A.O. Smith HYB-90N warranty Caution Label All Wires Prior To, Disconnection When Servicing

Page 35
CAUTION: LABEL ALL WIRES PRIOR TO

Flame Sense Rod

Blower

Water Valve

 

 

 

YELLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

BLUE

BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

BLUE

YELLOW

BROWN

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal Fuse

Thermal Fuse

 

 

 

 

 

Flame

 

 

 

J6

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J5

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3

 

RED

 

 

Water Flow Sensor

 

 

 

 

 

Programing

 

 

 

 

 

 

 

 

 

 

 

 

 

J2

 

 

1

RED

 

 

1

6

Water Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

2

7

Water Flow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blower

 

 

 

 

Power Transformer

 

 

 

 

3

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

4

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J4

 

 

 

 

 

YELLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

BLUE

 

 

 

5

10

 

 

 

MCU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XFMR Sec

2

BLUE

 

 

 

 

 

 

 

 

 

(Micro Controller)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J15

 

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

J8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

Thermistors

 

 

 

 

 

 

 

 

 

 

 

J12

 

 

 

Auxiliary Out/Igniter

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J16

 

J7

BLACK

 

 

1

4

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

2

5

Thermistors

 

 

 

J11

 

 

 

Gas Valves / ECO

 

 

 

 

 

XFMR Pr

Power 120Vac

 

 

 

 

Inlet

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

6

 

 

 

 

High Temp SW

 

 

 

 

 

 

 

 

 

4

 

 

(Transformer)

3

2

1

120 Vac

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

www.hotwater.com

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J13

 

 

 

 

 

 

 

BLACK

FIGURE34

 

RED

 

 

 

J10

 

SW1

 

 

 

 

 

7

8

 

9

 

3

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump

 

 

 

 

 

GREEN

 

BLACK

BLACK

 

BLUE

 

1

2

BLACK

YELLOW

GREY

BLUE BROWN

BLUE

BLACK

WHITE

WHITE

YELLOW

YELLOW

 

 

 

 

 

BLUE

 

 

GREY

GREY

ORANGE

ORANGE

 

 

 

 

 

Outlet

RED

 

 

J9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS 485

UIM

 

Setting

 

 

 

 

 

4

5

 

6

 

2

 

 

 

 

 

 

 

 

GREEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

2

Fuse

 

 

 

 

 

 

1

 

2

 

 

 

 

 

 

 

 

 

 

 

 

1

 

1

 

 

1

F1

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

1

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

5

6

 

 

 

 

 

 

 

 

 

 

 

M

 

 

Igniter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ECO

 

GREEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main

 

1st

2nd

Prop

 

 

 

 

 

 

 

 

 

 

 

 

 

WIRING DIAGRAM

 

 

 

 

 

 

Gas Valves

BLACK

 

 

 

 

 

CAUTION: LABEL ALL WIRES PRIOR TO

 

4

5

6

GREY

 

DISCONNECTION WHEN SERVICING

 

 

 

 

HTS

 

 

 

 

 

CONTROLS. WIRING ERRORS CAN

Tank Thermistor

1

2

3

 

 

GREY

 

CAUSE IMPROPER AND DANGEROUS

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

OPERATION. VERIFY PROPER OPERATION

 

 

 

 

 

AFTER SERVICING.

BLUE

BLUE

 

 

 

 

 

 

 

 

 

On/Off

UIM

 

 

Up

 

 

 

 

 

 

 

 

Normal

 

 

 

Celsius

 

 

 

 

 

Farenheit

 

 

 

 

 

 

 

 

Economy

 

 

 

 

 

 

Boost

 

 

 

Lockout

 

 

Mode

 

 

 

Down

 

 

Flame

 

!

 

 

 

 

 

 

 

 

 

 

Obey local codes and electric utility requirements when you install or service the water heater.

This appliance must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Code ANSI/NFPA No 70 (current edition) and/or the CSA C22.1 electrical Code (current edition).

