Baxi Potterton 30 HE manual Annual Servicing

Page 36

Spring Clip

Fan and Hood

Assembly

Fig. 57

Electrode

Grommets

Fig. 58

Baffle

Tab

Fig. 56

Threaded

13.0Servicing the Boiler

13.1Annual Servicing (Cont)

11.Ease the front edge of the left hand baffle upwards, disengaging the spring clip. Disengage the tab on the baffle from the slot in the fan hood (Fig. 56).

12.Undo the screws securing the fan and hood to the appliance back panel. Draw the assembly forwards (Fig. 57).

13.Undo the screws securing the burner to the injector manifold. Draw the burner out of the combustion box, pulling the electrode grommets from the slots in the combustion box lower panel (Fig. 58).

14.Disconnect the electrode leads and grommets from the electrodes. Completely remove the burner (Fig. 58).

15.Brush any deposits from the injectors. Do not use a pin or wire to clean them.

16.Brush the burner blades and venturis and clean the combustion box.

17.Ensure that the heat exchanger fins are clear of any obstruction.

NOTE: If necessary the secondary heat exchanger may be dismantled - see section 14.24.

DHW Filters (Fig. 60)

18.

If the flow of domestic hot water is diminished, it

may be necessary to clean the filters.

19.

Initially check the cold water inlet tap filter.

20.

Turn the tap off. Undo the blanking cap and remove

Burner

Cartridge

Body

Filter Gauze

Bush

Fig. 59

the thread bush (Fig. 59).

21.

Extract the filter and rinse thoroughly in clean water.

Reassemble and check the flow. If required clean the

manifold filter as described below.

22.

Undo the filter cartridge from the inlet/return

manifold.

23.

Dismantle the cartridge and carefully remove the

flow regulator and filter gauze. Rinse them thoroughly in

Flow

Regulator

Venturi

Fig. 60

Blanking Cap

Cold Water

 

Inlet Tap

clean water and reassemble in reverse order.

24. Check that the pressure vessel charge is 0.5bar and

reassemble in reverse order of dismantling and

recommission.

25. Turn the selector switch fully anticlockwise against

the spring pressure to the reset position and hold for 2

seconds to reset the boiler.

26. Complete the relevant Service Interval Record

section of the Benchmark Commissioning Checklist at

the rear of this publication and then hand it back to the

36

Inlet/Return Manifold

© Baxi Heating UK Ltd 2007

user.

Page 35 Page 37
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Page 35 Page 37
Contents Installation & Service Instructions Contents Installer Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice, most recent version should be used Safe Manual Handling GeneralPreparation TechniqueIntroduction DescriptionOptional Extras Case Front Panel Control Box Data BadgeGeneral Layout Layout1211 30 31 32 Central Heating Mode Fig Domestic Hot Water Mode FigFrost Protection Mode Appliance OperationTechnical Data Performa 30 HEDimensions and Fixings System Details InformationCentral Heating Circuit BypassSystem Filling and Pressurising Pressure Relief Valve FigDomestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationClearances Figs Ventilation of Compartments Gas SupplyElectrical Supply External termination via internal Condensate DrainPlume Displacement Kit FlueBuilt-in element such as a window frame. See BS 5440 Pt Or DoorFlue Options Horizontal FluesHorizontal Flue Systems This bend is equivalent to 1 metreVertical Flues Twin Pipe Twin & Vertical Flue SystemsMetre for each 91.5 elbow Metre for each 45 elbow 1m extension 45bend 25m 91.5bendFlue Accessories Key Accessory Size5111079 Flue Duct Adaptor Air duct adaptorFor Twin Flue Systems fit the adaptors as follows Flue Dimensions For Roof TerminalsFlue Trim Terminal Guard FigPlume Displacement Plume Displacement Kit bElbow/Plume Outlet Assembly Ring Bracket Metres 60Ø Exhaust Flue Pipe 60Ø SupportDetermining Permissible Lengths 30mm General Fitting NotesMin metres Flue Trim Spigot ScrewPlume Outlet Elbow Installation Initial PreparationFlushing Preparing The BoilerFitting The Boiler Condensate Drain see sectionPressure Relief Valve Discharge Pipe Wall Plate Remove the sealing caps from the boiler connectionsFitting The Flue Wall Thickness Flue Elbow AdaptorWasteY Flue Inner Flue Support Bracket Flue Elbow Vertical FlueMaking The Electrical Connections Preliminary Electrical ChecksCommissioning the Boiler Commissioning the BoilerChecking the Burner Pressure Pressure Test Point Sealing ScrewCompletion CompletionCase Front Panel Facia Panel Servicing the Boiler 13 .1 Annual ServicingAnnual Servicing Pressure Switch Fig Changing ComponentsFan Figs 14.0 Changing Components Heat Exchanger FigBurner Fig Injectors Fig Electrodes FigInsulation Fig Reassemble in reverse orderCentral Heating Temperature Sensor Fig Safety Thermostat FigDHW Temperature Sensor Fig Gas Valve FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Pressure Gauge Figs Expansion Vessel FigCondensate Trap Fig Selector Switch Fig 14.19 P.C.B. FigPlate Heat Exchanger Fig Diverter Valve Assembly Flow Regulator FigsSecondary Heat Exchanger Fig Flue Overheat Thermostat FigIllustrated Wiring Diagram Control PCBFault Finding Microswitch terminals Diverter valve spindle Assembly faultyDomestic Hot Water Follow operational sequence Turn selector to neon illuminatedCheck wiring PCB A4 connector Replace selector Terminals 4 Replace pump PCB A4 connector terminals 3 Replace PCBPCB A2 connector, is Across terminals 5 Replace microswitchPCB A1 connector has 230V AC Turn selector switchTo ‘Reset’ position Gas at burnerON/OFF/RESET selector when turned to ‘Reset’ position Short Parts List Short Parts List131 154GAS Boiler Commissioning Checklist Service Interval Record Potterton
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30 HE specifications

The Baxi Potterton 30 HE is a popular choice among homeowners seeking an efficient and reliable boiler solution. Recognized for its compact design and advanced technologies, this boiler is ideal for various residential heating needs.

One of the standout features of the Baxi Potterton 30 HE is its high efficiency rating, which ensures lower energy consumption and reduced utility bills. With an impressive efficiency of up to 90%, this boiler operates at a much higher capacity compared to older models, making it both environmentally friendly and cost-effective. The 30 HE is particularly well-suited for medium to larger homes with a higher demand for hot water.

The Baxi Potterton 30 HE incorporates a range of innovative technologies aimed at enhancing performance and reliability. The automatic modulation function adjusts the boiler's output according to demand, ensuring that it only works as hard as necessary. This not only prolongs the lifespan of the unit but also maximizes comfort levels in the home.

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The compact dimensions of the Baxi Potterton 30 HE make it easy to install in various locations, whether it be in a kitchen, utility room, or even a loft space. Its lightweight construction further simplifies the installation process, saving both time and labor costs.

In terms of user-friendliness, the boiler is equipped with an intuitive control panel that allows homeowners to easily adjust settings and monitor performance. This user-centric design ensures that even those who may not be technically inclined can manage their heating requirements with ease.

Safety features are also a priority in the design of the Baxi Potterton 30 HE. It includes built-in safety mechanisms such as frost protection and a burner pressure monitoring system, which work to prevent overheating and ensure optimal operation.

Overall, the Baxi Potterton 30 HE is an efficient, reliable, and user-friendly boiler that meets the heating demands of modern homes. Its blend of advanced technologies, compact size, and focus on safety make it a standout choice for homeowners seeking a high-performance heating solution.
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