Baxi Potterton 47-393-41, 47-393-40, 47-393-39, 47-393-42 manual Technical Data, Titanium 24, 28, 33

Page 10

4.0Technical Data

4.1Titanium 24, 28, 33 & 40

Appliance Type

 

 

 

C13

C33

C53

 

 

Appliance Category

CAT I 2H

 

 

 

Heat Input CH (Net)

Max

Min

 

 

24 model

 

kW

20.5

7

 

 

28 model

 

kW

24.7

9

 

 

33 model

 

kW

28.9

9.7

 

 

40 model

 

kW

32.8

9.9

 

 

 

 

 

 

 

 

 

 

Heat Input CH (Gross)

Max

Min

 

 

24 model

kW

22.7

7.8

 

 

28 model

kW

27.4

10

 

 

33 model

kW

32.1

10.8

 

 

40 model

kW

36.4

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Output CH (Non-Condensing)

 

 

 

 

 

 

 

 

 

 

 

 

 

Max

Min

 

 

24 model

 

kW

20

6.8

 

 

28 model

 

kW

24

8.7

 

 

33 model

 

kW

28

9.4

 

 

40 model

 

kW

32

9.6

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Output CH (Condensing)

 

 

 

 

 

 

 

 

 

 

 

 

 

Max

Min

 

 

24 model

 

kW

21

7.4

 

 

28 model

 

kW

25.9

9.5

 

 

33 model

 

kW

30.3

10.2

 

 

40 model

 

kW

34.4

12.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Input DHW (Net)

Max

 

 

 

 

24 model

 

kW

24.7

 

 

 

 

28 model

 

kW

28.9

 

 

 

 

33 model

 

kW

34

 

 

 

 

40 model

 

kW

41.2

 

 

 

 

 

 

 

 

 

 

Heat Input DHW (Gross)

Max

 

 

 

24 model

 

kW

27.4

 

 

 

28 model

 

kW

32.1

 

 

 

33 model

 

kW

37.7

 

 

 

40 model

 

kW

45.7

 

 

 

 

Heat Output DHW

Max

 

 

 

 

24 model

 

kW

24

 

 

 

 

28 model

 

kW

28

 

 

 

 

33 model

 

kW

33

 

 

 

 

40 model

 

kW

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Max Gas Rate (Natural Gas - G20)

 

 

 

 

 

 

 

 

 

 

(After 10 mins)

 

 

 

 

 

24 model

 

m3/h

2.61

 

 

 

 

 

28 model

 

m3/h

3.1

 

 

 

 

 

33 model

 

m3/h

3.6

 

 

 

 

 

40 model

 

m3/h

4.36

 

 

 

SEDBUK Declaration

The efficiency for all models is 91.1%

This value is used in the UK Government’s Standard Assessment Procedure (SAP) for energy rating of dwellings. The test data from which it has been calculated has been certified by 0087.

NOTE: All data in this section are nominal values and subject to normal production tolerances.

Inlet Pressure (Natural Gas - G20)

mbar 20

Injector (Natural Gas - G20)

7.5mm (24 & 28) 12mm (33 & 40)

Electrical Supply230V~ 50Hz

(Appliance must be connected to an earthed supply)

Power Consumption

155W (24, 28) 160W (33 & 40)

Electrical Protection

IPX0D (with timer)

IPX5D (without timer)

External Fuse Rating

3A

 

 

 

Internal Fuse Rating

F2L

Condensate Drain

To accept 21.5mm (3/4 in) plastic waste pipe

Flue Terminal

Diameter

 

100mm

Dimensions

Projection

125mm

 

 

 

 

 

Connections

 

 

copper tails

Gas Supply

 

 

-

22mm

Central Heating Flow

 

 

-

22mm

Central Heating Return

-

22mm

Cold Water Mains Inlet

-

15mm

DHW Flow

 

 

-

15mm

Pressure Relief Discharge

-

15mm

 

 

 

 

 

 

Outercase Dimensions

 

 

Casing Height

 

 

 

- 780mm

Overall Height Inc Flue Elbow

 

- 965mm

Casing Width

 

 

 

- 450mm

Casing Depth

 

 

 

- 345mm

 

 

 

 

 

 

 

Clearances

 

 

 

 

Above Casing

200 mm Min

 

Below Casing

150 mm Min*

 

Front

450 mm Min (For Servicing)

Front

5 mm Min (In Operation)

L.H. Side

5 mm Min

 

R.H. Side

5 mm Min (In Operation)

*This is MINIMUM recommended dimension. Greater clearance will aid installation and maintenance.

