Ariston 41-116-07 Removing the overheat thermostat, Removing the frost thermostat

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1.5.6 Removing the overheat thermostat

1.Disconnect the overheat thermostat electrical connections “K1” (FIG. 1.48);

2.Then remove the thermostat from its mounting by releasing the securing clip (FIG. 1.49).

K1

FIG. 1.48

FIG. 1.49

1.5.7 Removing the frost thermostat

1.Disconnect the frost thermostat electrical connection “L1” (FIG. 1.50);

2.Then remove the thermostat from its mounting by releasing the securing clip (FIG. 1.51).

L1

FIG. 1.50

FIG. 1.51

1.5.8 Removing the regulation thermostat

1.Remove the regulation thermostat sensor from its mounting by releasing the securing clip “M1” (FIG. 1.52);

2.Separate the facia panel from the rear of the control panel (see section 1.6.2);

3.Remove the electrical connections “N1 from the regulation thermostat (FIG. 1.53);

4.Pull the regulation knob from the spindle of the thermostat;

5.Remove the thermostat from the control panel facia by unscrewing the mounting screws.

M1

FIG. 1.52

N1

FIG. 1.53

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Contents Installation Instructions Type C Boilers Table of Contents General Information Flue connector Installation Overall Dimensions Supply must be fused at 3 a Residual Head of the Boiler Kent TN9 1RA Morley RoadTonbridge 60/100 mm80 mm Extension Piping not insulated Piping insulated Exhaust Restrictor Maximum Risk of Condensation FormingType SystemsRoom Thermostat Connection A11 Overheat Thermostat GAS and Water Circuits H.W. Storage Cylinder Model Commissioning Domestic HOT Water Priority KITControl Panel Combustion Analysis Turn off the boiler Liquid Butane Gas Liquid Propane Gas G30 G31 GAS AdjustmentsMethane Gas G20 Maintenance Page Manufacturer Merloni TermoSanitari SpA Italy Technical Service Hot Line 01494Technical Information Servicing Instructions Type C Boilers Fault Finding Servicing Instructions Removing the front panelRemoving the sealed chamber front cover Removing the side panelsRemoving the electrodes Removing the combustion coverRemoving the burner and jets Removing the main heat exchanger Removing the air pressure switch Removing the fanGas escaping with an approved soap and water solution Setting the gas pressuresSetting the minimum and the maximum power of the boiler Setting pressure for soft ignitionRegulating the heating power for Propane gas G31 Regulating the heating power for Natural gas G20Regulating the heating power for Butane gas G30 Removing the spark generator Removing the gas valve Removing the automatic air vent 1. Unscrew valve top Z FIG Removing the pump pressure switch Removing the safety valve Removing the pump Removing the pressure gauge Removing the expansion vesselRemoving the regulation thermostat Removing the overheat thermostatRemoving the frost thermostat O1O1 P1 P1 Checking the fuseRemoving the P.C.B.s Fault Finding Finding diagrams described in this chapterYES Mbar Diagrams ElectricalSF008A MicroSYSTEM 21/28 Rffi Ariston B063 Technical Service Hot Line 01494 23 99 84 1550