A.O. Smith BFM - 100 manual Gas-side mainte- nance 12.4.1, Clean the burners, Clean the orifices

Page 66

12

12.4Gas-side mainte- nance

12.4.1

Performing maintenance

s

 

Introduction

The following steps must be carried out on the gas side:

1.Clean the burner(s).

2.Clean the orifice(s).

3.Checking the flue baffles.

12.4.2Clean the burner(s)

1.Detach the burner(s)

2.Remove all contamination present on the burner(s).

3.Fit the burner(s)

12.4.3Clean the orifice(s)

1.Detach the orifice(s)

2.Remove all contamination present in the orifice(s).

3.Fit the orifice(s)

12.4.4Checking the flue baffles

12.5Finalising mainte- nance

Warning

The flue baffles can be hot.

1.Remove the flue baffles from the appliance.

2.Check the flue baffles for the presence of corrosion, removing this if necessary.

3.Check the flue baffles for wear, and replace the flue baffles if necessary.

To finalise the maintenance, carry out the following steps:

1.Fill the appliance (5 "Filling").

2.Start the appliance (9 "Starting and running").

66

Instruction manual BFM

Image 66
Contents Page Page Liability Read this manual carefullyTrademarks More informationGis Table of contents Warranty certificate TroubleshootingPerforming maintenance Electrical diagramIntroduction About the applianceWhat to do if you smell gas Regulations Maintenance Forms of notation Target groups Symbol Target groupIntroduction Overview of this DocumentChapter Target groups Description Gis Working principle of the appliance General workingPrinciple Appliance Working principle of the appliance Appliances heating cycle Protection for the appliance Flame probe Water temperature protectionPressure switch Protection DescriptionVented installation Safety of the instal- lationUnvented installation 3 T&P valveGis Air humidity and ambient temperature InstallationAir humidity and ambient temperature PackagingWater composition InstallationMaximum floor load Working clearancesTechnical specifica- tions Dimensions of the appliance Plan and elevation of the applianceBFM100 BFM120 Ion General and electrical specificationsDimens Description UnitNatural gas G20 20 mbar Gas dataDescription Unit LP gas data G30 30 mbar butaneInstallation diagram Installation diagramRecirculation pipe Water connections, VentedCold water side Hot water sideSee C in the installation diagram 3.5 Installation diagram Circulation pipe Water connections, UnventedCirculation pipe Gas connectionInstalling chimney flue components for BFM 30, 50 Air supply and flue IntroductionConcentric wall flue terminal BFM Subject DescriptionConcentric roof flue terminal BFM 30, 50 C33 concentric roof flue terminal specifications BFM 30, 50 Installing chimney flue components for BFM 100Concentric wall flue terminal BFM100 C13 concentric wall flue terminal specifications BFM 100 M2000 MDV SCCConcentric roof flue terminal BFM 100 11 C33 concentric roof flue terminal specifications BFM 100 Electrical connectionConnecting the mains power Mains power Fan Alarm OffChecking the supply pressure and burner pressure Gas control for BFM 30 throughGas control for BFM BFM 30, 50, 80 BFMConversion to a different gas category ConversionOrifice replacement Conversion to a different gas categoryPage Conversion to a different gas category Filling Filling Draining Draining unvented installations DrainingDraining vented installations Gis Explanation of icons ON/OFF switchControl panel Control thermostatBurner control reset button Control panelError conditions Status of the applianceOperating modes Status of the appliance Starting and running Starting the applianceAppliances heating cycle Starting and running Isolating the appliance from the mains Shutting down the appliance for a brief period OFF modeShutting down Shutting the appliance down for a long periodShutting down Troubleshooting Control thermostat 7.5 Control thermostatWater leakage Troubleshooting general errorsSymptom Cause Solution Remark Gas smell Explosive ignitionTroubleshooting insufficient hot water Symptom Cause Solution Remark Insufficient hot waterTroubleshooting No hot water Symptom Cause Solution Remark CyclePage Performing maintenance Introduction Preparation for maintenanceWater-side mainte- nance 12.3.1 Descaling and cleaning the tankPerforming maintenance Checking the anodesIMD-0235 R2 Gas-side mainte- nance 12.4.1 Clean the burnersClean the orifices Checking the flue baffles Finalising mainte- nance13.2 Tank warranty Warranty certificate13.1 General warranty Conditions for Instal- lation and useWarranty certificate Electrical diagram BFM Electrical Diagram Electrical diagramOptional Components Electrical diagram Index 0306 Index