A.O. Smith
BFC - 30, BFC - 60
service manual
C43 B23 C33 C13 C53
Troubleshooting
Specification
Install
Electrical diagram
Error conditions
Symbol Target group
Connecting the mains voltage
Warranty
Dimension
Maintenance
Page 27
is
Types of appliances
C43
B23
C33
C13
C53
IMD-0468
R0
Instruction manual BFC
27
Page 26
Page 28
Image 27
Page 26
Page 28
Contents
Installation User
Your installer
More information
Read this manual carefully
Trademarks
Liability
Gis
Table of contents
Performing maintenance
Service program
Troubleshooting
Maintenance frequency
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
Appliances heating cycle
Safety of the installation
Working principle of the appliance
General working principle of the appliance
Working principle of the appliance
Water temperature protection TheGas valve
Pressure switch Flame probe
Appliances heating cycle Protection for the appliance
4 Fan
Water temperature protection
Pressure switch
Gas valve
Flame probe
Safety of the instal- lation
Unvented installation
Vented installation
Conditions
Installation
Packaging
Environmental
Working clearances
Air humidity and ambient temperature
Appliance maximum floor load
Water composition
Working clearances
Technical specifica- tions
Dimensions of the appliance
Unit BFC
General and electrical specifications
Dimen Description
Sion
General 3+
Gas data
Description II2H3+ Unit
Gas category 2H G20 20 mbar
Installation diagram
Circulation pipe
Water connections, Unvented
Cold water side
Hot water side
Water connections, Vented
Gas connection
Air supply and flue Introduction
Requirements for flue gas discharge materials
C43 B23 C33 C13 C53
Appliance Diameter Maximum length Number of 90º Bends
Concentric connections
Practical example of concentric flue gas discharge
Type of appliance Description
Appliance with concentric flue gas discharge material
Specifications
Specification Description
Concentric wall flue terminal specifications C13
Practical example of parallel flue gas outlet
Parallel connections
Electrical connection
Preparation Connecting the mains voltage
Preparation
Connecting the mains voltage
Isolating transformer
10.2 Preparation
Connecting an extra error signal Alarm OUT
Connecting continuous pump
Connecting a program-controlled pump
Connecting an extra on mode switch Tank on
11.1
Checking the supply pressure and burner pressure
Procedure to check pressures
Finish off 3.11.4 Finalising
Adjusting the pressure
Finalising
Gas data
Conversion to a different gas category
Orifice assembly
Conversion of gas control
Conversion to a different gas category
Page
Conversion to a different gas category
Filling
Installation diagram
Filling
Filling unvented installations
Filling vented installations
Filling the appliance
Draining
Draining
Min
Gis
Meaning of icons
Electronic controller ON/OFF switch
Control panel
Controls
Control panel
PC connection
Operating modes Error conditions Service condition
Status of the appliance
Operating modes
Menu 11 Main menu chapter
Error conditions
Manual 13 Troubleshooting
Status of the appliance
Manual 14 Maintenance frequency
Service condition
Gis
Starting and running Appliances heating cycle
Open 3.5 Installation diagram the manual gas valve
Starting and running
Appliances heating cycle
Starting and running
Shutting the appliance down for a long period
Shut the appliance down for a brief period OFF mode
Shutting down
Electrically isolating the appliance
Shutting down
Switching on the on mode
Main menu
Notational convention for menu-related instructions
Changing the appliances standard week program
Setting water temperature during on mode
Week program
Starting and stopping the week program
Week program setting the switch- on time
Week program setting the switch- off time
Week program setting the water temperature
Adding times to a week program
Week program setting the program- controlled pump
Extra period
Deleting times from a week program
Setting the program-controlled pump
Setting the switch-on time
Setting the switch-off time
Setting the water temperature
Adjustable settings
Settings
Setting menu language
Setting day and time
Displaying appliance specifications
Service program
Setting the hysteresis
Displaying the error history
Setting the display backlight time
Switching the pump on or off
Setting the service interval
Setting the display contrast
Troubleshooting
General errors
Displayed errors
Start the appliance up 9 Starting and running
Troubleshooting table for general errors
Symptom Cause Solution Remark Gas smell
Display is off
Insufficient or absent
Symptom Cause Solution Remark Water leakage
Explosive ignition
Hot water supply
Troubleshooting table for displayed errors Displayed errors
S15 blocking error
Code + Description Cause Solution Remark S12 blocking error
S13 blocking error
S14 blocking error
Code + Description Cause Solution Remark F02 lock out error
Check the values 2.4.5 Pressure switch
Code + Description Cause Solution Remark
Flue
Code + Description Cause Solution Remark F03 lock out error
Maintenance 15.2 Preparation for maintenance. If there is
Appliance
F05 lock out error
Code + Description Cause Solution Remark F04 lock out error
F09 lock out error
Code + Description Cause Solution Remark F06 lock out error
F07 lock out error
F08 lock out error
F11 blocking error
Code + Description Cause Solution Remark F10 lock out error
Selected appliance
Code + Description Cause Solution Remark C02 lock out error
C03 blocking error
C04 blocking error
Code + Description Cause Solution Remark E01 blocking error
E03 lock-out error
E04 lock-out error
Page
Interval
Maintenance frequency
Maintenance frequency
Introduction Preparation for maintenance
Performing maintenance
Performing maintenance
Descaling and cleaning the tank
Water-side mainte- nance Introduction
Checking the anodes
Cleaning the heat exchanger Finalizing mainte- nance
Cleaning condensation water discharge
Clean the burners
Clean the orifices
Conditions for Instal- lation and use
Warranty certificate
16.1 General warranty
16.2 Tank warranty
Warranty certificate
Appendices
Electrical diagram
Appendices
Electrical diagram
Terminal Block Connections
Appendices
Example Period
Week program card
Period
Tset Pump
Page
Index
Index
0306
Top
Page
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Contents