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

Gas water heater with the flame guard safety system
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Enlarged version
Gas Water Heater
with the Flame Guard
Safety System
Installation
Instructions and
Use & Care Guide
NATURAL GAS MODELS ONLY
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
December 2005
R
2
6510366
1

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Summary of Contents for American Water Heater Gas Water Heater

  • Page 1: Water Heater Safety

    Gas Water Heater with the Flame Guard ® Safety System Installation Instructions and Use & Care Guide Made under license from Flame Guard Water Heaters, Inc. NATURAL GAS MODELS ONLY 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

    This appliance can cause low-level exposure to some of the substances listed, including formaldehyde, carbon monoxide, and soot. Table Of Contents PAGE Water Heater Safety ................1-2 Installing Your Gas Water Heater ............3-16 Unpacking the Water Heater............3 Location Requirements..............4 Gas Supply ..................6 Combustion Air Supply and Ventilation........... 7 Water System Piping ..............

  • Page 3: Installing Your Gas Water Heater

    INSTALLING YOUR GAS WATER HEATER Unpacking the Water Heater Consumer Information This water heater is design-certified by CSA International as a Category I, non-direct vented water heater which takes its combustion air either from the installation area or from air ducted to the unit from the outside.

  • Page 4: Location Requirements

    Location Requirements The Flame Guard® Safety System is designed to reduce the risk of flammable vapor-related fires. The patented FLAMMABLES Flammable Vapors system protects your family by trapping the burning vapors within the water heater combustion chamber through the special flame-trap. The burning vapors literally “burn FIRE AND EXPLOSION HAZARD themselves out”...

  • 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 will Devices 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

    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 result in death, explosion, or carbon Gas Pressure monoxide poisoning.

  • 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 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 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

    7. After piping has been properly connected to the water Water System Piping heater, remove the aerator at the nearest hot water faucet. Open the hot water faucet and allow the tank to Piping Installation completely fill with water. To purge the lines of any ex- Piping, fittings, and valves should be installed according to cess air, keep the hot water faucet open for 3 minutes the installation drawing (Figure 13).
  • Page 13 Please note the following: Closed System/Thermal Expansion DO NOT install this water heater with iron piping. The Periodic discharge of the temperature and pressure relief system should be installed only with piping that is valve may be due to thermal expansion in a closed water suitable for potable (drinkable) water such as copper, supply system.

  • Page 14: Temperature And Pressure Relief Valve

    Temperature and Pressure The Temperature & Pressure Relief Valve: • Must not be in contact with any electrical part. Relief Valve • Must be connected to an adequate discharge line. • Must not be rated higher than the working pressure shown on the data plate of the water heater.

  • Page 15: Special Applications

    Some jurisdictions may require a backflow preventer Special Applications in the incoming cold water line. This may cause the temperature and pressure relief valve on the water heater Combination Space Heating/Potable to discharge or weep due to expansion of the heated water. Water System A diaphragm-type expansion tank suitable for potable water will normally eliminate this weeping condition.

  • Page 16: Installation Checklist

    Your Water Heater Water Heater Location □ This gas water heater was manufactured to voluntary Centrally located with the water piping system. Located safety standards to reduce the likelihood of a flammable as close to the gas piping and vent pipe system as vapor ignition incident.

  • 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 missing Make sure the tank is completely filled with water before or damaged.

  • Page 18: Checking The Draft

    Checking the Draft Water Temperature Regulation Burn Hazard Do not touch vent. Doing so can result in burns. After successfully lighting the water heater, allow the unit to operate for 15 minutes and check the drafthood relief Water temperature over 125°F can cause opening for proper draft.

  • Page 19: Operational Conditions

    A high temperature limit switch or ECO (Energy Cut Off) in Operational Conditions 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 and Condensation requires complete replacement of the entire thermostat. Moisture from the products of combustion condenses on If the ECO should function, the water heater cannot be the tank surface and the outside jacket of the water heater...

  • Page 20: Maintenance Of Your Water Heater

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

  • Page 21: Replacement Parts

    Replacement Parts Removing the Burner from the Manifold Assembly The following maintenance procedures are for the Flame Guard ® Safety System components and should Natural Gas Burner (Low Nox) be performed by a qualified service technician. 1. Take off the burner by removing the two (2) screws Replacement parts may be ordered through your plumber located underneath the burner.

  • Page 22: Replacing The Thermocouple

    Replacing the Thermocouple External Inspection & Cleaning of the Flame-trap 1. Remove the manifold assembly as directed previously. 2. Remove the retainer clip from the back of the two piece Although not likely to occur, if debris collects on the flame- wire connector and remove the two piece wire connec- trap, use a vacuum, compressed air, or a soft bristle brush tor from the manifold door (Figure 25).

  • Page 23: Piezoelectric Igniter System

    Figure 28A Combustion Chamber Flame-trap Bracket Door Gasket Explosion Hazard Tighten both manifold door screws securely. Remove any fiberglass between the door Figure 28B gasket and combustion chamber. Close-up inside view of Manifold Assembly the combustion chamber. Replace viewport if glass is missing or Close-up damaged.

  • Page 24: Troubleshooting Chart

    pipe into the inlet and use it to turn the gas valve Removing and Replacing the Gas (counterclockwise.) Do not use pipe wrench or Control Valve/Thermostat equivalent to grip body. Damage may result, causing leaks. Do not insert any sharp objects into the inlet or IMPORTANT: The gas control valve/thermostat is a standard outlet connections.
  • Page 25 PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION HIGH OPERATION COSTS Thermostat set too high Set temperature dial to lower setting Sediment or lime in tank Drain/flush-provide water treatment if needed Water heater too small for job Install adequate heater Wrong piping connections Correct piping-dip tube must be in cold inlet Leaking faucets Repair faucets...

  • Page 26: Troubleshooting Chart

    PILOT LIGHT TROUBLESHOOTING CHART Check Draft. (See Checking the Does pilot light go out Draft section of this manual.) when button is released? Test the thermocouple using the following procedure: Disconnect the thermocouple Are the wires from the gas Has the thermal switch Secure connections from the gas control valve/thermostat.

  • Page 27: 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.

  • Page 28: Listed Parts Kits And Illustrations

    (Natural Gas/Low Nox) Item 15: Contains two piece wire connector and retainer clip Item 16: Contains manifold door gasket Item 17: Contains viewport Item 18: Contains thermocouple Item 19: Contains piezoelectric igniter © 2005 American Water Heater Company. All Rights Reserved.
  • Page 29 Contains two piece wire connector with retainer clip, and pilot assembly Item 19: Contains manifold door gasket Item 20: Contains viewport Item #11 Item #12 Item # 14 Item #17 Item #16 Item # 15 Item #18 Item #20 Item #19 © 2004 American Water Heater Company. All Rights Reserved.

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