SERVICE MANUAL - Bradford White
Contents
1. BRADFORD WHITE WATER HEATERS PV Series Through The Wall Gas Water Heaters SERVICE MANUAL Troubleshooting Guide and Instructions for Service To be performed ONLY by qualified service providers Models Covered by This Manual RG1PV40S RG1PV50S RG1PV55H RG2PV40T RG2PV50H RG2PV50T RG2PV75H N X LG1PV55H78 N X LG2PV50H65 N X LG2PV75H76 N X Denotes Warranty Years N X N X N X N X N X N X N Manual 238 51540 00A 3 15 Save this manual for future reference The Bradford White PV Series Through The Wall Gas Water Heaters Table of Contents Page PV Service Procedure VEE DUC TN 1 EE EEE EA E E TEE AAEE 4 ds 6 ig on Glo eal ovlog a sce rrrer mmr rere ernie terre rrr nr mrerter hirer rmret errr Tert or 5 Took Roguired or Sory CO aiara E NEE 5 BS Fe TUT ME UOT AEE INE EE EET TE A EA A T ETE 6 Contool TINNE Sisuu aea E E aE EAEE AEA Ea aaa NENEA 10 Seduencc ol Operaio ianea E EE EE i Troubleshoot ssrin i aeai 15 Burner Inspection Cleaning amp Replacement ya cssicissccedsasseecessrasasencsHaasosenasdearsovancdtinesteenees 17 I Pilot Tesane Cleaning amp Replacement secius 19 II Pressure Switch Testing amp Replacement nonnnnnsnes0oonoos0oeseosesenseneosensesensesneseonesensesensesees 20 M Blower Testing amp Replacement sisscsssctnescrerinisaccninsantacsomaiiandeutensaniieteveiavaeiiuncdieieiavnensnees 22 IV Blower Temper2. RG2PV50H LG2PVS50H 3 Diameter 7 6 cm PVC Vent Connector Lengths Teminat of Maximum d Minimum nds g Elbows ET ft ET ft Through the Wall 13 7 ee a oa Trees heReet_ 9 oe j rey T Through the Roof 3 E07 4 Diameter 10 2 cm PVC Vent Connector Lengths Terminatin of Maximum a Minimum pads J Elbows Length ft Length ft Through the Wall 4 175 53 3 10 3 1 Through the Wall 170 51 8 10 3 1 0 3 1 Through the Wall 165 50 3 trough Wa 5 isara men Through the Roo o 180648 Bea teste Root 1 mses wan feo a8 PV S eri es f Specifications Vent Tables Venting Specifications for RG1PV55H RG2PV75H LG1PV55H LG2PV75H 3 Diameter 7 6 cm PVC Vent Connector Lengths Terminatin of Maximum Straight Minimum Straight g Elbows Length ft m Length ft m Through the Wall 45 13 7 2 6 Through the Wall 40 12 2 2 6 Through the Wall 35 10 7 2 6 Through the Wall 30 9 1 2 6 Through the Roof o 50 15 2 7 2 1 Through the Roof 45 13 7 TO Through the Roof 40 12 2 7 2 1 Through the Roof 35 10 7 7 2 1 4 Diameter 7 6 cm PVC Vent Connector Lengths Hof Maximum Minimum Terminating Elbows Straight Straight Length ft m Length ft m Through the Wall 175 53 3 10 3 1 Through the Wall 170 51 8 10 3 1 Through the Wall 165 50 3 10 3 1 Through the Wall 160 48 8 10 3 1 Through the Wall 155 47 2 10 3 1 Throug
3. Align right side inner door to combustion chamber and verify the fastener holes of the combustion chamber are aligned with right side inner door slotted opening Verify seal integrity around combustion opening Secure right side inner door using 1 2 hex drive screws from step 3a DO NOT OVER TIGHTEN SCREWS Verify both left and right sides of inner door are properly positioned and sealed against the combustion chamber SECURE FLANGE WITH 1 4 DRIVE SCREWS VERIFY THREADED HOLE ALIGNMENT WITH SLOTTED OPENINGS IN INNER DOOR Step 12 Replace outer jacket burner access door Step 13 To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual a WATER HEATERS ScreenLok Flame PV Series Arrestor Cleaning ScreenLok Flame Arrestor Cleanin A NOTICE Some models are not equipped with the ScreenLok Flame Arrestor 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 XIII on page 36 Step 4 Disconnect main burner feedline 3 4 wrench pilot tube 7 16 wrench and igniter flame sensor wire from gas control and remove burner assembly from combustion chamber Step 5 Clean ScreenLok Flame Arrestor using stiff brush compressed air and or shop vacuum to remove any scale or other d
4. Control is wet or physically damaged 1 Control needs to be reset 2 Control is wet or physically damaged Troubleshooting Service Procedure Page 19 1 Check vent or vent tables 2 amp 3 Page 20 4 Refer to venting section of installation manual 5 Page 22 6 amp 7 Page 24 1 4 Page 19 5 Refer to installation manual 6 Page 26 Replace gas control page 28 Flammable vapor sensor or simulative resistance l nee Page 30 device out of specification Flammable vapor sensor or simulated resistive device out of specification Replace gas control page 28 1 Interrupt power supply 2 Replace gas control page 28 1 Interrupt power supply 2 Replace gas control page 28 WATER HEATERS PV SERVICE PROCEDURE a Burner Operation Inspection erles Cleaning and Replacement S 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 b Gas pressure is out of specification c Pilot flame not fully engulfing spark flame sensor Main burner should light smoothly from pilot and burn with a blue flame with a minimum of yellow tips Main burner must be free from any debris accumulation that may affect burner o
5. ECO Energy Cut Out VAC Volts Alternating Current W C Inches of Water Column C Degrees Centigrade F Degrees Fahrenheit 4O E BRADFORD WHITE WATER HEATERS PV Series Parts List Blower Complete Air Mixing Inlet Cover Pressure Switch Blower Temp Switch Blower Gasket Blower Power Cord Vent Adapter Kit Condensate Hose Kit Flue Reducer H Models only O 0 N 0 0 Poe Na 10 Hot Water Outlet Anode 12 13 14 15 16 4 NPT Plug H Models 11 17 Heat Trap Outlet Flue Baffle Heat Trap Inlet Inlet Dip Tube Wire Harness T amp P Valve only Burner Assy 19 20 21 22 23 Outer Door 25 26 27 28 29 30 24 Main Burner Main Burner Orifice Pilot Assy Pilot Orifice Feedline Right side Inner Door Screw 8 15 x 3 4 Left Side Inner Door Screw 10 12 x 3 4 Brass Drain Valve FV Sensor Clip 35 36 37 38 8 OPTIONAL FV Sensor Sensor Harness except 75 gal Polymer Gas Control Simulative Resistive Device 75 gal only Inner Door Gasket Kit ASSE Approved Mixing Valve Kit Heat Trap Insert Flue Core 55H models only BRADFORD WHITE A WATER HEATERS NOTES NOTES BRADFORD WHITE WATER HEATERS Ambler PA For U S and Canada field service contact your professional installer or local Bradford White sales representative Sales 800 523 2931 Fax 215 641 167
6. Using a multi meter N Replace switch set to the ohms setting is see page 25 there continuity between the switch terminals Common causes for high exhaust temperatures Vent length is below minimum allowable Reconnect wire leads and observe N heater operation Do exhaust gas Do switch Y e a eae not to 9 temperatures rise to or above contacts open i b aa ett a 170 F with vent connected Missing or deteriorated flue baffle Gas pressure is out of specification Do switch Y Replace switch contacts open see page 25 N 24 BRADFORD WHITE PV S eri e S Blower ii nite Switch Testing amp S PV SERVICE PROCEDURE V A e A WARNING Blower Tem erature Switch 115 volt potential exposure Use Replacement Step 1 Position gas control power switch to the OFF position and unplug heater from wall outlet Step 2 Remove the three screws Phillip s screw driver from the control access cover on blower and remove cover see photo 16 Step 3 Locate blower temperature switch see photo 17 BLOWER Step 4 Disconnect red and yellow wire leads TEMPERATURE fron cute SWITCH LOCATION Step 5 With an appropriate tool such as side cutters snip the retaining lug from the blower housing to allow removal of temperature switch see photo 18 Step 6 Remove switch from blower housing Step 7 Install new switch Be sure switch is properly seated in mounting area Step 8 Reco
