A.O. Smith BFC - 80, BFC -100 service manual Connecting a program-controlled pump

Models: BFC - 80 BFC -100

1 96
Download 96 pages 7.52 Kb
Page 35
Image 35

is

4.If you have no more connections to make:

-Fit the cap on the electrical terminal block.

-Fit the plastic covers onto the appliance.

5.Connect the power cable to the isolator.

3.10.5Connecting a program-controlled pump

1.Connect phase (L), neutral (N) and earth () to terminals 10, 11 and 12 as stated in the table (3.10.2 "Preparation").

2.Fit the cable in the strain relief.

3.If you have no more connections to make:

-Fit the cap on the electrical terminal block.

-Fit the plastic covers onto the appliance.

3.10.6Connecting an extra ON mode switch ("Tank ON")

Tank ON is a facility for connecting an external ON/OFF switch. In the OFF position, the programmed operating state is active. In the ON position, the programmed operating mode is overruled, and the "ON mode" is active.

1.Connect the cables (X3 and X4) to points 8 and 9 according to the table (3.10.2 "Preparation").

2.Fit the cable in the strain relief.

3.If you do not need to make any more connections:

-Fit the cap on the electrical connector block.

-Fit the plastic covers onto the appliance.

3.10.7Connecting an extra error signal ('Alarm OUT' )

Alarm OUT is a potential free terminal that is switched when an error is detected. This can be used to signal errors, for example with a lamp. A 230 V circuit can be directly powered. Other voltages require a relay prescribed by the manufacturer.

1.Connect the phase cables (X1 and X2) to terminals 13 and 14 according to the table (3.10.2 "Preparation"). If required, connect earth () to terminal 15.

2.Fit the cable in the strain relief.

3.If you have no more connections to make:

-Fit the cap on the electrical terminal block.

-Fit the plastic covers onto the appliance.

3.11Checking the supply pressure and burner pressure

Note

Before starting the appliance and/or checking the supply pressure and burner pressure, you must fill (5 "Filling") the appliance.

Caution

Before starting up for the first time or after conversion, you must always check the supply pressure and burner pressure.

Note

The easiest way to check the gas pressures is by using two pressure gauges. This procedure assumes that these two gauges are available.

Instruction manual BFC

35

Page 35
Image 35
A.O. Smith BFC - 80, BFC -100 Connecting a program-controlled pump, Connecting an extra on mode switch Tank on

BFC - 80, BFC -100 specifications

A.O. Smith is a renowned name in the water heater industry, and its BFC series, which includes the BFC-100 and BFC-80 models, exemplifies their commitment to innovation and efficiency. These units are designed to meet the demanding needs of both residential and commercial applications, providing reliable hot water solutions.

The A.O. Smith BFC-100 and BFC-80 are distinguished by their high capacity and robust design. The BFC-100 model boasts a capacity of 100 gallons, while the BFC-80 is ideal for those requiring 80 gallons. This makes them suitable for larger households or commercial establishments where hot water demand can be significant.

One of the primary features of these models is their advanced heating technology. Both units utilize a high-efficiency burner that ensures rapid heating and minimal energy consumption. This means users benefit from shorter wait times for hot water, reducing overall energy costs. The BFC series is also equipped with a special flame retention head that enhances combustion efficiency and prolongs the lifespan of the unit.

In terms of construction, the BFC-100 and BFC-80 models are built with high-quality materials that enhance durability and resistance to corrosion. The tanks are insulated with high-density foam, which improves energy retention and helps maintain water temperature for longer periods. This is crucial for conserving energy and minimizing heating costs.

Safety is a top priority for A.O. Smith, and the BFC series reflects this commitment. Each unit comes with a range of safety features, including a temperature and pressure relief valve that prevents overheating and excessive pressure buildup. Additionally, they are designed to meet strict industry standards, ensuring peace of mind for users.

Installation of both models is straightforward, with flexible venting options that accommodate various building layouts. Whether you are upgrading an existing water heating system or installing a new one, the BFC series is designed to integrate seamlessly.

In summary, the A.O. Smith BFC-100 and BFC-80 are excellent options for those seeking reliable, efficient, and durable water heating solutions. With their impressive capacity, advanced heating technology, robust construction, and safety features, these models stand out in the market and are sure to meet the hot water needs of any household or commercial space. Whether for residential use or in a business setting, A.O. Smith’s BFC series represents quality and innovation in hot water heating.