Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith BFC - 30 General and electrical specifications, Dimen Description, Sion, Unit BFC

Models: BFC - 30 BFC - 60

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Dimensions (all sizes in mm, unless otherwise stated)

Dimen	Description	BFC	BFC	BFC	BFC
sion		28	30	50	60

A	Total height	1390	1910	1910	1910

D	Diameter of the appliance	705	705	705	705

G	Flue gas outlet diameter	80/125	100/150	100/150	100/150

H	Height of flue/air supply	1365	1905	1905	1905

Hx	x position of flue	265	265	265	265

Hy	y-position of flue	375	375	375	375

K	Height of gas connection	1270	1800	1800	1800

M	Height of cold water supply	170	160	160	160

N	Height of hot water outlet	1405	1940	1940	1940

Ny	y-position of hot water outlet	205	205	205	205

P	Height of cleaning opening	170	175	175	175

R	Height of drain valve connection	85	75	75	75

S	Height of T&P valve connection	900	1410	1410	1410

W	Height of condensation drain	125	145	145	145

1	Cold water supply connection (ext.)	R11/2	R11/2	R11/2	R11/2
2	Hot water outlet (ext.)	R11/2	R11/2	R11/2	R11/2
3	Gas valve connection (int.)	Rp3/4	Rp3/4	Rp3/4	Rp3/4
4	Drain valve connection (int.)	3/4"	3/4"	3/4"	3/4"
5	T&P valve connection (int.)	1-11.5 NPT	1-11.5 NPT	1-11.5 NPT	1-11.5 NPT

6	Inspection/cleaning opening	95x70	95x70	95x70	95x70

7	Condensation drainage connection (int.)	Ø40	Rp1	Rp1	Rp1

3.4.2General and electrical specifications

General and electrical specifications

DESCRIPTION	Unit	BFC 28	BFC 30	BFC 50	BFC 60

Volume	litres	217	368	368	368

Empty weight	kg	177	214	214	214

Maximum operating pressure	bar	8	8	8	8

Number of anodes	-	4	4	4	4

Fan rotation speed at ignition	rpm	4500	4500	4500	4500

Operational speed of fan	rpm	5000	5400	6000	6660

Diameter of air restrictor	mm	23.0	23.0	28.0	29.0

Heating time ∆T = 45°C	minutes	22	35	24	19

Electrical power consumption	W	275	275	275	275

Supply voltage	volts	230	230	230	230
(-15% +10% VAC)

Mains frequency	Hz (± 1Hz)	50	50	50	50

IP class	-	30	30	30	30

Instruction manual BFC

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A.O. Smith BFC - 30, BFC - 60 service manual General and electrical specifications, Dimen Description, Sion, Unit BFC