7. end of the inter purge the recycle counter is incremented if the recycle count has not reached its limit 4 another trial for ignition begins If the recycle count has been reached the gas control turns off the blower and flashes 6 times then 2 times with 3 second pause The gas control waits 5 minutes before repeating ignition sequence 4 Trial for Ignition Fault a Pressure switch opens during trial the gas control turns off igniter and pilot valve The gas control proceeds as described in 3b above If the pressure switch closes within 30 seconds the gas control will continue with trial for ignition starting at blower pre purge b Flame not sensed the gas control energizes the spark igniter attempting to light the pilot and prove flame If flame is not sensed within 90 seconds the igniter turns off the pilot valve is closed and the gas control runs the blower through post purge and flashes 6 times then once with 3 second pause The control waits 5 minutes before repeating the ignition sequence BRADFORD WHITE nS PVSeries Smem Abnormal Operation cont 5 Flame sensing fault a Flame lost during run the gas control turns off pilot and main valves runs blower for 15 seconds inter purge The gas control increments the recycle count if the recycle count has not reached its limit 4 another trial for ignition begins If the recycle count has been reached the gas control turns off the blower and flashes
8. from blower housing wire leads from pressure switch PRESSURE SWITCH WIRE LEADS Use a multi meter set to the ohms setting With blower off check Check tubing and pressure N across pressure switch terminals tap on switch for blockage Are switch contacts open Is there blockage no electrical continuity Replace switch see page 21 Clear blockage Position gas valve power switch to the ON position and adjust Check tubing and thermostat to call for heat this will pressure tap on s vent system Is vent system length within See blower testing s vent table specifications page 22 start the blower Check with switch for blockage blocked listed on pages 7 amp 8 Is bl OK multi meter do pressure switch Is there blockage pag pear contacts close with blower running Reconfigure vent Switch contacts are OK system to be Correct blower See safety circuit trace compliant with problem page 32 vent tables ca 20 BRADFORD WHITE WATER HEATERS PV S Pressure Switch Testing and Replacement eries i PV SERVICE PROCEDURE III A Pressure Switch Replacement Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Position gas control power A WARNING Remove the three screws caution to avoid personal injury Phillip s screw driver from control access cover on blower assembly and remove cover see photo 3 Carefu
9. remove outlet nipple anode from the water heater Use caution not to damage pipe threads Step 5 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 3 4 diameter replacement is recommended If any of the steel core of the anode is exposed replacement is recommended Step 6 Upon completion of inspection or subsequent replacement reinstall outlet nipple anode into water heater Connect nipple to plumbing system resume water supply and refill with water Step 7 To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual 34 E BRADFORD WHITE PV S Flue Baffle Inspection amp Replacement eries PV SERVICE PROCEDURE XII Flue Baffle Inspection and Replacement Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 FLUE TUBE NOTCH Position gas control power switch to the OFF position and unplug blower from wall outlet Disconnect vent system from exhaust DISCONNECT VENT adapter on top of blower SYSTEM FROM Unplug cord sets from blower EXHAUST nll SE see photo 26 Remove the three blower mounting screws 1 4 nut driver see photo 26 Remove blower with gasket from water heater Remove
10. reset control rotate knob of temperature control to the minimum setting for at least 6 seconds before returning to desired temperature setting 3 Pressure Switch Blower Temperature Fault a Pressure switch closed at start of call for heat the gas control waits 4 seconds then proceeds to flash 2 times with 3 second pause The control waits 2 minutes and then turns on blower for 30 seconds The blower turns off after 30 seconds and the control waits for pressure switch to open Any time the pressure switch opens the blower turns on or stays on and the control proceeds to wait for pressure switch to close b Pressure switch or blower temperature switch failed to close the gas control runs the blower for 30 seconds waiting for the pressure switch and or blower temperature switch to close If either switch does not close in 30 seconds the blower turns off and the control flashes 3 times with 3 second pause The gas control waits 2 minutes before turning on the blower for another 30 seconds to see the circuit close This cycle repeats as long as there is a call for heat or until the circuit closes c Pressure switch or blower temperature switch opens during burner operation the gas control turns off the pilot and main valve runs blower for 15 seconds inter purge waiting for pressure switch and or blower temperature switch to close If either switch fails to close the control proceeds as described in 3b above if the circuit closes again by the
11. switch to the ON position Step 16 Verify proper blower operation A Blower Removal Step 1 Position gas control power switch to OFF position and adjust control to call for heat Step 2 Unplug blower power cord from wall outlet Step 3 Disconnect vent system from exhaust adapter on top of blower Step 4 Remove exhaust adapter from blower blade screw driver and retain for use on new blower Remove exhaust adapter and Step 5 Unplug cord sets from blower EE nial Step 6 Remove the three blower mounting eth screws 1 4 nut driver Step 7 Remove blower with gasket from water heater P a Blower cord sets Locating Pins on blower flange Pin location holes in jacket head BRADFORD WHITE EK PV SERVICE PROCEDURE V y 7 e Blower Temperature Switch Testing and P S erile S Replacement A WARNING 115 volt potential exposure Use caution to avoid personal injury Blower Temperature Switch Testing Position power switch on gas control to the OFF position Step 1 Remove the three screws Phillip s screw driver from control access cover on blower and remove cover see photo 14 Step 2 Locate blower temperature switch see photo 15 Switch Setting Opens on rise approximately 165 F Auto resets on fall approximately 130 F Cool switch to below 130 F BLOWER TEMPERATURE SWITCH LOCATION AIR MIXING INLET Disconnect wire leads to switch
12. 0 Parts Fax 215 641 2180 Technical Support 800 334 3393 Fax 269 795 1089 Warranty 800 531 2111 Fax 269 795 1089 International Telephone 215 641 9400 Telefax 215 641 9750 ts BRADFORD WHITE CANADA INC Mississauga ON Sales 866 690 0961 905 238 0100 Fax 905 238 0105 Technical Support 800 334 3393 Email parts bradfordwhite com techserv bradfordwhite com www bradfordwhite com
