is

Code + Description

Cause

Solution

Remark

 

 

 

 

 

Air pressure switch fails

Air pressure switch

1.

Check the wiring between the air pressure switch and the

 

to close during pre-

leads

 

controller. Rectify any defect:

 

purge.

 

 

- if any wires are damaged, replace the wiring harness

 

 

 

 

 

 

 

 

- properly connect loose or detached hoses

 

 

 

2.

Reset appliance controller

 

 

 

 

 

 

 

Loose air pressure

1.

Check hoses between air pressure switch and burner/fan.

 

 

switch hoses

 

Rectify any defect:

 

 

 

 

- if any wires are damaged, replace the wiring harness

 

 

 

 

- properly connect loose or detached hoses

 

 

 

2.

Reset appliance controller

 

 

 

 

 

 

 

Heat exchanger and/or

3.

Measure the pressure differential across the air pressure switch

 

 

chimney flue is blocked

4.

Check the values (2.4.5 "Pressure switch")

 

 

 

5.

Check heat exchanger, condensation drainage and/or chimney

 

 

 

 

flue for blockages

 

 

 

6.

Clear any blockage that may be present.

 

 

 

7.

Reset appliance controller

 

 

 

 

 

 

 

Defective controller

1.

Check that the controller is receiving power

 

 

 

2.

Check that the controller is correctly connected

 

 

 

3.

If there is no electrical power, check the power supply to the

 

 

 

 

terminal block, or replace the controller.

 

 

 

4.

Rectify any incorrect connections.

 

 

 

5.

Reset appliance controller

 

 

 

 

 

 

Instruction manual BFC

75

Page 75
Image 75
A.O. Smith BFC - 30, BFC - 60 Code + Description Cause Solution Remark, Check the values 2.4.5 Pressure switch

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.

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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.