State Water Heaters SHE 50 76N Instruction Manual
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State Water Heaters SHE 50 76N Instruction Manual

Series 100 commercial gas water heaters power vented gas models w/hot surface ignition
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www.statewaterheaters.com
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Technical Support 800-365-0024
Parts 800-821-2017
Low Lead Content
all technIcal and warrantY questIons: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
PRINTED 0810
coMMercIal Gas water heaters
Keep thIs Manual In the pocKet on heater for future reference
whenever MaIntenance adjustMent or servIce Is requIred.
power vented Gas Models w/hot surface IGnItIon
Model she 50 76n serIes 100
•

for Your safety

AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
1
Instruction Manual
•
197421-003

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Summary of Contents for State Water Heaters SHE 50 76N

  • Page 1: For Your Safety

    Keep thIs Manual In the pocKet on heater for future reference whenever MaIntenance adjustMent or servIce Is requIred. PRINTED 0810 power vented Gas Models w/hot surface IGnItIon Model she 50 76n serIes 100 • for Your safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER.

  • Page 2: Safe Installation, Use And Service

    safe InstallatIon, use and servIce The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard.

  • Page 3: General Safety Information

    General safetY InforMatIon...

  • Page 4: General Safety Information

    General safetY InforMatIon at least 18" (45.7 cm) above the floor. This will reduce, but not eliminate, the risk...

  • Page 5: Table Of Contents

    SAFE INSTALLATION, USE AND SERVICE... 2 APPROVALS ... 2 GENERAL SAFETY INFORMATION ... 3-4 TABLE OF CONTENTS ... 5 INTRODUCTION ... 5 Qualified Installer or Service Agency ... 5 Preparing for the Installation ... 5 INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS ... 6 TYPICAL INSTALLATION ...

  • Page 6: Installation Requirements For The Commonwealth Of Massachusetts

    InstallatIon requIreMents for the coMMonwealth of Massachusetts coMMonwealth of Massachusetts For all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of...

  • Page 7: Typical Installation

    Get to Know Your water heater - Gas Models a vent pipe B anode c hot water outlet D Outlet (120 VAC) f Gas supply G Main Manual Gas shut off valve h Ground joint union j dirt leg K outer door l union M Inlet water shut off valve n cold water Inlet...
  • Page 8 tYpIcal InstallatIon condensate hose and draIn pan FIGURE 1 (continued).

  • Page 9: Typical Installation

    MIXInG valve / therMal eXpansIon tanK usaGe and space heatInG MIXInG valves DANGER Water temperature over 125°F (52°C) can cause severe burns instantly resulting in severe injury or death. Children, the elderly and the physically or mentally disabled are at highest risk for scald injury.

  • Page 10: Rough In Dimensions

    rouGh-In-dIMensIons rough-In-dimensions Top/Side Inlet and Outlet: 3/4” NPT Gas Inlet: 1/2” NPT capacity and Gas and electrical characteristics All models - Maximum Supply Pressure: 14 inches W.C. (3.48kPa) Minimum Supply Pressure Natural Gas: 5.0 inches W.C. (1.24kPa) Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions. recovery capacities - u.s. Gallons/hr. and liters/hr. at temperature rise Indicated Recovery capacity based on 90% thermal efficiency.

  • Page 11: Locating The New Water Heater

    locatInG the new water heater facts to consIder aBout the locatIon Carefully choose an indoor location for the new water heater, because the placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance.

  • Page 12: Insulation Blankets

    in an alcove or closet, the entire floor must be covered by the panel. Failure to heed this warning may result in a fire hazard. Minimum clearances between water heater and combustible construction are 0 inch at the sides and rear, 5.5” (14.0 cm) from the front and 12” (30.5 cm) from top. (Standard clearance.) If clearances stated on the heater differ from standard clearances, install water heater according to clearances stated on the heater. Adequate clearance 24” (61.0 cm) for servicing this appliance should be considered before installation, such as changing the anodes, etc. A minimum clearance of 5.5” (14.0 cm) must be allowed for access to replaceable parts such as thermostats, drain valve, relief valve and condensate drain.

  • Page 13: Unconfined Space

    Such a condition often will result in a yellow, luminous burner flame, causing sooting of the combustion chamber, burners and flue tubes and creates a risk of asphyxiation. Do not install the water heater in a confined space unless an adequate supply of air for combustion and ventilation is brought in to that space using the methods described in the Confined Space section that follows.

  • Page 14: Outdoor Air Through Horizontal And Vertical Ducts

    Figure 7. The water heater shall have clearances of at least 1 inch (25 mm) from the sides and back and 6 inches (150 mm) from the front of the appliance. The opening shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces that freely communicate with the outdoors and shall have a minimum free area of the following: 1. 1 square inch per 3000 Btu/hr (700 mm rating of all appliances located in the enclosure, and...

  • Page 15: Installing The New Water Heater

    InstallInG the new water heater cheMIcal vapor corrosIon CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS. SUCH CORROSION MAY RESULT IN FAILURE AND RISK OF ASPHYXIATION. Spray can propellants, cleaning solvents, refrigerator and air conditioning refrigerants, swimming pool chemicals, calcium and sodium chloride (water softener salt), waxes, and process chemicals are typical compounds which are potentially corrosive.