13. 32 ENLARGED VIEW OF FLANGE AREA PLACE FLANGE VIEW WITH GASKETS EXPANDED VIEW SECTIONS FIRST IN PLACE Installation of Inner Door With Gasket Step 7 Clean any residual gasket residue or other debris from combustion chamber surface before installing the inner A WARNING door gasket assembly l ee l Stripped fastener connections Step 8 Place the left side inner door into position first Firmly may allow for seal breach of inner door A seal breach may position the radiused channel of the inner door around the feedline Using the hex drive screws from step 3c secure left side inner door in place DO NOT OVER TIGHTEN SCREWS TIGHTEN SCREWS l l personal injury or death Do Step 9 Position pilot tube and igniter sensor wire against left not over tighten screws in side inner door flange gasket DO NOT ROUTE steps 8 10 and 11 THROUGH RADIUSED CHANNEL WITH FEEDLINE result in a fire or explosion causing property damage POSITION PILOT TUBING AND IGNITER SENSOR WIRE RADIUSED CHANNEL FOR FEEDLINE BRADFORD WHITE Seer eee ee eee ee eee ee WATER HEATERS PV SERVICE PROCEDURE XIII Inner Door Gasket Removal Inspection amp p S erles Replacement S A Installation of Inner Door With Gasket cont Step 10 Firmly place right side inner door flange against the left side inner door flange and secure with 2 hex drive screws from step 3b DO NOT OVER TIGHTEN SCREWS Step 11
14. 6 times then 3 times with 3 second pause The gas control waits 5 minutes before repeating the ignition sequence b Flame sensed out of sequence the gas control only looks for pilot flame when the blower is running If flame is present when the pilot valve is not open the gas control proceeds to wait for flame loss and flashes 5 times with 3 second pause This continues until flame is lost Once the flame signal is lost the control flashes 6 times then 4 times with 3 second pause The control waits 5 minutes before repeating the ignition sequence 14 BRADFORD WHITE PV S eries Troubleshooting GREEN LED INDICATOR Observe green LED indicator on electronic gas control Error flash codes are displayed with a three second pause before repeating Check and repair the system as noted in the troubleshooting table below Service LED Status Control Status Probable Cause See a Procedure None control No electrical Control power switch in OFF position LED not on or Turn power on flashing power Supply voltage interrupted Short flash once Stand by mode Normal operation every four Waiting for call Temperature demand is satisfied Adjust thermostat to seconds for heat no fault temp level Heartbeat Thermostat Normal operation i Tank temperature below set point of alternates calling enol Adjust thermostat to bright dim for heat no fault temp level Unstable pilot Weak pilot signal Pil
15. Resistive Device for proper operating range If the Flammable Vapor Sensor or Simulative Resistive Device is out of range the control LED immediately flashes 7 times with 3 second pause Normal Heating Sequence 1 Thermostat calls for heat Prior to energizing blower gas control checks safety circuit to ensure the circuit is open Normal switch positions in the safety circuit are as follows a Pressure switch normally open b Blower temperature switch normally closed If the safety circuit is closed the control waits 4 seconds gas control LED flashes 2 times with 3 second pause Gas control waits 2 minutes then blower runs for 30 seconds This cycle repeats until safety circuit opens 2 Blower energizes 3 Pressure switch proves blower vent system operation lf the pressure switch does not close within 30 seconds the control LED flashes 3 times with 3 second pause The blower runs for 30 seconds every 2 minutes trying to get the pressure switch or blower temperature switch to close This cycle repeats as long as there is a call for heat 4 Blower pre purge period 2 seconds 5 Trial for pilot ignition 90 seconds a The gas control lights the pilot by activating spark igniter and gas flow to pilot burner b If flame is not sensed within 90 seconds igniter and gas flow are deactivated blower will post purge and control LED flashes 6 times with 3 second pause 6 Main burner ignition After pilot fla
16. a standard multi meter probe for this test Doing so will damage connector Use MULTI METER special pin type electronic probes or small SET TO OHMS diameter wire pins inserted into connector SETTING ELECTRONIC PIN TYPE METER PROBES SIMULATIVE RESISTIVE DEVICE FLAMMABLE VAPOR SENSOR 30 EE BRADFORD WHITE PV SERVICE PROCEDURE VIII PV S eries i Safety Circuit Voltage Trace A WARNING 115 volt potential exposure Use caution to avoid personal injury Safety Circuit Voltage Trace NOTE This procedure assumes a cool tank Remove three screws Phillips Screw driver from control access cover on blower and remove cover see photo 19 Position gas control switch on the ON position and adjust thermostat dial to call for heat Is there 10 to 13 VAC between N la pa pi ctl aa N No voltage from gas control switch and green ground wire Blower call for technical support must be running during this voltage check akornating DQM ay see photo 20 N Y Verify 115VAC to gas control see page 32 Is there 10 to 13 VAC between yellow wire leading N Is there continuity through y Check for loose or broken from pressure switch and blower temperature switch wire connection at switch green ground wire see page 24 terminals see photo 20 N Y Correct igniter sensor ponam Determine cause of blower temperature switch activation and correct D h igni meii coo page 1a Y aul cordo
17. around combustion chamber opening Secure right side inner door using 2 hex drive screws from step 6a DO NOT OVER TIGHTEN SCREWS Verify both left and right sides of the inner door are properly positioned and sealed against the combustion chamber A CAUTION A seal breach may result in a fire or explosion causing property damage personal injury or death Step 9 Replace outer jacket burner access door Step 10 Reconnect gas supply to Gas Control Step 11 Resume water supply to water heater Be sure tank is full of water before resuming operation Step 12 To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual BRADFORD WHITE Ge ee ee ee ee eee O WATER HEATERS PV SERVICE PROCEDURE VII Flammable Vapor Simulative Resistance p S e rje S Device Testing Ne P Flammable Vapor Simulative Resistance Device Testin 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 Resistance must be between 3 000 ohms and 48 000 ohms If outside of this range replace Flammable Vapor Sensor or Simulated Resistive Device FLAMMABLE VAPOR SENSOR HARNESS OR SIMULATED RESISTIVE DEVICE HARNESS DO NOT use
