Bradford-White Corp TGHE-160I-N(X), TGHE-1991-N(X) instruction manual

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WARNING

Do not adjust this water heater in any residential application above 120ºF. If this water heater is used in a commercial application where temperatures in excess of 120ºF are required, use an ASSE approved mixing device.

WARNING

This water heater is equipped with an energy cut out device to prevent overheating. Should overheating occur or the gas supply fails to shut off, turn off the manual gas control valve to the water heater, and call a qualified service agency.

NOTICE

The lower the temperature setting, the greater the energy efficiency to heat the water. Lower water temperatures also extend the heat exchanger life. Remember, no water heating system will provide exact temperatures at all times. Allow a few days of operation at this setting to determine the correct temperature setting consistent with the requirements for the installation.

When multiple controls are used, depressing the Priority Button will override the main control and display the setpoint of the remote control in use. Both the remote controls and the main control will display diagnostic codes in the event the water heater needs service.

NOTICE

No more than four temperature controls may be connected to the EverHot® water heater.

NOTICE

The default temperature setting that will appear when the water heater is first connected to the electrical supply is 104ºF. In the event of a power interruption, the unit will retain its set temperature for up to 6 hours. If the power is interrupted for more than 6 hours, the unit will revert back to a temperature of 104°F.

Before installing optional remote controls, determine the most convenient locations(s). When deciding on the best location for the remote controls, please consider the following items:

1.Place the controls out of reach of small children.

2.Avoid locations where the control(s) will become hot, such as over a radiator, register, or other heat sources.

3.Avoid direct sunlight. The digital readout can be difficult to read in direct sunlight.

4.Avoid areas where the remote can be splashed with cooking water, oil, or sauce.

5.The remote control operates with low voltage.

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Contents TGHE-160I-NX & TGHE-199I-NX Table of Contents Page Page If YOU Smell GAS Section II Specifications ModelDimensions Pressure Drop psi Water Flow Rate gpm Section III Installation Instructions Remove Carton UnpackingWater Heater Location Mount Water Heater on the Wall State Regulations Important In the State of Massachusetts 248CMR 4.00Instructions for Connections Section IV Water ConnectionsWater Quality Page Approximate TIME/TEMPERATURE Relationships in Scalds Recommended Piping for a Basic Installation Recommended Piping for a Circulation Systems Recommended Piping for Power Failure Freeze Protection Recommended Piping for Freeze ProtectionPressure Relief Valve Page Page Section V Venting Venting Vent / Air Intake Terminal Locations Direct Vent Terminal LocationVenting System Installation Venting System LayoutPrior to the Installation of the EverHot Direct Vent System Horizontal Direct Vent InstallationsIllustration Showing a Horizontal Termination Installation Vertical Direct Vent Installations Vertical Vent InstallationsCombustion Blower Dip Switch Settings Dip SwitchInstallation of Venting System Components Condensate Recommended Vent/Air Intake Terminal PositionJoint Connection Coping with CondensationIllustration Showing How to Shorten Vent Extensions Shortening of Vent ExtensionsVenting Parts & Dimensions Components Needed for Direct Vent ApplicationsVent Pipe Clamp, p/n Page Measure Dimension to Fit Illustration Showing How to Properly Cut a Vent ExtensionFinal Installation of the Vent System Illustration Showing How to Cut the Vertical Vent to Fit Cut the Vent to FitHigh Altitude Installations Mounting the Vent System Vertical DischargePage Venting Suppliers Manufacturer ProductSection VI GAS Connections Gas GAS Meter Size Natural GAS onlyGAS Pressure Regulation Specific CorrectionInitial Operation and Testing Installer only Section VII Electrical Connections Ladder Diagram Wiring Diagram for Tghe Models Temperature Controls Page Securing screw Wiring hole 21/32 Installation of Remote Controls OptionalIllustration Showing Where to Connect Remote Control Harness Resistance Connector Pin Nos Initial Operation and Testing of Controls Installer onlyTroubleshooting Electrical Wire ColorHeat Exchanger and Outgoing Water Temperature Thermistors Flame RodFrost Protection Amp FusesSequence of Operation Section Viii Operating InstructionsGeneral Instructions To Fill the Water Heater What to do if YOU Smell GAS Lighting Instructions For Your Safety Read Before OperatingProperty damage, personal injury or loss of life Operation InstructionsTemperature Adjustment Turning OFF the Water Heater for AN Extended Period of TimePage Approximate TIME/TEMPERATURE Relationships in Scalds ScaldingFirst AID for Scalds Code Code DescriptionCode Code Description Thermal Fuse Code Code Description Nothing happens Section IX Maintenance Burner Flame AppearancePage Circulating Pump Water HeaterPage Section X Parts List TGHE-160I TGHE-199I Description QuantityPage TGHE-160I TGHE-199I Page TGHE-160I TGHE-199I Page TGHE-160I TGHE-199I Section XI Warranty What should you do to keep the warranty in effect? What will we do to correct problems?How do you get warranty assistance? What will we not do?Page Page Fax/215-641-1670 Parts Fax/215-641-2180