Bradford White RG1D30T*(N,X) Service Manual
  1. Manuals
  2. Brands
  3. Bradford White Manuals
  4. Water Heater
  5. RG1D30T*(N,X)
  6. Service manual

Bradford White RG1D30T*(N,X) Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Manual 238 51637 00A 10/15
Residential D Series
Gas Water Heaters
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
RG1D30T*(N,X)
RG1D40S*(N,X)
RG1D40T*(N,X)
RG1D50T*(N,X)
RG2D40S*(N,X)
RG2D50S*(N,X)
(*) Denotes Warranty Years
Save this manual for future reference

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RG1D30T*(N,X) and is the answer not in the manual?

Questions and answers

Related Manuals for Bradford White RG1D30T*(N,X)

Summary of Contents for Bradford White RG1D30T*(N,X)

  • Page 1 Residential D Series Gas Water Heaters SERVICE MANUAL Troubleshooting Guide and Instructions for Service (To be performed ONLY by qualified service providers) Models Covered by This Manual: RG1D30T*(N,X) RG1D40S*(N,X) RG1D40T*(N,X) RG1D50T*(N,X) RG2D40S*(N,X) RG2D50S*(N,X) (*) Denotes Warranty Years Manual 238 51637 00A 10/15 Save this manual for future reference...

  • Page 2: Table Of Contents

    The Bradford White Residential D Series Gas Water Heaters Table of Contents Page D Service Procedure Introduction ..........................4 How to Use This Manual ......................5 Tools Required for Service ....................... 5 Specifications ..........................6 Control Timings ......................... 7 Sequence of Operation ......................8 Troubleshooting .........................
  • Page 3 Res. D Series WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, DANGER personal injury, or death. Do not store or use gasoline or other flammable, combustible, or corrosive vapors and liquids in the vicinity of this or any other appliance.

  • Page 4: Introduction

    Res. D Series Introduction The new Bradford White Residential Flue Damper water heaters are designed to provide reliable performance with enhanced standard features. New design features include reliable spark-to-pilot ignition system, enhanced diagnostics, simplified servicing, significantly quiet operation, and the Bradford White Defender Safety System.

  • Page 5: Tools Required For Service

    It is intended for this manual to be used by qualified service personnel for the primary purpose of troubleshooting and repair of the Bradford White D Series water heaters. Understanding the sequence of operation section of this manual will contribute greatly to troubleshooting the water heater.
  • Page 6 Res. D Series Power supply Dedicated 115 VAC, 60 Hz, 15A Gas Supply Pipe Minimum 1/2” NPT (schedule 40 black iron pipe recommended) Approved Gas Natural Gas or Propane, unit must match gas type supplied Type 5.0” w.c. min. for Natural Gas, 11.0” w.c. min. for Propane, 14.0” w.c. maximum Gas Pressure (Natural Gas &...

  • Page 7: Control Timings

    Res. D Series Control Timings Ignition State Timing Adjust Damper Position and Verify (Open 15 Seconds Position) Trial for Ignition 90 Seconds Flame Stabilization Period 3 Seconds Re-adjust Damper Position and Verify 15 Seconds Flame Failure Response Time 1.5 Seconds (2 second maximum; 1 second minimum.) Adjust Damper Position and Verify (Closed 15 Seconds Position)

  • Page 8: Power Up Sequence

    Res. D Series Power Up Sequence 1. Start Up. Upon power up, the control runs a safe-start check with a typical start-up delay of 5 seconds. 2. Flammable Vapor. The gas control verifies that the Flammable Vapor Sensor is in the proper operating range prior to energizing any components.
  • Page 9 Res. D Series Normal Heating Sequence (cont.) 7. Steady state operation. During steady state operation, the control monitors: Thermostat temperature sensor-when set point temperature is satisfied, gas valve is shut down and damper is powered closed. The gas control LED flashes a short flash once every 4 seconds (idle) status code.
  • Page 10 Res. D Series Abnormal Operation (cont.) times, then 3 times twice with 3 second pauses. The status self clears if the fault clears for at least 15 seconds. c. Water temperature in excess of ECO (energy cut off) limit -The gas control immediately turns off pilot &...