18. ature Switch Testing amp Replacement cceeeseeseseeesseseseseesssesseseseeees 24 V Gas Control Testing amp Replace mien sz 25 c core2axesccntccssesnaneeeawes sacesaastasiansateiataateemiacecaicemneeeien 26 VI Flammable Vapor Device Testing and Replacementt cccsssssesssssesessssesssescsesssseeeseseeees 30 Vil Saldy Circuit Volage UAC snusare aonan laaien 31 Vill Ms SC wh CU Aces tcans taco a E 32 Ix Dip Tube Inspection amp Replacement 5 csehscscucd asensvaaiis ne veassisusisniacessesbesiisinasivenuistRacersimoinanateat 33 X Anode Inspection amp Replacement istcccssscsssseccesscacshocscssnecsanisa eeecsineetaneaiedtasteamaasniemmatine 34 XI Flue Baffle Inspection amp Replacement sosiccsecsiessiaiinseeensdaodoecenausatedansedisensdatansusaeudesataivervsasiesiies 35 XII Inner Door Removal Inspection amp Replacement cccccessesessesesessseseeecseeseseesseseeeseeeees 36 XMI OAE NE r e EEEE EEN ANA A A AE EE E ATN 40 PL e E E cn eweacedeeaseeesesanelbadestaeesaece 4 2 BRADFORD WHITE PV Series WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death DANGER Do not store or use gasoline or other flammable FOR YOUR SAFETY vicinity of this or any other appliance Do not store or use gasoline or other flammable combustible or corrosive vapors and liquids in the combust
19. d pause Eight two flash three second pause Eight three flash three second pause Eight four flash three second pause Failed to light pilot System auto resets Pressure switch or blower temp switch opened during burner operation System auto resets Pilot flame extinguished System auto resets Undesired false pilot flame sensed System auto resets Flammable vapor sensor fault detected Flammable vapor sensor out of specification Temperature Sensor fault Gas valve electronics fault detected Gas valve fault detected Probable Cause Unstable pilot Pilot tube blocked or restricted Oxidation build up on pilot electrode Wire damage to pilot assembly or bad connection at gas valve Vent blockage or improper vent configuration Pressure switch tubing kinked or blocked Faulty pressure switch Vent termination being affected by wind Blower not spinning up to speed Blower temp or exhaust temp too high Faulty blower temperature switch Unstable pilot Pilot tube blocked or restricted Oxidation build up on pilot electrode Wire damage to pilot assembly or bad connection at gas valve Insufficient combustion air Gas pressure is out of specification Pilot valve stuck in open position 1 Damage to temperature sensor wire 2 Temperature sensor resistance out of range 1 Control needs to be reset 2
20. d any blockage Hydrojet slots should be open and free of any blockage Any damage such as cracks restriction due to deformation or unintentional holes are not field repairable and the inlet nipple dip tube must be replaced Step 6 Upon completion of inspection or subsequent replacement reinstall inlet nipple dip tube into water heater Connect nipple to plumbing system resume water supply and refill with water Step 7 To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual BRADFORD WHITE ES PV SERVICE PROCEDURE XI PV S eries Anode Inspection amp Replacement o Pi Anode Inspection amp Replacement A 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 on off switch of gas control valve to the OFF position and unplug water heater from wall outlet Step 2 Turn off cold water supply to water heater Connect hose to drain valve of water heater and route to an open drain Open a nearby hot water faucet to vent water heater for draining Open drain valve of water heater and allow water heater to drain to a point below the outlet connection nipple Step 3 Disconnect outlet nipple from plumbing system Step 4 With an appropriate tool such as a pipe wrench
21. e troubleshooting chart will also indicate the probable cause for the error code and direct the service professional to a service procedure to properly diagnose the abnormal operation In some difficult to diagnose conditions it may be necessary to isolate the heater from the vent system to determine the problem Contact the Bradford White technical support group immediately if diagnosis cannot be made using the methods described in this service manual Tools Required for Service Manometer A liquid U tube type or a digital magnahelic type can be used This device is used to measure gas and or air pressure and vacuum A digital type is strongly recommended This device is used to measure Multi Meter electrical values The meter you select must have the capability to measure volts AC volts DC Amps micro amps and ohms l In some cases standard multi meter probes will damage or simply not be Electronic Probes effective to obtain certain voltage and ohm readings It will be necessary to have special electronic pin type multi meter probes These probes are available at most electronic wholesale outlets Used to measure water temperature An accurate thermometer is Thermometer recommended Used to measure water supply pressure Also used to determine tank Water Pressure Gage pressure by adapting to the drain valve of the heater Pipe wrench channel locks open end wrenches 3 8 7 16 1 2 12 crescen
22. ebris accumulation Using a soft brush clear jacket openings from any dirt dust restrictions or other obstructions Step 6 Remove any debris from burner assembly per PROCEDURE and reinstall burner assembly into combustion chamber Step 7 Reconnect feedline pilot tube and igniter flame sensor wire to the gas control Step 8 Reinstall outer jacket door and inner door per service procedure XIII on page 36 Step 9 To resume operation follow the instructions located on the lighting instruction label or the lighting instruction located in the installation and operation manual BRADFORD WAITE am 39 Glossary of Terms PV Series Frozen Exhaust Vent Terminal If an exhaust vent terminal is blocked with ice or snow due to severe conditions the pressure switch and control will not allow the burner to operate This will result in a three flash error code Once the blockage is removed through melting or other means the controls will let the burner operate The position of the vent terminals in relation to each other and terminals from other appliances can have an effect on the potential for blockage due to ice or snow See the installation instructions for recommended positioning of the terminals Glossary of Terms BTU British Thermal Units GPM Gallons per Minute Hz Hertz kWhr Kilowatt Hour LED Light Emitting Diode NPT National Pipe Thread Ohms Ohms of resistance PSI Pounds per Square Inch RPM Revolutions per minute
23. eck for gas leaks prior to placing water heater back into operation by following the instructions located on the lighting label or the lighting instructions located in the installation and operation manual Step 7 If gas pressure is outside the specification noted above refer to Honeywell Gas Control Testing Disassembly and Replacement to replace gas control or valve body OFF POSITION GAS CONTROL SHOWN IN THE 3 16 ALLEN WRENCH PRESSURE TAP SHOWN INSTALLED 26 E BRADFORD WHITE WATER HEATERS PV SERVICE PROCEDURE VI PV S Gas Control Testing and Replacement E vV eS eee Determine Water Temperature Inside Tank A WARNING Stored water may be HOT WHEN PERFORMING THE FOLLOWING STEPS IN THIS PROCEDURE Take necessary precaution to prevent personal injury Step 1 Position gas control power switch to OFF position Step 2 Draw approximately 4 gallons of water from the drain valve into a container and discard Draw an additional gallon and immediately measure water temperature using an accurate thermometer It may be necessary to open a hot water faucet to allow heater to drain Step 3 Compare the measured water temperature with the setting on the gas control In most instances they should not differ by more than apporx 10 F BRADFORD WHITE Se ee ee ee eee ee eee eee WATER HEATERS PV SERVICE PROCEDURE VI PV S eries Gas Control Testing and Rep
