Baxi Potterton 30 HE manual Changing Components, Fan Figs, Pressure Switch Fig

Page 37

Pressure

Switch

Sensing

Tubes

Fig. 61

14.0Changing Components

IMPORTANT: When changing components ensure that both the gas and electrical supplies to the boiler are isolated before any work is started. When the new component has been fitted turn the selector switch fully anticlockwise against the spring pressure to the ‘Reset’ position and hold for 2 seconds to reset the boiler before recommissioning.

See Section 13.1 “Annual Servicing” for removal of case panel, door etc.

14.1

Fan (Figs. 62 & 63)

1. Note the positions of the two sensing tubes on the

Pressure

Switch Wires

Fan Wires

Sensing

Tubes

Fan

outlet elbow and three wires on the fan motor and

remove them.

2. Slacken the screws on the fan spigot outlet pipe clamps. Ease the clamps inwards over the pipe.

3.Draw the outlet pipe away from the boiler.

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

5.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.

6.Undo the screws securing the fan hood to the

appliance back panel, and draw the fan and hood assembly forwards.

Ease Fan Spigot Outlet

Pipe Clamps Inwards

Fig. 62

Fan Spigot

Outlet Pipe

Baffle

Tab

Spring Clip

Fan

Fig. 63

Spring Washer

Securing Screw

7.Remove the screws and spring washers securing the fan to the hood.

8.Fit the new fan to the hood using the screws and spring washers previously removed.

9.Reassemble in reverse order of dismantling.

14.2Pressure Switch (Fig. 61)

1.Remove the fan as described in section 14.1.

2.Note the positions of the two sensing tubes and three wires and remove them.

3.Remove the two screws holding the pressure switch to the bracket on the combustion box top panel.

4.Fit the new pressure switch and reassemble all components in reverse order of dismantling.

Fan Hood

© Baxi Heating UK Ltd 2007

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Contents Installation & Service Instructions Contents Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairCodes of Practice, most recent version should be used General Safe Manual HandlingPreparation TechniqueDescription IntroductionOptional Extras Case Front Panel Control Box Data BadgeLayout General Layout1211 30 31 32 Domestic Hot Water Mode Fig Central Heating Mode FigFrost Protection Mode Appliance OperationPerforma 30 HE Technical DataDimensions and Fixings Information System DetailsCentral Heating Circuit BypassPressure 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 internalFlue Plume Displacement KitBuilt-in element such as a window frame. See BS 5440 Pt Or DoorHorizontal Flues Flue OptionsHorizontal Flue Systems This bend is equivalent to 1 metreTwin & Vertical Flue Systems Vertical Flues Twin PipeMetre for each 91.5 elbow Metre for each 45 elbow 1m extension 45bend 25m 91.5bendKey Accessory Size Flue Accessories5111079 Air duct adaptor Flue Duct AdaptorFor Twin Flue Systems fit the adaptors as follows For Roof Terminals Flue DimensionsFlue Trim Terminal Guard FigPlume Displacement Kit b Plume DisplacementElbow/Plume Outlet Assembly Ring Bracket Metres 60Ø Exhaust Flue Pipe 60Ø SupportDetermining Permissible Lengths General Fitting Notes 30mmMin metres Flue Trim Spigot ScrewPlume Outlet Elbow Initial Preparation InstallationFlushing Preparing The BoilerCondensate Drain see section Fitting The BoilerPressure Relief Valve Discharge Pipe Wall Plate Remove the sealing caps from the boiler connectionsWall 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 Electrodes Fig Injectors FigInsulation Fig Reassemble in reverse orderSafety Thermostat Fig Central Heating Temperature Sensor FigDHW Temperature Sensor Fig Gas Valve 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 Diverter valve spindle Assembly faulty Microswitch terminalsDomestic Hot Water Follow operational sequence Turn selector to neon illuminatedReplace pump PCB A4 connector terminals 3 Replace PCB Check wiring PCB A4 connector Replace selector Terminals 4PCB A2 connector, is Across terminals 5 Replace microswitchTurn selector switch PCB A1 connector has 230V ACTo ‘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.

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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