Heater Wiring | A.O. Smith BTN 120 THRU 400/A Series manual

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A.O. Smith BTN 120 THRU 400/A Series warranty Heater Wiring, SINGLE UNIT WIRING DIAGRAM BTN-120 THROUGH 400A

Contents

COMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER INSTALLATION OPERATION MAINTENANCE LIMITED WARRANTYMODELS BTN 120 THRU 400/A Series ROUGH-IN-DIMENSIONS TABLE 1. ROUGH-IN-DIMENSIONSTABLE 3. GASAND ELECTRICAL CHARACTERISTICS FRONT VIEW TABLE OF CONTENTS FOREWORD GENERAL SAFETY INFORMATION PRECAUTIONSGROUNDING INSTRUCTIONS CHEMICAL VAPOR CORROSION FEATURES HIGH ALTITUDE INSTALLATIONSHIGH LIMIT SWITCH ELECTRONIC IGNITION CONTROL CIRCULATING PUMP DISHWASHING MACHINE REQUIREMENTUNCRATING LOCATING THE HEATER LEVELING CLEARANCESHARD WATER AIR REQUIREMENTS VENTING MULTIPLE HEATER MANIFOLDUNCONFINED SPACE CONFINED SPACE TABLE 6. TECHNICAL DATA VENTING TYPE B GAS VENT Multiple Gas Fired Tank-Type Heaters TABLE 6. TECHNICAL DATA VENTING Continued WATER LINE CONNECTIONS WATER POTABLE HEATING AND SPACE HEATING See pagesTHERMOMETERS Not Supplied RELIEF VALVE INSTALLATION DIAGRAMS-TOP INLET/OUTLET USAGE GENERALCODE RESTRICTIONS DANGER VERTICAL STORAGE TANK AND FORCED CIRCULATION HORIZONTAL STORAGE TANK AND FORCED CIRCULATIONTEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGE WITH RECIRCULATION OF SANITIZING LOOP WITH OR WITHOUT BUILDING RECIRCULATION INSTALLATION DIAGRAMS-SIDE INLET/OUTLET USAGETWO TEMPERATURE - TWO HEATERS, ONE PRE-HEATER/ONE - BOOSTER HEATER ONE OR TWO TEMPERATURE - ONE HEATERS,HIGH TEMPERATURE STORAGE WITH OR WITHOUT RECIRCULATIONHEATER WITH OR WITHOUT MIXING VALVE HEATER WITH MIXING VALVE AND RECIRCULATED SANITIZING LOOP TWO TEMPERATURE - TWO PRE-HEATERS WITH MIXING VALVE OR BOOSTER HEATER WITH OR WITHOUT BUILING RECIRCULATIONTWO PRE-HEATERS WITH MIXING VALVE TWO PRE-HEATERS WITH BOOSTER HEATER MEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATIONVERTICAL STORAGE TANK HORIZONTAL STORAGE TANK MANIFOLD KITS TWO UNIT MANIFOLD KITTHREE UNIT MANIFOLD KIT FOUR UNIT MANIFOLD KIT HEATER WIRING FIGURE 9 - SINGLE UNIT WIRING DIAGRAM BTN-120 THROUGH 400A GAS PIPING GAS PRESSURE REGULATORTABLE 7 - GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUR OPERATION MANIFOLD GAS PRESSURE IN INCHES OF WATER COLUMN ALL MODELSAPPROXIMATE TIME REQUIRED TO CONSUME 1 CU. FT. OF GAS AT FULL CAPACITY SEQUENCE OF OPERATION OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGLIGHTING AND OPERATION INSTRUCTIONS PREVENTIVE MAINTENANCE CHECK THE IGNITOR ASSEMBLYIGNITOR ASSEMBLY WATER TEMPERATURE CONTROL MAIN BURNER GAS VALVESCHECKING THE INPUT FIGURE 11, IGNITOR VENTING SYSTEM REMOTE STORAGE TANK TEMPERATURE CONTROLHOT WATER ODOR ANODE ROD INSPECTION RECOMMENDED PROCEDURE FOR TANK CLEANOUT PROCEDUREDELIMING SOLVENTS DELIMING USING FLO-JUG METHOD SERVICE SYSTEM DIAGNOSTICSIGNITION MODULE SYSTEM ELECTRICAL SERVICING REPLACEMENT PARTS REPLACEMENT PARTS, SERVICE HANDBOOKS AND TRAINING AIDSSEQUENCE OF OPERATION FLOW CHART OPERATIONAL CHECKLIST SERVICEMANREMEDY COMPLAINT Model BTN Limited Warranty 4. SERVICEANDREPAIREXPENSES6. CLAIMPROCEDURE KEEPTHISWARRANTYPOSTEDADJACENTTOTHEHEATERFORFUTUREREFERENCE