Baxi Potterton 24 Eco HE manual Pcb

Page 45

15.0 FAULT FINDING

I

 

 

Ensure that mains input

 

 

terminal L is Live (230V) and N

 

is Neutral (0V)

 

 

 

YES

 

 

 

 

Check and correct if necessary

1.Flame sensing electrode and lead connections

2.Electrode position

Flame current should be 1 µA approx.

YES

NO

Replace PCB

Replace flame sensing electrode

J

Boiler overheat thermostat

NO

operated or faulty, i.e. continuity

 

 

 

 

across thermostat terminals

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

 

 

 

 

 

PCB

 

 

 

 

 

 

 

 

Allow to cool. Continuity

across thermostat terminals

more than 1.5 ohm

YES

Replace boiler

overheat thermostat

K

L

Check terminal 1 of ON/OFF/RESET selector is in connection with PCB - M1 connector terminal 16 Check electrical continuity across terminals 1 & a of ON/OFF/RESET selector when turned to ‘Reset’ position

Press the reset button on the flue overheat thermostat. If the boiler does not relight or repeatedly cuts out check the operation of the flue system or replace the flue overheat thermostat. If the flue overheat thermostat has not been activated see section ‘D’

NO

YES

Replace ON/OFF/RESET selector

Replace PCB

Publication No. 5111811

45

Page 44 Page 46
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Page 44 Page 46
Contents Performa Contents Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairIntroduction DescriptionOptional Extras Layout General LayoutDomestic Hot Water Mode Fig Central Heating Mode FigAppliance Operation Central Heating Circuit KeyTechnical Data Gas Inlet 68mm Dimensions and Fixings95mm 65mm Left Hand Side 130mm BoilerInformation System DetailsCentral Heating Circuit BypassSystem Filling and Pressurising Expansion Vessel Central Heating onlyPressure Relief Valve Fig Domestic Hot Water Circuit ShowersHard Water Areas Location Site RequirementsVentilation of Compartments Gas SupplyElectrical Supply Condensate Drain Likely flue positions requiring Flue terminal guard FlueFlue Trim Flue DimensionsTerminal Guard Fig Maximum permissible flue length is 4 metresFlue Options Horizontal Flues Vertical Twin PipeInitial Preparation InstallationFlushing Preparing The BoilerFitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerFitting The Flue Condensate Drain see sectionVertical Flue Key to Wiring Functional Flow DiagramMaking The Electrical Connections Preliminary Electrical ChecksCommissioning the Boiler CommissioningChecking the Burner Pressure Adjusting the Pressure FigCompletion Completion11 .1 Annual Servicing Servicing the BoilerAnnual Servicing W. Filters FigInlet / Return Manifold Changing Components Pressure Switch FigBurner Fig Heat Exchanger FigInjectors Fig Electrodes FigInsulation Fig Temperature Sensor Fig Safety Thermostat FigGas Valve Fig Pump Head Only Figs Pump Complete FigsAutomatic Air Vent Fig Pressure Gauge Figs Expansion Vessel FigCondensate Trap Fig 12.18 P.C.B. Fig Selector Switch FigPlate Heat Exchanger Fig Diverter Valve Assembly FigSeals DHW Pressure Differential Valve FigCH Pressure Microswitch Fig Diverter Valve AssemblyFlow Regulator Figs CH Pressure Differential Valve FigFlue Overheat Thermostat Fig Secondary Heat Exchanger FigIllustrated Wiring Diagram ElectricalControl PCB Short Parts List Short Parts ListFault Finding Carry out initial fault finding checksOperation sequence Correct Operation sequence Fault Finding Solutions Sections a to E Fault Finding PCB GAS Boiler Commissioning Checklist Service 3 Date Service 1 DateService 5 Date Service 7 DateGeneral Enquiries GB Service GBTechnical GB Literature Request 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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