Manifold Kits

TWO UNIT MANIFOLD KIT

(PART NO. 78692)

MODEL	DIMENSION “A”
BTN-120	63”
BTN-154	68”
BTN-180	72”
BTN-199	72”
BTN-200/A	72”
BTN-250/A	72”
BTN-275/A	72”
BTN-310/A	73”
BTN-366/A	73”
BTN-400/A	73”

THREE UNIT MANIFOLD KIT

(PART NO. 78593)

FOUR UNIT MANIFOLD KIT

(PART NO. 78694)

Page 19

Image 19

A.O. Smith BTN 120 THRU 400/A Series Manifold Kits, Two Unit Manifold Kit, Three Unit Manifold Kit, Four Unit Manifold Kit

Contents

MODELS BTN 120 THRU 400/A Series INSTALLATION OPERATION MAINTENANCE LIMITED WARRANTYCOMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER FRONT VIEW ROUGH-IN-DIMENSIONSTABLE 1. ROUGH-IN-DIMENSIONS TABLE 3. GASAND ELECTRICAL CHARACTERISTICS FOREWORD TABLE OF CONTENTS CHEMICAL VAPOR CORROSION GENERAL SAFETY INFORMATIONPRECAUTIONS GROUNDING INSTRUCTIONS ELECTRONIC IGNITION CONTROL FEATURESHIGH ALTITUDE INSTALLATIONS HIGH LIMIT SWITCH LOCATING THE HEATER CIRCULATING PUMPDISHWASHING MACHINE REQUIREMENT UNCRATING AIR REQUIREMENTS LEVELINGCLEARANCES HARD WATER CONFINED SPACE VENTINGMULTIPLE HEATER MANIFOLD UNCONFINED SPACE TYPE B GAS VENT Multiple Gas Fired Tank-Type Heaters TABLE 6. TECHNICAL DATA VENTING TABLE 6. TECHNICAL DATA VENTING Continued RELIEF VALVE WATER LINE CONNECTIONSWATER POTABLE HEATING AND SPACE HEATING See pages THERMOMETERS Not Supplied DANGER INSTALLATION DIAGRAMS-TOP INLET/OUTLET USAGEGENERAL CODE RESTRICTIONS TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL VERTICAL STORAGE TANK AND FORCED CIRCULATIONHORIZONTAL STORAGE TANK AND FORCED CIRCULATION TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE WITH RECIRCULATION OF SANITIZING LOOP TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGE TWO TEMPERATURE - TWO HEATERS, ONE PRE-HEATER/ONE - BOOSTER HEATER INSTALLATION DIAGRAMS-SIDE INLET/OUTLET USAGEWITH OR WITHOUT BUILDING RECIRCULATION HEATER WITH MIXING VALVE AND RECIRCULATED SANITIZING LOOP ONE OR TWO TEMPERATURE - ONE HEATERS,HIGH TEMPERATURESTORAGE WITH OR WITHOUT RECIRCULATION HEATER WITH OR WITHOUT MIXING VALVE TWO PRE-HEATERS WITH BOOSTER HEATER TWO TEMPERATURE - TWO PRE-HEATERS WITH MIXING VALVE OR BOOSTERHEATER WITH OR WITHOUT BUILING RECIRCULATION TWO PRE-HEATERS WITH MIXING VALVE HORIZONTAL STORAGE TANK MEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCEDCIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION VERTICAL STORAGE TANK FOUR UNIT MANIFOLD KIT MANIFOLD KITSTWO UNIT MANIFOLD KIT THREE UNIT MANIFOLD KIT FIGURE 9 - SINGLE UNIT WIRING DIAGRAM BTN-120 THROUGH 400A HEATER WIRING CUBIC FEET PER HOUR GAS PIPINGGAS PRESSURE REGULATOR TABLE 7 - GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN 1 CU. FT. OF GAS AT FULL CAPACITY OPERATIONMANIFOLD GAS PRESSURE IN INCHES OF WATER COLUMN ALL MODELS APPROXIMATE TIME REQUIRED TO CONSUME SEQUENCE OF OPERATION LIGHTING AND OPERATION INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS WATER TEMPERATURE CONTROL PREVENTIVE MAINTENANCECHECK THE IGNITOR ASSEMBLY IGNITOR ASSEMBLY FIGURE 11, IGNITOR MAIN BURNERGAS VALVES CHECKING THE INPUT ANODE ROD INSPECTION VENTING SYSTEMREMOTE STORAGE TANK TEMPERATURE CONTROL HOT WATER ODOR DELIMING USING FLO-JUG METHOD RECOMMENDED PROCEDURE FORTANK CLEANOUT PROCEDURE DELIMING SOLVENTS ELECTRICAL SERVICING SERVICESYSTEM DIAGNOSTICS IGNITION MODULE SYSTEM SEQUENCE OF OPERATION FLOW CHART REPLACEMENT PARTS, SERVICE HANDBOOKS AND TRAINING AIDSREPLACEMENT PARTS COMPLAINT OPERATIONAL CHECKLISTSERVICEMAN REMEDY KEEPTHISWARRANTYPOSTEDADJACENTTOTHEHEATERFORFUTUREREFERENCE Model BTN Limited Warranty4. SERVICEANDREPAIREXPENSES 6. CLAIMPROCEDURE

A.O. Smith BTN 120 THRU 400/A Series Manifold Kits, Two Unit Manifold Kit, Four Unit Manifold Kit

Models: BTN 120 THRU 400/A Series

MANIFOLD KITS

TWO UNIT MANIFOLD KIT

THREE UNIT MANIFOLD KIT

FOUR UNIT MANIFOLD KIT