping not insulated Piping insulatedSystems Restrictor No RestrictorCalculating the lengths of the pipes, Electrical Diagram Central Heating Return Commissioning Control Panel Initial START-UP Operational Adjustments Status ANTI-FROST Device 16.0 GAS AdjustmentsMethane Liquid Gas Butane G20 Gas G30Maintenance Boiler MiscellaneousProgrammer Technical Information Technical Service Hot Line 01494Manufacturer Merloni TermoSanitari SpA Italy Servicing Instructions Type C Boilers Fault Finding Removing the front panel Servicing InstructionsRemoving the side panels Removing the sealed chamber frontal coverRemoving the burner and jets Removing the combustion coverRemoving the electrodes Removing the main heat exchanger Removing the fan Removing the air pressure switchSetting pressure for soft ignition Setting the gas pressuresSetting the minimum and the maximum power of the boiler Setting the maximum heating circuit powerRegulating the heating power for Butane gas G30 Regulating the heating power for Natural gas G20Regulating the heating power for Propane gas G31 Removing the spark generator Removing the D.H.W. secondary exchanger Removing the gas valveRemoving the main circuit flow switch Removing the safety valveRemoving the automatic air vent Removing the pump Removing the expansion vessel Removing the pressure gaugeRemoving the overheat thermostat Removing the D.H.W. temperature sensor N.T.CRemoving the heating temperature sensor N.T.C Removing the D.H.W. flow switchRemoving 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