Baxi Potterton 47-393-40 Turn selector switch to, Turn Domestic Hot Water, Open DHW tap fully

Page 56

18.0 Fault Finding

Domestic Hot Water - Follow operational sequence

Turn selector switch to

The display illuminates

YES

NO

Go to section ‘A’

Error 110 flashing

YES

Error 133 flashing

 

NO

 

Error 20, 28 or 50 flashing

YES

 

NO

 

Error 119 flashing

YES

 

NO

 

Turn Domestic Hot Water

 

thermostat to Maximum.

 

Open DHW tap fully.

 

DHW Hall Effect sensor

NO

operated (red neon on the

 

sensor illuminated

 

YES

 

3-way valve is open to

NO

Domestic Hot Water circuit

 

YES

NO

Pump runs

 

YES

 

Fan runs

NO

 

YES

 

Fan runs at correct speed

NO

 

YES

Spark at ignition electrodes for

NO

up to 5 seconds and for 3

 

attempts

 

 

YES

NO

 

 

 

Turn the selector switch to reset position for 5 seconds

Go to section ‘E’

Go to section ‘C’

DHW flow rate more than 2

l/min

Go to section ‘K’

Error 125 flashing

Go to section ‘B’

Error 160 flashing

Go to section ‘D’

Error 160 flashing

Go to section ‘L’

Error 133 flashing

Go to section ‘F’

YES

YES

YES

If the error 110 is still flashing.

Go to section ‘J’

Go to section ‘B’

YES

Is mains water filter and

assembly clean?

Is the magnetic detector free

to move in the Hall Effect

sensor

Go to section ‘H’

Turn the selector switch to the

reset position for 5 seconds

Burner lights

YES

 

YES

 

Burner output modulates to

NO

 

maintain the temperature set

 

YES

NO

 

Close DHW tap

 

YES

 

DHW flow sensor senses no

YES

flow. Burner goes out

 

Burner does not stay alights

YES

after 5 seconds

NO

 

 

Reduce DHW flow rate

 

Burner modulates

 

 

 

 

 

Error 130 flashing

 

Go to section ‘M’

 

 

 

Fan stops after 10 seconds

YES

 

 

 

Error 133 flashing

Go to section ‘I’