  • Page 16: Thermal Expansion

    therMal eXpansIon As water is heated, it expands (thermal expansion). In a closed system the volume of water will grow when it is heated. As the volume of water grows there will be a corresponding increase in water pressure due to thermal expansion. Thermal expansion can cause premature tank failure (leakage). This type of failure is not covered under the limited warranty. Thermal expansion can also cause intermittent Temperature- Pressure Relief Valve operation: water discharged from valve due to excessive pressure build up.

  • Page 17: Temperature-Pressure Relief Valve

    discharge opening must not be blocked or reduced in size under any circumstances. Excessive length, over 30 feet (9.14 m), or use of more than four elbows can cause restriction and reduce the discharge capacity of the valve. No valve or other obstruction is to be placed between the Temperature-Pressure Relief Valve and the tank.

  • Page 18: Sediment Traps

    A gas line of sufficient size must be run to the water heater. Consult the current edition of National Fuel Gas Code (ANSI Z223.1/NFPA 54) or the Natural Gas and Propane Installation Code (CAN/CSA B149.1) and your gas supplier concerning pipe size. There must be: • A readily accessible manual shut off valve in the gas supply line serving the water heater, and • A drip leg (sediment trap) ahead of gas control valve to help prevent dirt and foreign materials from entering the gas control valve. • A flexible gas connector or a ground joint union between the shut off valve and control valve to permit servicing of the unit. Be sure to check all the gas piping for leaks before lighting the water heater. Use a soapy water solution, not a match or open flame. Rinse off soapy solution and wipe dry.

  • Page 19: Vent Pipe Assembly

    Never use this water heater unless it is completely full of water. To prevent damage to the tank, the tank must be filled with water. Water must flow from the hot water faucet before turning “ON” gas to the water heater. To fill the water heater with water: 1. Close the water heater drain valve by turning handle to the right (clockwise). The drain valve is on the lower front of water heater. 2. Open the cold water supply valve to the water heater. note: the cold water supply valve must be left open when the water heater is in use.

  • Page 20: Vent Pipe Termination

    terMInatIon clearances sIdewall power vent VENT TERMINAL Vent terminal clearances for “Power Vent” installations. Power Vent configurations use room air for combustion. canadIan InstallatIons Clearance above grade, veranda, porch, deck or 12 inches (30 cm) balcony 6 inches (15 cm) for appliances up to 10,000 Btu/hr (3 kW), 12 inches (30 Clearance to window cm) for appliances between 10,000 or door that may be Btu/hr (3 kW) and 100,000 Btu/hr (30 opened kW), 36 inches (91 cm) for appliances...

  • Page 21: Planning The Vent System

    plannInG the vent sYsteM Plan the route of the vent system from the discharge of the blower to the planned location of the vent terminal. Refer to VAA instruction on page 26 while planning the vent system. 1. Layout total vent system to use a minimum of vent pipe and elbows. 2. This water heater is capable of venting flue gases equivalent to 25’ (7.6 m) of 2” pipe, 65’ (19.8 m) of 3” pipe, or 128’ (39.0 m) of 4” pipe as listed in Table 1.

  • Page 22: Condensate

    The condensate trap may be primed by filling the CONDENSATE U-ASSEMBLY with tap water while the water heater is not operating. The system is fully primed when the water level reaches the adaptor connected into the Tee. In most installations the water heater will self-prime the condensate trap during the first full heat-up cycle. If a sound of air bubbling through water (gurgling) is heard while the blower is operating after the first heat-up cycle, then turn the unit off and contact your plumber or service representative. If these instructions are not followed, the condensate build-up will block the exhaust outlet, which will cause improper operation.
  • Page 23 may be easier to mark both the inside and outside wall. Align holes by drilling a hole through center of the template from the inside through to the outside. The template can now be positioned on the outside wall using the drilled hole as a centering point for the template. 3. A) MASONRY SIDE WALLS Chisel an opening approximately one half inch (1.3 cm) larger than the marked circle.

  • Page 24: Installation Of Vent System, Sidewall

    InstallatIon of vent sYsteM, sIdewall With the route of the venting system and selection of materials completed, as discussed in the section of this manual titled PLANNING THE VENT SYSTEM, the through the wall vent terminal in place and the first section of piping, up to first elbow, installed at the blower it is time to complete the installation of the venting system for the sidewall installation. SNORKEL *MIN.

  • Page 25: Vent Attenuation Assembly Installation Instructions

    vent attenuatIon asseMBlY InstallatIon InstructIons The Vent Attenuation Assembly (VAA) is designed to provide a reduction in fan noise created in the blower wheel. This installation of this VAA is optional. Review directions thoroughly prior to installing the new VAA. Please contact the manufacturer of the water heater as shown in the instruction manual with any questions or for additional product support.
  • Page 26 barb, use a wire tie or hose clamp (not supplied with kit) and secure. 6. Take the other end of the flexible tubing and slide it through the hose clamp on the jacket top cover and install it into one of the four barb fittings in vent pipe assembly #2.

