Screw

Pump

Automatic Air

Vent

Fig. 59

Pump

2

 

 

 

 

 

1

3

 

 

 

 

 

 

 

 

 

 

 

 

0

4

 

 

 

 

 

 

bar

 

 

 

 

 

Selector Switch

 

 

 

 

 

 

 

Display

Fig. 60

Pressure Gauge

 

 

 

 

 

 

 

 

 

 

2

 

1

12

 

 

 

 

3

 

 

11

 

 

 

 

4

 

 

 

10

Reset

 

2

5

 

 

 

9

 

 

PM

 

 

 

 

 

 

3

 

 

 

8

 

 

7

 

 

 

7

 

 

 

8

 

 

 

AM

 

 

￿0 4

9

 

 

0

5

 

 

bar

10

 

 

 

4

 

 

 

11

 

 

3

 

 

 

 

12

1

 

2

 

 

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).

IMPORTANT: If the boiler is installed at a high point in the system it is strongly recommended that Automatic Air Vent Kit 720004701 is fitted. Ensure that this vent is open.

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:

36© Baxi Heating UK Ltd 2012

Page 36
Image 36
Baxi Potterton 47-393-40, 47-393-39 Commissioning the Boiler, Screw Pump Automatic Air Vent, Selector Switch Display

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.