User ManualTable of ContentsROUGH-IN DIMENSIONS2Gas Valves15FOREWORD2SYSTEM CONNECTIONS15Thermometers15Water Temperature Control3Relief Valve15High Limit Switch (E.C.O.)4Water Line Connections15Dishwashing Machine Requirement4Heater Wiring16Circulating Pump5USING THE ELECTRONIC CONTROLLER17INSTALLATION INSTRUCTIONS4Overview17Required Ability6Operating States17Insulation Blankets6Adjusting the Operating Set Point18Locating The Heater5Changing the Display Units19Clearances5Fault and Warning Conditions19Hard Water6Access to the Current Fault or Warning19Air Requirements6Viewing the Fault History20Mechanical Exhausting of Room Air6PRIOR TO START-UP20Unconfined Space6Required Ability20Confined Space6OPERATIING INSTRUCTIONS21Chemical Vapor Corrosion6Venting6Vent Pipe Termination6Cathodic Protection22Precautions22Commonwealth of Massachusetts7GENERAL INFORMATION22Direct Venting10Power Burner22Direct Vent Terminal Installation (Sidewall)10High Limit22Installation Sequence10High Altitude Installations22Vertical Vent Terminal Installation11MAINTENANCE22Installation Sequence11General22Installation of Vent System12Maintenance Schedule22Vent Pipe Preparation12Flushing26Draining26CONTROL AND SWITCHES13Sediment Removal26Blower Prover Switch13Lime Scale Removal26Blocked Outlet Prover Switch13Blocked Inlet Prover Switch13Drain Valve and Access Panels27Low Gas Pressure Switch13Relief Valve27On/Off Switch13Circulating Pump27Hot Surface Igniter13Vent System27GAS PIPING13INSTALLATION DIAGRAMS28Connection of Gas Pipe14Manifold Kits33Purging15CHECKLIST AND SERVICE INFORMATION34Gas Meter Size - City Gases Only15Gas Pressure Regulation15LIMITED WARRANTY36Size: 743 KBPages: 40Language: EnglishOpen manual
