Bradford White 238-45917-OON, Installation And Operating Instruction Manual

Page 1: ...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 For your family s comfort safety and convenience we recommend this water heater be installed and serviced by a plumbing professional INSTALLATION AND OPERATING INSTRUCTION MANUAL FOR YOUR S...

Page 2: ...the installation of this water heater We require that you carefully read this manual as well as the enclosed warranty and refer to it when questions arise If you have any specific questions concerning your warranty please consult the plumbing professional from whom your water heater was purchased For your records we recommend that you write the model serial number and installation date of your wat...

Page 3: ...ng 19 Combustion Air Supply 21 Water Connections 24 Gas Connections 26 Electrical Connections 27 Wiring Diagram 28 GENERAL OPERATION 29 Lighting and Shutdown Instructions 30 Thermostat Adjustment 31 Burner Flame Check 32 MAINTENANCE 33 TROUBLESHOOTING 36 PARTS LIST AND DRAWING 38 INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND SPACE HEATING 39 NOTES 40 ...

Page 4: ...fy the warranty Do not use this appliance if any external part to the tank has been submerged in water You should contact a qualified service technician to inspect the appliance and to replace any part of the control system including the combination gas control which has been submerged in water Make sure that you check the rating plate and combination gas control on the water heater to be certain ...

Page 5: ...be installed in compliance with the National Fuel Gas Code ANSI Z223 1 Latest Edition and or in Canada CAN CGA B149 Installation Codes Latest Editions The location of this water heater is of the utmost importance Before installing this water heater read the installation section of these instructions After reading these installation and operating instructions select a location for the water heater ...

Page 6: ...TER HEATER To comply with NSF requirements this water heater is to be a Sealed to the floor with sealant in a smooth and easily cleanable way or b Installed with an optional leg kit that includes legs and or extensions that provide a minimum clearance of 6 beneath the water heater WARNING Liquefied petroleum gases propane gas are heavier than air and will remain at floor level if there is a leak B...

Page 7: ...must be at least 3 4 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 This water heater MUST be installed indoors out of the wind and weather Note For California installation this water heater must b...

Page 8: ...e appliance by at least 3 inches 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor must be covered by the panel The minimum clearances to combustibles for this water heater are 0 inch from the sides and rear 5 inches 12 7 cm from the front of the jacket 0 inch from the vent connector and 15 inches 38 1 cm from the jacket top Increase distances t...

Page 9: ...m M Clearance under a veranda porch deck or balcony 12 inches 30 cm b 1 In accordance with the current CAN CGA B149 Installation Codes 2 In accordance with the current ANSI Z223 1 Latest edition NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Permitted only if a veran...

Page 10: ... and will contribute toward maintaining the water heater s efficiency The acceptance of the venting system is dependent upon full compliance with these installation instructions Venting system must not pass through rated fire separations The venting system must be free to expand and contract This venting system must be supported in accordance with these instructions NOTICE Single Wall Polypropylen...

Page 11: ...ll approved primers and cements are to be used within their marked time limitations Approved Venting Materials For installations in the US only PVC ASTM D 2241 Schedule 40 ASTM D 1785 or Cellular Core Schedule 40 DWV ASTM F 891 CPVC ASTM F 411 Schedule 40 ABS ASTM D 2235 All fittings other than the components supplied with the water heater should be equivalent to PVC DWV ASTM F 2665 CPVC ASTM F 43...

Page 12: ...eater is a power vented appliance and is designed to vent its products of combustion through 3 inch 7 6 cm or 4 inch 10 2 cm diameter vent pipe to the outdoors This water heater may be either vented horizontally through the wall or vertically through the roof Use a 3 inch 7 6 cm to 4 inch 10 2 cm reducer to connect to the vent outlet when using 4 inch 10 2 cm vent pipe Apply the proper cement at t...

