Gis | A.O. Smith BFM - 100, BFM - 120 instruction

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Working principle of the appliance

gis

16	Instruction manual BFM

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A.O. Smith BFM - 100, BFM - 120 manual Gis

Contents

Page Page Read this manual carefully TrademarksLiability More information Gis Table of contents Troubleshooting Performing maintenanceWarranty certificate Electrical diagram About the appliance IntroductionWhat to do if you smell gas Regulations Symbol Target group Maintenance Forms of notation Target groupsIntroduction Document Overview of thisChapter Target groups Description Gis General working Working principle of the appliancePrinciple Appliance Working principle of the appliance Appliances heating cycle Protection for the appliance Water temperature protection Pressure switchFlame probe Protection Description Safety of the instal- lation Unvented installationVented installation 3 T&P valve Gis Installation Air humidity and ambient temperatureAir humidity and ambient temperature Packaging Installation Maximum floor loadWater composition Working clearances Technical specifica- tions Dimensions of the appliance Plan and elevation of the appliance General and electrical specifications Dimens DescriptionBFM100 BFM120 Ion Unit Gas data Description UnitNatural gas G20 20 mbar LP gas data G30 30 mbar butane Installation diagram Installation diagram Water connections, Vented Cold water sideRecirculation pipe 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 categoryPage Conversion to a different gas category Filling Filling Draining Draining unvented installations Draining Draining vented installations Gis ON/OFF switch Control panelExplanation of icons Control thermostat Burner control reset button Control panel Status of the appliance Error conditionsOperating modes Status of the appliance Starting the appliance Starting and runningAppliances heating cycle Starting and running Shutting down the appliance for a brief period OFF mode Shutting downIsolating the appliance from the mains Shutting the appliance down for a long period Shutting down Troubleshooting Control thermostat 7.5 Control thermostat Troubleshooting general errors Symptom Cause Solution Remark Gas smellWater leakage Explosive ignition Troubleshooting insufficient hot water Symptom Cause Solution Remark Insufficient hot water Troubleshooting No hot water Symptom Cause Solution Remark CyclePage Performing maintenance Introduction Preparation for maintenance Descaling and cleaning the tank Performing maintenanceWater-side mainte- nance 12.3.1 Checking the anodes IMD-0235 R2 Clean the burners Clean the orificesGas-side mainte- nance 12.4.1 Checking the flue baffles Finalising mainte- nance Warranty certificate 13.1 General warranty13.2 Tank warranty Conditions for Instal- lation and use Warranty certificate Electrical diagram BFM Electrical Diagram Electrical diagram Optional Components Electrical diagram Index 0306 Index