Operating GuideTable of ContentsROUGH-IN DIMENSIONS2FOREWORD3GENERAL SAFETY INFORMATION3Precautions3Grounding Instructions4Chemical Vapor Corrosion4Liquid Petroleum Models4High Altitude Installations4FEATURES5Automatic Gas Shutoff Control5Protector Switch (Coil High Limit)5Thermal Balancer5Intermittent Ignition Control Module5Circulating Pump6Tank Temperature Control (Not Supplied)6Safety Flow Switch (Not Supplied)6Drain Valve (Not Supplied)7Thermometers (Not Supplied)7INSTALLATION INSTRUCTIONS8Important8Required Ability8Location8Installation Clearances8Levelling8Air Requirements8Venting9Relief Valve9Hard Water10Closed Water System10Water Line Connections10Water (Potable) Heating10PIPING DIAGRAMS11Gas Connections14Electrical Information15OPERATION17Important17General17Filling17Purging Of Gas Line17Operating Instructions For I.I.D Models.18Checking And Adjusting The Input19SERVICE INFORMATION20Pilot And Main Burner Maintenance20I.I.D. Pilot Burner20Protector Switch (Coil High Limit-All Heaters)21Tank Temperature Control21Automatic Gas Shutoff Control21Thermal Balancer21Inspecting The Heat Exchanger And Venting System21Gas Pressure Regulator22Relief Valve22Circulating Pump22Electrical Service22Replacement Parts22PREVENTIVE MAINTENANCE22Deposits From Coil Type Commercial Water Heaters22Deliming Solvents23Removing Light Deposits23Heavy Lime Deposits23CHECKOUT24LIMITED WARRANTY28Size: 408 KBPages: 28Language: EnglishOpen manual