Page 13: ... Terminating of 90 Elbows excl vent term Maximum straight Length ft m Min straight Length ft m 48 65 gal 25 55 and 75 gal Through the Wall 1 175 53 3 175 53 3 10 3 1 Through the Wall 2 170 51 8 170 51 8 10 3 1 Through the Wall 3 165 50 3 165 50 3 10 3 1 Through the Wall 4 160 48 8 160 48 8 10 3 1 Through the Wall 5 155 47 2 155 47 2 10 3 1 Through the Roof 0 180 54 9 180 54 9 15 4 6 Through the Ro...

Page 14: ... connections must be leak checked with a soap and water solution upon initial start up of the water heater Any leaks must be repaired before continuing operation of the water heater CONNECTION TO A 3 7 6 CM TO 4 10 2 CM REDUCER CONNECTION TO 3 7 6 CM VENT PIPE ...

Page 15: ... cement to secure the 90 vent terminal provided with the water heater to the vent connector The distance between the edge of the 90 vent terminal and the exterior wall see Figure 3 must be 1 in 2 5 cm Use the proper cement and assembly procedures to secure the vent connector joints between the terminal and the blower outlet Provide support brackets for every 5 feet 1 5 m of horizontal vent Figure ...

Page 16: ...al codes and or The National Fuel Gas Code ANSI Z223 1 Latest Edition or CGA CAN B149 Installation Code latest edition Figure 4 NOTE For installations requiring both horizontal and vertical runs the following rule must be followed Total length of straight pipe both horizontally and vertically must not exceed the allowable length listed in the Through The Wall section of the table for total number ...

Page 17: ...wall at a height greater than or equal to 12 inches 30 5 cm above the ground or anticipated snow level the installation must be modified as shown below see Figure 5 Refer to Table 3 for maximum venting lengths using 3 inch 7 6 cm vent pipe or Table 4 for maximum lengths using 4 inch 10 2 cm vent pipe Figure 5 ...

Page 18: ...erminating Reduce 4 inch to 3 inch Reduce 10 1 cm to 7 6 cm of Elbows excl vent term Max straight Length ft m Min straight Length ft m 48 65 gal 25 55 and 75 gal 2 90 Elbows with 1 90 Elbow 1 160 48 8 160 48 8 10 3 1 2 90 Elbows with 1 90 Elbow 2 155 47 2 155 47 2 10 3 1 2 90 Elbows with 1 90 Elbow 3 150 45 7 150 45 7 10 3 1 2 90 Elbows with 1 90 Elbow 4 145 44 2 145 44 2 10 3 1 2 90 Elbows with 1...

Page 19: ...d applicator tools to ensure proper preparation and joining of pipe and fittings a Cutting Tools i A square cut must be achieved with a miter box saw or pipe cutter to ensure a proper mating with the female If a pipe cutter is used the burr created at the outer edge of the pipe must be removed b Deburring Tools i A file knife or plastic deburring tool can be used to remove burrs Burrs must be remo...

Page 20: ...oat around the end of the pipe 4 Joining a Joints should be made immediately after cement is applied b After fully inserting pipe into fitting socket hold joint together for about 15 to 20 seconds c Remove excess cement from around pipe and fitting with a clean rag d Cement drying times may vary Be sure to allow for the recommended drying time before disturbing joints For more specific and detaile...

Page 21: ...be hazardous to life Such a condition often will result in a yellow luminous burner flame causing carbon build up or sooting of the combustion chamber burners and flue tubes with possible damage to the water heater When an exhaust fan is installed in the same room with a water heater sufficient openings for air must be provided in the walls Undersized openings will cause air to be drawn into the r...

Page 22: ...rectly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors 1 When directly communicating with the outdoors each opening must have a minimum free area of 1 inch 6 5 cm2 per 4000 BTU 1 2 kw per hour of total input rating of all equipment in the enclosure 2 When communicating with the outdoors through vertical ducts each opening must have a minimum free ar...

Page 23: ... It is imperative that heat is not applied to the nipples containing a plastic liner If this water heater is installed in a closed water supply system such as one having a back flow preventer in the cold water supply provisions must be made to control thermal expansion DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion Your water supplier or lo...

