For Your Safety | A.O. Smith HYB-90N instruction

Installation and Operating Manual

Installation and Operating Manual

HYBRID GAS WATER HEATERS

POWER VENT GAS MODELS

www.hotwater.com

CSA 4.3b-2008

ANSI Z21.10.3b-2008

• For Your Safety •

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED.

	KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
	WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
PRINTED IN U.S.A. 0610	316888-000 Rev. 00

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A.O. Smith HYB-90N warranty For Your Safety, Power Vent Gas Models, Hybrid Gas Water Heaters

Contents

POWER VENT GAS MODELS For Your SafetyInstallation and Operating Manual HYBRID GAS WATER HEATERS 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 WATER PIPING CHEMICAL VAPOR CORROSIONCLOSED WATER SYSTEMS THERMAL EXPANSION TEMPERATURE-PRESSURE RELIEF VALVE HARD WATER T&P Valve and Pipe Insulation if supplied SEDIMENT TRAPS GAS PIPING GAS LINE PURGING HIGH ALTITUDE INSTALLATIONSFLOODING/FREEZING FILLING THE WATER HEATER VENT PIPE TERMINATION If using 2 inch vent pipePLANNING THE VENT SYSTEM RODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINE If using 3 inch vent pipeTERMINATION ELBOW ELBOW STRAP VENT TERMINAL INSTALLATION, SIDEWALL INSTALLATION OF VENT SYSTEMCONDENSATE CONDENSATION WARNING 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 E U.S. POWER VENTSTEP F STEP G CONNECTION TO VENT PIPE VENT HOODS MAY BE EXTREMELY HOT DURING OPERATION CALIBRATION ELECTRICAL CONNECTIONSFIGURE 33a “OFF”, “up” DISPLAY PANEL OPERATING INSTRUCTIONS Numeric Display DISCONNECTION WHEN SERVICING CAUTION LABEL ALL WIRES PRIOR TOCONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS FOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONSOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE STATE HEAT CYCLE DEFINITIONSDESCRIPTION TEMPERATURE REGULATION Temperature Probes UNIQUE HYBRID FEATURES Water Circulation Pump Line Voltage Monitor Detection of Failure to Maintain Desired Constant Temperature CONSTANT OUTPUT TEMPERATURE CONTROLSTART UP CONDITIONS OPERATIONAL CONDITIONS HOUSEKEEPING MAINTENANCEVENTING SYSTEM INSPECTION BURNER OPERATION AND INSPECTION CLEANING THE INLET WATER FILTER ANODE ROD REPLACEMENTTEMPERATURE-PRESSURE RELIEF VALVE OPERATION MOTORS FLUSHING THE HEAT EXCHANGER LIME BUILD- UP CLEANING THE HEAT ENGINE DRAINING THE TANK FAULT INDICATION AND ERROR CODES Diagnostic DIAGNOSTIC DISPLAYCode and Displayed Lockout FaultCause Remedy Lockout FaultCode Description Lockout TROUBLESHOOTING Check if there is any error code on WHEN THE TAP IS OPENEDb.The unit display is an error code system installed, or there is a 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 SERVICE AND LABOR RESPONSIBILITY LIMITED RESIDENTIAL GAS WARRANTYCLAIM PROCEDURE CONDITIONS AND EXCEPTIONSPage Page 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY, TN PHONE 1-800-433-2545 FAX