Burner

Sensing

Electrode

 

 

 

±

1

 

.

5

 

7

 

 

 

 

 

 

Electrode Position

Viewing Window

10 ±1

Spark Ignition Electrode

5 . 0 ±

4

13.0Servicing

13.2Annual Servicing - Inspection (Cont)

6.Undo the nut on the gas inlet pipe to the venturi (Fig. 73) and pull the sensing pipe off the fan.

7.Disconnect the electrode leads, noting their position, and the fan electrical plugs.

8.Undo the four nuts retaining the combustion box cover to the heat exchanger.

9.Carefully draw the fan, collector and cover assembly forward, being careful to retain the injector in the venturi (Figs. 72 & 73).

Electrode

Leads

Fig. 72

Fig. 73

Hall Effect

Sensor

Fan, Collector and Cover

Assembly

Venturi

Injector

Threaded

Fig. 74

Bush

Gas Inlet Pipe

Blanking

Cold Water

Cap

Inlet Tap

Restricter

10.Clean any debris from the heat exchanger and check that the gaps between the tubes are clear.

11.Inspect the burner, electrodes and insulation, cleaning or replacing if necessary. Clean any dirt or dust from the air box.

12.Reassemble in reverse order.

NOTE: The sensing pipe must be reconnected to the fan, not the venturi.

DHW Filter (Fig. 75)

13.If the flow of domestic hot water is diminished, it may be necessary to clean the filter.

14.Initially check the cold water inlet tap filter.

15.Turn the tap off and draw off from a hot tap. Undo the blanking cap and remove the threaded bush (Fig. 74).

16.Extract the filter and rinse thoroughly in clean water. Reassemble and check the flow. If required clean the restricter filter as described below.

17.Pull off the Hall Effect sensor. Undo the restricter from the inlet/return manifold (Fig. 75).

18.Rinse the filter thoroughly in clean water and reassemble in reverse order.

19.Turn the selector switch fully anticlockwise against the spring pressure to the reset position and hold for 5 seconds to reset the boiler.

20.Complete the relevant Service Interval Record section of the Benchmark Commissioning Checklist at the rear of this publication and then hand it back to the user.

Filter

Hydraulic Inlet

Assembly

Fig. 75

© Baxi Heating UK Ltd 2012

41

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Image 41
Baxi Potterton 47-393-39, 47-393-40, 47-393-41, 47-393-42 manual 10 ±1, Burner Sensing Electrode, Viewing Window
Page 40 Page 42

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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