24. ect per step 4 1 4 HEX DRIVE SCREWS RIGHT AND LEFT SIDE INNER DOOR _ 1 4 HEX DRIVE SCREWS AT FLANGE AREA OF INNER DOOR Step 4 Fully inspect inner door gaskets for the following Tears Other imperfections that will inhibit proper seal Missing Material Gasket adhesion to inner door Cracks Material left on combustion chamber around opening Dirt or debris If the gasket is not affected by any of the above gasket replacement is not required If replacement is required proceed to Inner Door Gasket Replacement Procedure Inner Door Gasket Replacement Procedure A WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Step 5 After inspection of inner door as noted in step 4 completely remove gasket and adhesive residue from right and left side inner doors as needed Step 6 Use RTV sealant recommended bead size 1 8 to secure the inner door gasket to the inner door sections right amp left Refer to illustration on next page 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 PV SERVICE PROCEDURE XIII Inner Door Gasket Removal Inspection amp eries Replacement D cl A a i RECOMMENDED PATTERN FOR RTV SEALANT GASKET OVERLAP MUST BE AS SHOWN 1
25. flue baffle or flue core from heater see photos 27a and 27b Inspect baffle or core for deterioration missing restrictors Clean any scale or debris build up Replace with new baffle or core as necessary Reinstall baffle or core into flue tube Be sure hanger tabs are inserted into CORD SETS notch location at the top of the flue tube see photos 28 amp 29 Check burner to insure no scale has accumulated during this operation See burner cleaning procedure on page 18 Reinstall blower on water heater Connect vent system and cords set to blower Plug water heater into wall outlet To resume operation follow the lighting instruction located on the lighting instruction label or the lighting instruction located in the installation operation manual FLUE BAFFLE BLOWER MOUNTING SCREWS RG2PV50H FLUE FLUE BAFFLE SHOWN CORE INSTALLED IN 28 FLUE TUBE NOTCHES BRADFORD WHITE qe 35 WATER HEATERS PV SERVICE PROCEDURE XIII 7 Inner Door Gasket Removal Inspection amp P S erles Replacement X ei 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 Inner Door removal a Remove 2 1 2 hex drive screws from right side inner door b Remove 2 drive screws from flange section of inner door C Remove 2 drive screws from left side inner door d Remove inner door and insp
26. h the Roof 0 180 54 9 15 4 6 Through the Roof 175 53 3 15 4 6 Through the Roof 170 51 8 15 4 6 Through the Roof 165 50 3 15 4 6 Through the Roof 160 48 8 15 4 6 Se BRADFORD WAITE am 9 PV Series Control Timings Ignition State Pre purge Trial for Ignition Flame Stabilization Period Inter purge Flame Failure Response Time Flammable Vapor Sensor Simulated Resistive Load Lockout Hardware Error Lockout f Specifications 90 Seconds 15 Seconds 1 5 Seconds 2 second maximum 1 second minimum Indefinite cycle power to restart Indefinite self clears if fault clears for at least 15 seconds WIRING DIAGRAMS ALL MODELS EXCEPT 75 GALLON BLOWER BLOWER TEMPERATURE SWITCH PRESSURE FLAMMABLE VAPOR SENSOR BLOWER MOTOR 75 GALLON ONLY BLOWER BLOWER BLOWER TEMPERATURE SWITCH PRESSURE SIMULATED RESISTIVE DEVICE 10 E BRADFORD WHITE WATER HEATERS PV S eries f Sequence of Operation i 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 To assure no outputs are energized if the Flammable Vapor Sensor for RG1PV40S RG1PV50S RG2PV40T RG2PV50T RG2PV50H or Simulated Resistive Device for RG1PV55H and RG2PV75H is out of range the control will test the Flammable Vapor Sensor or Simulated
27. ible or corrosive 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 the gas supplier A WARNING Water heaters 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 with the water heater and vent air intake components UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER VENT AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT AIR INTAKE SYSTEM CAUTION If sweat fittings are to be used DO NOT apply heat to the nipples on top of the water heater Sweat the tubing to the adapter before fitting the adapter to the water connections It is imperative that heat is not applied to the nipples containing a plastic liner A WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long per
28. iod of time generally two weeks or more Hydrogen gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use any electrical appliance which is connected to the hot water system If hydrogen is present there will be an unusual sound such as air escaping through the pipes as hot water begins to flow Do not smoke or have open flame near the faucet at the time it is open IMPORTANT Before proceeding please inspect the water heater and its components for possible damage DO NOT install any water heater with damaged components If damage is evident then please contact the supplier where the water heater was purchased or the manufacturer listed on the rating plate for replacement parts A WARNING DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING e Liquefied petroleum gases propane gas and natural gas have an odorant added by the gas supplier that aids in the detection of the gas Most people recognize this odor as a sulfur or rotten egg smell Other conditions such as odorant fade can cause the odorant to diminish in intensity or fade and not be as readily detectable If you have a diminished sense of smell or are in any way unsure of the presence of gas immediately contact your gas supplier from a neighbor s telephone Gas detector
29. ion and operation manual amp amp _ I axx Ey BRADFORD WHITE PV S Pilot Inspection Testing and Replacement eres i Pilot Inspection Testine and Replacement Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 PV SERVICE PROCEDURE II A Position gas control power switch to the OFF position and unplug heater from wall outlet IGNITER FLAME Turn off gas supply to water SPERN heater Remove outer jacket door and inner door per e service procedure XIII on page 36 TUBING NUT Disconnect pilot tubing nut 7 16 wrench and feedline nut 3 4 wrench from gas control Disconnect igniter flame sense wire from gas control Remove burner assembly from combustion chamber Remove pilot assembly from feedline 1 4 nut driver Visually inspect igniter flame sense wire for damage Replace pilot if damage is found FERRULE With a multi meter set to ohms setting NUT check continuity through igniter flame sense wire Replace pilot if no continuity ip Visually inspect igniter flame sense PILOT PILOT electrode for deterioration Replace pilot ORIFICE HOOD as necessary Electrode should not be in contact with pilot hood if so carefully adjust electrode to a gap of distance of 3 32 09 from pilot hood Late hr gt E Visually inspect igniter flame sense elec
