Baxi Potterton Condensing Combination Boiler manual 14.22 P.C.B. Fig, Selector Switch Fig

Page 46

Control Box Cover

Fig. 97

P.C.B.

Selector

Switch

Facia

Selector Switch Knob

Fig. 98

14.0Changing Components

14.22P.C.B. (Fig. 98)

1. Note the settings of the temperature control knobs, rotate them fully anticlockwise and carefully pull them off the drive pins.

2. Completely undo the screws securing the control box cover and release the cover retaining barbs from their slots. Disengage the rear of the cover from the control box hinge pin (Fig. 97).

3. Note the position of all plugs and wires on the P.C.B. and disconnect them.

 

4.

Undo the securing screws and remove the P.C.B. Transfer

 

the control knob drive pins to the new P.C.B. and turn them

 

fully anticlockwise.

 

5.

Reassemble in reverse order, ensuring that the

 

temperature controllers are reset to their previous positions.

 

14.23 Selector Switch (Fig. 98)

 

1.

Note the setting of the selector switch knob and carefully

 

pull it off the facia.

Drive Pins

2. Completely undo the screws securing the control box

 

cover and release the cover retaining barbs from their slots.

 

Disengage the rear of the cover from the control box hinge

 

pin (Fig. 97).

 

3.

Note the position of the electrical connections and the

 

orientation of the switch. Remove the electrical connections.

 

4.

Remove the screws securing the switch to the facia panel.

 

5.

Fit the new switch, ensuring that it is correctly positioned

 

and reassemble in reverse order.

Temperature Control

Knobs

 

46© Baxi Heating UK Ltd 2012

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Contents Installation & Service Instructions 0086 Installer Notification Guidelines Scheme Members onlyLegislation Important Installation, Commissioning, Service & RepairCodes of Practice refer to the most recent version Preparation Safe Manual HandlingGeneral TechniqueContents Description Contents of PackIntroduction Optional ExtrasGeneral Layout LayoutFrost Protection Mode Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Heatmax Combi 24, 28Dimensions and Fixings Central Heating Circuit System DetailsInformation BypassSystem Filling and Pressurising Safety Pressure Relief Valve FigExpansion Vessel Central Heating only Showers Domestic Hot Water Circuit FigHard Water Areas Location Site RequirementsClearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain 50mm per 500mm minRun Minimum fallBelow windows or openings on pitched roofs 2000 Plume Displacement KitFlue Likely flue positions requiring a flue terminal guardHorizontal Flue Systems Flue OptionsHorizontal Flues This bend is equivalent to 1 metreRoof Terminal This bend is equivalent to 1 metre Vertical FluesVertical Flue Systems Metre for each 91.5 bend Metre for each 135 bendFlue Accessories Key Accessory Size Code NoFlue Trim Flue DimensionsFor Roof Terminals Terminal Guard FigPlume Displacement Plume Displacement Kit FigExample 28/33Determining Permissible Lengths 5121368General 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 Boiler Condensate Drain see sectionEnsure Elbow is fully engaged into Boiler Adaptor Fitting The FlueWall Thickness Flue Elbow WasteY Flue25mm Extension Cut End Inner Flue Support BracketEnsure Extension is fully engaged into Boiler Adaptor Preliminary Electrical Checks Making The Electrical ConnectionsTerminal Block Cover Cable Clamp Commissioning Commissioning the BoilerCheck the Operational Working Gas Inlet Pressure Selector Switch DisplayGas Valve Completion CompletionCase Front Panel Facia Panel Annual Servicing ServicingAnnual Servicing Inspection Electrode Leads Venturi Injector Fan, Collector and Cover Assembly Threaded BushRestricter Filter Hall Effect Sensor Igniter Fig Changing ComponentsSpark and Sensing Electrodes Fig Injector Fig Fan FigVenturi Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Fig Insulation FigDHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Complete Fig Pump Head Only 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. FigGas Valve Fig Expansion Vessel FigSetting the Gas Valve Setting the Gas Valve CO2 checkIllustrated Wiring Diagram Electrical306 Short Parts ListShort Parts List 302Initial Fault Finding Checks Fault FindingError Codes Reset position for 5 seconds Error 133 flashingGo to section ‘A’ Turn the selector switch to Pump runsOpen DHW tap fully Error 133 flashing Go to section ‘I’Turn Domestic Hot Water Close DHW tapFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Replace waterReplace gas valve Replace sensor or PCB E28Gas at burner Terminals 1Replace PCB Is there 230V at Replace safety thermostatReplace 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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