35

Image 35
Contents HYBRID GAS WATER HEATERS For Your SafetyPOWER VENT GAS MODELS Installation and Operating ManualIMPORTANT INFORMATION TABLE OF CONTENTSIMPORTANT DEFINITIONS SAFE INSTALLATION, USE AND SERVICEGENERAL SAFETY DANGER INTRODUCTION Page GET TO KNOW YOUR WATER HEATER - GAS MODELS REPLACEMENT PARTS AND DELIMING PRODUCTSROUGH IN DIMENSIONS INSTALLATION CONSIDERATIONSINSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS Water Potable Heating All models are considered WATER PIPING - MIXING VALVE USAGEFACTS TO CONSIDER ABOUT LOCATION HANDLE INSTALLATION Access To EARTHQUAKE ZONESTop Casing Front ScrewsAPPLIANCES IN CONFINED SPACES COMBUSTION AIR AND VENTILATIONAPPLIANCES IN UNCONFINED SPACES B. ALL AIR FROM OUTDOORS See Figures 12, 13 and THERMAL EXPANSION CHEMICAL VAPOR CORROSIONWATER PIPING CLOSED WATER SYSTEMSTEMPERATURE-PRESSURE RELIEF VALVE HARD WATERT&P Valve and Pipe Insulation if supplied SEDIMENT TRAPS GAS PIPINGFILLING THE WATER HEATER HIGH ALTITUDE INSTALLATIONSGAS LINE PURGING FLOODING/FREEZINGPLANNING THE VENT SYSTEM If using 2 inch vent pipeVENT PIPE TERMINATION ELBOW STRAP If using 3 inch vent pipeRODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINE TERMINATION ELBOWCONDENSATION WARNING INSTALLATION OF VENT SYSTEMVENT TERMINAL INSTALLATION, SIDEWALL CONDENSATEVent terminals supplied with heater must be used SEQUENCE OF INSTALLATIONSINSTALLATION SEQUENCE INSTALLATION OF VERTICAL VENT SYSTEM INSTALLATION OF VENT SYSTEM, SIDEWALLVENT PIPE PREPARATION STEP B RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONSSTEP A STEP G CONNECTION TO VENT PIPE U.S. POWER VENTSTEP E STEP FVENT HOODS MAY BE EXTREMELY HOT DURING OPERATION “OFF”, “up” ELECTRICAL CONNECTIONSCALIBRATION FIGURE 33aDISPLAY PANEL OPERATING INSTRUCTIONSNumeric Display CAUSE IMPROPER AND DANGEROUS CAUTION LABEL ALL WIRES PRIOR TODISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CANTO TURN OFF GAS TO APPLIANCE LIGHTING INSTRUCTIONSFOR YOUR SAFETY READ BEFORE LIGHTING OPERATING INSTRUCTIONSDESCRIPTION HEAT CYCLE DEFINITIONSSTATE TEMPERATURE REGULATION Temperature Probes UNIQUE HYBRID FEATURESWater Circulation Pump Line Voltage Monitor OPERATIONAL CONDITIONS CONSTANT OUTPUT TEMPERATURE CONTROLDetection of Failure to Maintain Desired Constant Temperature START UP CONDITIONSBURNER OPERATION AND INSPECTION MAINTENANCEHOUSEKEEPING VENTING SYSTEM INSPECTIONMOTORS ANODE ROD REPLACEMENTCLEANING THE INLET WATER FILTER TEMPERATURE-PRESSURE RELIEF VALVE OPERATIONFLUSHING THE HEAT EXCHANGER LIME BUILD- UP CLEANING THE HEAT ENGINEDRAINING THE TANK FAULT INDICATION AND ERROR CODESDisplayed DIAGNOSTIC DISPLAYDiagnostic Code andRemedy FaultLockout CauseDescription FaultLockout CodeDescription 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 codeLEAKAGE CHECKPOINTS SERVICEA Baffle, Flue B Hot Water Outlet Nipple w/ Anode, Heat Trap PARTS IDENTIFICATIONITEM # AB C DEF G T SH R I Q P KIT # REPLACEMENT PARTS DESCRIPTIONCONDITIONS 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