Baxi Potterton 30 HE manual Changing Components, Heat Exchanger Fig, Burner Fig

Page 38

Pipe Connecting

Clips

Heat Exchanger

 

14.0

Changing Components

 

 

 

 

 

 

 

 

 

 

14.3

 

Heat Exchanger (Fig. 64)

1.

Remove the fan as described in section 14.1.

2.

Drain the primary circuit. Prise the three pipe

connecting clips off the joints in the flow and return

pipes. Remove the heat exchanger return pipe.

3.

Lift the heat exchanger to disconnect the flow pipe

joint. Withdraw it from the appliance, taking care not to

damage the rear insulation piece.

Flow Pipe

Heat Exchanger

Electrodes

Electrode

Grommets

Electrode

Leads

Return Pipe

Fig. 64

Burner

Fig. 65

4.

Fit the new heat exchanger.

5.

Reassemble in reverse order of dismantling, and

repressurise the system.

 

 

 

 

 

14.4

Burner (Fig. 65)

1.Remove the four screws securing the combustion box door and remove the door.

2.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.

3.Disconnect the electrode leads and grommets from the electrodes. Completely remove the burner.

4.Undo the screws securing the electrodes to the burner. Examine the condition of the electrodes, replacing if necessary. Fit the electrodes to the new burner.

5.Engage the burner location brackets over the studs on the injector manifold and reassemble in reverse order.

38© Baxi Heating UK Ltd 2007

Page 37 Page 39
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Page 37 Page 39
Contents Installation & Service Instructions Contents Installer Notification Guidelines Scheme Members onlyCodes of Practice, most recent version should be used Important Installation, Commissioning, Service & RepairLegislation Preparation Safe Manual HandlingGeneral TechniqueOptional Extras IntroductionDescription Case Front Panel Control Box Data Badge1211 30 31 32 General LayoutLayout Frost Protection Mode Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Performa 30 HEDimensions and Fixings Central Heating Circuit System DetailsInformation BypassSystem Filling and Pressurising Pressure Relief Valve FigHard Water Areas Domestic Hot Water Circuit FigShowers Clearances Figs Site RequirementsLocation Electrical Supply Ventilation of CompartmentsGas Supply External termination via internal Condensate DrainBuilt-in element such as a window frame. See BS 5440 Pt Plume Displacement KitFlue Or DoorHorizontal Flue Systems Flue OptionsHorizontal Flues This bend is equivalent to 1 metreMetre for each 91.5 elbow Metre for each 45 elbow Vertical Flues Twin PipeTwin & Vertical Flue Systems 1m extension 45bend 25m 91.5bend5111079 Flue AccessoriesKey Accessory Size For Twin Flue Systems fit the adaptors as follows Flue Duct AdaptorAir duct adaptor Flue Trim Flue DimensionsFor Roof Terminals Terminal Guard FigElbow/Plume Outlet Assembly Plume DisplacementPlume Displacement Kit b Ring Bracket Metres 60Ø Exhaust Flue Pipe 60Ø SupportDetermining Permissible Lengths Min metres Flue Trim Spigot 30mmGeneral Fitting Notes ScrewPlume Outlet Elbow Flushing InstallationInitial Preparation Preparing The BoilerPressure Relief Valve Discharge Pipe Wall Plate Fitting The BoilerCondensate Drain see section 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 ScrewCase Front Panel Facia Panel CompletionCompletion Servicing the Boiler 13 .1 Annual ServicingAnnual Servicing Fan Figs Pressure Switch FigChanging Components Burner Fig 14.0 Changing ComponentsHeat Exchanger Fig Insulation Fig Injectors FigElectrodes Fig Reassemble in reverse orderDHW Temperature Sensor Fig Central Heating Temperature Sensor FigSafety Thermostat Fig Gas Valve FigAutomatic Air Vent Fig Pump Head Only FigPump Complete Fig Condensate Trap Fig Pressure Gauge FigsExpansion Vessel 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 Domestic Hot Water Follow operational sequence Microswitch terminalsDiverter valve spindle Assembly faulty Turn selector to neon illuminatedPCB A2 connector, is Check wiring PCB A4 connector Replace selector Terminals 4Replace pump PCB A4 connector terminals 3 Replace PCB Across terminals 5 Replace microswitchTo ‘Reset’ position PCB A1 connector has 230V ACTurn selector switch Gas at burnerON/OFF/RESET selector when turned to ‘Reset’ position 131 Short Parts ListShort Parts List 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.

Another feature of the 30 HE is its low noise operation. This boiler has been specifically designed to minimize sound, allowing it to operate quietly in the background without disturbing daily activities. This makes it an ideal choice for homes where noise can be a concern, particularly in open-plan living spaces.

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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