30. lacement A GAS CONTROL Gas Control Removal From Water Heater epla Step 1 Position the gas control power switch to the OFF position OFF POSITION and unplug heater from wall outlet Step 2 Drain the heater to a point below the gas control level Step 3 Turn off the gas supply to the water heater and disconnect gas piping from the gas control Step 4 Disconnect wire harnesses from the gas control Step 5 Remove the outer jacket burner access door Step 6 Right side inner door removal a Remove 2 hex drive screws from RIGHT side inner door b Remove 2 hex drive screws from FLANGE SECTION of inner door c Remove right side inner door and set aside Be careful not to damage gasket material in inner door Step 7 Removal of Gas Control a Disconnect main burner feedline and pilot tube b Remove Gas Control from water heater by rotating counter clockwise DO NOT use a wrench on the Gas Control body damage to the Gas Control may occur If necessary use a length of 72 NPT pipe threaded into the gas inlet of Gas Control 1 4 HEX DRIVE SCREWS RIGHT AND LEFT SIDE INNER DOOR 1 4 HEX DRIVE SCREWS AT FLANGE AREA OF INNER DOOR Step 8 Install new Gas Control into water heater a Install new Gas Control into water heater by rotating Clockwise DO NOT use a wrench on the Gas Control body damage to the Gas Control may occur If necessary use a length of 72 NPT pipe threaded into the gas inlet of
31. les 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 air is increased and its direction altered The air then mixes in a normal manner with supplied gas and is efficiently combusted producing low NOx emissions In the unlikely event trace amounts of flammable vapors are present in the air flowing into the combustion chamber the vapors are harmlessly ignited by the burner If flammable vapors are in sufficient quantity to prevent normal combustion the flammable vapor sensor recognizes this and shuts down the pilot and main burner Should the flammable vapor continue to burn the flame arrestor plate prevents the flames from traveling backwards and igniting vapors outside of the combustion chamber This feature is only on models with inputs less than or equal to 75 000 BTU hr 4 E BRADFORD WHITE PV S eries How to Use This Manual 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 PV Series water heaters Understanding the sequence of operation section of this manual will contribute greatly to troubleshooting the water heater The Honeywell WV4462A Electronic Gas Control will display error codes in the event of abnormal operation Error codes are listed in the troubleshooting chart beginning on page 15 of this service manual Th
32. lly remove pressure switch from blower housing see photo 4 Disconnect tubing from pressure switch see photo 5 Disconnect yellow wires from pressure switch see photo 6 Reconnect wires from step 6 to new pressure switch Reconnect tubing to new pressure switch Carefully position pressure switch into blower housing Position gas control power switch to ON position and verify proper heater operation Replace control access cover from step 2 PRESSURE SWITCH Slide pressure switch in direction of arrow while tilting slightly away from blower housing BRADFORD WAITE am 21 WATER HEATERS PV Series Blower Testin Step 1 Step 2 Does blower energize Y within 2 minutes N Does blower energize after 2 minutes run for 30 seconds and shut down N Disconnect cord set shown in photo 9 Is there 115VAC across terminals shown in photo 11 Is there 115VAC N at wall outlet Check power Y cord for damage N Replace blower PV SERVICE PROCEDURE IV Blower Testing and Replacement A WARNING 115 volt potential exposure Use power switch to ON position and adjust control to call for heat Remove the three screws Phillip s screw driver from control access cover on blower assembly and remove cover see photo 7 REMOVE EXHAUST ADAPTER Disconnect vent system from top of blower and remove vent adapter see photo 10 Connect manometer to p
33. lower Operation blower noise is significantly reduced for both interior and exterior environments Cooler operation increases blower life by reducing bearing wear and noise Rugged Wiring Connections receptacle type connections promote error free wiring Increased Vent Lengths increased venting performance is achieved while maintaining Energy Factor amp FHR not available on all models performance The RG1PV amp RG2PV water heaters use a combustion system where flue gases are combined with dilution air to reduce the flue gas temperature in the blower The diluted flue gases are evacuated to the exterior through low temperature vent materials The gas control maintains water temperature ignition sequence and regulates gas flow A safety circuit consisting of a pressure switch and blower temperature switch verifies proper conditions exist for safe and reliable operation If a situation outside of normal operating parameters exists the gas control diagnostic LED will flash a code to positively identify an operational issue This service manual is designed to facilitate problem diagnosis and enhance service efficiency Please read the service manual completely before attempting service on this new series of power vent models How the Safety System Works During normal operation air for combustion is drawn into the water heater through the opening in the jacket This air travels down and around the combustion chamber and enters through ho
34. me is sensed gas control activates main valve for main burner ignition The gas control will ignore flame and pressure switch signals for 3 seconds allowing for main burner to stabilize BRADFORD WHITE ee eee eee ee eee ee ee ee eee PVSeries Smem 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 blower will post purge for 15 seconds Control LED flashes a short flash once every 4 seconds idle status code Pressure switch blower temperature switch if either switch opens the pilot valve and the main valve are both shut down The blower continues to run for 30 seconds attempting to close the circuit The control LED flashes 3 times with 3 second pause Flame sensor if flame is lost pilot amp main valves are shut down blower runs for 15 seconds Control attempts to re light pilot 4 times If unsuccessful blower is shut down and control proceeds to 5 minute lockout Control re attempts to light pilot starting at normal heating sequence 2 Thermostat satisfies Control LED flashing once every 4 seconds Burner off 0 Blower post purges 15 seconds Abnormal Operation 1 Flammable Vapor Sensor or Simulated Resistive Device Fault a If the resistance is greater than 70 000 Ohms the gas control immediately turns off all outputs Control wait
35. n igniter sparking Is igniter sensor OK g g Y Red wire leading to blower temp switch Safety circuit voltage is OK If burner does not light observe LED flash code on gas valve and refer to Yellow wire leading from pressure switch troubleshooting section on page 15 BRADFORD WHITE mmm 31 WATER HEATERS PV SERVICE PROCEDURE IX PV S eries 115 VAC Circuit Trace Re 115 VAC Circuit Trace Step 1 Verify 115 VAC and proper polarity A WARNING at wall outlet nies pe oe Use caution to avoid personal injury Step 2 With unit plugged in and control p jury power switch in the ON position verify LED status LED status Short flash once every four seconds Waiting for call for heat LED status Heartbeat alternates bright dim Thermostat calling for heat LED status Various flashing error codes Verify error code as listed on page 15 i LED status None Control LED not on or flashing Disconnect cord set as shown in photo 21 Using a volt meter set to volts AC is Check for damage there 115VAC to AC supply Repair damage across terminals power cord shown in photo 22 N Replace Blower ihe TSVAG Reconnect cord set across terminals shown in photo 21 shown in photo 23 P N Incorrect supply voltage polarity Locate black amp white wires at connector it may be Disconnect wire harness necessary to pull back wire from gas cont
