Baxi Potterton 24 Eco HE manual 12.18 P.C.B. Fig, Selector Switch Fig

Page 35

12.0 CHANGING COMPONENTS

12.17Pressure Relief Valve (Fig. 65)

1.Drain the primary circuit.

2.Disconnect the discharge pipe from the valve. Using a suitable hexagon key undo the grub screw sufficiently to release the valve.

3.Note the orientation of the valve, rotate it and withdraw it from the manifold.

4.Fit the new valve and ‘O’ ring seal and set to the previously noted orientation. Reassemble in reverse order.

12.18P.C.B. (Fig. 67)

1.Note the settings of the temperature control knobs. Rotate the knobs fully anticlockwise and 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. 66).

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

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

5.Reassemble in reverse order, ensuring that the temperature controllers are reset to their previous positions.

12.19Selector Switch (Fig. 67)

‘O’ ring seal

Grub Screw

Pressure Relief Valve

Fig. 65

Discharge Pipe

Fig. 66

Control Box Cover

P.C.B.

1.Note the setting of the selector switch knob and carefully pull it off the facia.

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. 66).

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.

Selector

Switch

Facia

Selector Switch Knob

Drive Pins

Fig. 67

Temperature Control Knobs

Publication No. 5111811

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Contents Performa Contents Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairOptional Extras IntroductionDescription Layout General LayoutCentral Heating Circuit Key Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Left Hand Side 130mm Boiler Dimensions and FixingsGas Inlet 68mm 95mm 65mmBypass System DetailsInformation Central Heating CircuitPressure Relief Valve Fig System Filling and PressurisingExpansion Vessel Central Heating only Hard Water Areas Domestic Hot Water CircuitShowers Location Site RequirementsElectrical Supply Ventilation of CompartmentsGas Supply Condensate Drain Likely flue positions requiring Flue terminal guard FlueMaximum permissible flue length is 4 metres Flue DimensionsFlue Trim Terminal Guard FigFlue Options Horizontal Flues Vertical Twin PipePreparing The Boiler InstallationInitial Preparation FlushingFitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerFitting The Flue Condensate Drain see sectionVertical Flue Preliminary Electrical Checks Functional Flow DiagramKey to Wiring Making The Electrical ConnectionsCommissioning the Boiler CommissioningChecking the Burner Pressure Adjusting the Pressure FigCompletion Completion11 .1 Annual Servicing Servicing the BoilerInlet / Return Manifold Annual ServicingW. Filters Fig Changing Components Pressure Switch FigBurner Fig Heat Exchanger FigInsulation Fig Injectors FigElectrodes Fig Gas Valve Fig Temperature Sensor FigSafety Thermostat Fig Automatic Air Vent Fig Pump Head Only FigsPump Complete Figs Condensate Trap Fig Pressure Gauge FigsExpansion Vessel Fig 12.18 P.C.B. Fig Selector Switch FigDHW Pressure Differential Valve Fig Diverter Valve Assembly FigPlate Heat Exchanger Fig SealsCH Pressure Differential Valve Fig Diverter Valve AssemblyCH Pressure Microswitch Fig Flow Regulator FigsFlue Overheat Thermostat Fig Secondary Heat Exchanger FigControl PCB Illustrated Wiring DiagramElectrical Short Parts List Short Parts ListOperation sequence Correct Fault FindingCarry out initial fault finding checks Operation sequence Fault Finding Solutions Sections a to E Fault Finding PCB GAS Boiler Commissioning Checklist Service 7 Date Service 1 DateService 3 Date Service 5 DateLiterature Request GB Service GBGeneral Enquiries GB Technical GB

24 Eco HE specifications

The Baxi Potterton 24 Eco HE is a highly efficient and reliable boiler designed to meet the heating and hot water needs of modern homes. This wall-mounted combination boiler is particularly suited for smaller properties, providing a compact solution without compromising on performance.

One of the standout features of the Baxi Potterton 24 Eco HE is its high efficiency rating. It boasts an impressive ErP A-rating for both heating and hot water, which indicates that it is designed to minimize energy consumption and reduce utility bills. The condensing technology employed in this boiler recovers heat from flue gases that would otherwise be lost, optimizing the overall energy use and enhancing its eco-friendly credentials.

The Baxi Potterton 24 Eco HE also incorporates an intelligent control system, allowing homeowners to manage their heating settings more effectively. The built-in digital display is user-friendly, providing easy access to information such as system pressure and temperature settings. This feature facilitates easy programming of heating schedules, helping to ensure comfort while optimizing energy use.

Another characteristic of the Baxi Potterton 24 Eco HE is its impressive hot water output. With a hot water flow rate of up to 10.2 liters per minute, it ensures that showers and taps can be used simultaneously without running out of hot water. This makes it an excellent choice for families or households where demand for hot water is high.

Furthermore, the compact design of the Baxi Potterton 24 Eco HE allows for flexible installation options. Its reduced size means it can fit easily in kitchen cupboards or other confined spaces, making it ideal for homes where space is at a premium.

The boiler is equipped with a low-energy pump and a built-in frost protection feature, ensuring reliable operation even in colder climates. Additionally, its quiet operation contributes to a more comfortable living environment.

In summary, the Baxi Potterton 24 Eco HE is an efficient, compact, and powerful boiler that caters to the demands of modern living. With features such as high efficiency, intelligent controls, impressive hot water delivery, and flexible installation options, it stands out as a top choice for homeowners seeking a dependable and eco-friendly heating solution. This boiler is a testament to Baxi's commitment to delivering quality and innovation in the heating sector.
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