Page 24: ...ssure 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 it with...

Page 25: ...es 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 possibility ...

Page 26: ...threaded joints of the gas piping must be resistant to the action of liquefied petroleum gases propane gas DO NOT apply pipe dope to the gas valve inlet and make certain that no pipe dope has become lodged in the inlet screen of the gas valve Extreme care must be taken to ensure no pipe dope enters the gas valve Avoid excessive torque when tightening the gas supply line to the gas valve Excessive ...

Page 27: ... the flexible cord provided Do not plug the line cord into a receptacle that can have its power supply interrupted by a switch that is used to turn on and off lights If wiring in conduit is required cut the flexible line cord flush with the bushing Remove the junction box cover and pull the pressure switch outside of the junction box Cut the three wires from the line cord at the bushing inside of ...

Page 28: ...28 Wiring Diagram Figure 6 ...

Page 29: ...ater heater 3 Close the cold water supply shut off valve 4 Open the drain valve on the water heater by turning the stem counter clockwise The drain valve has threads on the end that will allow the connection of a standard hose coupling 5 Open a hot water faucet to allow air to enter the system To refill the water heater refer to To Fill the Water Heater WARNING Water heaters are heat producing app...

Page 30: ...s appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water a fire or explosion Appliance and call your service gas valve down to the OFF position 5 Slide the switch on the right side of the technician or gas supplier the pilot by hand 3 Set the the...

Page 31: ...STAT DIAL ON OFF STATUS Honeywell Figure 7 DANGER Hotter water increases the risk of scald injury Scalding may occur within 5 seconds at a temperature setting of 140 F 60 C To protect against hot water injury install an ASSE approved mixing valve in the water system This valve will reduce point of discharge water temperatures by mixing cold and hot water in branch water lines A licensed plumbing p...

Page 32: ...an adjustable air shutter See Figure 8 At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning properly The main burner flame should light smoothly from the pilot Figure 8 WARNING Do not run out of propane gas Damage to the water heater may occur ...

Page 33: ... burner flames to determine that they are burning properly See Burner Flame Check 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 must be no materials stored against the water heater or ven...

Page 34: ...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 9 A combination sacrificial anode rod hot water outlet nipple has been installed to extend tank life The anode rod should be inspected annually and replaced when necessary to prolong tank life Water conditions in your area will influence t...

Page 35: ..._____________________________________________ 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 RE 34 534 B1 5 341 770 4 416 22...

Page 36: ...heat Tank temperature below set point of thermostat 1 Unstable pilot 2 Pilot tube block or restricted 3 Oxidation build up on pilot electrode 4 Wire damage to pilot assembly or bad connection at gas valve 1 Pressure switch tubing kinked or blocked 2 Blocked pressure tap on switch 3 Faulty pressure switch 1 Vent blockage or improper vent configuration 2 Pressure switch tubing kinked or blocked 3 Bl...

Page 37: ...sts Six flashes three flashes three second pause Soft lockout Pilot flame extinguished System resets after 5 minutes 1 Unstable pilot 2 Pilot tube blocked or restricted 3 Oxidation build up on pilot electrode 4 Wire damage to pilot assembly or bad connection at gas valve 5 Insufficient combustion air Control Sequence of Operation Start up Sequence Upon powering up the control checks for the presen...

Page 38: ...Pressure Switch not shown 13 Inner Door Right 3 Blower temp switch not shown 14 Screw Inner Door 4 Flue Baffle or Flue Core 15 Outer Door 5 Flue Baffle Reducer 16 Screw Outer Door 6 Anode Nipple 17 T P Valve 7 Diptube Nipple 18 Gas Feedline 8 Thermal Well 19 Gas Pilot 9 Gas Valve 20 Burner 10 Resistive Device 21 Gas Orifice 11 Drain Valve ...

Page 39: ...e used for 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 means such as an ASSE approved mixing valve must be installed t...

Page 40: ...40 NOTES ...