Baxi Potterton G.C.No 47 393 23, G.C.No 47 393 21, G.C.No 47 393 22 Commissioning the Boiler

Page 33

Screw

Pump

Automatic Air

Vent

Fig. 59

Pump

2

 

1

3

 

 

 

 

0

4

 

 

bar

 

Selector Switch

 

 

 

Display

Fig. 60

Pressure Gauge

 

 

 

Reset

 

2

 

 

1

 

 

 

3

 

 

0

4

 

 

bar

 

 

Central Heating

Domestic Hot Water

 

Temperature Control

Temperature Control

Fig. 61

11.0Commissioning

11.1Commissioning the Boiler

1.Reference should be made to BS:EN 12828 & 14336 when commissioning the boiler.

2.At the time of commissioning, complete all relevant sections of the Benchmark Checklist at the rear of this publications.

3.Open the mains water supply to the boiler.

4.Open all hot water taps to purge the DHW system.

5.Ensure that the filling loop is connected and open, then open the heating flow and return valves on the boiler.

6.Open the screw on the automatic air vent on the pump body (Fig. 59).

7.The system must be flushed in accordance with BS 7593 (see Section 6.2) and the flushing agent manufacturers instructions.

8.Pressurise the system to 1.5 bar (Fig. 60) then close and disconnect the filling loop.

9.Turn the gas supply on and purge according to in GB BS 6891 and in IE I.S. 813 “Domestic Gas Installations”.

10.Test for gas tightness.

11.Hinge the facia panel upwards and refit the case front panel. Tighten the securing screws.

IMPORTANT: The combustion for this appliance has been checked, adjusted and preset at the factory for operation on the gas type specified on the appliance data plate. No measurement of the combustion is necessary. Do not adjust the air/gas ratio valve.

12. Having checked:

•That the boiler has been installed in accordance with these instructions.

•The integrity of the flue system and the flue seals.

•The integrity of the boiler combustion circuit and the relevant seals.

Proceed to put the boiler into operation as follows:

