Vac

3 Installation

Table 3.5 General and electrical data

DESCRIPTION	Unit	BFC 28	BFC 30		BFC 50	BFC 60

Electrical power consumption	W			175

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

Mains frequency	Hz			50 (±1 Hz)

22	Instruction Manual BFC

Page 22

Image 22

A.O. Smith 28 30 50 60 service manual Vac

Contents

Release R.1.3 UK Your installer Liability CopyrightTrademarks More informationPage Table of contents Gis Status of the appliance Filling and drainingControl panel Starting up and shutting down Maintenance frequency Service programTroubleshooting Maintenance Appendices Index What to do if you smell gas Regulations IntroductionAbout the appliance Remark Target groups Maintenance Forms of notationSymbol Target group Introduction Overview of this document Overview of thisDocument Chapter Target groups Description Gis Introduction Functional description of the appliance Functioning of the applianceIntroduction Pressure switch Ionisation rod Water temperature protection Gas controlAppliance’s heating cycle Protection for the appliance Gas control Water temperature protectionPressure switch 3 Fan Vented installation Safety of the instal- lationUnvented installation Ionisation rod Installation Introduction Packaging Environmental conditions Water composition Humidity and ambient temperatureMaximum floor loading Working clearances Environmental conditions Working clearances Technical specifications Plan and elevation of the appliance Dime Description BFC Nsion DimensionsTechnical specifications Unit BFC VAC General Installation diagramGas data G30-30 mbar butane Installation Unvented Circulation pipe Water connections, Unvented Cold water sideHot water side Condensation drainage See paragraph ’3.6.4 Condensation drainage’ Water connections, VentedGas connection See din Figure Air supply and flue gas discharge Dimension BFCAir supply and flue gas discharge Specification Description Concentric wall flue terminal Concentric roof flue terminal specifications Concentric roof flue terminal Preparation Electrical connectionPreparation Mains voltage Mains voltage Electrical connection Continuous pump Extra on mode switch Tank onIsolating Transformer Program-controlled pump Checking the supply pressure and burner pressure Connecting extra error signal Alarm OUTChecking the supply Pressure and burner Appliance Main menu Conversion to a different gas category Conversion to a different gas category Remove the burner as complete assembly 13 Conversion of gas control Check the burner and supply pressure see paragraph Installation Filling and draining Filling the appliance Filling unvented installationsFilling vented installations Filling the appliance Installation diagrams F d c Filling and draining Draining the appliance Draining unvented installationsDraining vented installations Draining the appliance Gis Control panel Introduction Operating PC connection Explanation of the icons ON/OFF switch of ThermoControlNavigation buttons Control panel Status of the appliance Operating modes Error conditions Service conditionIntroduction Operating modes Error conditions Status of the appliance Service condition Service condition Gis Introduction Starting up Open the gas valve see ’ .1 Installation diagrams’Starting up and shutting down Shutting down Shut the appliance down for a longer period Shut the appliance down for a brief period OFF modeDisconnect the appliance from the mains Starting up and shutting down Appliance’s heating cycle Appliance’s heating cycle 12 Ignition Main menu Notational convention for menu-related instructions Setting the water temperature via Setpoint Menu Switching into on mode Setting the water temperatureSetting water temperature during on mode Starting up and shutting down the week program Week programme IntroductionChanging the appliance’s standard week program Remark Setting switch-off time Setting the switch-on timeExample Adding times to a week program Setting the water temperatureSetting program-controlled pump Week programme Deleting times from a week program 20 Period added 23 week program options Extra period Programming an extra period Setting menu language SettingsSettings Setting day and time Displaying appliance specifications Remark 46 Main menu Gis Setting the hysteresis Service programDisplaying the error history Service program Setting the pump on/offSetting the service interval Displaying the appliance history Setting the display scroll speed Setting the display contrastSetting the backlight time Setting the display contrast Service program General errors TroubleshootingDisplayed errors Troubleshooting table for general errors Symptom Cause Solution Remark Gas smell Gas leak See appendix ’A.2 Electrical diagram BFC’ Symptom Cause Solution Remark Display is offWater leakage Insufficient or no hot Troubleshooting table for displayed errorsSymptom Cause Solution Remark Explosive ignition Water S04 blocking error S02 blocking errorS03 blocking error S05 blocking error S14 blocking error S13 blocking errorS15 blocking error Phase-sensitive. See ’3.10 Electrical connection’ F02 lock out error Appliance specifications’ How to bleed air from the gas line, and measure the supply F08 lock out error F06 lock out errorF07 lock out error ’3.9 Air supply and flue gas discharge’ Error F09 remains active in the event that the water F10 lock out error Release R.1.3 UK Release R.1.3 UK E03 blocking error C04 blocking errorE01 blocking error E04 blocking error Maintenance frequency Determining service interval Maintenance frequency Maintenance Remark Preparation for maintenance Starting up Maintenance Cleaning the burner Descaling and cleaning the tankCleaning condensation water discharge Water-side mainte- nance Introduction 12.4.3 Cleaning the orificeCleaning heat exchanger Remark Finalising mainte- nance Warranty Certificate Warranty Certificate Appendices Week program card Electrical diagram Appendices Week program card Release R.1.3 UK IX Index Index 0306 IX Index

DESCRIPTION

Unit