Baxi Potterton 30 HE manual 14.19 P.C.B. Fig, Selector Switch Fig

Page 43

‘O’ ring seal

Grub Screw

Pressure Relief Valve

Fig. 78

Discharge Pipe

Control Box Cover

Fig. 79

P.C.B.

Selector

Switch

Drive Pins

Facia

Fig. 80

Selector Switch Knob Temperature Control Knobs

14.0Changing Components

14.18Pressure Relief Valve (Fig. 78)

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.

14.19P.C.B. (Fig. 80)

1.Note the settings of the temperature control knobs. Rotate the knobs fully anticlockwise and carefully 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. 79).

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

4.Undo the securing screws and remove the P.C.B. Transfer the control knob drive pins to the new P.C.B. and turn them fully anticlockwise.

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

14.20Selector Switch (Fig. 80)

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. 79).

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.

© Baxi Heating UK Ltd 2007

43

Page 42 Page 44
Image 43
Page 42 Page 44
Contents Installation & Service Instructions Contents Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairCodes of Practice, most recent version should be used Technique Safe Manual HandlingGeneral PreparationCase Front Panel Control Box Data Badge IntroductionDescription Optional ExtrasLayout General Layout1211 30 31 32 Appliance Operation Central Heating Mode FigDomestic Hot Water Mode Fig Frost Protection ModePerforma 30 HE Technical DataDimensions and Fixings Bypass System DetailsInformation Central Heating CircuitPressure Relief Valve Fig System Filling and PressurisingShowers Domestic Hot Water Circuit FigHard Water Areas Location Site RequirementsClearances Figs Gas Supply Ventilation of CompartmentsElectrical Supply Condensate Drain External termination via internalOr Door Plume Displacement KitFlue Built-in element such as a window frame. See BS 5440 PtThis bend is equivalent to 1 metre Flue OptionsHorizontal Flues Horizontal Flue Systems1m extension 45bend 25m 91.5bend Vertical Flues Twin PipeTwin & Vertical Flue Systems Metre for each 91.5 elbow Metre for each 45 elbowKey Accessory Size Flue Accessories5111079 Air duct adaptor Flue Duct AdaptorFor Twin Flue Systems fit the adaptors as follows Terminal Guard Fig Flue DimensionsFor Roof Terminals Flue TrimRing Bracket Metres 60Ø Exhaust Flue Pipe 60Ø Support Plume DisplacementPlume Displacement Kit b Elbow/Plume Outlet AssemblyDetermining Permissible Lengths Screw 30mmGeneral Fitting Notes Min metres Flue Trim SpigotPlume Outlet Elbow Preparing The Boiler InstallationInitial Preparation FlushingRemove the sealing caps from the boiler connections Fitting The BoilerCondensate Drain see section Pressure Relief Valve Discharge Pipe Wall PlateWall Thickness Flue Elbow Adaptor Fitting The FlueVertical Flue WasteY Flue Inner Flue Support Bracket Flue ElbowPreliminary Electrical Checks Making The Electrical ConnectionsCommissioning the Boiler Commissioning the BoilerPressure Test Point Sealing Screw Checking the Burner PressureCompletion CompletionCase Front Panel Facia Panel 13 .1 Annual Servicing Servicing the BoilerAnnual Servicing Changing Components Pressure Switch FigFan Figs Heat Exchanger Fig 14.0 Changing ComponentsBurner Fig Reassemble in reverse order Injectors FigElectrodes Fig Insulation FigGas Valve Fig Central Heating Temperature Sensor FigSafety Thermostat Fig DHW Temperature Sensor FigPump Complete Fig Pump Head Only FigAutomatic Air Vent Fig Expansion Vessel Fig Pressure Gauge FigsCondensate Trap Fig 14.19 P.C.B. Fig Selector Switch FigPlate Heat Exchanger Fig Flow Regulator Figs Diverter Valve AssemblyFlue Overheat Thermostat Fig Secondary Heat Exchanger FigControl PCB Illustrated Wiring DiagramFault Finding Turn selector to neon illuminated Microswitch terminalsDiverter valve spindle Assembly faulty Domestic Hot Water Follow operational sequenceAcross terminals 5 Replace microswitch Check wiring PCB A4 connector Replace selector Terminals 4Replace pump PCB A4 connector terminals 3 Replace PCB PCB A2 connector, isGas at burner PCB A1 connector has 230V ACTurn selector switch To ‘Reset’ positionON/OFF/RESET selector when turned to ‘Reset’ position 154 Short Parts ListShort Parts List 131GAS Boiler Commissioning Checklist Service Interval Record Potterton
Related manuals
Manual 12 pages 48.65 Kb

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.
Top Page Image Contents