A.O. Smith BTN 120 THRU 400/A Series Lighting And Operation Instructions, Operating Instructions

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LIGHTING AND OPERATION INSTRUCTIONS

LIGHTING AND OPERATION INSTRUCTIONS

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.

A. This appliance does not have a pilot. It is equipped •

If you cannot reach your gas supplier, call the fire

with an ignition device which automatically lights the

department.

burner. Do not try to light the burner by hand.

 

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

“WHAT TO DO IF YOU SMELL GAS”

•Do not try to light any appliance.

•Do not touch any electric switch; do not use any telephone in your building.

•Immediately call your gas supplier from a neighbor’s telephone. Follow the gas supplier’s instructions.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

OPERATING INSTRUCTIONS

1.

STOP! Read the safety information above on this

9.

Set thermostat to desired setting.

 

label.

 

 

10.

If the appliance will not operate, follow the

 

 

 

 

2.

Set thermostat to lowest setting.

 

 

instructions “To Turn Off Gas To Appliance” and call

3.

Turn off all electric power to the appliance.

 

 

your service technician or gas supplier.

 

 

 

4.

This appliance is equipped with an ignition device

 

 

 

which automatically lights the burner. Do not try to

 

 

 

light the burner by hand.

 

 

 

 

5.

Push in gas control knob slightly and turn clockwise

 

 

 

to “OFF”.

 

 

 

 

6.

Wait five (5) minutes to clear out any gas.

If you

 

 

 

then smell gas,

STOP! Follow “B” in the

 

 

 

safety information

above on this label. If you

 

 

 

don’t smell gas, go on to the next step.

 

 

 

7.

Turn gas control knob counterclockwise

to “ON”.

 

 

8.

Turn on all electric power to the appliance.

 

 

 

FOR YOUR SAFETY READ BEFORE OPERATING

1.Set the thermostat to lowest setting.

2.Turn off all electric power to appliance if service is to be performed.

3.Push in gas control knob slightly and turn clockwise Manual background to “OFF”. Do not force.

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Contents INSTALLATION OPERATION MAINTENANCE LIMITED WARRANTY MODELS BTN 120 THRU 400/A SeriesCOMMERCIAL GAS, GLASS-LINED, TANK-TYPE WATER HEATER ROUGH-IN-DIMENSIONS TABLE 1. ROUGH-IN-DIMENSIONSTABLE 3. GASAND ELECTRICAL CHARACTERISTICS FRONT VIEWTABLE OF CONTENTS FOREWORDGENERAL SAFETY INFORMATION PRECAUTIONSGROUNDING INSTRUCTIONS CHEMICAL VAPOR CORROSIONFEATURES HIGH ALTITUDE INSTALLATIONSHIGH LIMIT SWITCH ELECTRONIC IGNITION CONTROLCIRCULATING PUMP DISHWASHING MACHINE REQUIREMENTUNCRATING LOCATING THE HEATERLEVELING CLEARANCESHARD WATER AIR REQUIREMENTSVENTING MULTIPLE HEATER MANIFOLDUNCONFINED SPACE CONFINED SPACETABLE 6. TECHNICAL DATA VENTING TYPE B GAS VENT Multiple Gas Fired Tank-Type HeatersTABLE 6. TECHNICAL DATA VENTING Continued WATER LINE CONNECTIONS WATER POTABLE HEATING AND SPACE HEATING See pagesTHERMOMETERS Not Supplied RELIEF VALVEINSTALLATION DIAGRAMS-TOP INLET/OUTLET USAGE GENERALCODE RESTRICTIONS DANGERVERTICAL STORAGE TANK AND FORCED CIRCULATION HORIZONTAL STORAGE TANK AND FORCED CIRCULATIONTEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROLTWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE STORAGE WITH RECIRCULATION OF SANITIZING LOOPINSTALLATION DIAGRAMS-SIDE INLET/OUTLET USAGE TWO TEMPERATURE - TWO HEATERS, ONE PRE-HEATER/ONE - BOOSTER HEATERWITH OR WITHOUT BUILDING RECIRCULATION 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 LOOPTWO 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 HEATERMEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATIONVERTICAL STORAGE TANK HORIZONTAL STORAGE TANKMANIFOLD KITS TWO UNIT MANIFOLD KITTHREE UNIT MANIFOLD KIT FOUR UNIT MANIFOLD KITHEATER WIRING FIGURE 9 - SINGLE UNIT WIRING DIAGRAM BTN-120 THROUGH 400AGAS PIPING GAS PRESSURE REGULATORTABLE 7 - GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUROPERATION MANIFOLD GAS PRESSURE IN INCHES OF WATER COLUMN ALL MODELSAPPROXIMATE TIME REQUIRED TO CONSUME 1 CU. FT. OF GAS AT FULL CAPACITYSEQUENCE OF OPERATION FOR YOUR SAFETY READ BEFORE OPERATING LIGHTING AND OPERATION INSTRUCTIONSOPERATING INSTRUCTIONS PREVENTIVE MAINTENANCE CHECK THE IGNITOR ASSEMBLYIGNITOR ASSEMBLY WATER TEMPERATURE CONTROLMAIN BURNER GAS VALVESCHECKING THE INPUT FIGURE 11, IGNITORVENTING SYSTEM REMOTE STORAGE TANK TEMPERATURE CONTROLHOT WATER ODOR ANODE ROD INSPECTIONRECOMMENDED PROCEDURE FOR TANK CLEANOUT PROCEDUREDELIMING SOLVENTS DELIMING USING FLO-JUG METHODSERVICE SYSTEM DIAGNOSTICSIGNITION MODULE SYSTEM ELECTRICAL SERVICINGREPLACEMENT PARTS, SERVICE HANDBOOKS AND TRAINING AIDS SEQUENCE OF OPERATION FLOW CHARTREPLACEMENT PARTS OPERATIONAL CHECKLIST SERVICEMANREMEDY COMPLAINTModel BTN Limited Warranty 4. SERVICEANDREPAIREXPENSES6. CLAIMPROCEDURE KEEPTHISWARRANTYPOSTEDADJACENTTOTHEHEATERFORFUTUREREFERENCE
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