Status of the appliance, Shutting down | A.O. Smith BFM - 100

Table of contents

8	Status of the appliance -							- - - - - -							-	-	-	-	-	-	-		-	-	-	-	-	-	-	51
8.1	Introduction - - -	-	-	-	-	-	- - - -				-	- -		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 51
8.2	Operating modes	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 51
8.3	Error conditions -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 51

9	Starting and running - - - - - - - -											-	-	-	-	-	-	-		-	-	-	-	-	-	-	53
9.1	Introduction - - - - - -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 53
9.2	Starting the appliance -	-	-	-	-	-	- -		- -		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 53
9.3	The appliance's heating cycle -					-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 53

10	Shutting down	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	55
10.1	Introduction - - -	- -	-	-	-	-	-	-	-	-	-	-	- -	-	-	-	-	-	-	-	- -	-	-	-	-	-	- 55

10.2Shutting down the appliance for a brief period (OFF mode)- - - - - - - - - 55

10.3	Isolating the appliance from the mains - - - -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 55
10.4	Shutting the appliance down for a long period	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 55

11	Troubleshooting - - - - - - - - - -						-	-	-	-	-	-	-		-	-	-	-	-	-	-	57
11.1	Introduction - - - - - - - - - -	-	-	-	- -	-	-	-	- - - - -					- - - -				-	-	-	- - 57
11.2	Troubleshooting: general errors - - - - - - - - - - - - - - - - - - - - - - 58
11.3	Troubleshooting: insufficient hot water - -					-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 59
11.4	Troubleshooting: No hot water-	-	-	-	- -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 60

12	Performing maintenance - - - - - - - - - - - - - - - - - - - -																										63
12.1	Introduction - - - - - - - - -				-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 63
12.2	Preparation for maintenance				-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 63
12.3	Water-side maintenance		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 64
12.4	Gas-side maintenance	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 66
12.5	Finalising maintenance	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 66

13	Warranty (certificate) - - - - - - - -			-	-	-	-	-	-	-		-	-	-	-	-	-	-	67
13.1	General warranty - - - - - -	- - - - - -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 67
13.2	Tank warranty- - - - - - - - - - - - - -		- - - - - - - - - - - - - - - -																- 67
13.3	Conditions for Installation and use - - - - - - - - - - - - - - - - - - - -																		- 67
13.4	Exclusions - - - - - - - - -	- - - - - -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 68
13.5	Scope of the warranty - - - - - - - - - -		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 68
13.6	Claims - - - - - - - - - - - - - - - - -		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 68
13.7	Obligations of A.O. Smith - -	- - - - - -	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 68

14	Electrical diagram -	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-		-	-	-	-	-	-	69
14.1	Introduction - - - - - - - - -			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 69
14.2	BFM Electrical Diagram.-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	- 70

6	Instruction manual BFM

Image 6

A.O. Smith BFM - 100 Status of the appliance, Starting and running, Shutting down, Troubleshooting, Performing maintenance

Contents

Page Page Liability Read this manual carefullyTrademarks More information Gis Table of contents Warranty certificate TroubleshootingPerforming maintenance Electrical diagram Introduction 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 Description Vented installation Safety of the instal- lationUnvented installation 3 T&P valve Gis Air humidity and ambient temperature InstallationAir humidity and ambient temperature Packaging Water composition InstallationMaximum floor load Working clearances Technical specifica- tions Dimensions of the appliance Plan and elevation of the appliance BFM100 BFM120 Ion General and electrical specificationsDimens Description Unit Natural gas G20 20 mbar Gas dataDescription Unit LP gas data G30 30 mbar butane Installation diagram Installation diagram Recirculation pipe Water connections, VentedCold 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 categoryPage Conversion to a different gas category Filling Filling Draining Draining unvented installations Draining Draining vented installations Gis Explanation of icons ON/OFF switchControl panel Control thermostat Burner control reset button Control panel Error 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 period Shutting down Troubleshooting Control thermostat 7.5 Control thermostat Water leakage Troubleshooting general errorsSymptom 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 CyclePage Performing maintenance Introduction Preparation for maintenance Water-side mainte- nance 12.3.1 Descaling and cleaning the tankPerforming maintenance Checking the anodes IMD-0235 R2 Gas-side mainte- nance 12.4.1 Clean the burnersClean the orifices Checking the flue baffles Finalising mainte- nance 13.2 Tank warranty Warranty certificate13.1 General warranty Conditions for Instal- lation and use Warranty certificate Electrical diagram BFM Electrical Diagram Electrical diagram Optional Components Electrical diagram Index 0306 Index