Bradford White RG130T*X Series Service Manual Download Page 44

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Summary of Contents for RG130T*X Series

Page 1: ...alified service providers Models Covered by This Manual RG130T N X RG140T N X RG150T N X RG140S N X RG150L N X RG150S N X LG255H N X LG275H N X LG250H65 N X RG2100H N X Denotes Warranty Years RG230S N...

Page 2: ...mbly Inspection Cleaning and Replacement 18 RG III Piezo Igniter Electrode Testing and Replacement 19 RG IV White Rodgers Mechanical Gas Valve Testing and Replacement 20 RG V Electronic Gas Control Te...

Page 3: ...are heat producing appliances To avoid damage or injury do not store materials against the water heater or vent air intake system Use proper care to avoid unnecessary contact especially by children wi...

Page 4: ...s in the very bottom of the corrosion resistant combustion chamber The air then travels up through the oriented flame arrestor plate louvers where the velocity of the air is increased and its directio...

Page 5: ...ch channel locks open end wrenches 3 8 7 16 1 2 12 crescent wrench allen wrench set screw drivers common Phillips 1 4 nut driver pliers common needle nose socket set side cutters wire cutters wire str...

Page 6: ...mbination thermostat gas valve 7 Resettable thermal switch has opened 1 Check connection at combination thermostat gas valve Proper tightness should be finger tight a 1 4 turn 2 Inspect thermocouple t...

Page 7: ...oper operation 3 Check gas supply and line pressure 1 See Service Procedure RG VIII 2 See Service Procedure RG V Not enough hot water 1 Combination thermostat gas valve set too low for desired water t...

Page 8: ...ermostat is satisfied One flash every second Not an error Indicates main valve is open and main burner is lit Thermostat is calling for heat Water heater operating normally and is in heat cycle Solid...

Page 9: ...eady at the desired setting the water heater is satisfied 1 Gas control is powered and waiting for setpoint knob to be turned to a water temperature setting 2 Water heater is satisfied and operating n...

Page 10: ...second pause Temperature sensor fault 1 Damage to the temperature sensor resistance is out of range or sensor is unplugged 2 Faulty gas control 1 See Service Procedure VI 2 Replace gas control Six fla...

Page 11: ...ol will automatically shut main burner off when water temperature reaches the setpoint temperature Normal operation Two flashes and three second pause LED yellow Low thermopile voltage main valve not...

Page 12: ...OMMENDED PATTERN FOR RTV SEALANT ENLARGED VIEW OF FLANGE AREA PLACE FLANGE SECTIONS FIRST VIEW WITH GASKETS IN PLACE EXPANDED VIEW Fully inspect inner door gaskets for the following Step 4 Inner Door...

Page 13: ...drive screws from Step 3d secure left side inner door in place DO NOT OVER TIGHTEN SCREWS Position thermocouple pilot tube and piezo wire against left side inner door flange gasket DO NOT ROUTE THROUG...

Page 14: ...ustion opening Secure right side inner door using two 2 1 4 hex drive screws from Step 3b DO NOT OVER TIGHTEN SCREWS Verify both left and right sides of the inner door are properly positioned and seal...

Page 15: ...will not stay lit hold the pilot button located on the combination thermostat gas valve down during this test Using a multimeter capable of measuring millivolts connect one lead using an alligator cli...

Page 16: ...otate clockwise to the OFF position Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Remove the outer jacket door Remove the right side of inner door per Service Procedure RG I Steps 3a through 3c Dis...

Page 17: ...table thermal switch must be tested Refer to Service Process RG III If resettable thermal switch is closed replacement of pilot assembly is recommended following Service Procedure RG III Turn knob to...

Page 18: ...pilot assembly b Remove pilot tube and pilot orifice c Inspect pilot orifice for blockage must be cleaned or replaced Honeywell White Rodgers Electronic pilot orifice not replaceable replace pilot as...

Page 19: ...Hold the other end of the jumper by the wire insulation or using an insulated tool next to an unpainted surface such as the feedline or gas valve and depress the piezo igniter If there is a spark the...

Page 20: ...gas is 10 0 0 5 W C a If pressure is O K set gas valve to OFF remove manometer and pressure tap and replace pressure tap plug Check for gas leaks before placing water heater back in operation b If pre...

Page 21: ...valve Step 2 Using a multimeter capable of measuring ohms or continuity attach one lead using an alligator clip to the pilot tube Insert the other lead fully into the magnet opening be sure the lead...