Weights

 

 

(24 model)

Packaged Boiler Carton

48.6 kg

Installation Lift Weight

43.6 kg

 

(28 model)

Packaged Boiler Carton

49.2 kg

Installation Lift Weight

44.2 kg

 

(33 & 40 model)

Packaged Boiler Carton

51kg

Installation Lift Weight

46kg

Metre (wg)

NOx Class

 

5

 

 

 

 

Central Heating Primary Circuit

 

 

 

Pressures

 

 

 

 

 

 

 

 

 

 

 

bar

Safety Discharge

 

 

 

3

 

 

Max Operating

 

 

 

2.5

 

Min Operating

 

 

 

0.5

 

Recommended Operating Range

1-2

 

 

 

 

 

 

 

 

 

DHW Circuit

 

bar

 

 

 

Pressures

 

 

 

 

 

 

Max Operating

 

8

 

 

 

 

Min Operating

 

0.15

 

 

 

 

 

 

 

 

 

 

 

Flow Rates

(24)

(28)

 

(33)

(40)

 

 

l/min

l/min

l/min

l/min

DHW Flow Rate

 

 

 

 

 

 

@ 30o C Rise

11.43

13.3

 

15.7

19.1

DHW Flow Rate

 

 

 

 

 

 

@ 35o C Rise

9.8

11.5

 

13.5

16.4

Min Working

 

 

 

 

 

 

DHW Flow Rate

2

2

 

2

2

 

IMPORTANT: Where Low Flow Taps or Fittings are intended to be used in the DHW system connected it is strongly recommended that the DHW flow rate DOES NOT fall below 2.5l/min. This will ensure reliable operation of the DHW function.

Pump

 

 

 

 

Available Head

See graph below

 

 

 

 

 

Expansion Vessel

- (For Central Heating only.

Integral with appliance)

 

 

 

 

 

bar

 

 

Min Pre-charge Pressure

0.5

 

 

 

 

(24 & 28)

(33 & 40)

 

 

litre

litre

Max Capacity of

 

 

 

 

CH System

 

125

155

 

Primary Water Content

 

 

 

of Boiler (unpressurised)

2.5

2.8

 

Temperatures

C.H. Flow Temp (adjustable)

25°C to 80°C max (± 5°C)

D.H.W. Flow Temp (adjustable)

35°C to 60°C max (± 5°C) dependent upon flow rate

Pump - Available Head

5.5

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

0

200

400

600

800

1000

1200

Flow Rate (l/h)

