A.O. Smith
28 30 50 60
service manual
Gis
Troubleshooting
Specification
Install
Electrical diagram
Error conditions
Symbol Target group
Warranty
Dimension
Maintenance
Setting the switch-on time
Page 12
1
Introduction
gis
12
Instruction Manual BFC
Page 11
Page 13
Image 12
Page 11
Page 13
Contents
Release R.1.3 UK
Your installer
Copyright
Trademarks
Liability
More information
Page
Table of contents
Gis
Filling and draining
Control panel
Status of the appliance
Starting up and shutting down
Service program
Troubleshooting
Maintenance frequency
Maintenance
Appendices
Index
Introduction
What to do if you smell gas Regulations
About the appliance
Target groups Maintenance Forms of notation
Symbol Target group
Remark
Introduction
Overview of this
Document
Overview of this document
Chapter Target groups Description
Gis
Functioning of the appliance
Introduction Functional description of the appliance
Introduction
Water temperature protection Gas control
Pressure switch Ionisation rod
Appliance’s heating cycle Protection for the appliance
Water temperature protection
Pressure switch
Gas control
3 Fan
Safety of the instal- lation
Unvented installation
Vented installation
Ionisation rod
Installation
Introduction Packaging Environmental conditions
Humidity and ambient temperature
Maximum floor loading
Water composition
Working clearances
Environmental conditions
Working clearances
Technical specifications
Plan and elevation of the appliance
Dimensions
Technical specifications
Dime Description BFC Nsion
Unit BFC
VAC
Installation diagram
Gas data
General
G30-30 mbar butane
Installation
Unvented
Water connections, Unvented Cold water side
Hot water side
Circulation pipe
Condensation drainage
Water connections, Vented
Gas connection
See paragraph ’3.6.4 Condensation drainage’
See din Figure
Dimension BFC
Air supply and flue gas discharge
Air supply and flue gas discharge
Specification Description
Concentric wall flue terminal
Concentric roof flue terminal specifications
Concentric roof flue terminal
Electrical connection
Preparation
Preparation Mains voltage
Mains voltage
Electrical connection
Extra on mode switch Tank on
Isolating Transformer
Continuous pump
Program-controlled pump
Connecting extra error signal Alarm OUT
Checking the supply Pressure and burner
Checking the supply pressure and burner pressure
Appliance
Main menu
Conversion to a different gas category
Conversion to a different gas category
Remove the burner as complete assembly
13 Conversion of gas control
Check the burner and supply pressure see paragraph
Installation
Filling the appliance Filling unvented installations
Filling vented installations
Filling and draining
Filling the appliance
Installation diagrams F d c
Filling and draining
Draining unvented installations
Draining vented installations
Draining the appliance
Draining the appliance
Gis
Control panel
Introduction Operating
Explanation of the icons ON/OFF switch of ThermoControl
Navigation buttons
PC connection
Control panel
Operating modes Error conditions Service condition
Status of the appliance
Introduction Operating modes
Error conditions
Status of the appliance
Service condition
Service condition
Gis
Open the gas valve see ’ .1 Installation diagrams’
Starting up and shutting down
Introduction Starting up
Shutting down
Shut the appliance down for a brief period OFF mode
Disconnect the appliance from the mains
Shut the appliance down for a longer period
Starting up and shutting down
Appliance’s heating cycle
Appliance’s heating cycle
12 Ignition
Main menu
Notational convention for menu-related instructions
Switching into on mode Setting the water temperature
Setting the water temperature via Setpoint Menu
Setting water temperature during on mode
Week programme Introduction
Starting up and shutting down the week program
Changing the appliance’s standard week program Remark
Setting the switch-on time
Setting switch-off time
Example
Setting the water temperature
Setting program-controlled pump
Adding times to a week program
Week programme
Deleting times from a week program
20 Period added
23 week program options
Extra period
Programming an extra period
Settings
Setting menu language
Settings
Setting day and time
Displaying appliance specifications Remark
46 Main menu
Gis
Service program
Setting the hysteresis
Displaying the error history
Setting the pump on/off
Setting the service interval
Service program
Displaying the appliance history
Setting the display contrast
Setting the backlight time
Setting the display scroll speed
Setting the display contrast
Service program
Troubleshooting
General errors
Displayed errors
Troubleshooting table for general errors
Symptom Cause Solution Remark Gas smell Gas leak
Symptom Cause Solution Remark Display is off
See appendix ’A.2 Electrical diagram BFC’
Water leakage
Troubleshooting table for displayed errors
Symptom Cause Solution Remark Explosive ignition
Insufficient or no hot
Water
S02 blocking error
S03 blocking error
S04 blocking error
S05 blocking error
S13 blocking error
S14 blocking error
S15 blocking error
Phase-sensitive. See ’3.10 Electrical connection’
F02 lock out error
Appliance specifications’
How to bleed air from the gas line, and measure the supply
F06 lock out error
F07 lock out error
F08 lock out error
’3.9 Air supply and flue gas discharge’
Error F09 remains active in the event that the water
F10 lock out error
Release R.1.3 UK
Release R.1.3 UK
C04 blocking error
E01 blocking error
E03 blocking error
E04 blocking error
Maintenance frequency
Determining service interval
Maintenance frequency
Maintenance
Remark Preparation for maintenance
Starting up Maintenance
Descaling and cleaning the tank
Cleaning condensation water discharge
Cleaning the burner
Water-side mainte- nance Introduction
Cleaning the orifice
Cleaning heat exchanger
12.4.3
Remark Finalising mainte- nance
Warranty Certificate
Warranty Certificate
Appendices
Week program card
Electrical diagram
Appendices
Week program card
Release R.1.3 UK
IX Index
Index
0306
IX Index
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