American Water Heater Gas Water heater Installation Instructions And Use & Care Manual

Ultra low nox gas water heater with the flame guard safety system
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Ultra Low Nox
Gas Water Heater
with the Flame Guard
Safety System
Installation
Instructions and
Use & Care Guide
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
Do not store or use gasoline or other
flammable 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.
INSTALLER:
AFFIX THESE INSTRUCTIONS TO OR ADJACENT
TO THE WATER HEATER.
OWNER:
RETAIN THESE INSTRUCTIONS AND WARRANTY
FOR FUTURE REFERENCE. RETAIN THE ORIGINAL
RECEIPT AS PROOF OF PURCHASE.
®
To obtain technical, warranty, or service assistance during or
after the installation of this water heater, visit our website at:
http://www.americanwaterheater.com
When calling for assistance, please have the following
information ready:
1. Model number
2. 7 digit product number
3. Serial number
4. Date of installation
5. Place of purchase
Table of Contents ......................................................
Made under license from Flame Guard Water Heaters, Inc.
or call toll free
1-800-999-9515
R
2
6510341
August 2007
1

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Summary of Contents for American Water Heater Gas Water heater

  • Page 1 Ultra Low Nox Gas Water Heater with the Flame Guard ® Safety System Installation Instructions and Made under license from Flame Guard Water Heaters, Inc. Use & Care Guide WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
  • Page 2: Table Of Contents

    Water Heater Safety ........1-2 Installing Your Gas Water Heater ......3-16 Unpacking the Water Heater .
  • Page 3: Installing Your Gas Water Heater

    A data plate identifying your water heater can be found next to the gas control valve/thermostat. When referring to your This gas water heater was manufactured to voluntary water heater, always have the information listed on the data safety standards to reduce the likelihood of a flammable plate readily available.
  • Page 4: Location Requirements

    Location Requirements WARNING WARNING Carbon Monoxide Poisoning Hazard Do not install in a mobile home. Doing so can result in death or carbon monoxide poisoning. Flammable Vapors FLAMMABLES The Flame Guard Safety System is designed to reduce ® the risk of flammable vapor-related fires. The patented system protects your family by trapping the burning vapors FIRE AND EXPLOSION HAZARD within the water heater combustion chamber through...
  • Page 5: Clearances And Accessibility

    IMPORTANT: The water heater should be located in Figure 1 Air-moving an area where leakage of the tank or connections Devices will not result in damage to the area adjacent to the water heater or to lower floors of the structure. Due to the normal corrosive action of the water, the tank will eventually leak after an extended period of time.
  • Page 6: Gas Supply

    Do not connect a natural gas water heater to local utility an L.P. gas supply. for minimum height 3” minimum Do not connect an L.P. gas water heater to a natural gas supply. Drip leg Failure to follow these instructions can Gas Pressure...
  • Page 7: Combustion Air Supply And Ventilation

    Table 1 Natural Gas Pipe Capacity Table (Cu. Ft./Hr.) Capacity of gas pipe of different diameters and lengths in cu. ft. per hr. with pressure drop of 0.3 in. and specific gravity of 0.60 (natural gas). Nominal Iron Pipe Length of Pipe, Feet Size, in.
  • Page 8: Unconfined Space

    Unconfined Space Figure 4 12” maximum Opening Locations- A water heater in an unconfined space uses indoor air for Confined Spaces combustion and requires at least 50 cubic feet for each 1,000 BTUH of the total input for all gas appliances. The table below shows a few examples of the minimum square Closet footage (area) required for various BTUH inputs.
  • Page 9: All Air From Outdoors

    All Air from Outdoors Gable vent to outdoors Outdoor fresh air can be provided to a confined area either Install above directly or by the use of vertical and horizontal ducts. The insulation fresh air can be taken from the outdoors or from crawl or attic spaces that freely communicate with the outdoors.
  • Page 10 Vent Pipe System Vent Pipe Size This water heater uses a non-direct, single-pipe vent It is important that you follow the guidelines in these system to remove exhaust gases created by the burning of instructions for sizing a vent pipe system. If a transition to fossil fuels.
  • Page 11: Chimney Connection

    Chimney Connection Listed Lined Chimney IMPORTANT: Before connecting a vent to a chimney, make sure the chimney passageway is clear and free of 2 ft. minimum above any obstructions. The chimney must be cleaned if previously object within10 ft. used for venting solid fuel appliances or fireplaces. Also horizontally 3 ft.
  • Page 12: Water System Piping

    Water System Piping 7. After piping has been properly connected to the water heater, remove the aerator at the nearest hot water Piping, fittings, and valves should be installed according to faucet. Open the hot water faucet and allow the tank the installation drawing (Figure 13).
  • Page 13 Closed System/Thermal Expansion Please note the following: • The system should be installed only with piping that is WARNING suitable for potable (drinkable) water such as copper, CPVC, or polybutylene. This water heater must not be installed using iron piping or PVC water piping. •...
  • Page 14: Relief Valve

