Baxi Potterton Gold HE A Range manual Burner Fig, Insulation Fig, Extension Piece

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Extension Piece

(24 & 28 models)

Fig. 85

Spark

Electrode

Electrode

Leads

Cover

Burner

Gasket

Venturi

Collector

Heat

Exchanger

Rear

Insulation

Venturi

Cover

Insulation

Seal

Fig. 86

Collector

Sensing

Electrode

14.0Changing Components

14.6Burner (Fig. 85)

1.Undo the screws securing the collector to the cover and venturi. (On 24 & 28 models there is an extension piece fitted to the cover, remove this also).

2.Withdraw the burner from the cover and replace with the new one.

3.Examine the gasket, replacing if necessary.

4.Reassemble in reverse order.

14.7Insulation (Fig. 86)

1.Remove the electrode leads, noting their positions. Also remove the electrodes as described in section 14.2.

2.Undo the screws securing the collector to the venturi and the nuts holding the cover to the heat exchanger. Draw the collector and cover assembly away.

3.Remove the cover insulation piece.

4.Fit the new insulation carefully over the burner and align it with the slots for the electrodes.

5.The rear insulation is retained by a screw and large washer, remove these and draw the insulation out of the heat exchanger.

6.Examine the cover seal and replace if necessary.

42© Baxi Heating UK Ltd 2008

Image 42

Contents Installation & Service Instructions Natural Gas BS-EN ISO 9001 Accredited CompanyInstaller 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 General Layout LayoutFrost Protection Mode Appliance OperationPump Protection Technical Data Gold Combi 24, 28 & 33 HE aFlue Ø 100mm Tap 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 LocationClearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain Flue Flue terminal guardHorizontal Flue Systems Flue OptionsHorizontal Flues This bend is equivalent to 1 metreMetre for each 91.5 bend Vertical Flues Twin PipeTwin & Vertical Flue Systems Metre for each 135 bend This bend is equivalent to 1 metreFlue Accessories Key Accessory Size Code No5111079 Flue Duct Adaptor Air duct adaptorFor Twin Flue Systems fit the adaptors as follows Flue Trim Flue DimensionsFor Roof Terminals Flue Deflector FigPlume Displacement Plume Displacement Kit FigMetres Ring Adaptor Determining Permissible Lengths Additional Accessories Elbow 5121369 Elbow Pair 512137028/33 Example30mm Shown in . Complete the installation of the 60ØGeneral Fitting Notes Exhaust, securing in the bracketsPlume Outlet Elbow Installation Unpacking & Initial PreparationFlushing Double Check Valve Stop Valve Temporary Filling Loop Loop and valves must be connected as shown in the diagram aFitting the Filling Loop Hose Fitting Cold Inlet Stop ValveCondensate Drain see section Fitting The BoilerFitting the Pressure Relief Discharge Pipe Fig Tighten all the connectionsFlue Elbow Fitting The FlueWall Thickness Waste Ensure Elbow is fully Engaged into BoilerInner Flue Support Bracket Ensure Flue is fully Engaged into Flue ElbowEnsure Extension is Fully engaged into Boiler Adaptor Terminal Block Cover Making The Electrical ConnectionsPreliminary Electrical Checks Cable ClampCommissioning the Boiler Selector Switch DisplayCommissioning Heat Exchanger Automatic Air Vent Screw PumpTemperature Control CheckingSetting the Timer Completion CompletionCase Front Panel Facia Panel Servicing 13 .1 Annual ServicingAnnual Servicing BurnerViewing 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 FigExtension Piece DHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Complete Fig Heat Exchanger Automatic Air Vent FigPump Head Only Fig Automatic Air Vent FigPressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Figs Plate Heat Exchanger FigCompletely undo the screws securing the control box Selector Switch Fig14.20 P.C.B. Fig Pin FigGas Valve Fig Expansion Vessel FigVenturi Inlet Pipe Temperature Control Selector Switch Display Combustion CheckChecking the CO2 Illustrated Wiring Diagram ElectricalShort Parts List Short Parts ListKey Description Manufacturers Fault Finding Initial Fault Finding ChecksError Codes Display illuminates Error 133 flashingReset position for 5 seconds Pump runsTurn Domestic Hot Water Error 110 flashingDomestic Hot Water Follow operational sequence Open DHW tap fullyFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Is there 230V at Main terminals L and N Main terminal fuseTerminals 1 Gas at burnerReplace gas valve Ensure that the Hall Effect Sensor is in positionReplace safety thermostat Replace PCB Is there 230V atReplace heat exchanger GAS Boiler Commissioning Checklist Service Interval Record Brooks House, Coventry Road, Warwick. CV34 4LL UK Comp No 5116282 Iss 7 4/08