  • Page 27: Vent Pipe Preparation

    vent pIpe preparatIon 1. InItIal preparatIon Make sure the solvent cement you are planning to use is designed for the specific application you are attempting. Know the physical and chemical characteristics and limitations of the PVC and CPVC piping materials that you are about to use. Know the reputation of your manufacturer and their products. D. Know your own qualifications or those of your contractor. The solvent welding technique of joining PVC and CPVC pipe is a specialized skill just as any other pipe fitting technique.
  • Page 28 B. deburring Use a knife, plastic pipe deburring tool, or file to remove burrs from the end of small diameter pipe. Be sure to remove all burrs from around the inside as well as the outside of the pipe. A slight chamfer (bevel) of about 10°-15° should be added to the end to permit easier insertion of the pipe into the end of the fitting. Failure to chamfer the edge of the pipe may remove cement from the fitting socket, causing the joint to leak. step B C. Test dry fit of the joint Tapered fitting sockets are designed so that an interfaced fit should occur when the pipe is inserted about 1/3 to 2/3 of the way into the socket. Occasionally, when pipe fitting dimensions are at the tolerance extremes, it will be possible to fully insert dry pipe to the bottom of the fitting socket. When this happens, a sufficient quantity of cement...

  • Page 29: Lighting & Operating Label

    for Your safetY read Before operatInG warnInG: explosion may result causing property damage, personal injury or loss of life. Before operatInG: entIre sYsteM Must Be fIlled wIth water and aIr purGed froM all lInes. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner.

  • Page 30: Temperature Regulation

    teMperature reGulatIon It is recommended that lower water temperatures be used to avoid the risk of scalding. It is further recommended, in all cases, that the water temperature be set for the lowest temperature which satisfies your hot water needs. This will also provide the most energy efficient operation of the water heater. Short repeated heating cycles caused by small hot water uses can cause temperatures at the point of use to exceed the thermostat setting by up to 20°F (11°C). If you experience this type of use you should consider using lower temperature settings to reduce scald hazards.

  • Page 31: For Your Information

    start up condItIons sMoKe/odor It is not uncommon to experience a small amount of smoke and odor during the initial start-up. This is due to burning off of oil from metal parts, and will disappear in a short while. stranGe sounds Possible noises due to expansion and contraction of some metal parts during periods of heat-up and cool-down do not necessarily represent harmful or dangerous conditions.

  • Page 32: Periodic Maintenance

    ventInG sYsteM InspectIon At least once a year a visual inspection should be made of the venting system. You should look for: 1. Obstructions which could cause improper venting. The combustion and ventilation air flow must not be obstructed. 2. Damage or deterioration which could cause improper venting or leakage of combustion products.

  • Page 33: Temperature-Pressure Relief Valve Test

    The anode rod is used to protect the tank from corrosion. Most hot water tanks are equipped with an anode rod. The submerged rod sacrifices itself to protect the tank. Instead of corroding tank, water ions attack and eat away the anode rod. This does not affect water’s taste or color. The rod must be maintained to keep tank in operating condition. Anode deterioration depends on water conductivity, not necessarily water condition.

  • Page 34: Service

    servIce If a condition persists or you are uncertain about the operation of the water heater contact a service agency. Use this guide to check a “Leaking” water heater. Many suspected “Leakers” are not leaking tanks. Often the source of the water can be found and corrected. If you are not thoroughly familiar with gas codes, your water heater, and safety practices, contact your gas supplier or qualified installer to check the water heater. Read this manual first. Then before checking the water heater make sure the gas supply has been turned “OFF”, and never turn the gas “ON” before the tank is completely full of water.

  • Page 35: Troubleshooting Guidelines

    trouBleshootInG GuIdelInes Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL led status B c d e f Inadequate or no earth ground sensed by the Intelli-Vent™ control. Power supply to Intelli-Vent™ B c d e f control has reversed polarity or a high resistance to earth ground.

  • Page 36: Trouble Shooting

    trouBleshootInG GuIdelInes Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL LED STATUS Ignition/flame failure. B C D E F The water heater has reached the maximum number of retries and is currently locked out for one hour. Cycle the power to the water heater off and on to reset.
  • Page 37 trouBleshootInG GuIdelInes Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL LED STATUS B C D E F The self-diagnostic test determined resistance of the black resistor wire on ignitor assembly plug is not within tolerance. Air pressure switch circuit is opening B C D E F repeatedly during one heating cycle.

  • Page 38: Troubleshooting Guidelines

    trouBleshootInG GuIdelInes trouBleshootInG GuIdelInes These guidelines should be utilized by a qualified service agent.

  • Page 39: Limited Warranty

    State Industries, Inc., the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1. THE TANK If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the first THREE years after initial installation, the warrantor will supply a complete new State water heater of equivalent size and current model.
  • Page 40 www.statewaterheaters.com 500 Tennessee Waltz Parkway Ashland City, TN 37015 Technical Support 800-365-0024 Parts 800-821-2017...

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