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Bradford White RG250H6N-475, Manual

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Bradford White RG250H6N-475 Manual Download Page 22

22 

 

General Operation continued-

 

 

THERMOSTAT ADJUSTMENT – Honeywell V1 Gas Control

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
THERMOSTAT ADJUSTMENT – Honeywell V2 Gas Control

 

 

Summary of Contents for RG250H6N-475

Page 1: ...reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier For your family s comfort safety and convenience we recommend this water heater be installed and serviced by a plumbing professional GAS FIRED WATER HEATER INSTALLATION OPERATION INSTRUCTION MANUAL For Flammable Vapor Ignition Resistant System Equi...

Page 2: ...ent of improper usage or storage of gasoline or other flammable materials in the location where the water heater is installed the technology will resist ignition of the flammable vapors outside the confines of the water heater The Flammable Vapor Ignition Resistant System features Advanced Flame Arrestor Design Re settable Thermal Switch to prevent burner pilot operation with restricted airflow Pi...

Page 3: ...upply 11 Water Connections 13 Gas Connections 16 GENERAL OPERATION 17 Lighting and Shutdown Instructions 18 Thermostat Adjustment 21 Burner Flame Check 23 MAINTENANCE 24 TROUBLESHOOTING 26 INSTALLATION DRAWING FOR POTABLE WATER 31 PARTS LIST DRAWING 32 PARTS LIST 33 INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND SPACE HEATING 34 NOTES 35 ...

Page 4: ...anty This water heater has been designed and certified for the purpose of heating potable water The installation and use of this water heater for any purpose other than the heating of potable water may cause damage to the water heater create a hazardous condition and nullify the warranty Do not use this appliance if any external part to the tank has been submerged in water You should contact a qua...

Page 5: ...control A sacrificial anode is used to extend tank life Removal of any anode except for inspection and or replacement will nullify the warranty In areas where water is unusually active an odor may occur at the hot water faucet due to a reaction between the sacrificial anode and impurities in the water If this should happen an alternative anode s may be purchased from the supplier that installed th...

Page 6: ...ible to gas and water supply lines DO NOT locate the water heater where water lines could be subjected to freezing temperatures Make sure the cold water pipes are not located directly above the gas control so that condensate during humid weather does not drip on the controls This water heater MUST be installed indoors out of the wind and weather To comply with NSF requirements this water heater is...

Page 7: ... little or no odor to reveal their presence NOTE DAMAGE TO THE WATER HEATER CAUSED BY EXPOSURE TO CORROSIVE VAPORS IS NOT COVERED BY THE WARRANTY DO NOT OPERATE THE WATER HEATER IF EXPOSURE HAS OR WILL OCCUR DO NOT STORE ANY POTENTIALLY CORROSIVE COMPOUNDS IN THE VICINITY OF THE WATER HEATER WARNING Liquefied petroleum gases propane gases are heavier than air and will remain at floor level if ther...

Page 8: ...e can be purchased from your plumbing professional The drain pan must be piped to an adequate drain The piping must be at least inch 1 9 cm in diameter and pitched for proper drainage It is recommended that a minimum clearance of 4 inches 10 2 cm be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief valve WARNING DO NOT ATTEMPT...

Page 9: ...nches 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor shall be covered by the panel If the rating plate or the label on the front of the heater specifies minimum clearances less than those listed in the below table the water heater may be installed in accordance with the minimum clearances listed on the rating plate or the label on the front o...

Page 10: ...was previously sized for another gas appliance that has been removed the venting system may now be too large Refer to the latest edition of the National Fuel Gas Code ANSI Z223 1 latest edition or in Canada the Natural Gas and Propane Installation Code B149 1 00 latest edition for the correct sizing of venting systems and common venting with another gas appliance Do not vent this water heater into...

Page 11: ...ners and flue tubes with possible damage to the water heater When an exhaust fan is installed in the same room with a heater sufficient openings for air must be provided in the walls Undersized openings will cause air to be drawn into the room through the chimney causing recirculation of combustion products WARNING Liquefied petroleum gases propane gas are heavier than air and will remain at floor...

Page 12: ...f the bottom of the enclosure All Air From Outdoors The confined space shall be provided with two permanent openings one commencing within 12 inches 31 cm of the top and one commencing within 12 inches 31 cm from the bottom of the enclosure The openings shall communicate directly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors 1 When directly commun...

Page 13: ...nsion DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion Your water supplier or local plumbing inspector should be contacted on how to control this situation After installation of the water lines open the main water supply valve and fill the water heater While the water heater is filling open several hot water faucets to allow air to escape fro...

Page 14: ... and pressure relief valve into the opening provided and marked for this purpose on the water heater Note Some models may already be equipped or supplied with a combination temperature and pressure relief valve Verify that the combination temperature and pressure relief valve complies with local codes If the combination temperature and pressure relief valve does not comply with local codes replace...

Page 15: ...inutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds 150 F 66 C About 1 seconds 155 F 68 C About 1 second WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time generally two weeks or more Hydrogen gas is extremely flammable To prevent the possibil...

