Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith BTN 120 THRU 400/A Series warranty Heater With Or Without Builing Recirculation, Danger

Models: BTN 120 THRU 400/A Series

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Page 17

Image 17

TWO TEMPERATURE - TWO PRE-HEATERS WITH MIXING VALVE OR BOOSTER

HEATER WITH OR WITHOUT BUILING RECIRCULATION

TWO PRE-HEATERS WITH MIXING VALVE

DANGER

TEMPERATURE SETTING SHOULD NOT

EXCEED SAFE USE TEMPERATURE AT

FIXTURES. SEE WATER TEMPERATURE

CONTROL WARNING ON PAGE 25. IF HIGHER

PREHEAT TEMPERATURES ARE NECESSARY

TO OBTAIN ADEQUATE BOOSTER OUTPUT,

ADD AN ANTI-SCALD VALVE FOR HOT WATER

SUPPLIED TO FIXTURES.

TWO PRE-HEATERS WITH BOOSTER HEATER

Page 17

Image 17

A.O. Smith BTN 120 THRU 400/A Series warranty Two Temperature - Two Pre-Heaters With Mixing Valve Or Booster, Danger

Contents

COMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER INSTALLATION OPERATION MAINTENANCE LIMITED WARRANTYMODELS BTN 120 THRU 400/A Series TABLE 1. ROUGH-IN-DIMENSIONS ROUGH-IN-DIMENSIONSTABLE 3. GASAND ELECTRICAL CHARACTERISTICS FRONT VIEWFOREWORD TABLE OF CONTENTSPRECAUTIONS GENERAL SAFETY INFORMATIONGROUNDING INSTRUCTIONS CHEMICAL VAPOR CORROSIONHIGH ALTITUDE INSTALLATIONS FEATURESHIGH LIMIT SWITCH ELECTRONIC IGNITION CONTROLDISHWASHING MACHINE REQUIREMENT CIRCULATING PUMPUNCRATING LOCATING THE HEATERCLEARANCES LEVELINGHARD WATER AIR REQUIREMENTSMULTIPLE HEATER MANIFOLD VENTINGUNCONFINED SPACE CONFINED SPACETYPE B GAS VENT Multiple Gas Fired Tank-Type Heaters TABLE 6. TECHNICAL DATA VENTINGTABLE 6. TECHNICAL DATA VENTING Continued WATER POTABLE HEATING AND SPACE HEATING See pages WATER LINE CONNECTIONSTHERMOMETERS Not Supplied RELIEF VALVEGENERAL INSTALLATION DIAGRAMS-TOP INLET/OUTLET USAGECODE RESTRICTIONS DANGERHORIZONTAL STORAGE TANK AND FORCED CIRCULATION VERTICAL STORAGE TANK AND FORCED CIRCULATIONTEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROLDANGER TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGEWITH RECIRCULATION OF SANITIZING LOOP TWO TEMPERATURE - TWO HEATERS, ONE PRE-HEATER/ONE - BOOSTER HEATER INSTALLATION DIAGRAMS-SIDE INLET/OUTLET USAGEWITH OR WITHOUT BUILDING RECIRCULATION DANGERSTORAGE WITH OR WITHOUT RECIRCULATION ONE OR TWO TEMPERATURE - ONE HEATERS,HIGH TEMPERATUREHEATER WITH OR WITHOUT MIXING VALVE HEATER WITH MIXING VALVE AND RECIRCULATED SANITIZING LOOPHEATER WITH OR WITHOUT BUILING RECIRCULATION TWO TEMPERATURE - TWO PRE-HEATERS WITH MIXING VALVE OR BOOSTERTWO PRE-HEATERS WITH MIXING VALVE TWO PRE-HEATERS WITH BOOSTER HEATERCIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION MEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCEDVERTICAL STORAGE TANK HORIZONTAL STORAGE TANKTWO UNIT MANIFOLD KIT MANIFOLD KITSTHREE UNIT MANIFOLD KIT FOUR UNIT MANIFOLD KITFIGURE 9 - SINGLE UNIT WIRING DIAGRAM BTN-120 THROUGH 400A HEATER WIRINGGAS PRESSURE REGULATOR GAS PIPINGTABLE 7 - GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOURMANIFOLD GAS PRESSURE IN INCHES OF WATER COLUMN ALL MODELS OPERATIONAPPROXIMATE TIME REQUIRED TO CONSUME 1 CU. FT. OF GAS AT FULL CAPACITYSEQUENCE OF OPERATION LIGHTING AND OPERATION INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGWATER TEMPERATURE CONTROL PREVENTIVE MAINTENANCECHECK THE IGNITOR ASSEMBLY IGNITOR ASSEMBLYGAS VALVES MAIN BURNERCHECKING THE INPUT FIGURE 11, IGNITORVENTING SYSTEM REMOTE STORAGE TANK TEMPERATURE CONTROLHOT WATER ODOR ANODE ROD INSPECTIONTANK CLEANOUT PROCEDURE RECOMMENDED PROCEDURE FORDELIMING SOLVENTS DELIMING USING FLO-JUG METHODSYSTEM DIAGNOSTICS SERVICEIGNITION MODULE SYSTEM ELECTRICAL SERVICINGREPLACEMENT PARTS REPLACEMENT PARTS, SERVICE HANDBOOKS AND TRAINING AIDSSEQUENCE OF OPERATION FLOW CHART SERVICEMAN OPERATIONAL CHECKLISTREMEDY COMPLAINT4. SERVICEANDREPAIREXPENSES Model BTN Limited Warranty6. CLAIMPROCEDURE KEEPTHISWARRANTYPOSTEDADJACENTTOTHEHEATERFORFUTUREREFERENCE