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

A.O. Smith BFC - 60, BFC - 30 service manual Electrical diagram, Appendices

Models: BFC - 30 BFC - 60

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17.2 Electrical diagram

Appendices

Electrical diagram

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0307 579 R1

1 = brown, 2 = blue, 3 = green, 4 = black, 5 = white, 6 = grey / beige

92	Instruction manual BFC

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A.O. Smith BFC - 60, BFC - 30 service manual Electrical diagram, Appendices

Contents

Installation User Your installer Read this manual carefully TrademarksLiability More informationGis Table of contents Service program TroubleshootingMaintenance frequency Performing maintenanceAppendices Table of contents What to do if you smell gas Regulations IntroductionAbout the appliance Introduction Target groups MaintenanceSymbol Target group Gis Chapter Target groups Description Overview of thisDocument Safety of the installation Working principle of the applianceGeneral working principle of the appliance Appliances heating cycleWater temperature protection TheGas valve Pressure switch Flame probeAppliances heating cycle Protection for the appliance Working principle of the applianceWater temperature protection Pressure switchGas valve 4 FanSafety of the instal- lation Unvented installationVented installation Flame probeInstallation PackagingEnvironmental ConditionsAir humidity and ambient temperature Appliance maximum floor loadWater composition Working clearancesWorking clearances Dimensions of the appliance Technical specifica- tionsGeneral and electrical specifications Dimen DescriptionSion Unit BFCGas data Description II2H3+ UnitGas category 2H G20 20 mbar General 3+Installation diagram Water connections, Unvented Cold water sideHot water side Circulation pipeWater connections, Vented Regulations 1.3 RegulationsRequirements for flue gas discharge materials Gas connectionAir supply and flue Introduction C43 B23 C33 C13 C53 Concentric connections Practical example of concentric flue gas dischargeType of appliance Description Appliance Diameter Maximum length Number of 90º BendsSpecifications Appliance with concentric flue gas discharge materialConcentric wall flue terminal specifications C13 Specification DescriptionParallel connections Practical example of parallel flue gas outletPreparation Connecting the mains voltage Electrical connectionPreparation 10.2 Preparation Connecting the mains voltageIsolating transformer Connecting continuous pump Connecting a program-controlled pumpConnecting an extra on mode switch Tank on Connecting an extra error signal Alarm OUTChecking the supply pressure and burner pressure 11.1Procedure to check pressures Adjusting the pressure FinalisingGas data Finish off 3.11.4 FinalisingOrifice assembly Conversion to a different gas categoryConversion to a different gas category Conversion of gas controlPage Conversion to a different gas category Installation diagram FillingFilling unvented installations Filling vented installationsFilling the appliance FillingDraining Draining Min Gis Electronic controller ON/OFF switch Control panelControls Meaning of iconsPC connection Control panelOperating modes Operating modes Error conditions Service conditionStatus of the appliance Error conditions Manual 13 TroubleshootingStatus of the appliance Menu 11 Main menu chapterService condition Manual 14 Maintenance frequencyGis Open 3.5 Installation diagram the manual gas valve Starting and runningAppliances heating cycle Starting and running Appliances heating cycleStarting and running Shut the appliance down for a brief period OFF mode Shutting downElectrically isolating the appliance Shutting the appliance down for a long periodShutting down Notational convention for menu-related instructions Switching on the on modeMain menu Setting water temperature during on mode Week programStarting and stopping the week program Changing the appliances standard week programWeek program setting the water temperature Week program setting the switch- on timeWeek program setting the switch- off time Week program setting the program- controlled pump Adding times to a week programDeleting times from a week program Extra periodSetting the switch-on time Setting the switch-off timeSetting the water temperature Setting the program-controlled pumpSettings Setting menu languageSetting day and time Adjustable settingsDisplaying appliance specifications Displaying the error history Service programSetting the hysteresis Switching the pump on or off Setting the service intervalSetting the display contrast Setting the display backlight timeDisplayed errors TroubleshootingGeneral errors Troubleshooting table for general errors Symptom Cause Solution Remark Gas smellDisplay is off Start the appliance up 9 Starting and runningSymptom Cause Solution Remark Water leakage Explosive ignitionHot water supply Insufficient or absentTroubleshooting table for displayed errors Displayed errors Code + Description Cause Solution Remark S12 blocking error S13 blocking errorS14 blocking error S15 blocking errorCode + Description Cause Solution Remark F02 lock out error Code + Description Cause Solution Remark Check the values 2.4.5 Pressure switchCode + Description Cause Solution Remark F03 lock out error Maintenance 15.2 Preparation for maintenance. If there isAppliance FlueCode + Description Cause Solution Remark F04 lock out error F05 lock out errorCode + Description Cause Solution Remark F06 lock out error F07 lock out errorF08 lock out error F09 lock out errorCode + Description Cause Solution Remark F10 lock out error F11 blocking errorCode + Description Cause Solution Remark C02 lock out error C03 blocking errorC04 blocking error Selected applianceE04 lock-out error Code + Description Cause Solution Remark E01 blocking errorE03 lock-out error Page Maintenance frequency IntervalMaintenance frequency Performing maintenance Introduction Preparation for maintenancePerforming maintenance Checking the anodes Descaling and cleaning the tankWater-side mainte- nance Introduction Cleaning condensation water discharge Clean the burnersClean the orifices Cleaning the heat exchanger Finalizing mainte- nanceWarranty certificate 16.1 General warranty16.2 Tank warranty Conditions for Instal- lation and useWarranty certificate Electrical diagram AppendicesElectrical diagram AppendicesTerminal Block Connections Appendices Week program card PeriodTset Pump Example PeriodPage Index 0306 Index