Bradford-White Corp TG-237E-N(X)A, TG-150E-N(X) Recommended Piping for a Basic Installation

Page 20

Figure 6. Recommended Piping for a Basic Installation.

20

Image 20

Contents TG-150E-NX, TG-180E-NX, TG-199E-NX, TG237E-NX & TG-237E-NXA Table of Contents Page Page If YOU Smell GAS Section II Specifications ModelDimensions TG-150E TG-180E TG-199E Section III Installation Instructions Unpacking Water Heater LocationRemove Carton Mount Water Heater on the WallState Regulations Important In the State of Massachusetts 248CMR 4.00Installation Clearances Description Canadian Installations Inside Corner High Altitude Installations Instructions for Connections Section IV Water Connections Water 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 GAS Connections GAS Meter Size Natural GAS only GAS Pressure RegulationGas 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 Temperature Display Use Indicator Installation of ControlsInitial Operation and Testing of Controls Installer only Illustration Showing Where to Connect Remote Control HarnessResistance Connector Pin Nos Troubleshooting ElectricalWire Color Heat Exchanger and Outgoing Water Temperature Thermistors Flame RodFrost Protection Amp FusesSequence of Operation Section VII Operating InstructionsGeneral Instructions To Fill the Water Heater Lighting Instructions For Your Safety Read Before Operating Property damage, personal injury or loss of lifeWhat to do if YOU Smell GAS Operation InstructionsTemperature Adjustment Turning OFF the Water Heater for AN Extended Period of TimeTemperature Display Use Indicator First AID for Scalds Approximate TIME/TEMPERATURE Relationships in ScaldsScalding Diagnostic Codes on the Temperature Control Display Code Code DescriptionCode Section Viii Maintenance Burner Flame AppearancePage Circulating Pump Water HeaterPage 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 What will we do to correct problems? How do you get warranty assistance?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