Bradford-White Corp TG-150E-N(X), TG-237E-N(X)A, TG237E-N(X), TG-180E-N(X) instruction manual

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Bradford White EverHot® Tankless Gas Water Heater

For Exterior Installation

TG-150E-N(X), TG-180E-N(X), TG-199E-N(X), TG237E-N(X) & TG-237E-N(X)A

Ambler, PA 19002

Tech. Service (800) 334-3393

Service Part (800) 538-2020

Warranty Service (800) 531-2111

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

Do not store or use gasoline or other

flammable vapors and liquids in the vicinity of this or any other appliance

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency, or gas supplier.

INSTALLATION AND OPERATION INSTRUCTION MANUAL

With Troubleshooting Guide

PLACE THESE INSTRUCTIONS ADJACENT TO WATER HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE

A Spanish language version of these instructions is available by contacting Bradford White.

La versión espãnola de estas instrucciones se puede obtener al escribirle a la fábrica cuyo nombre aparece en la placa de.

238-48025-00D 07/11

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Contents TG-150E-NX, TG-180E-NX, TG-199E-NX, TG237E-NX & TG-237E-NXA Table of Contents Page Page If YOU Smell GAS Model Section II SpecificationsDimensions TG-150E TG-180E TG-199E Section III Installation Instructions Water Heater Location UnpackingMount Water Heater on the Wall Remove CartonImportant In the State of Massachusetts 248CMR 4.00 State RegulationsInstallation Clearances Description Canadian Installations Inside Corner High Altitude Installations Water Quality Section IV Water ConnectionsInstructions for Connections 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 GAS Connections GAS Pressure Regulation GAS Meter Size Natural GAS onlyGas Specific CorrectionInitial Operation and Testing Installer only Section VI Electrical Connections CPU Page Wiring Diagram for TG-237E-NXand TG-237E-NXAModels Temperature Controls Page Installation of Controls Temperature Display Use IndicatorIllustration Showing Where to Connect Remote Control Harness Initial Operation and Testing of Controls Installer onlyWire Color Troubleshooting ElectricalResistance Connector Pin Nos Flame Rod Heat Exchanger and Outgoing Water Temperature ThermistorsAmp Fuses Frost ProtectionGeneral Instructions To Fill the Water Heater Section VII Operating InstructionsSequence of Operation Property damage, personal injury or loss of life Lighting Instructions For Your Safety Read Before OperatingWhat to do if YOU Smell GAS Operation InstructionsTurning OFF the Water Heater for AN Extended Period of Time Temperature AdjustmentTemperature Display Use Indicator Scalding Approximate TIME/TEMPERATURE Relationships in ScaldsFirst AID for Scalds Code Code Description Diagnostic Codes on the Temperature Control DisplayCode Burner Flame Appearance Section Viii MaintenancePage Water Heater Circulating PumpPage Section IX Parts List Description Quantity Page Description Quantity Page Description Quantity Page Description Quantity TG-237E Models TG-237E-N TG-237E-X TG-237E-NA TG-237E-XA Page Description Quantity Page Description Quantity Page Description Quantity Section X Warranty How do you get warranty assistance? What will we do to correct problems?What should you do to keep the warranty in effect? What will we not do?Page Page Page Fax/215-641-1670 Parts Fax/215-641-2180