  • Page 11: Troubleshooting

    Res. D Series Observe green LED indicator on electronic gas control. Status flash codes are displayed with a three second pause before repeating. Check and repair the system as noted in the troubleshooting table below. Service Procedure LED Status Control Status Probable Cause None, control No electrical...
  • Page 12 Res. D Series Service Procedure LED Status Control Status Probable Cause 1. See Burner Inspection on page 1. Unstable pilot. Failed to light Six-one 2. Pilot tube blocked or restricted. flash, three pilot. 2. See Pilot Inspection, 3. Oxidation build up on pilot electrode. second System auto Testing and...

  • Page 13: Burner Inspection, Cleaning & Replacement

    Res. D Series Burner Inspection At periodic intervals (every 6 months) a visual inspection should be made of the pilot and main burner for proper operation and to assure no debris is accumulating. Pilot flame should be stable, some causes for an unstable pilot flame are: a) Water heater vent is less than the allowable vent length.

  • Page 14: Burner Cleaning

    Res. D Series Burner Cleaning Step 1. Position gas control power switch to the “OFF” position and unplug heater from wall outlet. Step 2. Turn off gas supply to water heater. Step 3. Remove outer jacket door and inner door per service procedure IX on page 25.

  • Page 15: Pilot Testing, Cleaning & Replacement

    Res. D Series Pilot Inspection, Testing and Replacement Step 1. Position gas control power switch to the “OFF” position and unplug heater from wall outlet. Step 2. Turn off gas supply to water heater. Step 3. Remove outer jacket door and inner door per service procedure IX on page 25.

  • Page 16: Damper Removal & Installation

    Res. D Series Damper Removal & Installation Step 1. Position the power switch on the gas control to the “OFF” position and unplug the water heater from the wall outlet. Step 2. Disconnect the vent system from the draft hood that is mounted on top of the damper Step 3.

  • Page 17: Gas Control Testing & Replacement

    Res. D Series Line Pressure The gas control is designed for a maximum line pressure of 14.0” W.C. and a minimum line pressure of 1.0” W.C. over the water heater’s rated manifold pressure (check rating plate). Line pressure must be checked with the main burner on and off to assure proper readings.

  • Page 18: Determine Water Temperature Inside Tank

    Res. D Series ECO (Energy Cut Out) The Honeywell gas control is designed with an ECO device that will reset. To reset the gas control after a status code (4), turn the gas control knob to the “OFF” position and wait a minimum of (5) minutes before relighting following the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.
  • Page 19 Res. D Series Gas Control Removal From Water Heater Step 1. Position the gas control power switch to the “OFF” position and unplug heater from wall outlet. Step 2. Drain the heater to a point below the gas control level. Step 3.

  • Page 20: Flammable Vapor Device Testing And Replacement

    Res. D Series Flammable Vapor Sensor Testing Step 1. Position power switch on gas control to the “OFF” position. Step 2. Disconnect flammable vapor sensor from gas control. Step 3. Using a multi-meter set to the ohms setting, check resistance of flammable vapor sensor.

  • Page 21: Diptube Inspection & Replacement

    Res. D Series Diptube Inspection & Replacement WARNING Water Heater components and stored water may be HOT when performing the following steps in this procedure. Take necessary precaution to prevent personal injury. Step 1. Position the on/off switch of the gas control valve to the “OFF” position and unplug the water heater from the wall outlet.

  • Page 22: Anode Inspection & Replacement

    Res. D Series Anode Inspection & Replacement WARNING Water Heater components and stored water may be HOT when performing the following steps in this procedure. Take necessary precaution to prevent personal injury. Position the on/off switch of the gas control valve to the “OFF” position and Step 1.

  • Page 23: Flue Baffle Inspection & Replacement

    Res. D Series Flue Baffle Inspection and Replacement Step 1. Position the on/off switch of the gas control valve to the “OFF” position and unplug the water heater from the wall outlet. Step 2. Disconnect the vent system from the draft hood that is mounted on top of the damper.
  • Page 24 Res. D Series Flue Baffle Inspection and Replacement (cont.) Step 6. Carefully remove the damper from the top of the water heater. Step 7. Remove the flue baffle from the water heater. Step 8. Inspect the baffle for deterioration and missing restrictors.

