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

A.O. Smith BFC - 30, BFC - 60 service manual Service condition, Manual 14 Maintenance frequency

Models: BFC - 30 BFC - 60

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gis

8.4Service condition

The figure shows the message

!!!WARNING !!!

MAX. BURNING HOURS:

SERVICE REQUIRED

SERVICE REQUIRED.Should this message appear, then the appliance is in need of a service and maintenance inspection. In that case, contact your service and maintenance engineer.

Note

The message SERVICE REQUIREDis based on the number of expired burning hours and the preset service interval. Should the service interval have been incorrectly selected, contact the service and maintenance engineer for instructions on how to adjust this. Information on the maintenance frequency is provided elsewhere in the

manual (14 "Maintenance frequency").

Instruction manual BFC

Page 53

Image 53

A.O. Smith BFC - 30, BFC - 60 service manual Service condition, Manual 14 Maintenance frequency

Contents

Installation User Your installer Trademarks Read this manual carefullyLiability More informationGis Table of contents Troubleshooting Service programMaintenance 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 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, VentedRequirements for flue gas discharge materials Gas connectionAir supply and flue Introduction 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 10.2 Preparation Connecting the mains voltageIsolating transformer 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 Operating modes Error conditions Service conditionStatus of the appliance 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 Notational convention for menu-related instructions Switching on the on modeMain menu Week program Setting water temperature during on modeStarting 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 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 Displaying the error history Service programSetting the hysteresis Setting the service interval Switching the pump on or offSetting the display contrast Setting the display backlight timeDisplayed errors TroubleshootingGeneral 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 applianceE04 lock-out error Code + Description Cause Solution Remark E01 blocking errorE03 lock-out error Page Interval Maintenance frequencyMaintenance frequency Introduction Preparation for maintenance Performing maintenancePerforming maintenance Checking the anodes Descaling and cleaning the tankWater-side mainte- nance Introduction 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