Symptom Cause Solution Remark | A.O. Smith SGE manual

				is

Symptom	Cause	Solution		Remark

Glycol leakage	Leakage from a fluid	Tighten the threaded connection.		If the leak persists or a component needs replacement, consult
	connection (threaded)			your installation engineer

	Leakage from a	1.	Tighten component joints
	component	2.	Any defective components must be replaced
		2.	Any defective components must be replaced

	Leakage from solar	Consult the supplier and/or manufacturer
	heating system

Instruction manual SGE

Page 80

Image 80

A.O. Smith SGE service manual Symptom Cause Solution Remark

Contents

Installation User Your installer Read this manual carefully TrademarksLiability More information Gis Table of contents Service program TroubleshootingMaintenance frequency Status of the appliance Appendices Performing maintenanceWarranty certificate Table of contents What to do if you smell gas Regulations IntroductionAbout the appliance Introduction Target groups Maintenance Forms of notationSymbol Target group Overview of this document Chapter Target groups Description Gis Topics covered in this chapter Working principle of the applianceIntroduction General working principle of the appliance Working principle of the appliance Other settings that govern the control behaviour areAppliances heating cycle = time = Temperature 45 oC = Minimum tap water temperature Appliance water temperature protection Gas valvePressure switch Flame probe Protection for the appliance Introduction Appliance water temperature protection Pressure switchGas valve 4 Fan Safety of the installation Unvented installationVented installation Flame probe Fluid temperature Safety of the solar heating system Expansion vesselExpansion valve Pump of the solar heating system Installation PackagingEnvironmental Conditions Water composition Air humidity and ambient temperatureAppliance maximum floor load Working clearances Technical specifications Dimensions of the applianceAppliance is supplied without accessories. Check See the table Dime Description SGE Nsion General and electrical specifications Gas data Gas category 3+ G31 37 mbar Installation diagram See C in the installation diagram 3.5 Installation diagram Water connections, Unvented Cold water sideHot water side Circulation pipe Water connections, Vented Condensation drainage Gas connection Air supply and flue IntroductionRequirements for flue gas discharge materials This section covers the following subjects Types of appliances Concentric connections Practical example of concentric chimney flue SpecificationsFollowing example illustrates how to use the table Parallel connections Subject DescriptionAppliance Diameter Maximum Total length Bend Practical example of parallel chimney flue Appliance with parallel flue gas discharge material Preparation Connecting the mains voltage Connecting communication cable to solar heating systemSolar heating system Electrical connection 11.2 Preparation Connecting the mains voltage Connecting continuous pumpIsolating transformer 11.2 Preparation Connecting a program-controlled pump Connecting an extra on mode switch Tank onConnecting an extra error signal Alarm OUT Connecting extra head pump Connecting Q/T sensor Connecting solar collector Connecting the mains powerConnecting pump station modulating pump Connecting tank sensor Connecting communication cableConnecting extra head pump Connecting Q/T sensor Checking the supply pressure and burner pressure Procedure to check pressures Finish off 3.13.4 Finalising Adjusting the pressureGas data 13.4 Finalising Orifice assembly Conversion to a different gas category Burner pressure regulator Blank plate Gas control connector Conversion to a different gas categoryPage Conversion to a different gas category Filling Filling Filling the appliance Filling unvented installationsFilling vented installations Flushing with water Filling with glycol Gis Draining Draining unvented Installations DrainingActivate the Menu with Position the cursor in front of OFF Position the cursor in front of OFF Confirm OFF with Draining vented installationsDraining solar heating system Draining glycol-filled system Gis Electronic controller ON/OFF switch Control panelControls Meaning of icons Control panel Navigation buttonsPC connection Operating modes Operating modes Error conditions Service conditionStatus of the appliance Service condition Error conditionsCollector temperature warning Q/T Sensor warning Open 3.5 Installation diagram the manual gas valve Starting and runningStarting the appliance Starting the appliance Appliances heating cycle Icon is activated Message Ignition appears Starting and runningIcon is activated Message PRE Purge appears Shut the appliance down for a brief period OFF mode Shutting downShutting the appliance down for a long period Electrically isolating the appliance Shutting down Switching on the on mode Set the water temperature viaMain menu Notational convention for menu-related instructions Setting water temperature during on mode Week programStarting and stopping the week program Changing the appliances standard week program Week program setting the switch- on time Week program setting the switch- off timeWeek program setting the water temperature Bring the cursor to SU Confirm with Week program setting the program- controlled pump Adding times to a week programConfirm with Display shown in the figure will appear Scroll with to Start Operation Confirm with Confirm with Or use to cancel Deleting times from a week programExtra period To delete a period, proceed as follows Setting the switch-on time Setting the switch-off timeSetting the water temperature Setting the program-controlled pump Settings Setting menu languageSetting day and time Adjustable settings Displaying appliance specifications SGE Confirm the minute setting withTable shows the correct settings Scroll with to Specifications Confirm with Service program Setting the hysteresisDisplaying the error history Appliance Default Range Switching the pump on or off Setting the service intervalSetting legionella prevention Switching legionella prevention on and off Solar heating system configuration Setting the drain-back tankSetting the heating fluid type in the solar heating system Setting the solar limit temperature Reading the energy contribution of the solar heating system Setting the QT sensor yes/noSetting the central heating configuration Troubleshooting General errorsDisplayed errors Distinction is made between Troubleshooting table for general errors Symptom Cause Solution Remark Gas smellDisplay is off Start the appliance up 9 Starting and running Symptom Cause Solution Remark Water leakage Explosive ignitionHot water supply Insufficient or absent Symptom Cause Solution Remark Troubleshooting table for displayed errors Displayed errors Code + Description Cause Solution Remark S11 blocking errorS12 blocking error S13 blocking error F02 lock out error Code + Description Cause Solution Remark S18 blocking errorF01 blocking error Code + Description Cause Solution Remark F03 lock out error Fails to work correctly Engineer Pressure switch notMaintenance 15.2 Preparation for maintenance. If there is Closing Code + Description Cause Solution Remark F04 lock out error F05 lock out errorNo gas Area Code + Description Cause Solution Remark F06 lock out error F07 lock out errorF08 lock out error Safety relay Engineer Code + Description Cause Solution Remark F10 lock out error F11 blocking error Code + Description Cause Solution Remark C02 lock out error C03 blocking errorC04 blocking error Selected appliance Code + Description Cause Solution Remark E01 blocking error TemperatureE03 lock-out error E04 lock-out error Displayed warnings Maintenance frequency Best maintenance frequency can be determinedMaintenance, based on the number of burning hours Standard setting is 500 burning hours Maintenance frequency Wait until the fan has stopped. The icon is then dimmed Performing maintenanceIntroduction Preparation for maintenance Performing maintenance Water-side maintenance Introduction Descaling and cleaning the tankChecking the anodes Following steps must be carried out on the water side Cleaning condensation water discharge Gas-side maintenance IntroductionClean the burners Clean the orifices Warranty certificate 16.1 General warranty16.2 Tank warranty Collector warranty Conditions for Installation and use Warranty certificate Appendices This appendix containsMenu structure of the main menu 17.2 Menu structure Heating system Menu structure Appendices 101 Electrical diagram for the appliance Electrical diagram Extra on mode switch Extra error signal connectionController 0/I switch Temperature sensor T1 top Electrical diagram, solar heating system Solar system electrical diagram legend 106 Week program card PeriodTset Pump Example Period 108 Index 109 0308 Index