Baxi Potterton 30 HE manual Pressure Gauge Figs, Expansion Vessel Fig, Condensate Trap Fig

Page 42

Fig. 74

Pressure Gauge

Capillary

Gauge Retaining

Bracket

Pressure Gauge

Fig. 75

Expansion Vessel

Vessel Outlet Spigot

Boiler Chassis

Lock Nut

Spring

Washer

 

Fig. 76

 

Sensing Wires

Inlet Pipe

 

 

Wire Spring

 

Clip

 

Condensate

 

Trap

 

Bracket

Fig. 77

 

 

Condensate

 

Drain Pipe

14.0 Changing Components

14.15 Pressure Gauge (Figs. 74 & 75)

1. Drain the primary circuit and undo the nut on the pressure gauge capillary.

2. Remove the timer cover and ease the timer wiring aside. Undo the screws securing the gauge retaining bracket.

3. Remove the bracket and gauge assembly. Depress the barbs on the side of the gauge and remove the retaining bracket.

4. Reassemble in reverse order.

14.16Expansion Vessel (Fig. 76)

Timer Cover

1.To replace the expansion vessel it is necessary to remove the boiler from the wall.

Note: Alternatively a vessel of equivalent capacity can be fitted on the system return pipe as close as possible to the boiler.

2.Drain the system and undo all gas, water and condensate drain connections. Remove the flue elbow.

3. Lift the boiler off the wall plate and lay it on it’s side on a clean flat surface.

4. Undo the nut on the vessel outlet spigot, and Retaining Clip remove the locknut and spring washer securing the

spigot to the boiler chassis.

5. Undo the screws and remove the appliance upper cross member. Slide the expansion vessel out of the retaining clips.

6. Reassemble in reverse order. Fully recommission the appliance and system.

14.17 Condensate Trap (Fig. 77)

1. Disconnect the two sensing wires from the trap connections.

2. Squeeze together the wire spring clip to release and ease the inlet pipe from the trap spigot.

3. Undo the nut securing the condensate drain pipe to the trap. Disconnect the pipe and sealing washer.

4.From underneath the boiler remove the screws securing the trap bracket.

5.Remove the trap and bracket from the boiler. Undo the locknut securing the trap to the bracket.

6.Reassemble in reverse order.

42© Baxi Heating UK Ltd 2007

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Contents Installation & Service Instructions Contents Installer Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice, most recent version should be used Preparation Safe Manual HandlingGeneral TechniqueOptional Extras IntroductionDescription Case Front Panel Control Box Data BadgeGeneral Layout Layout1211 30 31 32 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 FigDomestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationClearances Figs Ventilation of Compartments Gas SupplyElectrical 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 91.5bendFlue Accessories Key Accessory Size5111079 Flue Duct Adaptor Air duct adaptorFor Twin Flue Systems fit the adaptors as follows 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 ScrewCompletion CompletionCase Front Panel Facia Panel Servicing the Boiler 13 .1 Annual ServicingAnnual Servicing Pressure Switch Fig Changing ComponentsFan Figs 14.0 Changing Components Heat Exchanger FigBurner Fig Insulation Fig Injectors FigElectrodes Fig Reassemble in reverse orderDHW Temperature Sensor Fig Central Heating Temperature Sensor FigSafety Thermostat Fig Gas Valve FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Pressure Gauge Figs Expansion Vessel FigCondensate Trap 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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