A.O. Smith BFC - 60 Concentric connections, Practical example of concentric flue gas discharge

Models: BFC - 30 BFC - 60

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Installation

Explanation of type of appliance

is

Type of appliance

Description

 

 

 

B23

Air for combustion is drawn from the boiler room.

 

 

 

C13

Concentric and / or parallel wall flue terminal

 

 

 

C33

Concentric and / or parallel roof flue terminal

 

 

 

C43

Appliances on common air supply and flue gas discharge (concentric and / or

 

 

parallel) in multi-storey building.

 

 

 

C53

Air supply and flue terminal types mixed.

 

 

 

C63

Appliances supplied without flue components and / or terminal. These

 

 

appliances must be installed in compliance with local regulations.

 

 

 

Note

Make sure that the chimney discharges into an area where this is permitted for this category of appliance.

3.9.3 Concentric connections

The table shows the requirements for concentric systems.

Warning

Install flue gas discharge pipe runs with a run-off of 5 mm per metre.

Flue gas discharge requirements for concentric systems (C13, C33)

Appliance

Diameter

Maximum length

Maximum

 

 

 

number of 90º

 

 

 

bends

BFC 28

80/125 mm

40 m

7

 

 

 

 

BFC 30

100/150 mm

40 m

7

 

 

 

 

BFC 50

100/150 mm

40 m

7

 

 

 

 

BFC 60

100/150 mm

15 m

4

 

 

 

 

 

 

 

 

Attention

Both conditions stated in the table must be fulfilled.

Even if there are less bends than the stated maximum, the maximum pipe length may not be exceeded.

Even if the total pipe length is less than the stated maximum, the maximum number of bends may not be exceeded.

The following example illustrates how to use the table.

Practical example of concentric flue gas discharge

Example

The figure shows a BFC 30 installation. The appliance must be fitted with 25 m of concentric pipe (C13/C33) and four 90 degree bends. We need to check whether this configuration complies with the requirements stated in the table.

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Instruction manual BFC

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A.O. Smith BFC - 60, BFC - 30 service manual Concentric connections, Practical example of concentric flue gas discharge

BFC - 30, BFC - 60 specifications

A.O. Smith is a well-regarded name in the water heating industry, known for producing innovative and efficient water heaters. Among their renowned products are the BFC - 60 and BFC - 30 models, which have gained popularity for their performance and reliability.

The A.O. Smith BFC - 60 and BFC - 30 are both designed to meet the diverse needs of residential and commercial users. The BFC - 60 has a capacity of 60 gallons, making it ideal for larger households or commercial settings where hot water demand is high. Meanwhile, the BFC - 30, with its 30-gallon capacity, caters to smaller households or establishments with lower hot water requirements.

One of the standout features of both models is their advanced heating technology. They are equipped with a high-efficiency burner system, which enhances the heating process while minimizing energy consumption. This means that users experience quicker recovery times and can enjoy a steady supply of hot water without the long wait associated with traditional heaters. The BFC series is designed to save energy, aligning with modern demands for sustainability.

Another significant characteristic of these models is their durable construction. Made with high-quality materials, including glass-lined tanks, they are built to resist corrosion and extend the lifespan of the water heater. This durability contributes to fewer maintenance requirements, giving users peace of mind.

In terms of safety, A.O. Smith has incorporated numerous features into the BFC series. Both models come with safety valves and thermostat controls to ensure that water is heated to appropriate temperatures, reducing the risk of scalding and malfunction. Additionally, their design allows for easy installation and maintenance, making them a user-friendly option.

Another aspect that distinguishes the BFC series is its compact design. Both models have a space-saving profile, making them suitable for installation in various locations, including tight utility rooms or basements. This flexibility allows homeowners and businesses to maximize their space without sacrificing performance.

Overall, the A.O. Smith BFC - 60 and BFC - 30 are exemplary water heating solutions that combine efficiency, durability, and safety. With their advanced features and technologies, they are an excellent choice for anyone in need of reliable hot water, ensuring comfort and satisfaction for years to come.