Related Manuals for A.O. Smith BFC 50
Summarization of Contents
Preface and Legal Information
Copyright, Trademarks, and Liability
Legal notices, warranty terms, and company liability.
Warranty and Compliance
Details of warranty terms and product compliance with regulations.
Regulations and Standards
Gas Safety Regulations and Industry Standards
Legal requirements and technical standards for installation.
About This Manual
Scope, Audience, and Conventions
Defines manual's purpose, audience, and notation rules.
Water Heater Introduction
BFC Water Heater Description and Components
Overview of the water heater's function and key parts.
Safety Precautions
General and Specific Safety Warnings
Critical safety advice for operation, maintenance, and hazards.
Interface and Controls
Operator Interface Description and Icons
Details of the display, buttons, and graphical symbols.
Water Heater Status and Operating Modes
Operating Modes Overview
Introduction to OFF, ON, EXTRA, and PROG modes.
PROG Mode and Error Conditions
PROG Mode Operation Scenarios
How the PROG mode functions under different time conditions.
Error Condition Display Format
How error codes and descriptions are presented on the display.
Service and Anode Warnings
Service Required and Anode Protection Warnings
Indicators for maintenance needs and anode status.
Using the Water Heater
Turning the Water Heater ON and Heating Cycle
Steps to activate the unit and description of the heating process.
Turning Off the Water Heater
Short Period Shutdown Procedure
Steps for temporary shutdown with frost protection.
Isolating and Long-Term Turn Off
Isolating from Mains Power
Safe procedure for disconnecting the unit from electrical supply.
Main Menu Navigation
Main Menu Options and Conventions
Overview of menu functions and navigation instructions.
Menu Functions: Switching, Temperature, and Week Program
Switching to ON Mode and Setting Temperature
Activating ON mode and adjusting water temperature.
Introduction to Week Program
Overview of the scheduling feature.
Week Program Management
Starting, Stopping, and Modifying Week Program
Procedures for managing the weekly schedule.
Week Program Time and Pump Settings
Setting Switch-Off Time and Water Temperature
Configuring end times and target temperatures for program periods.
Extra Period Functionality
Programming an Extra Period
Setting up temporary heating periods.
Settings Menu Options
Adjustable Settings and Menu Language
Overview of configurable parameters and language settings.
Introduction to Water Heater Operation
About the BFC Water Heater and Heating Cycle
Overview of the appliance and its heating process stages.
Working Principle of the Water Heater
Detailed explanation of how the water heater functions.
Safety Instructions
General Installation, Service, and Handling Safety
Warnings for installers, maintenance, and safe handling practices.
Safety Devices
Water Temperature Protection
How sensors protect against freezing and overheating.
Gas Control Valve, Fan, Pressure Switch, and Flame Probe
Safety functions of key components.
Installation Safety and Environmental Aspects
Installation Pressure Safety Measures
Preventing tank damage from excessive pressure.
Unvented, Vented Safety, and T&P Valve
Safety considerations for different systems and T&P valve.
Environmental Considerations
Information on recycling and disposal of materials.
Installation Requirements
Installation Warnings, Cautions, and Site Conditions
Safety notices for installers and site requirements.
Packaging and Floor Load
Guidelines for handling and floor support requirements.
Water Composition and Working Clearances
Water Composition Standards
Required water quality standards for optimal performance.
Working Clearance Requirements
Minimum space needed around the unit for access.
Water Connections
Unvented Water Connection Guide
Connecting cold water, hot water, and circulation pipes for unvented systems.
Condensation Drain Connection
Procedure for connecting the condensation drain pipe.
Vented Water Connections
Water Connections for Vented Systems
Connecting water supply, outlet, circulation, and drain for vented systems.
Gas Connection and Venting System
Gas Connection Guidelines
Requirements for connecting the gas supply safely.
Venting System Options
Overview of different venting system types.
Electrical Connections
Electrical Connection Safety and Preparation
Warnings and steps to prepare the terminal block.
Power and Optional Electrical Connections
Mains Power Connection
Connecting the unit to the main power supply.
Optional Electrical Connections
Details on transformers, pumps, and switches.
Commissioning the Water Heater
Filling Procedures (Unvented & Vented)
Steps for filling both unvented and vented installations.
Turn On Water Heater and Decommissioning
Turning the Water Heater On
Reference to the procedure for activating the unit.
Decommissioning and Turning Off Procedures
Steps for taking the unit out of service and turning it off.
Draining the Water Heater
Draining Unvented and Vented Installations
Steps to drain water from both unvented and vented systems.
Conversion of Gas Type
Gas Type Conversion Safety Cautions
Warnings for qualified personnel and post-conversion checks.
Settings Menu and Service Program
Operator Interface Usage and Hysteresis
Using the interface and adjusting temperature margin.
Service Program Functions Overview
Overview of tasks for installation and service engineers.
Displaying History Records
Displaying Error History
Accessing and viewing stored error logs.
Displaying Appliance History
Viewing operational data like burning hours and ignitions.
Setting Pump and Service Interval
Switching Pump On/Off and Setting Service Interval
Controlling pump and setting maintenance reminders.
Legionella Prevention and Heating Configuration
Setting Legionella Prevention Cycles
Enabling, disabling, and scheduling legionella prevention.
Central Heating Configuration
Specifying connection to a central heating system.
Maintenance Procedures
Maintenance Notes and Preparation
General advice on maintenance and initial preparation steps.
Water-Side Maintenance
Descaling the Tank
Process for removing scale to ensure efficient heat transfer.
Condensate Drain and Gas-Side Maintenance
Cleaning the Condensate Drain
Ensuring proper drainage to prevent blockages.
Cleaning Burner and Heat Exchanger
Procedures for cleaning these components.
Troubleshooting Errors and Warnings
Errors and Warnings Classification
Types of errors and how they are indicated.
General Errors (Not Displayed)
Errors indicated by symptoms rather than display codes.
Displayed Errors and Their Causes
Detailed list of error codes, causes, and measures.
Appendices
Technical Details by Model
Specifications for BFC 28, 30, 50, 60 models.
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