Page 22: ...slightly and rotate clockwise to the OFF position Turn off water supply and drain the water heater completely Remove the outer jacket burner access door Right side inner door removal a Disconnect rese...

Page 23: ...t for the following Tears Missing material Cracks Dirt or debris Gasket adhesion to inner door Other imperfections that will inhibit proper seal Material left on combustion chamber If the gasket is no...

Page 24: ...mbustion chamber are aligned with the right side inner door slotted openings Verify seal integrity around the combustion opening Secure right side inner door using two 2 hex drive screws from Step 6b...

Page 25: ...to the OFF position Remove pressure tap plug 3 16 allen wrench and install 1 8 NPT pipe coupling and pressure tap Connect manometer to pressure tap Follow instructions located on the lighting instruct...

Page 26: ...o the OFF position Step 2 Turn off gas supply to the water heater Step 3 Disconnect the gas supply line from the gas control Step 4 Disconnect the piezo igniter wire Step 5 Remove the gas control cove...

Page 27: ...clip Disconnect temperature sensor Release lock tab HONEYWELL COVER REMOVAL cont Step 7 Disconnect the temperature sensor from the control board and remove the wire from the temperature sensor wire r...

Page 28: ...perature sensor wires HONEYWELL VALVE BODY REMOVAL AND TEMPERATURE SENSOR REMOVAL Step 1 Disconnect the burner and pilot tubes per Service Procedure RG II Step 2 Remove the valve body by removing the...

Page 29: ...by pulling apart as illustrated below Step 5 To reassemble the gas control follow the previous steps in reverse order Once the gas control is reassembled the burner assembly is reinstalled and the gas...

Page 30: ...rol knob to a desired setpoint Step 2 Observe green light indicator Does status code 4 four flashes three second pause appear a If no resume normal operation b If yes continue with Step 3 Step 3 Follo...

Page 31: ...sensor would be 8449 see shaded area NOTE Sensor resistance increases as the temperature decreases Sensor Resistance at Various Temperatures WARNING Stored water may be HOT when performing the follow...

Page 32: ...s damage to the gas control may occur If necessary use a length of 1 2 NPT pipe threaded into gas inlet of gas control _________________________________________________________________________________...

Page 33: ...ssing material Cracks Dirt or debris Gasket adhesion to inner door Material left on combustion chamber Other imperfections that will inhibit proper seal If the gasket is not affected by any of the abo...

Page 34: ...om Step 6b DO NOT OVER TIGHTEN SCREWS Verify both left and right sides of the inner door are properly positioned and sealed against the combustion chamber Step 10 Reconnect two 2 red wire leads from p...

Page 35: ...or assembly per Service Procedure RG I Steps 1 through 3c Disconnect the main burner feed line pilot tube and thermocouple thermopile from combination thermostat gas valve and remove burner assembly f...

Page 36: ...h and compressed air clean the burner plate and feedline then reassemble all components Inspect combustion chamber area of heater prior to reinstallation of burner assembly If cleaning is required ref...

Page 37: ...ending on model An open switch can be reset by depressing the red colored button located at the center of the switch The overheating condition must be determined prior to putting the heater back in se...

Page 38: ...e thermal switch in place Be sure contact surface of resettable thermal switch and inner door are free of any debris Secure resettable thermal switch into place using screws from Step 4 DO NOT OVER TI...

Page 39: ...d threads L P control uses left hand thread Clean ScreenLok Flame Arrestor using stiff brush and compressed air to remove any scale or other debris accumulation Using a soft brush clear jacket opening...

Page 40: ...Hydro jets located near the bottom of the dip tube should be open and free of any blockage Theanti siphon hole located approximately 6 in from the bottom of nipple should be free of any blockage Any d...

Page 41: ...ds Visually inspect outlet nipple anode Outlet nipple anode should show signs of depletion this is normal If depletion is 1 2 of the original anode diameter approximately 5 8 diameter replacement is r...

Page 42: ...6D Gas Control White Rodgers Electronic 25 Pilot Assembly LP 7 Piezo Igniter White Rodgers Mechanical 26 Pilot Orifice LP 8 Brass Drain Valve 27 Thermocouple Thermopile LP 9 Screw 8 18 x 3 4 Hex Washe...

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Bradford White RG130T*X Series, Service Manual

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