Contents

Installation User Your installer Trademarks Read this manual carefullyLiability More informationGis Table of contents Troubleshooting Service programMaintenance frequency Performing maintenanceAppendices Table of contents Introduction About the applianceWhat to do if you smell gas Regulations Target groups Maintenance Symbol Target groupIntroduction Gis Overview of this DocumentChapter Target groups Description Working principle of the appliance Safety of the installationGeneral working principle of the appliance Appliances heating cyclePressure switch Flame probe Water temperature protection TheGas valveAppliances heating cycle Protection for the appliance Working principle of the appliancePressure switch Water temperature protectionGas valve 4 FanUnvented installation Safety of the instal- lationVented installation Flame probePackaging InstallationEnvironmental ConditionsAppliance maximum floor load Air humidity and ambient temperatureWater composition Working clearancesWorking clearances Technical specifica- tions Dimensions of the applianceDimen Description General and electrical specificationsSion Unit BFCDescription II2H3+ Unit Gas dataGas category 2H G20 20 mbar General 3+Installation diagram Cold water side Water connections, UnventedHot water side Circulation pipeRegulations 1.3 Regulations Water connections, VentedGas connection Air supply and flue IntroductionRequirements for flue gas discharge materials C43 B23 C33 C13 C53 Practical example of concentric flue gas discharge Concentric connectionsType of appliance Description Appliance Diameter Maximum length Number of 90º BendsAppliance with concentric flue gas discharge material SpecificationsSpecification Description Concentric wall flue terminal specifications C13Practical example of parallel flue gas outlet Parallel connectionsElectrical connection Preparation Connecting the mains voltagePreparation Connecting the mains voltage Isolating transformer10.2 Preparation Connecting a program-controlled pump Connecting continuous pumpConnecting an extra on mode switch Tank on Connecting an extra error signal Alarm OUT11.1 Checking the supply pressure and burner pressureProcedure to check pressures Finalising Adjusting the pressureGas data Finish off 3.11.4 FinalisingConversion to a different gas category Orifice assemblyConversion of gas control Conversion to a different gas categoryPage Conversion to a different gas category Filling Installation diagramFilling vented installations Filling unvented installationsFilling the appliance FillingDraining Draining Min Gis Control panel Electronic controller ON/OFF switchControls Meaning of iconsControl panel PC connectionOperating modes Error conditions Service condition Status of the applianceOperating modes Manual 13 Troubleshooting Error conditionsStatus of the appliance Menu 11 Main menu chapterManual 14 Maintenance frequency Service conditionGis Starting and running Open 3.5 Installation diagram the manual gas valveAppliances heating cycle Starting and running Appliances heating cycleStarting and running Shutting down Shut the appliance down for a brief period OFF modeElectrically isolating the appliance Shutting the appliance down for a long periodShutting down Switching on the on mode Main menuNotational convention for menu-related instructions Week program Setting water temperature during on modeStarting and stopping the week program Changing the appliances standard week programWeek program setting the switch- on time Week program setting the switch- off timeWeek program setting the water temperature Adding times to a week program Week program setting the program- controlled pumpExtra period Deleting times from a week programSetting the switch-off time Setting the switch-on timeSetting the water temperature Setting the program-controlled pumpSetting menu language SettingsSetting day and time Adjustable settingsDisplaying appliance specifications Service program Setting the hysteresisDisplaying the error history Setting the service interval Switching the pump on or offSetting the display contrast Setting the display backlight timeTroubleshooting General errorsDisplayed errors Symptom Cause Solution Remark Gas smell Troubleshooting table for general errorsDisplay is off Start the appliance up 9 Starting and runningExplosive ignition Symptom Cause Solution Remark Water leakageHot water supply Insufficient or absentTroubleshooting table for displayed errors Displayed errors S13 blocking error Code + Description Cause Solution Remark S12 blocking errorS14 blocking error S15 blocking errorCode + Description Cause Solution Remark F02 lock out error Check the values 2.4.5 Pressure switch Code + Description Cause Solution RemarkMaintenance 15.2 Preparation for maintenance. If there is Code + Description Cause Solution Remark F03 lock out errorAppliance FlueF05 lock out error Code + Description Cause Solution Remark F04 lock out errorF07 lock out error Code + Description Cause Solution Remark F06 lock out errorF08 lock out error F09 lock out errorF11 blocking error Code + Description Cause Solution Remark F10 lock out errorC03 blocking error Code + Description Cause Solution Remark C02 lock out errorC04 blocking error Selected applianceCode + Description Cause Solution Remark E01 blocking error E03 lock-out errorE04 lock-out error Page Interval Maintenance frequencyMaintenance frequency Introduction Preparation for maintenance Performing maintenancePerforming maintenance Descaling and cleaning the tank Water-side mainte- nance IntroductionChecking the anodes Clean the burners Cleaning condensation water dischargeClean the orifices Cleaning the heat exchanger Finalizing mainte- nance16.1 General warranty Warranty certificate16.2 Tank warranty Conditions for Instal- lation and useWarranty certificate Appendices Electrical diagramAppendices Electrical diagramTerminal Block Connections Appendices Period Week program cardTset Pump Example PeriodPage Index Index 0306