A.O. Smith HYB-90N warranty Get To Know Your Water Heater - Gas Models

A.O. Smith HYB-90N warranty For Your Safety, Power Vent Gas Models, Hybrid Gas Water Heaters A.O. Smith HYB-90N warranty Table Of Contents, Important Information A.O. Smith HYB-90N warranty Safe Installation, Use And Service, Important Definitions A.O. Smith HYB-90N warranty General Safety A.O. Smith HYB-90N warranty Danger, General Safety A.O. Smith HYB-90N warranty Introduction A.O. Smith HYB-90N warranty A.O. Smith HYB-90N warranty Get To Know Your Water Heater - Gas Models, Replacement Parts And Deliming Products A.O. Smith HYB-90N warranty Installation Considerations, Rough In Dimensions A.O. Smith HYB-90N warranty Installation Requirements For The Commonwealth Of Massachusetts A.O. Smith HYB-90N warranty Water Piping - Mixing Valve Usage, Water Potable Heating All models are considered A.O. Smith HYB-90N warranty Facts To Consider About Location A.O. Smith HYB-90N warranty Handle Installation, Danger A.O. Smith HYB-90N warranty Earthquake Zones, Access To A.O. Smith HYB-90N warranty Screws, Top Casing Front A.O. Smith HYB-90N warranty Combustion Air And Ventilation, Appliances In Unconfined Spaces, Appliances In Confined Spaces A.O. Smith HYB-90N warranty B. ALL AIR FROM OUTDOORS See Figures 12, 13 and A.O. Smith HYB-90N warranty Chemical Vapor Corrosion, Water Piping, Closed Water Systems, Thermal Expansion A.O. Smith HYB-90N warranty Hard Water, Temperature-Pressure Relief Valve A.O. Smith HYB-90N warranty T&P Valve and Pipe Insulation if supplied A.O. Smith HYB-90N warranty Gas Piping, Sediment Traps A.O. Smith HYB-90N Gas Line Purging, High Altitude Installations, Flooding/Freezing, Filling The Water Heater, Venting A.O. Smith HYB-90N warranty Vent Pipe Termination, Planning The Vent System, If using 2 inch vent pipe A.O. Smith HYB-90N warranty If using 3 inch vent pipe, Termination Elbow, Elbow Strap, ELBOW 6 in 15cm MIN A.O. Smith HYB-90N Condensate, Condensation Warning, Installation Of Vent System, Vent Terminal Installation, Sidewall A.O. Smith HYB-90N Sequence Of Installations, Installation Sequence, Vent terminals supplied with heater must be used A.O. Smith HYB-90N warranty Installation Of Vent System, Sidewall, Installation Of Vertical Vent System A.O. Smith HYB-90N warranty Vent Pipe Preparation A.O. Smith HYB-90N warranty Recommended Brush* Size For Primer And Cement Applications, Step A, Step B A.O. Smith HYB-90N warranty Step E, Step F, Step G Connection To Vent Pipe, U.S. Power Vent A.O. Smith HYB-90N warranty Vent Hoods May Be Extremely Hot During Operation
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GET TO KNOW YOUR WATER HEATER - GAS MODELS

GET TO KNOW YOUR WATER HEATER - GAS MODELS

A Mixing Valve***

U Side Casing (Plastic)

B Hot Water Outlet (Tempered)***

V Top Casing Enclosure (Plastic)

C Pipe Insulation***

W Exhaust Elbow Assembly

D Inlet Water Shutoff Valve***

X T&P Relief Valve

E Cold Water Inlet***

Y Anode

F Expansion Tank***

Z Inlet Dip Tube

G Vent Termination Elbow**

 

H Access Door (Heat Engine)

* CAUTION HARNESS HAS 120 VAC. IN

I Earthquake Strap***

OPERATION.

J Power Cord*

** See “Planning the Vent System,” “Installation

K Main Manual Gas Shutoff Valve***

of Vent System” and “Condensate” for more

L Gas Supply***

information.