    Temperature and Pressure IMPORTANT: Only a new temperature and pressure relief valve should be used with your water heater. Do not Relief Valve use an old or existing valve as it may be damaged or not adequate for the working pressure of the new water WARNING heater.
  • Page 15 Special Applications Some jurisdictions may require a backflow preventer in the incoming cold water line. This may cause the temperature Combination Space Heating/Potable and pressure relief valve on the water heater to discharge or weep due to expansion of the heated water. A Water System diaphragm-type expansion tank suitable for potable water Some water heater models are equipped with inlet/outlet...
  • Page 16: Installation Checklist

    Important Information About This Water Heater This gas water heater was manufactured to voluntary safety standards to reduce the likelihood of a flammable vapor ignition incident. The new technology used in meeting these standards makes this product more sensitive to installation errors.
  • Page 17: Operating Your Water Heater

    OPERATING YOUR WATER HEATER Lighting Instructions WARNING Read and understand these directions thoroughly before Explosion Hazard attempting to light or re-light the pilot. Make sure the viewport is not missing or damaged. (See Figure 23) Replace viewport if glass is Make sure the tank is completely filled with water before missing or damaged.
  • Page 18: Lighting Instructions

    White Rodgers Gas Valve - Lighting Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which is lighted by a C.
  • Page 19: Burner Flames

    Burner Flames IMPORTANT: Adjusting the thermostat past 120°F on the temperature dial will increase the risk of scald injury in the Inspect burner times shown below. Figure 18 flames through Flame Characteristics viewport. Time for Time for 1st Flames should Water Permanent Burns Degree Burn...
  • Page 20: Operational Conditions

    Operational Conditions A high temperature limit switch or ECO (Energy Cut Off) in the tank is used to shut off the unit if the water temperature Condensation exceeds 180°F (83°C). The ECO is a single-use switch, which, if activated, requires complete replacement of the Moisture from the products of combustion condenses on entire gas control valve/thermostat.
  • Page 21: Maintenance Of Your Water Heater

    MAINTENANCE OF YOUR WATER HEATER Draining and Flushing Temperature and Pressure Relief Valve It is recommended that the tank be drained and flushed every 6 months to remove sediment which may build up WARNING during operation. The water heater should be drained if being shut down during freezing temperatures.
  • Page 22: Replacement Parts

    Natural Gas Burner (Ultra Low Nox) Replacement Parts Check the burner to see if it is dirty or clogged. The burner IMPORTANT: The following maintenance procedures are may be cleaned with soft paint brush (Figure 24). Do not for the Flame Guard Safety System components and ®...
  • Page 23: Replacing The Thermocouple

    Replacing the Thermocouple External Inspection & Cleaning of the Flame-trap 1. Remove the Burner Door Assembly as directed previously. Although not likely to occur, if debris collects on the flame- 2. Remove the retainer clip from the back of the two trap, use a vacuum, compressed air, or a soft bristle brush piece wire connector and remove the two piece wire to remove it.
  • Page 24: Replacing The Burner Door Assembly

    Replacing the Burner Door Assembly 7/16” open end wrench will then be sufficient to seat the lockwasher. WARNING 7. Reconnect the igniter wire. 8. Turn gas supply on and refer to the “Lighting Instructions”. 9. Check for leaks by brushing on an approved noncorrosive leak detection solution.
  • Page 25: Troubleshooting Chart

    Removing and Replacing the Gas 6. To remove the gas valve, thread a correctly sized pipe into the inlet and use it to turn the gas valve Control Valve/Thermostat (counterclockwise.) Do not use pipe wrench or equivalent to grip body. Damage may result, causing IMPORTANT: The gas control valve/thermostat is a leaks.
  • Page 26 PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION PILOT WILL NOT REMAIN LIT 1. Air in gas line Bleed the air from the gas line Dirt in gas lines Notify utility-install dirt trap in gas line Pilot line or orifice clogged Clean, locate source and correct Thermocouple connection loose Finger tighten;...
  • Page 27 PILOT LIGHT TROUBLESHOOTING CHART Section A: Pilot light will not light. Section B: Pilot light will not remain lit or repeatedly goes out. Check the manual gas shut-off valve to Make sure the thermocouple is securely Is the gas turned on? Is the thermocouple securely see if it is in the open position, if it is open connected.
  • Page 28: Repair Parts Illustration

    REPAIR PARTS ILLUSTRATION Alternate anode location for top T&P Anode location for side T&P When ordering repair parts always give the following information: 1. Model, serial, and product number 2. Type of gas 3. Item number 4. Parts description Repair Parts List Item Parts Description DRAFT HOOD...
  • Page 29: Listed Parts Kits And Illustrations

    Item 17: Contains thermocouple Item 18: Contains piezoelectric igniter button Item 19: Contains flexible manifold tube Item #12 Item #13 Item #14 Item #17 Item #16 Item #15 Item #19 Item #18 Alternate Igniter © 2007 American Water Heater Company. All Rights Reserved.

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