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

A.O. Smith HYB-90N warranty

Models: HYB-90N

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A.O. Smith HYB-90N warranty

Contents

Installation and Operating Manual For Your SafetyPOWER VENT GAS MODELS HYBRID GAS WATER HEATERSTABLE OF CONTENTS IMPORTANT INFORMATIONSAFE INSTALLATION, USE AND SERVICE IMPORTANT DEFINITIONSGENERAL SAFETY DANGER GENERAL SAFETYINTRODUCTION Page REPLACEMENT PARTS AND DELIMING PRODUCTS GET TO KNOW YOUR WATER HEATER - GAS MODELSINSTALLATION CONSIDERATIONS ROUGH IN DIMENSIONSINSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS WATER PIPING - MIXING VALVE USAGE Water Potable Heating All models are consideredFACTS TO CONSIDER ABOUT LOCATION HANDLE INSTALLATION DANGEREARTHQUAKE ZONES Access ToTop Casing Front ScrewsScrews ScrewsAPPLIANCES IN UNCONFINED SPACES COMBUSTION AIR AND VENTILATIONAPPLIANCES IN CONFINED SPACES B. ALL AIR FROM OUTDOORS See Figures 12, 13 and CLOSED WATER SYSTEMS CHEMICAL VAPOR CORROSIONWATER PIPING THERMAL EXPANSIONTEMPERATURE-PRESSURE RELIEF VALVE HARD WATERT&P Valve and Pipe Insulation if supplied GAS PIPING SEDIMENT TRAPSFLOODING/FREEZING HIGH ALTITUDE INSTALLATIONSGAS LINE PURGING FILLING THE WATER HEATERVENT PIPE TERMINATION If using 2 inch vent pipePLANNING THE VENT SYSTEM TERMINATION ELBOW If using 3 inch vent pipeRODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINE ELBOW STRAPCONDENSATE INSTALLATION OF VENT SYSTEMVENT TERMINAL INSTALLATION, SIDEWALL CONDENSATION WARNINGINSTALLATION SEQUENCE SEQUENCE OF INSTALLATIONSVent terminals supplied with heater must be used INSTALLATION OF VENT SYSTEM, SIDEWALL INSTALLATION OF VERTICAL VENT SYSTEMVENT PIPE PREPARATION STEP A RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONSSTEP B STEP F U.S. POWER VENTSTEP E STEP G CONNECTION TO VENT PIPEVENT HOODS MAY BE EXTREMELY HOT DURING OPERATION FIGURE 33a ELECTRICAL CONNECTIONSCALIBRATION “OFF”, “up”OPERATING INSTRUCTIONS DISPLAY PANELNumeric Display CONTROLS. WIRING ERRORS CAN CAUTION LABEL ALL WIRES PRIOR TODISCONNECTION WHEN SERVICING CAUSE IMPROPER AND DANGEROUSOPERATING INSTRUCTIONS LIGHTING INSTRUCTIONSFOR YOUR SAFETY READ BEFORE LIGHTING TO TURN OFF GAS TO APPLIANCESTATE HEAT CYCLE DEFINITIONSDESCRIPTION TEMPERATURE REGULATION UNIQUE HYBRID FEATURES Temperature ProbesWater Circulation Pump TEMPERATURE REGULATION Line Voltage MonitorSTART UP CONDITIONS CONSTANT OUTPUT TEMPERATURE CONTROLDetection of Failure to Maintain Desired Constant Temperature OPERATIONAL CONDITIONSVENTING SYSTEM INSPECTION MAINTENANCEHOUSEKEEPING BURNER OPERATION AND INSPECTIONCLEANING THE INLET WATER FILTER ANODE ROD REPLACEMENTTEMPERATURE-PRESSURE RELIEF VALVE OPERATION MOTORSCLEANING THE HEAT ENGINE FLUSHING THE HEAT EXCHANGER LIME BUILD- UPFAULT INDICATION AND ERROR CODES DRAINING THE TANKCode and DIAGNOSTIC DISPLAYDiagnostic DisplayedCause FaultLockout RemedyCode FaultLockout DescriptionCode FaultLockout DescriptionTROUBLESHOOTING Check if there is any error code on ProblemWHEN THE TAP IS OPENED b.The unit display is an error codeSERVICE LEAKAGE CHECKPOINTSDESCRIPTION PARTS IDENTIFICATIONITEM # A Bafﬂe, Flue B Hot Water Outlet Nipple w/ Anode, Heat TrapAB C DEF G T SH R I Q P REPLACEMENT PARTS DESCRIPTION KIT #CLAIM PROCEDURE LIMITED RESIDENTIAL GAS WARRANTYSERVICE AND LABOR RESPONSIBILITY CONDITIONS AND EXCEPTIONSPage Page 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY, TN PHONE 1-800-433-2545 FAX