36. nnect red and yellow wires to new switch Wires are interchangeable with either terminal SNIP RETAINING LUG Step 9 Position gas control power switch to FROM BLOWER the ON position and verify proper HOUSING heater operation Step 10 Replace control access cover from step 2 BRADFORD WAITE am 25 WATER HEATERS a PV SERVICE PROCEDURE VI PV S erie S Gas Control Testing and Replacement 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 Manifold Pressure Testing this procedure presumes a maximum line pressure of 14 0 W C Step 1 Set the Gas Control to the OFF position Step 2 Remove pressure tap plug and install 1 8 NPT pipe coupling amp pressure tap Step 3 Connect manometer to pressure tap Step 4 Follow instructions located on the lighting instructions label and proceed to light the main burner and observe manometer reading Step 5 Proper operating range for Natural Gas is 4 0 0 5 W C Proper operating range for Propane gas is10 0 0 5 W C Step 6 If pressure is within the range specified in the previous step set Gas Control knob to the OFF position remove manometer and pressure tap and replace pressure tap plug Ch
37. on vacuum increase 75 W C Opens on vacuum decrease 72 W C RG2PV 40 50 T Normally open closes on vacuum increase 80 W C Opens on vacuum decrease 77 W C Pressure Switch R L 1PV55H Models Normally open closes on vacuum increase 1 40 W C Opens on vacuum decrease 1 37 W C R L G2PV75H Models Normally open closes on vacuum increase 1 25 W C Opens on vacuum decrease 1 22 W C 115 VAC 60 Hz 3 1 amps 3000 RPM 6 BE BRADFORD WHITE PV S eri es f Specifications Vent Tables Venting Specifications for RG1PV40S RG2PV40T RG1PV50S RG2PV50T 2 Diameter 5 1 cm PVC Vent Connector Lengths Terminatin of Maximum Minimum pa J Elbows ft a ft Through the Wall the Wall 45 16 8 8 Through the Wall EE 13 7 D maen 4 ea a rougie Ro oO sodesy ea ThroughtheRoof 14 450168 72 Ge ee ee 3 Diameter 10 2 cm PVC Vent Connector Lengths Terminatin of Maximum zo Minimum vow Elbows Length ft Length ft Through the Wall 115 35 10 3 1 Through the Wall 110 33 5 10 3 1 3 1 Through the Wall 105 32 0 a oew j e 2 0 Through the Roo o a E E e ts 6 ThoughtheRoot 2 11038 BES Through the Roof 3 10620 BES Crous he Root a 100 0 5 Tas BRADFORD WHITE E T PV S eri es f Specifications i Vent Tables Venting Specifications for
38. ot tube block or restricted on last call for Oxidation build up on pilot electrode heat Wire damage to pilot assembly or bad connection at gas valve Pressure switch Pressure switch tubing kinked or blocked not working Blocked pressure tap on switch or blower closed position Faulty pressure switch Vent blockage or improper vent 1 Check vent or vent configuration tables Pressure switch tubing kinked or blocked Faulty pressure switch Blower not spinning up to speed 4 Page 22 Blower temp or exhaust temp too high Faulty blower temperature switch 5 amp 6 Page 24 Short flash once per second Two flash three second pause Pressure switch 3 Three flash or blower temp three second switch not 3 2 amp 3 Page 20 pause working open 4 position 5 6 1 2 3 Excessive tank Four flash three temperature second pause System must be reset Undesired false Five flash three l n Replace gas control pilot flame 1 Pilot valve stuck in open position second pause present page 28 Temperature sensor out of calibration 1 amp 2 Replace gas Faulty gas control control Plumbing leak page 28 BRADFORD WHITE WATER HEATERS 15 PV Series Six one flash three second pause Six two flash three second pause Six three flash three second pause Six four flash three second pause Seven flash three second pause Eight one flash three secon
39. peration see burner cleaning procedure on page 18 BRADFORD WHITE Ge ee ee ee eee ee eee PV SERVICE PROCEDURE 1I Burner Operation Inspection p Series Cleaning and Replacement Burner Cleanin r 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 IGNITER FLAME inner door per service SENSE WIRE procedure XIII on page 36 Step 4 Disconnect pilot tube 7 16 wrench FEEDLINE and feedline 3 4 wrench from gas ipah anur NT control Step 5 Disconnect igniter flame sensor wire from gas control Step 6 Remove burner assembly from combustion chamber Step 7 Thoroughly inspect burner surface area and burner port area and remove any loose debris Step 8 Unscrew burner from main burner orifice BURNER SURFACE AREA NOTICE Feedline nut for natural gas control uses right hand threads LP control uses left hand thread BURNER PORT AREA MAIN BURNER ORIFICE Step 9 Remove main burner orifice from feedline 1 2 wrench on steel burners inspect orifice clean or replace if necessary Step 10 Reassemble burner and reinstall into water heater Restore gas supply and check for gas leaks Step 11 To resume operation follow the instruction located on the lighting instruction label or the lighting instruction located in the installat
40. ressure tap of blower see photo 8 Disconnect pressure switch tubing from blower see photo 8 With blower running and exhaust adapter removed from top of blower is there a negative pressure of 2 15 to 2 30 W C Pressure Ta Is there 115VAC across blue Pressure p an yoon N and green wires bi Replace blower Switch tubing see photo 13 See pressure switch testing Page 20 Is there 115VAC across terminals shown in photo 12 Reconnect cord set shown in photo 9 is there N 115VAC between blue wire and green ground wire see photo 13 GREEN BLUE ncorrect supply N GROUND voltage polarity Determine power source problem and correct Replace N Does cord set have cord set electrical continuity Y Repair or replace control PRESSURE SWITCH REMOVED WATER HEATERS PV SERVICE PROCEDURE IV Blower testing amp Replacement PV Series Blower Installation Step 8 Clean any debris from jacket head of water heater Step 9 Set new blower with gasket in place using locating pins on blower flange to line up with location holes in jacket head Be sure not to damage gasket Step 10 Secure blower in place using mounting screws from step 6 Step 11 Re install exhaust adapter from step 4 Step 12 Reconnect vent system to exhaust adapter Step 13 Reconnect cord sets from step 5 Step 14 Plug blower power cord into wall outlet Step 15 Position gas control power