Clean DHW NTC sensor and DHW heat exchanger

Pump runs for 30 seconds

YES

Operation sequence

successful

56© Baxi Heating UK Ltd 2012

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Contents Installation & Service Instructions Natural Gas Potterton TitaniumInstaller Notification Guidelines Scheme Members onlyCodes of Practice refer to the most recent version Important Installation, Commissioning, Service & RepairLegislation Safe Manual Handling GeneralPreparation TechniqueContents Description Contents of PackIntroduction Domestic Hot Water Mode Light Display General LayoutLayout Expansion Vessel Automatic Air VentCentral Heating Mode Fig Domestic Hot Water Mode FigFrost Protection Mode Appliance OperationTechnical Data Titanium 24, 28, 33Dimensions and Fixings OrientationTap Rail 32.5 mm Condensate Drain 65 mm 22mm 15mmSystem Details InformationCentral Heating Circuit BypassPressure Relief Valve Fig System Filling and Pressurising FigExpansion Vessel Central Heating only Hard Water Areas Domestic Hot Water Circuit FigShowers At Least 1.5 7.2 Clearances Figs Site RequirementsLocation Site Requirement Ventilation of CompartmentsGas Supply Electrical SupplyCondensate Drain 50mm per 500mm minRun Minimum fallBoiler External runs & those InsulationFlue Each fitting to aid assembly Flue OptionsHorizontal Flue Systems Horizontal FluesVertical Flues Twin & Vertical Flue Systems120mm Min ApartTelescopic Internal Flue Kit Flue AccessoriesKey Accessory Size Code No Air Duct Connection Flue Duct Connection Boiler Adaptor Twin Flue Duct AdaptorTwin Flue Connection Flue Dimensions For Roof TerminalsFlue Trim Terminal Guard FigPlume Displacement Plume Displacement Kit FigElbow/Plume Outlet Assembly Ring Bracket28/33/40 Determining Permissible LengthsExample Example Flue Lengths OKGeneral Fitting Notes 30mmElbow to allow the flue to be installed as shown 60Ø extension piece. It must be secured using twoUsing a suitable bit e.g mm, drill through Extension and outlet. Secure using two of the screwsInstallation Unpacking & Initial PreparationFlushing After considering the site requirementsFitting the Filling Loop Kit Condensate Drain see section Fitting The BoilerFitting the Pressure Relief Discharge Pipe Fig Fitting The Flue Wall Thickness Flue ElbowEnsure Elbow is fully engaged into Boiler Adaptor Wall Thickness Waste FlueEnsure Extension is fully engaged into Boiler Adaptor Inner Flue Support Bracket25mm Extension Cut End Making The Electrical Connections Preliminary Electrical ChecksSelector Switch Display CommissioningCommissioning the Boiler Screw Pump Automatic Air VentPressure Setting the Timer Case Front Panel Facia Panel CompletionCompletion Annual Servicing Inspection Servicing13 .1 Annual Servicing Viewing Window 10 ±1Burner Sensing Electrode Spark and Sensing Electrodes Fig Changing ComponentsIgniter Fig Fan Fig Venturi FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Gasket Extension Piece Burner FigInsulation Fig Central Heating Temperature Sensor NTC Fig Safety Thermostat FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigAutomatic Air Vent Fig Pump Head Only FigPump Complete Fig Pressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Fig Plate Heat Exchanger FigSelector Switch Fig 14.22 P.C.B. FigExpansion Vessel Fig Throttle Adjustment ScrewGas Valve Fig Setting the Gas Valve Setting the Gas Valve CO2 checkFlue Adaptor Test Point Plug Analyser Probe ThrottleIllustrated Wiring Diagram ElectricalShort Parts List Short Parts List306 302Error Codes Fault FindingInitial Fault Finding Checks Error 133 flashing Go to section ‘A’ Turn the selector switch toReset position for 5 seconds Pump runsTurn selector switch to Error 133 flashing Go to section ‘I’Turn Domestic Hot Water Open DHW tap fullyPCB X3 connector terminals 3 Switch terminalFan jammed or faulty winding Replace PCB Replace waterCheck wiring Viewing Window Replace sensor or PCB E28Gas at burner Replace gas valveReplace sensor Replace safety thermostatReplace PCB Is there 230V at Page Page GAS Boiler System Commissioning Checklist Service Record Potterton

47-393-40, 47-393-41, 47-393-39, 47-393-42 specifications

The Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 are models of high-efficiency gas boilers designed for residential heating. These models are well-known for their reliability, advanced technology, and user-friendly features, making them a popular choice among homeowners looking to improve their heating systems.

One of the standout features of these models is their energy efficiency. Each unit is engineered to comply with stringent energy-saving regulations, significantly reducing utility bills while maintaining optimal heating performance. They are rated with impressive efficiency ratings, which can lead to long-term savings and a reduced carbon footprint.

The Baxi Potterton range employs a heat exchanger system designed to maximize heat transfer and minimize energy waste. This sophisticated technology ensures that the boiler operates at peak efficiency, providing ample heating for homes even in the coldest months. The use of a durable, high-quality heat exchanger material contributes to the longevity of the unit, reducing the need for frequent repairs or replacements.

Ease of use is another hallmark of the 47-393 series. With an intuitive digital display, users can effortlessly monitor and adjust settings as required. The controls are straightforward, allowing for quick temperature adjustments, system diagnostics, and alerts, creating a hassle-free experience for homeowners.

Safety features are inherent in these models, including built-in safeguards against overheating and pressure fluctuations. The automatic shut-off mechanism ensures that the boiler operates within safe parameters, providing peace of mind to users.

Furthermore, maintenance is simplified with the easy access design. The accessible components make it straightforward for service technicians to perform routine checks and repairs. Regular maintenance is essential for sustaining high performance and extending the lifespan of the boiler.

In conclusion, the Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 models represent a blend of efficiency, safety, and convenience. Their advanced technologies and features not only enhance the user experience but also contribute to more sustainable heating solutions for homes. Investing in one of these advanced boilers ensures reliable performance, lower energy costs, and a commitment to environmental responsibility.
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