A.O. Smith
BFC - 60, BFC - 30
service manual
Gis
Troubleshooting
Specification
Install
Electrical diagram
Error conditions
Symbol Target group
Connecting the mains voltage
Warranty
Dimension
Maintenance
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8
Status of the appliance
gis
54
Instruction manual BFC
Page 53
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Page 53
Page 55
Contents
Installation User
Your installer
Liability
Read this manual carefully
Trademarks
More information
Gis
Table of contents
Maintenance frequency
Service program
Troubleshooting
Performing maintenance
Appendices
Table of contents
Introduction
About the appliance
What to do if you smell gas Regulations
Target groups Maintenance
Symbol Target group
Introduction
Gis
Overview of this
Document
Chapter Target groups Description
General working principle of the appliance
Safety of the installation
Working principle of the appliance
Appliances heating cycle
Appliances heating cycle Protection for the appliance
Water temperature protection TheGas valve
Pressure switch Flame probe
Working principle of the appliance
Gas valve
Water temperature protection
Pressure switch
4 Fan
Vented installation
Safety of the instal- lation
Unvented installation
Flame probe
Environmental
Installation
Packaging
Conditions
Water composition
Air humidity and ambient temperature
Appliance maximum floor load
Working clearances
Working clearances
Dimensions of the appliance
Technical specifica- tions
Sion
General and electrical specifications
Dimen Description
Unit BFC
Gas category 2H G20 20 mbar
Gas data
Description II2H3+ Unit
General 3+
Installation diagram
Hot water side
Water connections, Unvented
Cold water side
Circulation pipe
Water connections, Vented
Gas connection
Air supply and flue Introduction
Requirements for flue gas discharge materials
C43 B23 C33 C13 C53
Type of appliance Description
Concentric connections
Practical example of concentric flue gas discharge
Appliance Diameter Maximum length Number of 90º Bends
Specifications
Appliance with concentric flue gas discharge material
Concentric wall flue terminal specifications C13
Specification Description
Parallel connections
Practical example of parallel flue gas outlet
Preparation Connecting the mains voltage
Electrical connection
Preparation
Connecting the mains voltage
Isolating transformer
10.2 Preparation
Connecting an extra on mode switch Tank on
Connecting continuous pump
Connecting a program-controlled pump
Connecting an extra error signal Alarm OUT
Checking the supply pressure and burner pressure
11.1
Procedure to check pressures
Gas data
Adjusting the pressure
Finalising
Finish off 3.11.4 Finalising
Orifice assembly
Conversion to a different gas category
Conversion to a different gas category
Conversion of gas control
Page
Conversion to a different gas category
Installation diagram
Filling
Filling the appliance
Filling unvented installations
Filling vented installations
Filling
Draining
Draining
Min
Gis
Controls
Electronic controller ON/OFF switch
Control panel
Meaning of icons
PC connection
Control panel
Operating modes Error conditions Service condition
Status of the appliance
Operating modes
Status of the appliance
Error conditions
Manual 13 Troubleshooting
Menu 11 Main menu chapter
Service condition
Manual 14 Maintenance frequency
Gis
Appliances heating cycle
Open 3.5 Installation diagram the manual gas valve
Starting and running
Starting and running Appliances heating cycle
Starting and running
Electrically isolating the appliance
Shut the appliance down for a brief period OFF mode
Shutting down
Shutting the appliance down for a long period
Shutting down
Switching on the on mode
Main menu
Notational convention for menu-related instructions
Starting and stopping the week program
Setting water temperature during on mode
Week program
Changing the appliances standard week program
Week program setting the switch- on time
Week program setting the switch- off time
Week program setting the water temperature
Week program setting the program- controlled pump
Adding times to a week program
Deleting times from a week program
Extra period
Setting the water temperature
Setting the switch-on time
Setting the switch-off time
Setting the program-controlled pump
Setting day and time
Settings
Setting menu language
Adjustable settings
Displaying appliance specifications
Service program
Setting the hysteresis
Displaying the error history
Setting the display contrast
Switching the pump on or off
Setting the service interval
Setting the display backlight time
Troubleshooting
General errors
Displayed errors
Display is off
Troubleshooting table for general errors
Symptom Cause Solution Remark Gas smell
Start the appliance up 9 Starting and running
Hot water supply
Symptom Cause Solution Remark Water leakage
Explosive ignition
Insufficient or absent
Troubleshooting table for displayed errors Displayed errors
S14 blocking error
Code + Description Cause Solution Remark S12 blocking error
S13 blocking error
S15 blocking error
Code + Description Cause Solution Remark F02 lock out error
Code + Description Cause Solution Remark
Check the values 2.4.5 Pressure switch
Appliance
Code + Description Cause Solution Remark F03 lock out error
Maintenance 15.2 Preparation for maintenance. If there is
Flue
Code + Description Cause Solution Remark F04 lock out error
F05 lock out error
F08 lock out error
Code + Description Cause Solution Remark F06 lock out error
F07 lock out error
F09 lock out error
Code + Description Cause Solution Remark F10 lock out error
F11 blocking error
C04 blocking error
Code + Description Cause Solution Remark C02 lock out error
C03 blocking error
Selected appliance
Code + Description Cause Solution Remark E01 blocking error
E03 lock-out error
E04 lock-out error
Page
Maintenance frequency
Interval
Maintenance frequency
Performing maintenance
Introduction Preparation for maintenance
Performing maintenance
Descaling and cleaning the tank
Water-side mainte- nance Introduction
Checking the anodes
Clean the orifices
Cleaning condensation water discharge
Clean the burners
Cleaning the heat exchanger Finalizing mainte- nance
16.2 Tank warranty
Warranty certificate
16.1 General warranty
Conditions for Instal- lation and use
Warranty certificate
Electrical diagram
Appendices
Electrical diagram
Appendices
Terminal Block Connections
Appendices
Tset Pump
Week program card
Period
Example Period
Page
Index
0306
Index
Top
Page
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Contents