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

A.O. Smith BFC - 80 General and electrical specifications, Dimen Description BFC Sion, Unit BFC

Models: BFC - 80 BFC -100

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Dimensions (all measurements in mm unless otherwise indicated)

Dimen	Description	BFC 80	BFC 100
sion

A	Total height	2060	2060

C	Position on pallet	530	530

D	Appliance diameter	850	850

E	Depth	1000	1000

F	Width	900	900

G	Diameter of flue gas outlet	130/200	130/200

H	Height of flue gas outlet/air supply	2015	2015

Hx	x position of flue gas outlet	310	310

Hy	y position of flue gas outlet	440	440

K	Height of gas connection	1855	1855

M	Height of cold water supply	225	225

N	Height of hot water outlet	2060	2060

Ny	y position of hot water outlet	205	205

P	Height of cleaning opening	290	290

R	Height of drain valve connection	225	225

S	Height of T&P valve connection	1425	1425

W	Height of condensation drain	240	240

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

6	Cleaning/inspection opening	95x70	95x70

7	Condensation drainage connection (internal)	Rp1	Rp1

3.4.2 General and electrical specifications

General and electrical specifications

DESCRIPTION	Unit	BFC 80	BFC 100

Content	litres	460	460

Empty weight	kg	480	480

Maximum operating pressure	bar	8	8

Number of anodes	-	2	2

Fan rotational speed at ignition	rpm	2790	3120

Operational speed of fan	rpm	5100	5700

Diameter of air restrictor	mm	36.0	38.0

Heating-up time ∆T = 45 oC	minutes	18	14
Electrical power consumption	W	600	690

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

Mains frequency	Hz (± 1Hz)	50	50

IP class	-	30	30

Instruction manual BFC

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A.O. Smith BFC - 80, BFC -100 service manual General and electrical specifications, Dimen Description BFC Sion, Unit BFC

Contents

100 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 Forms of notation Symbol Target groupIntroduction Overview of this DocumentChapter Target groups Description Gis General working principle of the appliance Working principle of the applianceWater temperature protection TheGas valve Appliances heating cycle Protection for the applianceWorking principle of the appliance Pressure switch Water temperature protectionGas valve 4 FanUnvented installation Safety of the installationVented installation Flame probePackaging InstallationEnvironmental ConditionsMaximum floor load Air humidity and ambient temperatureWater composition Working clearancesTechnical specifications Dimensions of the appliance General and electrical specifications Dimen Description BFC SionUnit BFC Description II2H3P Unit BFC Natural gas Gas dataInstallation diagram Cold water side Water connections, VentedHot water side Circulation pipeWater connections, Unvented Gas 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 BendsAppliance with concentric flue gas discharge material SpecificationsSubject Description Concentric wall flue terminal specifications C13Practical example of parallel flue gas discharge Parallel connectionsElectrical connection Preparation Connecting the mains voltagePreparation Connecting the mains voltage Isolating transformer10.2 Preparation Connecting an extra on mode switch Tank on Connecting a program-controlled pumpConnecting an extra error signal Alarm OUT Checking the supply pressure and burner pressure11.1 Procedure to check pressuresGas data Gas data11.3 Adjusting the pressureFinalising Finish off 3.11.4 FinalisingConversion to a different gas category Orifice assemblyStart 9 Starting and running the appliance Conversion to a different gas categoryFilling 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 Setting water temperature during on mode Switching on the on modeMain menu Notational convention for menu-related instructionsStarting and stopping the week program Week program setting the switch- on timeChanging the appliances standard week program Main menuWeek program setting the water temperature Week program setting the switch- off timeWeek program setting the program- controlled pump Adding times to a week programDeleting times from a week program Pump 11.6.4 Week program setting the program-controlled pumpSetting the switch-on time Extra periodProgramming an extra period Setting menu language SettingsDisplaying appliance specifications Setting day and timeRelevant display appears 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 absentDisplayed 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 RemarkReplaced Maintenance 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 Interval Maintenance frequencyMaintenance frequency Introduction Preparation for maintenance Performing maintenancePerforming maintenance Water-side maintenance Introduction Descaling and cleaning the tankChecking the anodes Gas-side maintenance Finalizing maintenance Introduction Cleaning condensation water dischargeClean the burners Clean the orifices16.1 General warranty Warranty certificate16.2 Tank warranty Conditions for Installation and useWarranty certificate Week program card AppendicesAppendices BFC Electrical DiagramTerminal Block Connections Appendices Period Week program cardTset Pump Example PeriodPage Index Index 0308