is

TERMINAL BLOCK CONNECTIONS:

Earth

N Neutral

L Phase input of controller

L1Phase output of isolating transformer (secondary side)

L2Phase input of isolating transformer (primary side)

L3Phase input of program-controlled pump

L4Live input of frequency controller

L5Phase input of continuous pump

COMPONENTS:

AController

BFlame probe

CHot surface igniter

DGas control

EBurner earth connection

FExtra ON mode switch

GProgram-controlled pump

HExternal error signal connection

JIsolating transformer

KDouble-pole isolator

LController 0/I switch

MDisplay

NFan

OTemperature sensor (T2 - bottom of tank)

PDummy

QTemperature sensor (T1 - top of tank)

RSelection resistor

SPressure switch

TPotentiostat

UFrequency controller

VRS-485 interface

WElectrical anodes

XSignalling for electrical anodes KY Mains power choke and EMC filter

CONTROLLER CONNECTIONS:

J2 Power connection for controller J19External error signal connection J20Gas control connection J21Program-controlled pump connection J36Controller display connection J39Fan control signal connection

JP2Flame probe and hot surface igniter connection JP3Temperature sensor T2 connection JP4Dummy connection

JP5Temperature sensor T1 connection

JP6Connection for selection resistor, pressure switch and anode signalling

JP8Extra ON mode switch connection F1 Fuse

F3 Fuse

Instruction manual BFC

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A.O. Smith BFC - 80, BFC -100 service manual Terminal Block Connections

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.