A.O. Smith HYB-90N warranty Operating Instructions, Display Panel

Page 33
OPERATING INSTRUCTIONS

OPERATING INSTRUCTIONS

DISPLAY PANEL

STANDBY LED

TEMPERATURE

 

(GREEN)

UNITS-OF-MEASURE

STANDBY-ON/OFF

NUMERIC

UP (HOTTER)

BUTTON

DISPLAY

BUTTON

MODE

 

BUTTON

 

 

 

 

KEY LOCK

 

 

 

 

 

 

 

 

BURNER IN

 

 

 

MODE LEDs

 

(3)

OPERATION

 

 

 

 

 

 

 

DOWN (COLDER)

 

 

 

 

 

FAULT INDICATOR

BUTTON

FIGURE 33

Changing the Standby Status

When the Standby Button is pressed, the Status changes to normal operation and all the LEDs on the display will light up for a period of 1 second to verify operation. The button can toggle the status between Normal operation and Standby.

Key Lock

NOTE: This is a tamper resistant feature.

The Key Lock is considered “On” or “Off”:

Key Lock is turned “On” after one minute without a key press by the user.

Key Lock can then be turned “Off” for one minute by simultaneously pressing the “Up” Button and the “Down” Button for three seconds.

When the keys are locked, the Temperature Set-point cannot be increased and the Operating Mode cannot be changed. The set-point may be decreased while the keys are locked.

The On/Off Button is not affected by the Key Lock feature. All other buttons are “locked” when the Key Lock is “On”.

The “Key Lock” icon will be displayed if the water heater is either in the lock or unlock condition. The Icon is composed of 3 components, the base, a locked and an unlocked arc.

Operating Modes

Operating modes are:

Boost (for peak demand), Energy Saver and Vacation. Three LEDs are used to indicate the Operating Mode.

Vacation Mode:

Yellow LED

Energy Saver Mode:

Green LED

Boost Mode:

Orange LED

The Operating Modes have the following characteristics: Vacation mode:

Fixed temperature setting of 90°F (32°C)

Set-point Difference is 14°F (8°C)

Tank Set-point Differential is 22°F (12°C)

Energy Saver mode:

Temperature range from 100°F to 135°F (38°C to 57°C) in increments of 1°F or 1°C

Set-point Difference is 14°F (8°C)

Tank Set-point Differential is 14°F (8°C)

Boost mode:

Temperature ranges from 140°F to 158°F (60°C to 70°C) in increments of 1°F or 1°C

Set-point Difference is 14°F (8°C)

Tank Set-point Differential is 9°F (5°C)

Switching between operating modes is done by pressing the “Mode” Button when the Key Lock is “Off”. When a mode is active, the corresponding LED is turned on. Pressing the “Mode” button will cycle between the three possible modes of operation.

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Contents POWER VENT GAS MODELS For Your SafetyInstallation and Operating Manual HYBRID GAS WATER HEATERSIMPORTANT 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 ScrewsCOMBUSTION AIR AND VENTILATION APPLIANCES IN UNCONFINED SPACESAPPLIANCES IN CONFINED SPACES B. ALL AIR FROM OUTDOORS See Figures 12, 13 and WATER PIPING CHEMICAL VAPOR CORROSIONCLOSED WATER SYSTEMS THERMAL EXPANSIONTEMPERATURE-PRESSURE RELIEF VALVE HARD WATERT&P Valve and Pipe Insulation if supplied SEDIMENT TRAPS GAS PIPINGGAS LINE PURGING HIGH ALTITUDE INSTALLATIONSFLOODING/FREEZING FILLING THE WATER HEATERIf using 2 inch vent pipe VENT PIPE TERMINATIONPLANNING THE VENT SYSTEM RODENT SCREEN INSTALL INTO ELBOW GROUND LEVEL OR MAXIMUM SNOW LINE If using 3 inch vent pipeTERMINATION ELBOW ELBOW STRAPVENT TERMINAL INSTALLATION, SIDEWALL INSTALLATION OF VENT SYSTEMCONDENSATE CONDENSATION WARNINGSEQUENCE OF INSTALLATIONS INSTALLATION SEQUENCEVent terminals supplied with heater must be used INSTALLATION OF VERTICAL VENT SYSTEM INSTALLATION OF VENT SYSTEM, SIDEWALLVENT PIPE PREPARATION RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONS STEP ASTEP B STEP E U.S. POWER VENTSTEP F STEP G CONNECTION TO VENT PIPEVENT HOODS MAY BE EXTREMELY HOT DURING OPERATION CALIBRATION ELECTRICAL CONNECTIONSFIGURE 33a “OFF”, “up”DISPLAY PANEL OPERATING INSTRUCTIONSNumeric Display DISCONNECTION WHEN SERVICING CAUTION LABEL ALL WIRES PRIOR TOCONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUSFOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONSOPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCEHEAT CYCLE DEFINITIONS STATEDESCRIPTION TEMPERATURE REGULATION Temperature Probes UNIQUE HYBRID FEATURESWater Circulation Pump Line Voltage Monitor Detection of Failure to Maintain Desired Constant Temperature CONSTANT OUTPUT TEMPERATURE CONTROLSTART UP CONDITIONS OPERATIONAL CONDITIONSHOUSEKEEPING MAINTENANCEVENTING SYSTEM INSPECTION BURNER OPERATION AND INSPECTIONCLEANING THE INLET WATER FILTER ANODE ROD REPLACEMENTTEMPERATURE-PRESSURE RELIEF VALVE OPERATION MOTORSFLUSHING THE HEAT EXCHANGER LIME BUILD- UP CLEANING THE HEAT ENGINEDRAINING THE TANK FAULT INDICATION AND ERROR CODESDiagnostic DIAGNOSTIC DISPLAYCode and DisplayedLockout FaultCause RemedyLockout FaultCode DescriptionLockout 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 aLEAKAGE CHECKPOINTS SERVICEPARTS IDENTIFICATION ITEM #A Baffle, Flue B Hot Water Outlet Nipple w/ Anode, Heat Trap AB C DEF G T SH R I Q P KIT # REPLACEMENT PARTS DESCRIPTIONSERVICE 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