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®
Ultra Low Nox
Gas Water Heater
with the Flame Lock™
Safety System
Installation
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
Instructions and
damage, personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the Use & Care Guide
vicinity of this or any other appliance.
To obtain technical, warranty, or service assistance during or after
the installation of this water heater,
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WATER HEATER SAFETY Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others. All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING.” These words mean: You can be killed or seriously injured if you don’t immediate
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INSTALLING YOUR GAS WATER HEATER installed in accordance with Massachusetts Plumbing and Important Information About Fuel Gas Code 248 CMR Section 2.00 and 5.00. A data plate identifying your water heater can be found next This Water Heater 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 availab
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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. FLA M M A B LES Flammable Vapors The Flame Lock™Safety System is designed to reduce the risk of flammable vapor-related fires. The patented system protects your family by trapping the burning vapors within the water heater combustion chamber through the special FIRE AND EXPLOSION HAZARD flame-trap. The burning vapors literally “bu
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Figure 1 IMPORTANT: The water heater should be located in 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. Also any external plumbing leak, including those from Exhaust improper installation, may cause early failure of the tank Fan due to corrosion if not
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3. Install a ground joint union between the gas control Gas Supply valve/thermostat and the manual shut-off valve. This is to allow easy removal of the gas control valve/ thermostat. WARNING 4. Turn the gas supply on and check for leaks. Test all connections by brushing on an approved noncorrosive leak-detection solution. Bubbles will show a leak. Correct any leak found. Figure 3 Gas Piping Manual Gas Explosion Hazard Shut-off Valve Use a new CSA approved gas supply line. Ground Joint Insta
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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. 10 20 30 40 50 60 70 80 90 100 125 150 175 200 1/2 132 92 73 63 56 50 46 43 40 38 34 31 28 26 3/4 278 190 152 130 115 105 96 90 84 79 72 64 59 55 1 520 350 285 245 215 195 180 170 160 150 130 120 110 100 1-1/4 1050 730 590 500 440 400 370 350 320 3
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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 or footage (area) required for various BTUH inputs. Permanent other openings to confined Table 2 the outside or space additional Minimum Square rooms within BTUH Typical Room the building Fe
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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. Attic or crawl spaces cannot be closed and must be properly ventilated to the outside. Confined Outlet Space air to attic Ductwork must be of the same cross-sectional area as 1 Sq. inch pe
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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. Air for combustion is taken from the immediate a larger vent size is required, the vent transition connection water heater location or is ducted in from the outside (see must be made at the draft hood outlet. “Combustion
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Listed Lined Chimney Connection 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. minimum consult local and state codes for proper chimney sizing * and application or, in the absence of local and state codes, the “National Fue
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7. After piping has been properly connected to the water Water System Piping 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). If the indoor installation to completely fill with water. To purge the lines of area is subject to freezing temperatures, the water piping any excess air, keep the hot water faucet open for must be protected by
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Please note the following: Closed System/Thermal Expansion • The system should be installed only with piping that is suitable for potable (drinkable) water such as copper, WARNING CPVC, or polybutylene. This water heater must not be installed using iron piping or PVC water piping. • Use only pumps, valves, or fittings that are compatible with potable water. • Use only full flow ball or gate valves. The use of valves that may cause excessive restriction to water flow is Explosion Hazard no
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IMPORTANT: Only a new temperature and pressure Temperature and Pressure relief valve should be used with your water heater. Do not use an old or existing valve as it may be damaged or not Relief Valve adequate for the working pressure of the new water heater. Do not place any valve between the relief valve WARNING and the tank. The Temperature & Pressure Relief Valve: • Must not be in contact with any electrical part. • Must be connected to an adequate discharge line. • Must not be rated
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Some jurisdictions may require a backflow preventer in the Special Applications incoming cold water line. This may cause the temperature and pressure relief valve on the water heater to discharge Combination Space Heating/Potable 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 will normally eliminate this weeping condition. Please tappings for use with space heatin
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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. Please review the following checklist and make any required installation upgrades or changes. Questions? Call 1-877-817-6750. Installation Checklist Water Heater Location □ Fresh air supply free of corrosive
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F N F N O I N T A O C I A T P A V C A O I V L O N T T M W H R A E M N A W O R I T R T I U LIGHTING A E UNITROL WA I G BEFORE RN N READ ALL INSTRUCTIONS S N H K A W R P O O O I O C F O I I N T 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 fil
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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. This appliance has a pilot which is lighted by a Use only your hand to push in or turn the gas control piezoelectric igniter. When lighting the pilot, follow these knob. Never use tools. If the knob will not push in or instructions exactly. move by hand, don’t try
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N O I T A C A V T W H E M A R R T I A E S N H K W R O O O I F I N T IMPORTANT: Adjusting the thermostat past 120°F on the Burner Flames 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 be very small Temperature °F 2nd & 3rd Degree Correct flame (Less Severe Burns) soft blue with a blue (Most Severe Burns) haz
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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 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. If the ECO should the tank surface and the outside jacket of the water heater activate, the water heater cannot be used until the ga