Page 16: ...he gas supply line to the gas valve Excessive torque may result in cracking of the gas valve housing and could create a gas leak When tightening gas supply line to L P control it is recommended to hold the inlet body of the control securely with an adequate wrench The suggested maximum torque is 31 5 ft lbs 4 4 kg m 2 This water heater and its gas connection must be leak tested before placing the ...

Page 17: ...knob clockwise to the OFF position 3 Shut off the gas supply to the water heater 4 Close the cold water supply shut off valve 5 Open the drain valve on the water heater by turning the knob counter clockwise The drain valve has threads on the end that will allow the connection of a standard hose coupling 6 Open a hot water faucet to allow air to enter the system To refill the water heater refer to ...

Page 18: ...18 Lighting and Shutdown Instructions White Rodgers Mechanical Gas Control ...

Page 19: ...19 Lighting and Shutdown Instructions White Rodgers Electronic Gas Control ...

Page 20: ...20 Lighting and Shutdown Instructions Honeywell Gas Control ...

Page 21: ...21 THERMOSTAT ADJUSTMENT White Rodgers Mechanical Gas Control THERMOSTAT ADJUSTMENT White Rodgers Electronic Gas Control ...

Page 22: ...22 General Operation continued THERMOSTAT ADJUSTMENT Honeywell V1 Gas Control THERMOSTAT ADJUSTMENT Honeywell V2 Gas Control ...

Page 23: ...l reduce point of discharge temperature by mixing cold and hot water in branch water lines A licensed plumbing professional or local plumbing authority should be consulted Note This water heater is equipped with an energy cut out device to prevent overheating Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance and call a qualified serv...

Page 24: ...ner flames to determine that they are burning properly See Burner Flame Check section of this installation and operation manual If sooting or other burner anomalies are evident shut down the water heater by turning off the gas per the instructions listed in this manual or as listed on the water heater WARNING Water heaters are heat producing appliances To avoid damage or injury there shall be no m...

Page 25: ...iment 8 If the combination temperature and pressure relief valve on the appliance discharges periodically this may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the combination temperature and pressure relief valve outlet WARNING Do not operate water heater with jumpered altered loosel...

Page 26: ...1 Gas valve is functioning normally 2 Gas valve is not powered Light pilot One flash and three second pause If set point knob is in PILOT position then pilot flame is detected no faults Gas valve is powered and waiting for the set point knob to be turned to a water temperature setting If the set point knob is at desired setting the thermostat is satisfied LED strobe two quick flashes and three sec...

Page 27: ...valve if five flash error persists Six flashes and three second pause Water leak detected by accessory module some models Excessive amount of water in drain pan water dam Seven flashes and three second pause Gas valve electronic fault detected 1 Verify control is not wet or physically damaged 2 Turn set point knob to OFF position Turn set point knob to PILOT position and light pilot 3 Replace gas ...

Page 28: ...er heater operating normally and is in heat cycle Two flashes and three second pause LED yellow Low thermopile voltage main valve not turned ON Loose thermopile connections or weak pilot flame Four flashes and three second pause LED red Temperature cut out limit reached causing shutdown Excessive temperatures may have been reached Shut off the control and reduce the water temperature Thoroughly ve...

Page 29: ... calling for heat Water heater operating normally and is in heat cycle Solid ON Not an error Indicates that the control is in shutdown mode Set point knob was recently turned to OFF position Wait until LED goes out before attempting to relight Two flashes and three second pause Low thermopile voltage main burner not lit Loose thermopile connections or weak pilot flame Four flashes and three second...

Page 30: ...__ Supplier _____________________________________________________ Supplier Phone No _____________________________________________ CAUTION FOR YOUR SAFETY DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL BURNERS OR GAS PIPING REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN Manufactured under one or more of the following U S Patents 5 277 171 5 341 770 5 372 185 5 485 879 5 574 822 5 596 952 5 660 1...

Page 31: ...31 INSTALLATION FOR POTABLE WATER Figure 11 ...

Page 32: ...32 PARTS LIST DRAWING ...

Page 33: ...gers or Robertshaw 5 Magnesium Anode Hot Water Outlet 17 Steel Burner 6 Flue Baffle Assembly 18 Orifice 7 Dip Tube Cold Water Inlet 19 Gas Feedline to Burner 8 Temperature and Pressure Relief Valve 20 Gas Feedline to Pilot 9 Glass Lined Tank 21 Thermocouple Thermopile Lead 10 Combustion Chamber Assembly 22 Piezo Igniter Lead 11 Jacket Base Pan 23 Pilot Assembly 12 Inner Door Gasket 13 Inner Door A...

Page 34: ...boiler treatment must not be introduced into potable water used for space heating 3 This water heater must not be connected to an existing heating system or component s previously used with a non potable water heating appliance 4 When the system requires water for space heating at temperatures higher than required for other uses a means such as an ASSE approved mixing valve shall be installed to t...

Page 35: ...35 NOTES ...

Page 36: ...36 NOTES ...

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