Air humidity and ambient temperature

A.O. Smith BFC - 60, BFC - 30 Air humidity and ambient temperature, Appliance maximum floor load

Page 18

3.3.1

Installation	is

The boiler room must be frost-free, or be protected against frost. The table shows the environmental conditions that must be adhered to for correct functioning of the electronics present in the appliance to be guaranteed.

Air humidity and ambient temperature specifications

Air humidity and ambient temperature

Air humidity	max. 93% RV at +25°C

Ambient temperature	Functional: 0 < T < 60°C

3.3.2Appliance maximum floor load

In connection with the appliance's weight, take account of the maximum floor loading, refer to the table.

Weight specifications related to maximum floor load

Weight of the appliance filled with water

BFC 28	394 kg

BFC 30, BFC 50, BFC 60	582 kg

3.3.3Water composition

The appliance is intended for heating drinking water. The drinking water must comply with the regulations governing drinking water for human consumption. The table gives an overview of the specifications.

Water specifications

Water composition

Hardness	> 1.00 mmol/l:
(alkaline earth ions)	• German hardness> 5.6° dH
	• French hardness > 10.0° fH
	• English hardness > 7.0° eH

Conductivity	> 125 µS/cm

Acidity (pH value)	7.0 < pH value < 9.5

Note

If the water specifications deviate from those stated in the table, then the tank protection cannot be guaranteed (16 "Warranty (certificate)").

3.3.4Working clearances

For access to the appliance, it is recommended that the following clearances are observed (see figure):

•AA: around the appliance's control column and cleaning openings: 100 cm.

•BB: all sides of the appliance: 50 cm.

•Above the appliance (room to replace the anodes):

-100 cm if using fixed anodes, or

-50 cm if using flexible anodes.

18	Instruction manual BFC

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Contents

Installation User Your installer Liability Read this manual carefullyTrademarks More informationGis Table of contents Maintenance frequency Service programTroubleshooting 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 General working principle of the appliance Safety of the installationWorking principle of the appliance Appliances heating cycle Appliances heating cycle Protection for the appliance Water temperature protection TheGas valve Pressure switch Flame probe Working principle of the applianceGas valve Water temperature protectionPressure switch 4 FanVented installation Safety of the instal- lationUnvented installation Flame probeEnvironmental InstallationPackaging ConditionsWater composition Air humidity and ambient temperatureAppliance maximum floor load Working clearancesWorking clearances Dimensions of the appliance Technical specifica- tionsSion General and electrical specificationsDimen Description Unit BFCGas category 2H G20 20 mbar Gas dataDescription II2H3+ Unit General 3+Installation diagram Hot water side Water connections, UnventedCold water side Circulation pipeWater connections, Vented Gas connection Air supply and flue IntroductionRequirements for flue gas discharge materials C43 B23 C33 C13 C53 Type of appliance Description Concentric connectionsPractical example of concentric flue gas discharge 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 Connecting the mains voltage Isolating transformer10.2 Preparation Connecting an extra on mode switch Tank on Connecting continuous pumpConnecting a program-controlled pump Connecting an extra error signal Alarm OUTChecking the supply pressure and burner pressure 11.1Procedure to check pressures Gas data Adjusting the pressureFinalising 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 the appliance Filling unvented installationsFilling vented installations FillingDraining Draining Min Gis Controls Electronic controller ON/OFF switchControl panel Meaning of iconsPC connection Control panelOperating modes Error conditions Service condition Status of the applianceOperating modes Status of the appliance Error conditionsManual 13 Troubleshooting Menu 11 Main menu chapterService condition Manual 14 Maintenance frequencyGis Appliances heating cycle Open 3.5 Installation diagram the manual gas valveStarting and running Starting and running Appliances heating cycleStarting and running Electrically isolating the appliance Shut the appliance down for a brief period OFF modeShutting down Shutting the appliance down for a long periodShutting down Switching on the on mode Main menuNotational convention for menu-related instructions Starting and stopping the week program Setting water temperature during on modeWeek 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 Week program setting the program- controlled pump Adding times to a week programDeleting times from a week program Extra periodSetting the water temperature Setting the switch-on timeSetting the switch-off time Setting the program-controlled pumpSetting day and time SettingsSetting menu language Adjustable settingsDisplaying appliance specifications Service program Setting the hysteresisDisplaying the error history Setting the display contrast Switching the pump on or offSetting the service interval Setting the display backlight timeTroubleshooting General errorsDisplayed errors Display is off Troubleshooting table for general errorsSymptom Cause Solution Remark Gas smell Start the appliance up 9 Starting and runningHot water supply Symptom Cause Solution Remark Water leakageExplosive ignition Insufficient or absentTroubleshooting table for displayed errors Displayed errors S14 blocking error Code + Description Cause Solution Remark S12 blocking errorS13 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 switchAppliance Code + Description Cause Solution Remark F03 lock out errorMaintenance 15.2 Preparation for maintenance. If there is FlueCode + Description Cause Solution Remark F04 lock out error F05 lock out errorF08 lock out error Code + Description Cause Solution Remark F06 lock out errorF07 lock out error F09 lock out errorCode + Description Cause Solution Remark F10 lock out error F11 blocking errorC04 blocking error Code + Description Cause Solution Remark C02 lock out errorC03 blocking error Selected applianceCode + Description Cause Solution Remark E01 blocking error E03 lock-out errorE04 lock-out error Page Maintenance frequency IntervalMaintenance frequency Performing maintenance Introduction Preparation for maintenancePerforming maintenance Descaling and cleaning the tank Water-side mainte- nance IntroductionChecking the anodes Clean the orifices Cleaning condensation water dischargeClean the burners Cleaning the heat exchanger Finalizing mainte- nance16.2 Tank warranty Warranty certificate16.1 General warranty Conditions for Instal- lation and useWarranty certificate Electrical diagram AppendicesElectrical diagram AppendicesTerminal Block Connections Appendices Tset Pump Week program cardPeriod Example PeriodPage Index 0306 Index

A.O. Smith BFC - 60, BFC - 30 Air humidity and ambient temperature, Appliance maximum floor load