M Sediment Pocket***

*** These items not included.

N Condensate Tube

 

O Drain Pan***

 

P Drain Valve

 

Q Heat Engine Hose - Cold In

 

R Casing Door (Plastic)

 

S Display Enclosure (Plastic)

 

T Heat Engine Hose - Hot Out

 

A B C D E

V

UF T

G

S

H

I

J

K

L

M

REPLACEMENT PARTS AND DELIMING PRODUCTS

Replacement parts and recommended delimer may be ordered through authorized servicers or distributors. When ordering parts, provide complete model and serial numbers (see rating plate), quantity and name of part desired. Standard hardware items may be purchased locally.

X

N

W

YZ

R Q P O N

FIGURE 1

8

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Contents For Your Safety POWER VENT GAS MODELSInstallation and Operating Manual HYBRID GAS WATER HEATERSTABLE OF CONTENTS IMPORTANT INFORMATIONSAFE INSTALLATION, USE AND SERVICE IMPORTANT DEFINITIONSGENERAL SAFETY DANGER INTRODUCTION 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 EARTHQUAKE ZONES Access ToScrews Top Casing FrontAPPLIANCES IN CONFINED SPACES COMBUSTION AIR AND VENTILATIONAPPLIANCES IN UNCONFINED SPACES B. ALL AIR FROM OUTDOORS See Figures 12, 13 and CHEMICAL VAPOR CORROSION WATER PIPINGCLOSED WATER SYSTEMS THERMAL EXPANSIONHARD WATER TEMPERATURE-PRESSURE RELIEF VALVET&P Valve and Pipe Insulation if supplied GAS PIPING SEDIMENT TRAPSHIGH ALTITUDE INSTALLATIONS GAS LINE PURGINGFLOODING/FREEZING FILLING THE WATER HEATERPLANNING THE VENT SYSTEM If using 2 inch vent pipeVENT PIPE TERMINATION If using 3 inch vent pipe RODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINETERMINATION ELBOW ELBOW STRAPINSTALLATION OF VENT SYSTEM VENT TERMINAL INSTALLATION, SIDEWALLCONDENSATE CONDENSATION WARNINGVent terminals supplied with heater must be used SEQUENCE OF INSTALLATIONSINSTALLATION SEQUENCE INSTALLATION OF VENT SYSTEM, SIDEWALL INSTALLATION OF VERTICAL VENT SYSTEMVENT PIPE PREPARATION STEP B RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONSSTEP A U.S. POWER VENT STEP ESTEP F STEP G CONNECTION TO VENT PIPEVENT HOODS MAY BE EXTREMELY HOT DURING OPERATION ELECTRICAL CONNECTIONS CALIBRATIONFIGURE 33a “OFF”, “up”OPERATING INSTRUCTIONS DISPLAY PANELNumeric Display CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICINGCONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUSLIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCEDESCRIPTION HEAT CYCLE DEFINITIONSSTATE TEMPERATURE REGULATION UNIQUE HYBRID FEATURES Temperature ProbesWater Circulation Pump Line Voltage Monitor CONSTANT OUTPUT TEMPERATURE CONTROL Detection of Failure to Maintain Desired Constant TemperatureSTART UP CONDITIONS OPERATIONAL CONDITIONSMAINTENANCE HOUSEKEEPINGVENTING SYSTEM INSPECTION BURNER OPERATION AND INSPECTIONANODE ROD REPLACEMENT CLEANING THE INLET WATER FILTERTEMPERATURE-PRESSURE RELIEF VALVE OPERATION MOTORSCLEANING THE HEAT ENGINE FLUSHING THE HEAT EXCHANGER LIME BUILD- UPFAULT INDICATION AND ERROR CODES DRAINING THE TANKDIAGNOSTIC DISPLAY DiagnosticCode and DisplayedFault LockoutCause RemedyFault LockoutCode DescriptionFault TROUBLESHOOTING WHEN THE TAP IS OPENED Check if there is any error code onb.The unit display is an error code system installed, or there is aSERVICE LEAKAGE CHECKPOINTSA Baffle, Flue B Hot Water Outlet Nipple w/ Anode, Heat Trap PARTS IDENTIFICATIONITEM # AB C DEF G T SH R I Q P REPLACEMENT PARTS DESCRIPTION KIT #LIMITED RESIDENTIAL GAS WARRANTY SERVICE AND LABOR RESPONSIBILITYCLAIM PROCEDURE CONDITIONS AND EXCEPTIONSPage Page 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY, TN PHONE 1-800-433-2545 FAX
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