A.O. Smith 315456-002 Page 37 Installation Instructions And Use And Care Manual Download | Manualshive

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Summary of Contents for 315456-002

Page 1: ...pplier 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 WARNING If t...

Page 2: ...lief Valve 16 17 T P Relief Valve and Pipe Installation 17 Combination Space Heating Potable Water System 17 18 Solar Installation 18 Electrical Connections and Wiring Diagram 18 Important Information...

Page 3: ...ty equivalent to a licensed tradesman in the fields of plumbing air supply venting and gas supply including a thorough understanding of the requirements of the National Fuel Gas Code as it relates to...

Page 4: ...oid all ignition sources if you smell Natural or LP gas Do not expose water heater control to excessive gas pressure Use only gas shown on rating plate Maintain required clearances to combustibles Kee...

Page 5: ...CODES IMPORTANT WHEN BRUSHING ON AN APPROVED NONCORROSIVE LEAK DETECTION SOLUTION DO NOT SPLASH SOLUTION ONTO ELECTRICAL CON NECTIONS SEE PAGE 27 M N A L B P D E Q F G DISCHARGE PIPE DO NOT CAP OR PLU...

Page 6: ...future users of this water heater will need it for future reference Service to the FVIR System should only be performed by a qualified technician Examples of a qualified technician include licensed pl...

Page 7: ...ignition sources have been extinguished Fire or Explosion Hazard WARNING Read instruction manual before installing using or servicing water heater Improper use may result in fire or explosion Maintain...

Page 8: ...ply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the metal drain pan that trigger an alarm or turn off the incoming water to the water heater when water...

Page 9: ...PPLY WARNING Use a new CSA approved gas supply line Install a shut off valve Do not connect a natural gas water heater to an L P gas supply Do not connect an L P gas water heater to a natural gas supp...

Page 10: ...these instructions can result in death explosion or carbon monoxide poisoning Explosion Hazard Gas Pipe Capacity Table WARNING Explosion Hazard Gas leaks can not always be detected by smell Gas suppl...

Page 11: ...y a qualified technician using the installation instructions Examples of a qualified technican include gas technicians authorized gas company personel and authorized service persons Failure to so do c...

Page 12: ...for ventilation and combustion air supply openings consideration must be given to the blocking effect of protection louvers grilles and screens These devices can reduce airflow which in turn may requi...

Page 13: ...or use on this water heater U L recognized fuel gas and carbon monoxide CO detectors are recommended in all applications and should be installed using the manufacturer s instructions and local codes r...

Page 14: ...assageway is clear and free of obstructions The chimney must be cleaned if previously used for venting solid fuel appliances or fireplaces Also consult local and state codes for proper chimney sizing...

Page 15: ...nder Closed System Thermal Expansion 5 Install a shut off valve in the cold water inlet line It should be located close to the water heater and be easily accessible Know the location of this valve and...

Page 16: ...or other chemicals must not be used Chemicals that may contaminate the potable water supply must not be added to the piping system Closed System Thermal Expansion As water is heated it expands thermal...

Page 17: ...ed into the T P valve discharge opening per the instructions manual 4 Locate the hot water outlet cold water inlet pipes to the water heater 5 Locate the slit running the length of a section of pipe i...

Page 18: ...tions for leaks Open the nearest hot water faucet and let it run for three 3 minutes to purge the water lines of air and sediment and to ensure complete filling of the tank The Electrical power may th...

Page 19: ...se review the following checklist and make any required installation upgrades or changes Questions Contact Residential Technical Assistance by referencing the phone number on the front of the Installa...

Page 20: ...performed 3 Set the ON OFF switch on the gas control to the OFF postition 2 6 This appliance is equipped with a device which automatically lights the burner DO NOT TRY TO LIGHT THE BURNER BY HAND This...

Page 21: ...operation when a call for heat is initiated The ignition control module will attempt to light the burner three times If the ignition control does not detect ignition it will enter lockout mode indica...

Page 22: ...hermostat see Figures 20 and 21 Using the lowest hot water temperature that meets your needs will also provide the most energy efficient operation of the water heater Never allow small children to use...

Page 23: ...the water heater cannot be used until the gas control valve thermostat is replaced by a qualified technician Contact your local dealer for service information losses and may satisfy your normal hot wa...

Page 24: ...s To drain the tank perform the following steps 1 Turn off the gas to the water heater at the manual gas shut off valve and turn off the electrical power to the gas control thermostat valve 2 Open a n...

Page 25: ...Manifold Burner Assembly 1 Turn off the gas supply to the water heater at the manual gas shut off valve This valve is typically located beside the water heater Note the position of the shut off valve...

Page 26: ...dirt it may be necessary to check the air intake chamber screen more frequently 2 Use a vacuum cleaner with a hose attachment to remove any dust or debris that may have accumulated on the screen FIGU...

Page 27: ...eater Refer to the section of Draining and Flushing section and follow the procedure 5 Disconnect the the flame sense hot surface igniter wire power supply transformer pressure switch fan and display...

Page 28: ...ABOVE 170 F 1 Defective air flow restrictor 2 Not enough dilution air to mix with flue gases in inlet elbow 3 Dilution air too hot for mixing with flue gases 4 Wrong burner orifice 1 Take unit out of...

Page 29: ...secondary air 2 Low gas pressure 3 Water heater flue or vent system blocked 4 Thermostat not functioning prop erly 5 Heater installed in a confined area 6 Burner flame yellow lazy 1 Provide ventilati...

Page 30: ...are within requirements in the installation manual Manifold gas pressure is non adjustable if pressure is off by more than 0 3 W C 75 Pa replace the lower control 2 Low supply voltage should be 115 12...

Page 31: ...oth terminals on pressure switch 4 Check pressure switch contacts with an ohmmeter for continuity A If pressure switch contacts show continuity closed circuit replace the pressure switch B If pressure...

Page 32: ...ing The self diagnostic test has detected the temperature sensor thermistor inside the immersion probe is shorted 1 Turn power off for 10 to 20 seconds then on again to clear this error code 2 This pa...

Page 33: ...DURING TRIAL FOR IGNITION IGNITOR TURNS OFF YES NO IS FLAME SENSE LOST IS REQUEST FOR HEAT SATISFIED GAS VALVE OFF COMBUSTION FAN OFF AFTER POST PURGE DELAY GAS VALVE CLOSES LESS THAN 3 TRIES FOR IGN...

Page 34: ...w Retainer Clip 16 Manifold Door Gasket 17 Viewport Assembly 18 FV Sensor 19 Outer Door 20 Electrical Transformer 21 Pressure Switch REPAIR PARTS ILLUSTRATION LEGEND Special anode rod see Anode Rod Wa...

Page 35: ...assembly which contains the manifold tube gasket manifold door manifold component block with retainer clip and flame sense hot surface igniter assembly Natural Gas Item 15 Contains manifold component...

Page 36: ...36 NOTES...

Page 37: ...37 NOTES...

Page 38: ...38 NOTES...

Page 39: ...niques for residential water heaters bearing a rating plate which has not been altered defaced or removed except as required by the warrantor used in an open system or in a closed system with a proper...

Page 40: ...M DOES NOT CONSTITUTE PROOF OF PURCHASE OR PROOF OF INSTALLATION DISCLAIMERS NO EXPRESSED WARRANTY HAS BEEN OR WILL BE MADE ON BEHALF OF THE WARRANTOR WITH RESPECT TO THE MERCHANTABILITY OF THE HEATER...

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