A.O. Smith
BFM - 100, BFM - 120
manual
Troubleshooting
Install
Electrical diagram
Mains power Fan Alarm Off
Error conditions
Symbol Target group
Warranty
Dimension
Maintenance
Symptom Cause Solution Remark
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Page 3
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Contents
Page
Page
Liability
Read this manual carefully
Trademarks
More information
Gis
Table of contents
Warranty certificate
Troubleshooting
Performing maintenance
Electrical diagram
What to do if you smell gas Regulations
Introduction
About the appliance
Introduction
Maintenance Forms of notation Target groups
Symbol Target group
Chapter Target groups Description
Overview of this
Document
Gis
Principle Appliance
Working principle of the appliance
General working
Working principle of the appliance
Appliances heating cycle Protection for the appliance
Flame probe
Water temperature protection
Pressure switch
Protection Description
Vented installation
Safety of the instal- lation
Unvented installation
3 T&P valve
Gis
Air humidity and ambient temperature
Installation
Air humidity and ambient temperature
Packaging
Water composition
Installation
Maximum floor load
Working clearances
Technical specifica- tions
Dimensions of the appliance
Plan and elevation of the appliance
BFM100 BFM120 Ion
General and electrical specifications
Dimens Description
Unit
Natural gas G20 20 mbar
Gas data
Description Unit
LP gas data G30 30 mbar butane
Installation diagram
Installation diagram
Recirculation pipe
Water connections, Vented
Cold water side
Hot water side
See C in the installation diagram 3.5 Installation diagram
Circulation pipe Water connections, Unvented
Circulation pipe
Gas connection
Installing chimney flue components for BFM 30, 50
Air supply and flue Introduction
Concentric wall flue terminal BFM
Subject Description
Concentric roof flue terminal BFM 30, 50
C33 concentric roof flue terminal specifications BFM 30, 50
Installing chimney flue components for BFM 100
Concentric wall flue terminal BFM100
C13 concentric wall flue terminal specifications BFM 100
M2000 MDV SCC
Concentric roof flue terminal BFM 100
11 C33 concentric roof flue terminal specifications BFM 100
Electrical connection
Connecting the mains power
Mains power Fan Alarm Off
Checking the supply pressure and burner pressure
Gas control for BFM 30 through
Gas control for BFM
BFM 30, 50, 80
BFM
Conversion to a different gas category
Conversion
Orifice replacement
Conversion to a different gas category
Page
Conversion to a different gas category
Filling
Filling
Draining
Draining unvented installations
Draining
Draining vented installations
Gis
Explanation of icons
ON/OFF switch
Control panel
Control thermostat
Burner control reset button
Control panel
Operating modes
Error conditions
Status of the appliance
Status of the appliance
Appliances heating cycle
Starting and running
Starting the appliance
Starting and running
Isolating the appliance from the mains
Shutting down the appliance for a brief period OFF mode
Shutting down
Shutting the appliance down for a long period
Shutting down
Troubleshooting
Control thermostat 7.5 Control thermostat
Water leakage
Troubleshooting general errors
Symptom Cause Solution Remark Gas smell
Explosive ignition
Troubleshooting insufficient hot water
Symptom Cause Solution Remark Insufficient hot water
Troubleshooting No hot water
Symptom Cause Solution Remark
Cycle
Page
Performing maintenance
Introduction Preparation for maintenance
Water-side mainte- nance 12.3.1
Descaling and cleaning the tank
Performing maintenance
Checking the anodes
IMD-0235 R2
Gas-side mainte- nance 12.4.1
Clean the burners
Clean the orifices
Checking the flue baffles Finalising mainte- nance
13.2 Tank warranty
Warranty certificate
13.1 General warranty
Conditions for Instal- lation and use
Warranty certificate
Electrical diagram
BFM Electrical Diagram
Electrical diagram
Optional Components
Electrical diagram
Index
0306
Index
Related pages
Where can I find the installation guide for the
MGX 8250
?
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