A.O. Smith 402, 400, 401, 403, 405, 404 manual

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Image 25

A.O. Smith 402, 400, 401, 403, 405, 404 instruction manual

Contents

Copper Boilers for Hydronic Heating HOT Water Supply Installation Operation Maintenance Limited Warranty Dimensional Data DIMENSIONS/CAPACITIES DataGAS and Electrical Requirement Dimensions Data for Outdoor Configuration Foreword Recovery Capacities FEATURES/CONTROLS Blocked Flue Pressure Switch Differential Pressure Switch Combustion AIR BlowerWater Flow Switch ON/OFF Switch Safety Relief Valves Installation InstructionsRequired Ability Location Chemical Vapor Corrosion Installation ClearancesLevelling AIR Requirements Venting Horizontal Vent Installation Installation AS Boiler Replacement System InstallationINTAKE/EXHAUST Installation Requirements General Type B or Standard Vent Vertical CategoryEquivalent 16 40.6 cm III Stainless Standard Vent Horizontal CategorySteel III Direct Vent Vertical Category Direct Vent Vertical Exhaust Configurations Direct Vent Horizontal Category Direct Vent Horizontal Exhaust ConfigurationsStainless GAL. Steel Sealed Stainless GAL.STEEL Hydronic Installation Internal Contaminants Space Heating ApplicationsVAC System Controller Optional GAS Connections Water Line Connections Tank Probe Installation ProcedureHard Water Conditions Tank Probe Optional Single boiler with horizontal tank Single boiler with vertical tank Suggested Pipe Size For Multiple Gas Appliances Propane Gas Wiring Connections Single Unit INSTALLATION, Suggested Pipe SizeDistance from Meter BTU Input BTU/HR GAS 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 Filling and Purging Water System OperationPurging of GAS Line Inlet GAS Pressure For Your Safety Read Before Operating For Your Safety Read Before Operating Risk of Scalds Temperature AdjustmentsSetting Degree Burns on Adult Skin Control System Gas Pressure Sensors open condition indicates fault Air Pressure Sensors open condition indicates faultWater Level Sensor open condition indicates fault CCB/FCB Indicator Lamps & Fuses CCB-SW2 CCB Ten Position Dipswitch Central Control Section SW1 Operating Sequence FCB Eight-Position Dipswitch UIM Operating Procedures Temperature Setpoints System Control AlgorithmStages 1 and 2 will turn on in sequence from 1 to UIM Screens Status Displayed True Condition Input Temperature ScreenMenu Screen System Status Screen Description of FCB control states High Limit Differential Setpoint Adjustment Procedure Operating Setpoint Adjustment ProcedureOperating Differentialsetpoint Adjustment Procedure Fault Displayed Description Redled Lockout Hard Tank Probe Tank Remote probe shorted or open Flashing Main Burners Deliming Tubecleaningprocedure Mechanical Removal of Deposits Replacement Parts Conditions and Exceptions NEW Boiler Limited Warranty Tennessee Waltz Parkway, Ashland City, TN Phone