© Baxi Heating UK Ltd 2011

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Contents Installation & Service Instructions 0086 Scheme Members only Installer Notification GuidelinesImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice refer to the most recent version General Safe Manual HandlingPreparation TechniqueContents Contents of Pack IntroductionDescription Layout General LayoutFrost Protection Mode Appliance OperationPump Protection Promax Combi 24, 28 Technical DataOrientation Dimensions and FixingsTap Rail 32.5 mm Condensate Drain 65 mmInformation System DetailsCentral Heating Circuit BypassSystem Filling and Pressurising Fig Expansion Vessel Central Heating onlyPressure Relief Valve Fig Domestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationAt Least 1.5 7.2 Clearances Figs Ventilation of Compartments Site RequirementGas Supply Electrical SupplyCondensate Drain Flue terminal guard FlueFlue Options Each fitting to aid assemblyHorizontal Flue Systems Horizontal FluesTwin & Vertical Flue Systems Vertical Flues120mm Min ApartFlue Accessories Key Accessory Size Code NoTelescopic Internal Flue Kit Twin Flue Duct Adaptor Twin Flue ConnectionAir Duct Connection Flue Duct Connection Boiler Adaptor For Roof Terminals Flue DimensionsFlue Trim Terminal Guard FigPlume Displacement Plume Displacement Kit FigMetres Ring Adaptor Determining Permissible Lengths 28/33Example 512136830mm General Fitting Notes60Ø extension piece. It must be secured using two Elbow to allow the flue to be installed as shownUsing a suitable bit e.g mm, drill through Extension and outlet. Secure using two of the screwsUnpacking & Initial Preparation InstallationFlushing After considering the site requirementsFitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerCondensate Drain see section Tighten all the connectionsWall Thickness Waste Fitting The FlueFlue Elbow Ensure Elbow is fully Engaged into BoilerInner Flue Support Bracket 25mm Extension Cut EndEnsure Extension is fully engaged into Boiler Adaptor Making The Electrical Connections Preliminary Electrical ChecksTerminal Block Cover Cable Clamp Commissioning the Boiler CommissioningPressure Completion CompletionCase Front Panel Facia Panel 13 .1 Annual Servicing ServicingAnnual Servicing Inspection Case Front Panel Facia Panel Securing Screws10 ±1 Burner Sensing ElectrodeViewing Window Changing Components Igniter FigSpark and Sensing Electrodes Fig Venturi Fig Fan FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Fig Insulation FigBurner Gasket Extension Piece Safety Thermostat Fig Central Heating Temperature Sensor NTC FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigPump Head Only Fig Pump Complete FigAutomatic Air Vent Fig Hall Effect Sensor Fig Pressure Gauge FigsPlate Heat Exchanger Fig Diverter Valve Motor Unit & Assembly Fig14.22 P.C.B. Fig Selector Switch FigThrottle Adjustment Screw Gas Valve FigExpansion Vessel Fig Setting the Gas Valve CO2 check Setting the Gas ValveFlue Adaptor Test Point Plug Analyser Probe ThrottleElectrical Illustrated Wiring DiagramShort Parts List Short Parts List306 302Fault Finding Initial Fault Finding ChecksError Codes Go to section ‘A’ Turn the selector switch to Error 133 flashingReset position for 5 seconds Pump runsError 133 flashing Go to section ‘I’ Turn selector switch toTurn Domestic Hot Water Open DHW tap fullySwitch terminal PCB X3 connector terminals 3Fan jammed or faulty winding Replace PCB Replace waterReplace sensor or PCB E28 Check wiring Viewing WindowGas at burner Replace gas valveReplace safety thermostat Replace PCB Is there 230V atReplace sensor Page Page Condensing Boilers only Service Record Brooks House, Coventry Road, Warwick. CV34 4LL

G.C.No 47 393 22, G.C.No 47 393 23, G.C.No 47 393 21 specifications

The Baxi Potterton range, specifically the models identified by G.C. No 47 393 21, G.C. No 47 393 23, and G.C. No 47 393 22, represents a robust selection of domestic heating solutions that cater to diverse consumer needs. Known for their reliability and efficiency, these boilers are designed with advanced technologies that ensure consistent performance and high levels of user satisfaction.

One of the primary features of these models is their compact design, allowing for flexibility in installation within various home environments. Whether placed in a kitchen, utility room, or cupboard, the space-saving configurations make them ideal for homeowners with limited installation areas.

These boilers utilize a high-efficiency heat exchanger that maximizes heating output while minimizing fuel consumption. This not only results in lower energy bills for consumers but also contributes positively towards reducing carbon footprints. The G.C. No 47 393 21, 47 393 22, and 47 393 23 models are known for their impressive Seasonal Efficiency Ratings, indicating superior energy efficiency, which is vital for compliance with modern building regulations.

In terms of technology, these models feature user-friendly digital displays that provide real-time information on system performance, making it easier for users to monitor and manage their home's heating needs. Additionally, some models come equipped with advanced control systems that allow homeowners to adjust settings remotely via smartphone applications, further enhancing convenience.

Safety is paramount in the design of Baxi Potterton boilers. Each unit is equipped with multiple safety features including built-in frost protection, pressure relief valves, and gas leak detection systems. This commitment to safety ensures peace of mind for users, knowing that their heating system is designed to operate securely.

Another significant characteristic of these models is their compatibility with renewable energy sources. They can work in conjunction with solar thermal systems and can be integrated into larger renewable setups, promoting sustainability in home heating.

In summary, the Baxi Potterton G.C. No 47 393 21, G.C. No 47 393 23, and G.C. No 47 393 22 models are a testament to modern engineering and design. With their emphasis on efficiency, safety, and convenience, they provide exceptional heating solutions for today's energy-conscious homeowners.
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