41. rol sheath to identify wire colors see photo 24 see photo 25 WIRE HARNESS Is there 115VAC across y or black amp white wires as shown ep ina in photo 25 contro N WIRE SHEATH PULLED BACK TO IDENTIFY Call for technical mance WIRE COLORS Check for 115VAC between black amp white wires NOTE Electronic meter probes required Use care not to damage connector during this check BRADFORD WHITE WATER HEATERS PV SERVICE PROCEDURE X PV S Dip Tube Inspection amp Replacement eries f Diptube Inspection amp Replacement A 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 on off switch of gas control valve to OFF position and unplug water heater from wall outlet Step 2 Turn off cold water supply to water heater Connect hose to drain valve of water heater and route to an open drain Open a nearby hot water faucet to vent heater for draining Open drain valve of water heater and allow heater to drain to a point below the inlet connection nipple Step 3 Disconnect inlet nipple from plumbing system Step 4 With an appropriate tool such as a pipe wrench remove inlet nipple dip tube from the water heater Use caution not to damage pipe threads Step 5 Visually inspect inlet nipple dip tube Inlet nipple dip tube should be free of cracks an
42. s and monitors resistance for 30 seconds lf the resistance is greater than 65 000 ohms after 30 seconds the gas control proceeds to verify resistive delay for 2 minutes and flashes 7 times then once with a three second pause This process is repeated 5 times until the control either returns to normal operation or proceeds to flammable vapor lockout b If the resistance is below 3000 Ohms The gas control immediately turns off all outputs and proceeds to flash 8 times then once with three second pause The error self clears if the resistance returns to normal range for at least 15 seconds 2 Temperature Sensor Fault a Temperature sensor detected open circuit The gas control immediately turns off all outputs and proceeds to flash 8 times then 3 times with 3 second pause The error self clears if the fault clears for at least 15 seconds b Thermal well sensor not reading the same temperature within 5 5 F The gas control immediately turns off all outputs and proceeds to flash 8 aoe Se 12 EEE BRADFORD WHITE PV S eries f Sequence of Operation i Abnormal Operation cont times then 3 times twice with 3 second pauses The error self clears if the fault clears for at least 15 seconds c Water temperature in excess of ECO energy cut out limit The gas control immediately turns off pilot amp main valves and proceeds to flash 4 times with 3 second pause Blower continues to run until gas control is reset To
43. s are available Contact your gas supplier or plumbing professional for more information A WARNING FAILURE TO INSTALL AND MAINTAIN A NEW LISTED X 3 4 TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM THAT MIGHT RESULT FROM EXCESSIVE TEMPERATURE AND PRESSURES CAUTION Turn off or disconnect the electrical power supply to the water heater before servicing Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing BRADFORD WHITE E 3 PV Series Introduction The new Bradford White RG1PV amp RG2PV 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 quiet operation additional vent lengths and Bradford White Defender Safety System not available on all models Spark to Pilot Ignition System employing the spark to pilot ignition system promotes reliable and consistent pilot and main burner ignitions to provide hot water on demand Integrated Immersion Thermostat Gas Control Valve with LED was developed for ease of troubleshooting by providing simple diagnostic codes to pinpoint an installation or component performance issue Powerful Blower will eliminate problems with difficult venting situations Quiet and Cool B
44. t wrench allen wrench set screw drivers common amp Phillip s 1 4 nut driver pliers common amp needle nose socket set side cutters wire cutters wire strippers wire crimpers torpedo level small shop vac step ladder flashlight and 5 gallon pail Various Hand Tools BRADFORD WHITE E 5 PV Series f Specifications Power supply Dedicated 115 VAC 60 Hz 15A Gas Supply Pipe Minimum 1 2 NPT schedule 40 black iron pipe recommended a Gas Natural Gas or Propane unit must match gas type supplied 5 0 W C min for Natural Gas 11 0 W C min for Propane 14 0 W C maximum Gas Pressure Natural Gas amp Propane Power vent through the wall or vertical through the roof Approved vent pyc CPVC or ABS Materials Minimum Clearance for 18 from top 24 from front 4 sides and rear Servicing Water Supply 150 PSI maximum allowable working pressure Check local codes for supply Pressure pressure Gas Control i ECO Limit Residential 188 F 87 C Commercial 199 F 93 C Residential o o o o F 1 160 F 71 Temperate cel 60 F 16 C to 160 F 71 C approximate temperatures Point Range Commercial Temperature Set 80 F 27 C to 180 F 82 C approximate temperatures Point Range Blower Temperature Normally closed opens 155 F 68 C auto reset approximately 135 F 57 C Switch RG1PV 40 50 S R L G2PV50H Models Normally open closes
45. the Gas Control b Reattach main burner feedline pilot tube and pilot wire 28 E BRADFORD WHITE PV SERVICE PROCEDURE VI PV S Gas Control Testing and Replacement Cries Reinstallation of inner door assembly C Prior to reinstallation of inner door fully inspect for the following Tears Other imperfections that will inhibit proper seal Missing material Gasket adhesion to inner door Cracks Material left on combustion chamber around opening Dirt or debris If the gasket is not affected by any of the above gasket replacement may not be required If replacement is required replace using new gasket kit following the instructions provided with d Clean any gasket residue or other debris from combustion chamber surface before installing the inner door gasket assembly e Position the spark igniter wire and pilot tube against left side inner door flange gasket DO NOT ROUTE THROUGH RADIUSED CHANNEL WITH FEEDLINE Be sure that the spark igniter wire and pilot tube are not in position to interfere with outer jacket burner access door when reinstalled f Firmly place right side inner door flange against the left side inner door flange and secure with 2 hex drive screws from step 6b DO NOT OVER TIGHTEN SCREWS g Align right side inner door to combustion chamber and verify the fastener holes of the combustion chamber are aligned with the right side inner door slotted openings Verify seal integrity
46. trode for oxidation build up Carefully clean any oxidation using very fine emery cloth Gke Visually inspect pilot tubing for kinks or cracks If damage is found replace pilot Inspect pilot tubing and pilot orifice for blockage Remove ferrule nut from bottom of pilot aes assembly 7 16 wrench Remove pilot tube and pilot orifice Inspect pilot tubing and pilot orifice for blockage Clean or replace as necessary Reassemble pilot and install on feedline Reinstall burner assembly to water heater Restore gas supply and check for gas leaks IGNITER FLAME SENSE ELECTRODE BRADFORD WHITE ee eee ee ee eee O WATER HEATERS PV SERVICE PROCEDURE III PV S eries Pressure Switch Testing and Replacement NX n Step 15 To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual Pressure Switch Testin Step 1 Position power switch on gas 115 volt potential exposure Use control to the OFF position caution to avoid personal injury Step 2 Remove the three screws Phillips screw driver from control access cover on blower assembly and remove cover see photo 1 Step 3 Carefully remove pressure switch from blower housing see photo 2 A WARNING PRESSURE SWITCH With steps 1 2 amp 3 complete disconnect Slide pressure switch in direction of arrow while tilting slightly away
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