A.O. Smith HYB-90N specification

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A.O. Smith HYB-90N warranty

Contents

HYBRID GAS WATER HEATERS For Your SafetyPOWER VENT GAS MODELS Installation and Operating Manual IMPORTANT INFORMATION TABLE OF CONTENTS IMPORTANT DEFINITIONS SAFE INSTALLATION, USE AND SERVICE GENERAL SAFETY DANGER INTRODUCTION Page GET TO KNOW YOUR WATER HEATER - GAS MODELS REPLACEMENT PARTS AND DELIMING PRODUCTS ROUGH IN DIMENSIONS INSTALLATION CONSIDERATIONS INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS Water Potable Heating All models are considered WATER PIPING - MIXING VALVE USAGE FACTS TO CONSIDER ABOUT LOCATION HANDLE INSTALLATION Access To EARTHQUAKE ZONES Top Casing Front Screws APPLIANCES IN UNCONFINED SPACES COMBUSTION AIR AND VENTILATIONAPPLIANCES IN CONFINED SPACES B. ALL AIR FROM OUTDOORS See Figures 12, 13 and THERMAL EXPANSION CHEMICAL VAPOR CORROSIONWATER PIPING CLOSED WATER SYSTEMS TEMPERATURE-PRESSURE RELIEF VALVE HARD WATER T&P Valve and Pipe Insulation if supplied SEDIMENT TRAPS GAS PIPING FILLING THE WATER HEATER HIGH ALTITUDE INSTALLATIONSGAS LINE PURGING FLOODING/FREEZING VENT PIPE TERMINATION If using 2 inch vent pipePLANNING THE VENT SYSTEM ELBOW STRAP If using 3 inch vent pipeRODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINE TERMINATION ELBOW CONDENSATION WARNING INSTALLATION OF VENT SYSTEMVENT TERMINAL INSTALLATION, SIDEWALL CONDENSATE INSTALLATION SEQUENCE SEQUENCE OF INSTALLATIONSVent terminals supplied with heater must be used INSTALLATION OF VERTICAL VENT SYSTEM INSTALLATION OF VENT SYSTEM, SIDEWALL VENT PIPE PREPARATION STEP A RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONSSTEP B STEP G CONNECTION TO VENT PIPE U.S. POWER VENTSTEP E STEP F VENT HOODS MAY BE EXTREMELY HOT DURING OPERATION “OFF”, “up” ELECTRICAL CONNECTIONSCALIBRATION FIGURE 33a DISPLAY PANEL OPERATING INSTRUCTIONS Numeric Display CAUSE IMPROPER AND DANGEROUS CAUTION LABEL ALL WIRES PRIOR TODISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN TO TURN OFF GAS TO APPLIANCE LIGHTING INSTRUCTIONSFOR YOUR SAFETY READ BEFORE LIGHTING OPERATING INSTRUCTIONS STATE HEAT CYCLE DEFINITIONSDESCRIPTION TEMPERATURE REGULATION Temperature Probes UNIQUE HYBRID FEATURES Water Circulation Pump Line Voltage Monitor OPERATIONAL CONDITIONS CONSTANT OUTPUT TEMPERATURE CONTROLDetection of Failure to Maintain Desired Constant Temperature START UP CONDITIONS BURNER OPERATION AND INSPECTION MAINTENANCEHOUSEKEEPING VENTING SYSTEM INSPECTION MOTORS ANODE ROD REPLACEMENTCLEANING THE INLET WATER FILTER TEMPERATURE-PRESSURE RELIEF VALVE OPERATION FLUSHING THE HEAT EXCHANGER LIME BUILD- UP CLEANING THE HEAT ENGINE DRAINING THE TANK FAULT INDICATION AND ERROR CODES Displayed DIAGNOSTIC DISPLAYDiagnostic Code and Remedy FaultLockout Cause Description FaultLockout Code Description TROUBLESHOOTING system installed, or there is a WHEN THE TAP IS OPENEDCheck if there is any error code on b.The unit display is an error code LEAKAGE CHECKPOINTS SERVICE ITEM # PARTS IDENTIFICATIONA Bafﬂe, Flue B Hot Water Outlet Nipple w/ Anode, Heat Trap AB C DEF G T SH R I Q P KIT # REPLACEMENT PARTS DESCRIPTION CONDITIONS AND EXCEPTIONS LIMITED RESIDENTIAL GAS WARRANTYSERVICE AND LABOR RESPONSIBILITY CLAIM PROCEDUREPage Page 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY, TN PHONE 1-800-433-2545 FAX