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

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TWIN

THERMISTOR

WATER

LEVELWATER LEVEL

DETECTING ELECTRODE

CIRCUIT

Figure 34. Ladder Diagram.

WARNING

DO NOT adjust any dipswitch settings on PC board except dip switch number 1, if required, for vent length or unless instructed to do so.

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Image 47

Contents TGHE-160I-NX & TGHE-199I-NX Table of Contents Page Page If YOU Smell GAS Model Section II SpecificationsDimensions Pressure Drop psi Water Flow Rate gpm Section III Installation Instructions Remove Carton UnpackingWater Heater Location Mount Water Heater on the Wall Important In the State of Massachusetts 248CMR 4.00 State RegulationsInstructions 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 Freeze Protection Recommended Piping for Power Failure Freeze ProtectionPressure Relief Valve Page Page Section V Venting Venting Direct Vent Terminal Location Vent / Air Intake Terminal LocationsVenting System Layout Venting System InstallationHorizontal Direct Vent Installations Prior to the Installation of the EverHot Direct Vent SystemIllustration Showing a Horizontal Termination Installation Vertical Vent Installations Vertical Direct Vent InstallationsDip Switch Combustion Blower Dip Switch SettingsInstallation of Venting System Components Recommended Vent/Air Intake Terminal Position CondensateCoping with Condensation Joint ConnectionShortening of Vent Extensions Illustration Showing How to Shorten Vent ExtensionsComponents Needed for Direct Vent Applications Venting Parts & DimensionsVent Pipe Clamp, p/n Page Illustration Showing How to Properly Cut a Vent Extension Measure Dimension to FitFinal Installation of the Vent System Cut the Vent to Fit Illustration Showing How to Cut the Vertical Vent to FitMounting the Vent System Vertical Discharge High Altitude InstallationsPage Manufacturer Product Venting SuppliersSection VI GAS Connections Specific Correction GAS Meter Size Natural GAS onlyGAS Pressure Regulation GasInitial Operation and Testing Installer only Section VII Electrical Connections Ladder Diagram Wiring Diagram for Tghe Models Temperature Controls Page Installation of Remote Controls Optional Securing screw Wiring hole 21/32Illustration Showing Where to Connect Remote Control Harness Wire Color Initial Operation and Testing of Controls Installer onlyTroubleshooting Electrical Resistance Connector Pin NosFlame Rod Heat Exchanger and Outgoing Water Temperature ThermistorsAmp Fuses Frost ProtectionSequence of Operation Section Viii Operating InstructionsGeneral Instructions To Fill the Water Heater Operation Instructions Lighting Instructions For Your Safety Read Before OperatingProperty damage, personal injury or loss of life What to do if YOU Smell GASTurning OFF the Water Heater for AN Extended Period of Time Temperature AdjustmentPage Scalding Approximate TIME/TEMPERATURE Relationships in ScaldsCode Code Description First AID for ScaldsCode Code Description Thermal Fuse Code Code Description Nothing happens Burner Flame Appearance Section IX MaintenancePage Water Heater Circulating PumpPage Section X Parts List Description Quantity TGHE-160I TGHE-199IPage TGHE-160I TGHE-199I Page TGHE-160I TGHE-199I Page TGHE-160I TGHE-199I Section XI Warranty What will we not do? What will we do to correct problems?How do you get warranty assistance? What should you do to keep the warranty in effect?Page Page Fax/215-641-1670 Parts Fax/215-641-2180