Baxi Potterton Condensing Combination Boiler manual Plate Heat Exchanger Fig

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Plate Heat Exchanger

LH Location Stud

Fig. 94

Rubber Seal

Motor Unit

Multi-pin Plug

Retaining Clip

Valve

Assembly

Fig. 95

Pressure Sensor

14.0Changing Components

14.20Plate Heat Exchanger (Fig. 94)

1.Drain the boiler primary circuit and remove the gas valve as described in section 14.24.

2.While supporting the heat exchanger undo the screws securing it to the brass manifolds.

3.Withdraw the heat exchanger upwards, taking care not to damage any wires or controls.

Seals

4.There are four rubber seals between the manifolds and heat exchanger which may need replacement.

5.Ease the seals out of the manifold. Replace carefully, ensuring that when the seal is inserted into the manifold it is parallel and pushed fully in.

6.When fitting the new heat exchanger note that the left hand location stud is offset towards the centre more than the right hand one.

7.Reassemble in reverse order.

14.21Diverter Valve - Motor Unit & Assembly (Fig. 95)

1.To replace the motor unit, disconnect the multi-pin plug.

2.Pull off the retaining clip and remove the motor unit.

3.The motor unit can now be replaced, or the valve assembly removed.

4.Drain the primary circuit and draw off any hot water once the isolating taps are closed.

5.Undo the nuts on the tap rail under the boiler. Remove the screws securing the valve assembly to the boiler bottom panel and plate heat exchanger.

6.Remove the valve assembly. Examine any seals or washers, replacing if necessary. Transfer the DHW NTC to the new valve and reassemble in reverse order.

© Baxi Heating UK Ltd 2012

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Contents Installation & Service Instructions 0086 Scheme Members only Installer Notification GuidelinesImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice refer to the most recent version General Safe Manual HandlingPreparation TechniqueContents Introduction Contents of PackDescription Optional ExtrasLayout General LayoutDomestic Hot Water Mode Fig Central Heating Mode FigFrost Protection Mode Appliance OperationHeatmax Combi 24, 28 Technical DataDimensions and Fixings Information System DetailsCentral Heating Circuit BypassSafety Pressure Relief Valve Fig System Filling and PressurisingExpansion Vessel Central Heating only Domestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationClearances Figs Ventilation of Compartments Site RequirementGas Supply Electrical SupplyCondensate Drain 500mm min 50mm perMinimum fall RunFlue Plume Displacement KitBelow windows or openings on pitched roofs 2000 Likely flue positions requiring a flue terminal guardHorizontal Flues Flue OptionsHorizontal Flue Systems This bend is equivalent to 1 metreVertical Flue Systems Vertical FluesRoof Terminal This bend is equivalent to 1 metre Metre for each 91.5 bend Metre for each 135 bendKey Accessory Size Code No Flue AccessoriesFor Roof Terminals Flue DimensionsFlue Trim Terminal Guard FigPlume Displacement Kit Fig Plume DisplacementDetermining Permissible Lengths 28/33Example 512136830mm General Fitting Notes60Ø extension piece. It must be secured using two Elbow to allow the flue to be installed as shownUsing a suitable bit e.g mm, drill through Extension and outlet. Secure using two of the screwsUnpacking & Initial Preparation InstallationFlushing After considering the site requirementsCondensate Drain see section Fitting The BoilerWall Thickness Flue Elbow Fitting The FlueEnsure Elbow is fully engaged into Boiler Adaptor WasteY FlueInner Flue Support Bracket 25mm Extension Cut EndEnsure Extension is fully engaged into Boiler Adaptor Making The Electrical Connections Preliminary Electrical ChecksTerminal Block Cover Cable Clamp Commissioning the Boiler CommissioningSelector Switch Display Check the Operational Working Gas Inlet PressureGas Valve Completion CompletionCase Front Panel Facia Panel Servicing Annual ServicingAnnual Servicing Inspection Fan, Collector and Cover Assembly Threaded Bush Electrode Leads Venturi InjectorRestricter Filter Hall Effect Sensor Changing Components Igniter FigSpark and Sensing Electrodes Fig Venturi Fig Fan FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorInsulation Fig Burner FigSafety Thermostat Fig Central Heating Temperature Sensor NTC FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Hall Effect Sensor Fig Pressure Gauge FigsPlate Heat Exchanger Fig Diverter Valve Motor Unit & Assembly Fig14.22 P.C.B. Fig Selector Switch FigExpansion Vessel Fig Gas Valve FigSetting the Gas Valve CO2 check Setting the Gas ValveElectrical Illustrated Wiring DiagramShort Parts List Short Parts List306 302Fault Finding Initial Fault Finding ChecksError Codes Go to section ‘A’ Turn the selector switch to Error 133 flashingReset position for 5 seconds Pump runsTurn Domestic Hot Water Error 133 flashing Go to section ‘I’Open DHW tap fully Close DHW tapSwitch terminal PCB X3 connector terminals 3Fan jammed or faulty winding Replace PCB Replace waterGas at burner Replace sensor or PCB E28Replace gas valve Terminals 1Replace safety thermostat Replace PCB Is there 230V atReplace sensor Page GAS Boiler System Commissioning Checklist Service Record Brooks House, Coventry Road, Warwick. CV34 4LL

Condensing Combination Boiler specifications

The Baxi Potterton Condensing Combination Boiler is a sophisticated heating solution designed to meet the demands of modern households while promoting energy efficiency. This state-of-the-art boiler combines both heating and hot water capabilities into a compact unit, making it an ideal choice for homes with limited space.

One of the standout features of the Baxi Potterton Condensing Combination Boiler is its impressive energy efficiency. With a high energy efficiency rating, these boilers can significantly reduce energy bills and minimize carbon footprints. The condensing technology maximizes heat recovery, allowing the boiler to utilize heat that would otherwise be lost in traditional systems. By extracting more energy from the combustion process, homeowners can enjoy reliable heating and hot water without the typical energy waste associated with older boilers.

The Baxi Potterton range is engineered for easy installation and maintenance, featuring a lightweight design that simplifies the fitting process. The built-in digital control system allows homeowners to easily adjust settings for optimal comfort and energy usage. Additionally, the boiler includes a frost protection feature, making it a reliable option for homes in colder climates.

Another key characteristic of the Baxi Potterton Condensing Combination Boiler is its powerful hot water delivery system. The combination boiler provides instant hot water on demand, eliminating the need for a separate water tank. This ensures that households have a constant supply of hot water for showers, cooking, and other domestic needs, without long wait times.

Safety is a top priority with the Baxi Potterton. The boiler is equipped with multiple safety features, including pressure relief valves and safety cut-off systems, ensuring peace of mind for homeowners. The compact design further includes a quiet operation feature, which is particularly beneficial for households where noise levels need to be kept to a minimum.

In summary, the Baxi Potterton Condensing Combination Boiler is a highly efficient, compact, and user-friendly solution for home heating and hot water needs. With its advanced technology and strong emphasis on safety, it stands out as a reliable choice for modern households looking to improve energy efficiency while maintaining comfort. Whether you are replacing an old boiler or installing a new system, the Baxi Potterton offers a perfect blend of practicality and innovation.
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