Baxi Potterton 47-393-41 manual Changing Components, Igniter Fig, Spark and Sensing Electrodes Fig

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Electrode

Leads

Fig. 76

Spark

Electrode

Electrode

Leads

Fig. 77

Bracket

Igniter

Igniter Feed

Plug

Sensing

Electrode

14.0 Changing Components

IMPORTANT: When changing components ensure that both the gas and electrical supplies to the boiler are isolated before any work is started. When the component has been changed turn the selector switch fully anticlockwise against the spring pressure to the reset position and hold for 5 seconds to reset the boiler before recommissioning.

See Section 13.1 “Annual Servicing” for removal of case panel, door etc.

14.1Igniter (Fig. 76)

1.Disconnect the igniter feed plug and the electrode leads, noting their positions.

2.Undo the screw securing the bracket to the boiler.

3.Remove the igniter and transfer the bracket to the new component.

4.Reassemble in reverse order.

14.2Spark and Sensing Electrodes (Fig. 77)

1.Disconnect the electrode leads, noting their positions.

2.Remove the retaining screws securing each of the electrodes to the combustion box cover and remove the electrodes.

3.Check the condition of the sealing gasket and replace if necessary. Reassemble in reverse order.

42© Baxi Heating UK Ltd 2012

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Contents Installation & Service Instructions Natural Gas Potterton TitaniumInstaller Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice refer to the most recent version Preparation Safe Manual HandlingGeneral TechniqueContents Contents of Pack IntroductionDescription Layout Domestic Hot Water Mode Light DisplayGeneral Layout Expansion Vessel Automatic Air VentFrost Protection Mode Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Titanium 24, 28, 33Tap Rail 32.5 mm Condensate Drain 65 mm Dimensions and FixingsOrientation 22mm 15mmCentral Heating Circuit System DetailsInformation BypassSystem Filling and Pressurising Fig Expansion Vessel Central Heating onlyPressure Relief Valve Fig Domestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationAt Least 1.5 7.2 Clearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain 50mm per 500mm minBoiler External runs & those RunMinimum fall InsulationFlue Horizontal Flue Systems Each fitting to aid assemblyFlue Options Horizontal Flues120mm Min Vertical FluesTwin & Vertical Flue Systems ApartFlue Accessories Key Accessory Size Code NoTelescopic Internal Flue Kit Twin Flue Duct Adaptor Twin Flue ConnectionAir Duct Connection Flue Duct Connection Boiler Adaptor Flue Trim Flue DimensionsFor Roof Terminals Terminal Guard FigElbow/Plume Outlet Assembly Plume DisplacementPlume Displacement Kit Fig Ring BracketExample 28/33/40Determining Permissible Lengths Example Flue Lengths OKGeneral Fitting Notes 30mmUsing a suitable bit e.g mm, drill through Elbow to allow the flue to be installed as shown60Ø extension piece. It must be secured using two Extension and outlet. Secure using two of the screwsFlushing InstallationUnpacking & Initial Preparation After considering the site requirementsFitting the Filling Loop Kit Fitting The Boiler Fitting the Pressure Relief Discharge Pipe FigCondensate Drain see section Ensure Elbow is fully engaged into Boiler Adaptor Fitting The FlueWall Thickness Flue Elbow Wall Thickness Waste FlueInner Flue Support Bracket 25mm Extension Cut EndEnsure Extension is fully engaged into Boiler Adaptor Making The Electrical Connections Preliminary Electrical ChecksCommissioning the Boiler Selector Switch DisplayCommissioning Screw Pump Automatic Air VentPressure Setting the Timer Completion CompletionCase Front Panel Facia Panel Servicing 13 .1 Annual ServicingAnnual Servicing Inspection 10 ±1 Burner Sensing ElectrodeViewing Window Changing Components Igniter FigSpark and Sensing Electrodes Fig Injector Fig Fan FigVenturi Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Fig Insulation FigBurner Gasket Extension Piece DHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Pressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Fig Plate Heat Exchanger FigSelector Switch Fig 14.22 P.C.B. FigThrottle Adjustment Screw Gas Valve FigExpansion Vessel Fig Flue Adaptor Test Point Plug Analyser Probe Setting the Gas ValveSetting the Gas Valve CO2 check ThrottleIllustrated Wiring Diagram Electrical306 Short Parts ListShort Parts List 302Fault Finding Initial Fault Finding ChecksError Codes Reset position for 5 seconds Error 133 flashingGo to section ‘A’ Turn the selector switch to Pump runsTurn Domestic Hot Water Turn selector switch toError 133 flashing Go to section ‘I’ Open DHW tap fullyFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Replace waterGas at burner Check wiring Viewing WindowReplace sensor or PCB E28 Replace gas valveReplace safety thermostat Replace PCB Is there 230V atReplace sensor Page Page GAS Boiler System Commissioning Checklist Service Record Potterton

47-393-40, 47-393-41, 47-393-39, 47-393-42 specifications

The Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 are models of high-efficiency gas boilers designed for residential heating. These models are well-known for their reliability, advanced technology, and user-friendly features, making them a popular choice among homeowners looking to improve their heating systems.

One of the standout features of these models is their energy efficiency. Each unit is engineered to comply with stringent energy-saving regulations, significantly reducing utility bills while maintaining optimal heating performance. They are rated with impressive efficiency ratings, which can lead to long-term savings and a reduced carbon footprint.

The Baxi Potterton range employs a heat exchanger system designed to maximize heat transfer and minimize energy waste. This sophisticated technology ensures that the boiler operates at peak efficiency, providing ample heating for homes even in the coldest months. The use of a durable, high-quality heat exchanger material contributes to the longevity of the unit, reducing the need for frequent repairs or replacements.

Ease of use is another hallmark of the 47-393 series. With an intuitive digital display, users can effortlessly monitor and adjust settings as required. The controls are straightforward, allowing for quick temperature adjustments, system diagnostics, and alerts, creating a hassle-free experience for homeowners.

Safety features are inherent in these models, including built-in safeguards against overheating and pressure fluctuations. The automatic shut-off mechanism ensures that the boiler operates within safe parameters, providing peace of mind to users.

Furthermore, maintenance is simplified with the easy access design. The accessible components make it straightforward for service technicians to perform routine checks and repairs. Regular maintenance is essential for sustaining high performance and extending the lifespan of the boiler.

In conclusion, the Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 models represent a blend of efficiency, safety, and convenience. Their advanced technologies and features not only enhance the user experience but also contribute to more sustainable heating solutions for homes. Investing in one of these advanced boilers ensures reliable performance, lower energy costs, and a commitment to environmental responsibility.
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