A.O. Smith XVRL-40 Installation Instructions And Use & Care Manual Download Page 34 | Manualshive

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Summary of Contents for XVRL-40

Page 1: ...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 su...

Page 2: ...17 Combination Space Heating Potable Water System 17 18 Solar Installation 18 Important Information About this Water Heater 19 Operating Your Water Heater 20 25 White Rodgers Gas Valve Thernostat Ligh...

Page 3: ...standing of this instruction manual Service Agency A service agency also must have ability equivalent to a licensed tradesman in the fields of plumbing air supply venting and gas supply including a th...

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: ...TALL PER LOCAL CODES INSTALL THERMAL EXPANSION TANK OR DEVICE IF WATER HEATER IS INSTALLED IN A CLOSED WATER SYSTEM M N L E P X Y MANIFOLD TUBE IGNITER WIRE MAIN BURNER PILOT TUBE THERMOCOUPLE IGNITER...

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: ...the area of the water heater leave the area immediately and call the fire department from a neighbor s home Do not attempt to clean the spill until all ignition sources have been extinguished Fire or...

Page 8: ...sed in conjunction with a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the drain p...

Page 9: ...ural gas water heater to an L P gas supply Do not connect an L P gas water heater to a natural gas supply Failure to follow these instructions can result in death explosion or carbon monoxide poisonin...

Page 10: ...in the occurrence of a leak in the system the gas will settle at floor level Basements crawl spaces closets and areas below ground level will serve as pockets for the accumulation of gas Before lighti...

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: ...e typical examples of each method Louvers and Grilles In calculating free area for ventilation and combustion air supply openings consideration must be given to the blocking effect of protection louve...

Page 13: ...ed by CSA International this certification applies to the vent damper device only and does not mean they are certified for use on this water heater U L recognized fuel gas and carbon monoxide CO detec...

Page 14: ...y 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 and appl...

Page 15: ...as specified under 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...

Page 16: ...he use of valves that may cause excessive restriction to water flow is not recommended Use only 95 5 tin antimony or other equivalent solder Any lead based solder must not be used Piping that has been...

Page 17: ...se with space heating applications If this water heater is to be used to supply both space heating and domestic potable drinking water the instructions listed below must be followed Temperature and Pr...

Page 18: ...s previously used with non potable water heating appliances when used to supply potable water Some jurisdictions may require a backflow preventer in the incoming cold water line This may cause the tem...

Page 19: ...lation upgrades or changes Questions Contact Residential Technical Assistance by referencing the phone number on the water heater Installation Checklist Water Heater Location Water heater location is...

Page 20: ...thermostat to lowest setting PILOT LIGHTING Turn thermostat dial fully clockwise until it stops Push the gas control knob down slightly and turn clockwise to OFF SEE FIGURE A NOTE Knob cannot be turn...

Page 21: ...ve the pilot through the view port Do not release the reset button Repeat immediately if pilot does not light on the first try If the pilot does not light by the fourth attempt with the igniter repeat...

Page 22: ...ur hot water needs a means such as a mixing valve should be used at the hot water taps used by these people or at the water heater Mixing valves are available at plumbing supply or hardware stores see...

Page 23: ...limit switch or ECO Energy Cut Off in the tank is used to shut off the unit if the water temperature exceeds 180 F 83 C The ECO is a single use switch which if activated requires complete replacement...

Page 24: ...the Repair Parts Illustration section for anode rod location TEFLON is a registered trademark of E I Du Pont De Nemours and Company Draining and Flushing It is recommended that the tank be drained an...

Page 25: ...arts IMPORTANT The following maintenance procedures are for the FVIR System components and should be performed by a qualified technician Replacement parts may be ordered through your plumber or the lo...

Page 26: ...g the Pilot Pilot Tube Assembly 1 Remove the manifold burner assembly See Removing the Burner from the Manifold Burner Assembly 2 Lift the retainer clip straight up from the back of the two piece wire...

Page 27: ...FILTER FIGURE 29 3 Reassemble following the procedure under Replacing the Manifold Burner Assembly Replacing the Manifold Burner Assembly WARNING Explosion Hazard Tighten both manifold door screws se...

Page 28: ...table thermal switch installed Do not attempt to disable or modify this feature in any way Use only factory authorized replacement parts Removing the Gas Valve 1 Turn off the gas supply to the water h...

Page 29: ...ection 6 Manifold door screws securely tightened 7 Depress the button on the thermal switch TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSE S CORRECTIVE ACTION BURNER WILL NOT IGNITE 1 Pilot not lit 2 Th...

Page 30: ...inlet 8 Advise customer DRIP FROM RELIEF VALVE 1 Excessive water pressure 2 Heater stacking 3 Closed water system 1 Use a pressure reducing valve and relief valve 2 Lower the thermostat setting 3 See...

Page 31: ...nt termination height Refer to the Installation Instructions section of this manual for specific requirements NO Is the pilot tube damaged NO Does the flame arrestor show signs of discoloration and or...

Page 32: ...UE BAFFLE 4 HEAT TRAP NIPPLES COLD SOME MODELS 5 HEAT TRAP NIPPLES HOT SOME MODELS 6 COLD WATER DIP TUBE 7 ANODE ROD 8 TEMPERATURE PRESSURE RELIEF VALVE LOCATED TOP OR SIDE 9 DRAIN VALVE 10 GAS CONTRO...

Page 33: ...sket door pilot tube thermocouple two piece wire connector with retainer clip thermal switch and pilot assembly Natural Gas Low Nox Item 17 Manifold door assembly which contains the manifold tube gask...

Page 34: ...34 NOTES...

Page 35: ...on location in the United States its territories or possessions and Canada sized in accordance with proper sizing techniques for residential water heaters bearing a rating plate which has not been alt...

Page 36: ...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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