A.O. Smith 400, 402, 401, 403, 405, 404 instruction manual PDB Power Distribution Board Diagram

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Figure 19. PDB POWER DISTRIBUTION BOARD Diagram

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Contents Installation Operation Maintenance Limited Warranty Copper Boilers for Hydronic Heating HOT Water SupplyDIMENSIONS/CAPACITIES Data Dimensional DataGAS and Electrical Requirement Dimensions Data for Outdoor Configuration Recovery Capacities ForewordFEATURES/CONTROLS Water Flow Switch Differential Pressure Switch Combustion AIR BlowerBlocked Flue Pressure Switch ON/OFF SwitchRequired Ability Installation InstructionsSafety Relief Valves LocationLevelling Installation ClearancesChemical Vapor Corrosion AIR RequirementsVenting Horizontal Vent Installation INTAKE/EXHAUST Installation Requirements System InstallationInstallation AS Boiler Replacement GeneralEquivalent Standard Vent Vertical CategoryType B or 16 40.6 cmSteel Standard Vent Horizontal CategoryIII Stainless IIIDirect Vent Vertical Exhaust Configurations Direct Vent Vertical CategoryStainless GAL. Steel Sealed Direct Vent Horizontal Exhaust ConfigurationsDirect Vent Horizontal Category Stainless GAL.STEELHydronic Installation Space Heating Applications Internal ContaminantsVAC System Controller Optional Hard Water Conditions Tank Probe Installation ProcedureGAS Connections Water Line Connections Tank Probe OptionalSingle boiler with horizontal tank Single boiler with vertical tank Suggested Pipe Size For Multiple Gas Appliances Propane Gas Distance from Meter BTU Input Single Unit INSTALLATION, Suggested Pipe SizeWiring Connections BTU/HRGAS Manifold Assembly Genesis GB/GW 1000-2500 Series 400 Wiring Diagram Page Genesis GB/GW 1000-2500 Series 400 Schematic Diagram Page CCB Central Control Board FCB Flame Control Board Diagram PDB Power Distribution Board Diagram Purging of GAS Line OperationFilling and Purging Water System Inlet GAS PressureFor Your Safety Read Before Operating For Your Safety Read Before Operating Setting Degree Burns on Adult Skin AdjustmentsRisk of Scalds Temperature Control SystemWater Level Sensor open condition indicates fault Air Pressure Sensors open condition indicates faultGas Pressure Sensors open condition indicates fault CCB/FCB Indicator Lamps & FusesCCB Ten Position Dipswitch Central Control Section SW1 CCB-SW2FCB Eight-Position Dipswitch Operating SequenceStages 1 and 2 will turn on in sequence from 1 to Temperature Setpoints System Control AlgorithmUIM Operating Procedures UIM ScreensMenu Screen Temperature ScreenStatus Displayed True Condition Input System Status ScreenDescription of FCB control states Operating Setpoint Adjustment Procedure High Limit Differential Setpoint Adjustment ProcedureOperating Differentialsetpoint Adjustment Procedure Fault Displayed Description Redled Lockout Hard Main Burners Tank Probe Tank Remote probe shorted or open FlashingDeliming Replacement Parts Tubecleaningprocedure Mechanical Removal of DepositsNEW Boiler Limited Warranty Conditions and ExceptionsTennessee Waltz Parkway, Ashland City, TN Phone