Ariston 41-116-04 Removing the pressure gauge, Removing the expansion vessel

Page 33

1.5.5 Removing the pressure gauge

1.Remove the U-clip “G1” and remove the pressure gauge coupling (FIG. 1.42);

2.Push the pressure gauge through the control panel from the rear (FIG. 1.43).

G1

FIG. 1.42

FIG. 1.43

1.5.6 Removing the expansion vessel

1.Release nuts “H1” and remove the gas pipe (FIG. 1.44);

2.Release nut “I1” (FIG. 1.45);

3.Remove lock-nut “J1” (FIG. 1.46);

4.Remove the expansion vessel (FIG. 1.47).

H1

H1

FIG. 1.44

 

I1

FIG. 1.45

J1

FIG. 1.46

FIG. 1.47

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Image 33 Contents
Installation Instructions Type C Boilers Table of Contents General Instructions Installation Overall ViewReference Standards Siting the Appliance Overall DimensionsClearances Mounting the Appliance Electrical ConnectionWater Connections GAS ConnectionResidual Head of the Boiler Tower Flue Components Flue ConnectionsRoom Thermostat Connection RffiOn/Off Switch Electrical DiagramGAS and Water Circuits H.W. Storage Cylinder 2 Port and 3 Port Valve InstallationsModel Commissioning Domestic HOT Water Priority KITInitial Preparation Removing the Front Panel Control PanelFume Discharge Monitoring Initial START-UP Combustion AnalysisBoiler Safety Systems Draining the System GAS Adjustments RffiChanging the Type of GAS Maintenance Number 41-116-04 Technical InformationServicing Instructions Type C Boilers Fault Finding To Gain General Access Replacement of PartsServicing Instructions Removing the front panelRemoving the side panels Removing the sealed chamber front coverRemoving the combustion cover Access to the Combustion ChamberRemoving the burner and jets Removing the electrodesRemoving the main heat exchanger Removing the fan Removing the air pressure switchServicing and Removal of the GAS Valve Setting the gas pressures Rffi Removing the gas valve Removing the spark generatorRemoving the safety valve Removing the pump pressure switchAccess to the Water Circuit Removing the automatic air vent 1. Unscrew valve top Z FIGRemoving the pump Removing the expansion vessel Removing the pressure gaugeRemoving the overheat thermostat Removing the frost thermostatRemoving the regulation thermostat Access to the Control System Checking the fuseRemoving the P.C.B.s Fault Finding Fault Finding GuideFlow -CHARTS YES Mbar Electrical DiagramsSF008A MicroSYSTEM 10 Rffi Ariston B063 Technical Service Hot Line 01494 23 99 84 1582