10© Baxi Heating UK Ltd 2012

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Page 9 Page 11
Contents Installation & Service Instructions Natural Gas Potterton TitaniumInstaller Notification Guidelines Scheme Members onlyLegislation Important Installation, Commissioning, Service & RepairCodes of Practice refer to the most recent version Preparation Safe Manual HandlingGeneral TechniqueContents Introduction Contents of PackDescription Layout Domestic Hot Water Mode Light DisplayGeneral Layout Expansion Vessel Automatic Air VentFrost Protection Mode Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Titanium 24, 28, 33Tap Rail 32.5 mm Condensate Drain 65 mm Dimensions and FixingsOrientation 22mm 15mmCentral Heating Circuit System DetailsInformation BypassExpansion Vessel Central Heating only System Filling and Pressurising FigPressure Relief Valve Fig Showers Domestic Hot Water Circuit FigHard Water Areas Location Site RequirementsAt Least 1.5 7.2 Clearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain 50mm per 500mm minBoiler External runs & those RunMinimum fall InsulationFlue Horizontal Flue Systems Each fitting to aid assemblyFlue Options Horizontal Flues120mm Min Vertical FluesTwin & Vertical Flue Systems ApartKey Accessory Size Code No Flue AccessoriesTelescopic Internal Flue Kit Twin Flue Connection Twin Flue Duct AdaptorAir Duct Connection Flue Duct Connection Boiler Adaptor Flue Trim Flue DimensionsFor Roof Terminals Terminal Guard FigElbow/Plume Outlet Assembly Plume DisplacementPlume Displacement Kit Fig Ring BracketExample 28/33/40Determining Permissible Lengths Example Flue Lengths OKGeneral Fitting Notes 30mmUsing a suitable bit e.g mm, drill through Elbow to allow the flue to be installed as shown60Ø extension piece. It must be secured using two Extension and outlet. Secure using two of the screwsFlushing InstallationUnpacking & Initial Preparation After considering the site requirementsFitting the Filling Loop Kit Fitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerCondensate Drain see section Ensure Elbow is fully engaged into Boiler Adaptor Fitting The FlueWall Thickness Flue Elbow Wall Thickness Waste Flue25mm Extension Cut End Inner Flue Support BracketEnsure Extension is fully engaged into Boiler Adaptor Making The Electrical Connections Preliminary Electrical ChecksCommissioning the Boiler Selector Switch DisplayCommissioning Screw Pump Automatic Air VentPressure Setting the Timer Completion CompletionCase Front Panel Facia Panel 13 .1 Annual Servicing ServicingAnnual Servicing Inspection Burner Sensing Electrode 10 ±1Viewing Window Igniter Fig Changing ComponentsSpark and Sensing Electrodes Fig Injector Fig Fan FigVenturi Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorInsulation Fig Burner FigBurner Gasket Extension Piece DHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Complete Fig Pump Head Only FigAutomatic Air Vent Fig Pressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Fig Plate Heat Exchanger FigSelector Switch Fig 14.22 P.C.B. FigGas Valve Fig Throttle Adjustment ScrewExpansion Vessel Fig Flue Adaptor Test Point Plug Analyser Probe Setting the Gas ValveSetting the Gas Valve CO2 check ThrottleIllustrated Wiring Diagram Electrical306 Short Parts ListShort Parts List 302Initial Fault Finding Checks Fault FindingError Codes Reset position for 5 seconds Error 133 flashingGo to section ‘A’ Turn the selector switch to Pump runsTurn Domestic Hot Water Turn selector switch toError 133 flashing Go to section ‘I’ Open DHW tap fullyFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Replace waterGas at burner Check wiring Viewing WindowReplace sensor or PCB E28 Replace gas valveReplace PCB Is there 230V at Replace safety thermostatReplace sensor Page Page GAS Boiler System Commissioning Checklist Service Record Potterton

47-393-40, 47-393-41, 47-393-39, 47-393-42 specifications

The Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 are models of high-efficiency gas boilers designed for residential heating. These models are well-known for their reliability, advanced technology, and user-friendly features, making them a popular choice among homeowners looking to improve their heating systems.

One of the standout features of these models is their energy efficiency. Each unit is engineered to comply with stringent energy-saving regulations, significantly reducing utility bills while maintaining optimal heating performance. They are rated with impressive efficiency ratings, which can lead to long-term savings and a reduced carbon footprint.

The Baxi Potterton range employs a heat exchanger system designed to maximize heat transfer and minimize energy waste. This sophisticated technology ensures that the boiler operates at peak efficiency, providing ample heating for homes even in the coldest months. The use of a durable, high-quality heat exchanger material contributes to the longevity of the unit, reducing the need for frequent repairs or replacements.

Ease of use is another hallmark of the 47-393 series. With an intuitive digital display, users can effortlessly monitor and adjust settings as required. The controls are straightforward, allowing for quick temperature adjustments, system diagnostics, and alerts, creating a hassle-free experience for homeowners.

Safety features are inherent in these models, including built-in safeguards against overheating and pressure fluctuations. The automatic shut-off mechanism ensures that the boiler operates within safe parameters, providing peace of mind to users.

Furthermore, maintenance is simplified with the easy access design. The accessible components make it straightforward for service technicians to perform routine checks and repairs. Regular maintenance is essential for sustaining high performance and extending the lifespan of the boiler.

In conclusion, the Baxi Potterton 47-393-42, 47-393-39, 47-393-41, and 47-393-40 models represent a blend of efficiency, safety, and convenience. Their advanced technologies and features not only enhance the user experience but also contribute to more sustainable heating solutions for homes. Investing in one of these advanced boilers ensures reliable performance, lower energy costs, and a commitment to environmental responsibility.
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