  • Page 25: Inner Door Removal, Inspection & Replacement

    Res. D Series Inner Door Removal Procedure Step 1. Position gas control power switch to the “OFF” position. Step 2. Remove outer jacket burner access door. Step 3. Remove (2) ¼” hex drive screws from right side inner door. Step 4. Remove (2) ¼”...
  • Page 26 Res. D Series Step 9. Use RTV sealant (recommended bead size 1/8”) to secure the inner door gasket to the inner door sections (right & left). Refer to illustration below for proper application. Note the overlap configuration in the flange area of the inner door. Set the flange section first, this will help to achieve the proper overlap position.
  • Page 27 Res. D Series Installation of Inner Door With Gasket (cont.) Step 13. Firmly place right side inner door flange against the left side inner door flange and secure with (2) ¼” hex drive screws from step 4. DO NOT OVER TIGHTEN SCREWS.

  • Page 28: 115 Vac Circuit Trace

    Res. D Series 115 VAC Circuit Trace Step 1. Verify 115 VAC and proper WARNING polarity at wall outlet. 115 volt potential exposure. Use Step 2. With unit plugged in and caution to avoid personal injury. control power switch in the “ON”...

  • Page 29: Damper Relay Installation

    Res. D Series Damper Relay Installation If the damper fails and the water heater operation is necessary temporarily, a relay, p/n 233-47642-00, and harness, p/n 239-51714-00, can be ordered from the Bradford White Service Parts Department. Position the gas control power switch to Step 1.
  • Page 30 Res. D Series Damper Relay Installation (cont.) Remove the Red wire Step 8. in the damper housing from its location. Connect the ¼” Red female connector on the relay harness in its place Remove the Yellow wire in Step 9. the damper housing from its location.
  • Page 31 Res. D Series Damper Relay Installation (cont.) Secure the damper housing cover in place using the screws from step 5. Step 15. Re-install the draft hood from Step 3. Step 16. Reconnect the vent system to the draft hood. Step 17. Reconnect the cord sets from step 4.

  • Page 32: Resettable Thermal Switch, Inspection & Replacement

    Res. D Series Resettable Thermal Switch Continuity Testing Move the gas control power switch to the Step 1. “OFF” position and unplug the water heater from the wall outlet. Remove the outer jacket door. Step 2. Disconnect the wire leads from the resettable Step 3.
  • Page 33 Res. D Series Resettable Thermal Switch Replacement Move the gas control power switch to Step 1. the “OFF” position and unplug the water heater from the wall outlet. Remove the outer jacket door. Step 2. Disconnect wire leads from the Step 3.

  • Page 34: Screenlok ® Flame Arrestor Cleaning

    Res. D Series ® ScreenLok Flame Arrestor Cleaning Step 1. Position Gas Control power switch to the “OFF” position. Step 2. Remove outer door. Step 3. Remove outer jacket door and inner door per service procedure IX on page 25. Step 4.

  • Page 35: Glossary Of Terms

    Res. D Series Glossary of Terms British Thermal Units Gallons per Minute Hertz Kilowatt hour Light Emitting Diode National Pipe Thread Ohms Ohms of resistance Pounds per Square Inch Revolutions per minute Energy Cut Out Volts Alternating Current “ w.c. Inches of Water Column ºC Degrees Centigrade...
  • Page 36 Res. D Series 1. Draft Diverter 9. Temp. and Pressure 14. Left side inner door 22. Pilot ass’y 2. Damper relief valve ass’y 23. Feedline 3. Heat Trap Outlet 10. Brass Drain Valve 15. FV sensor clip 24. Inner door gasket kit 4.

This manual is also suitable for:

Rg1d40s*(n,x)Rg1d40t*(n,x)Rg1d50t*(n,x)Rg2d40s*(n,x)Rg2d50s*(n,x)

Table of Contents