User ManualTable of ContentsRECEIVINGEQUIPMENT3INSPECTIONPROCEDURES33MODELIDENTIFICATION3BURNERS33GENERALSPECIFICATIONS3CONTROLS33GENERALSAFETYPRECAUTIONS4INSPECTIONPROCEDURES34INSTALLATIONINSTRUCTIONS5ADDENDA:LOWNOxHEATERS181-40135CLEARANCES6TROUBLESHOOTINGELECTRICAL37SPECIFICATIONSANDDIMENSIONS7WIRINGDIAGRAMS38OUTDOORINSTALLATIONS10WH2-182-26038HIGHWINDCONDITIONS10WH2-330-40039COMBUSTIONAIR10WH2-514-62440VENTING11WH2-724-133641VENTPIPING14WH2-1414-182642VENTDAMPERINSTALLATION15WH2-2100-250043PLUMBING17WH2-3001-400144GASSUPPLYCONNECTIONS17WH1-181-261LOWNOx45GASPRESSUREREGULATOR18WH1-331-401LOWNOx46TROUBLESHOOTINGMECHANICAL47COMPONENTS18TROUBLESHOOTINGPUMPS48FLOWRATES19SERVICEANDMAINTENANCEPROCEDURES48UNITEMP80SPECIFICATIONS20TUBECLEANING48PIPINGDIAGRAMS21BURNERTRAYREMOVAL49TYPEWHUNITEMP8021GASVALVEREMOVAL49TYPENHINSTANTANEOUS22MAINBURNERANDORIFICEREMOVAL49TYPENHDUALMODELS23PILOTREMOVALANDCLEANING49CONTROLS24HIGHLIMITORTANKSTATREMOVAL49RELIEFVALVE24HEATEXHANGERREMOVAL49ECONOMASTERCONTROL24COMBUSTIONCHAMBERREMOVAL50ELECTRONICIGNITION24CONTROLWELLREPLACEMENT50OPERATINGCONTROLS24TUBEREPLACEMENT50LIMITCONTROLS25CLEANINGFLUEGASPASSAGEWAYS51HIGHLIMIT25REPLACEMENTPARTS51FLOWSWITCH25WARRANTY52100%PILOTSAFETY25LOWWATERCUT-OFF25COMPONENTIDENTIFICATION26ELECTRICALCONNECTIONS27LOCATIONOFCONTROLS28START-UPPROCEDURES30GENERAL30PUMPANDMOTOR30GENERALSAFETYPRECAUTIONS31LIGHTINGINSTRUCTIONS32AFTERSTART-UP33Size: 1.45 MBPages: 53Language: EnglishOpen manual