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instruction manual
commercial gas water heaters
models sBd85500ne &
sBd85500pe
series 120/121
installation - operation - ser Vice
500 Tennessee Waltz Pkwy
- maintenance - limited warranty
Ashland City, TN 37015
ASME CRN
Low Lead Content
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
vicinit
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t aBle of contents sAFE INsTALLATIoN, UsE AND sERVICE ........................................3 Outdoor Air Through Two Vertical Ducts ........................................17 APPRoVALs ........................................................................................3 Air From Other Indoor Spaces .......................................................17 GENERAL sAFETy INFoRMATIoN ....................................................4 Technical Data Venting ...............................
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safe installation, use and ser Vice 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. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others wh
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general safety information Fire or Explosion Hazard Fire Hazard Do not store or use gasoline or other flammable vapors and For continued protection against liquids in the vicinity of this or any other appliance. risk of fire: Avoid all ignition sources if you smell gas. Do not install water heater on Do not expose water heater controls to excessive gas carpeted floor. pressure. Do not operate water heater if Use only the gas shown on the water heater rating label. flood damaged. Maintain require
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general safety information Read and understand this instruction Explosion Hazard manual and the safety messages herein before installing, operating or servicing this water heater. Overheated water can cause water tank explosion. Failure to follow these instructions and safety messages could result in death Properly sized temperature and or serious injury. pressure relief valve must be This manual must remain with the installed in the opening provided. water heater. Water temperature over 125°F (
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introduction Thank You for purchasing this water heater. Properly installed below) in the field involved. Installation skills such as plumbing, and maintained, it should give you years of trouble free service. air supply, venting, gas supply and electrical supply are required in addition to electrical testing skills when performing service. aBBreViations used Abbreviations found in this Instruction Manual include : ansi Z223.1 2006 sec. 3.3.83: “Qualified Agency” - “Any individual, firm, cor
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features and components the hydro cannon (self-cleaning system) electronic ignition control These units include The Hydro Cannon (Self-Cleaning System) Each heater is equipped with an ignition module. The solid state installed in the front water inlet, See Figure 1. The Hydro Cannon ignition control (Figure 3), ignites the main burner by utilizing a inlet tube can only be used in the front water inlet connection. Do silicon nitride igniter. The silicon nitride igniter shuts off during not ins
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installation considerations rough in dimensions recoVery capacities gas and electrical characteristics front View Back View top top outlet f inlet 1 1/2” npt 1 1/2” npt top View figure 5 taBle 1. rough-in-dimensions Connections Dimensions in Inches/cm Approx. Ship Weight Input Rate Approximate Inlet (NPT) Outlet (NPT) Model Btu/hr Tank Cap Gas Vent Std. AsME kw/hr G/L A B C D E F Inlet h Dia J Top Front Back Top Front Back Lbs/ Lbs/ G I Kgs. Kgs. sBD85500NE/ 500,000 85 81.50 17.50 77.25 67.5
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installation considerations Is NoT sUBJECT T o PhysICAL DAMAGE By A MoVING locating the w ater heater VEHICLE. flammaBle items, PREssURIZED CoNTAINERs oR ANy CAUTION oThER PoTENTIAL FIRE hAZARDoUs ARTICLEs MUsT NEVER BE PLACED ON OR ADJACENT TO THE HEATER. Property Damage Hazard oPEN CoNTAINER s oR FLAMMABLE MATERIAL shoULD NoT BE sT oRED oR UsED IN ThE sAME RooM WITh ThE All water heaters eventually leak. • HEATER. ThE hEATER MUsT NoT BE LoCATED IN AN AREA WhERE • Do not install without
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insulation Blanket Breathing Hazard - Carbon Monoxide Gas Do not obstruct water heater air intake with insulating blanket. Gas and carbon monoxide detectors are available. Install water heater in accordance with the instruction manual. Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual. Insulation blankets are available to the general public for external use on gas water heaters but are not necessary with these products. The purpose of an i
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See the Circulation Pump Wiring Diagrams (Figure 8, Figure 9) in this manual for electrical hookup information. Install in accordance with the current edition of the National Electrical Code, NFPA 70 or the Canadian Electrical Code, CSA C22.1. Breathing Hazard - Carbon Monoxide Gas All-bronze circulators are recommended for used with commercial Under no circumstances should water heaters. the input exceed the rate shown Some circulating pumps are manufactured with sealed bearings on the wate
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installation reQuirements gas pressure reQuirements water temperature control and mixing Val Ves Water temperature over 125°F (52°C) Natural gas models require a minimum gas supply pressure of can cause severe burns instantly 4.5” W.C. Propane gas models require a minimum gas supply resulting in severe injury or death. pressure of 11" W.C. The minimum supply pressure is measured Children, the elderly and the while gas is not flowing (static pressure) AND while gas is flowing physically or me
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A properly sized thermal expansion tank must be installed on all closed systems to control the harmful effects of thermal HOT WATER expansion. Contact a local plumbing service agency to have a OUTLET thermal expansion tank installed. 12” TO 15” See Water Line Connections on page 19 and the Water Piping (30-38 cm) Diagrams beginning on page 34. TEMPERED WATER temperature-pressure relief Val Ve OUTLET CHECK COLD VALVE WATER Explosion Hazard INLET MIXING CHECK VALVE Temperature-Pressure Relief
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No valve or other obstruction is to be placed between the If you do not understand these instructions or have any questions Temperature-Pressure Relief Valve and the tank. Do not connect regarding the Temperature-Pressure Relief Valve call the toll free discharge piping directly to the drain unless a 6” (15.2 cm) number listed on the back cover of this manual for technical air gap is provided. To prevent bodily injury, hazard to life, or assistance. property damage, the relief valve must be a
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Never obstruct the flow of ventilation air. If you have any doubts through the water heater’s vent system causing poor combustion. or questions at all, call your gas supplier. Failure to provide the Sooting, serious damage to the water heater and the risk of fire proper amount of combustion air can result in a fire or explosion or explosion may result. It can also create a risk of asphyxiation. and cause property damage, serious bodily injury or death. louVers and grilles unconfined space The
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vent with an oil burning furnace, the vent pipe should enter outdoor air through one opening the smaller common vent or chimney at a point above the large vent pipe. multiple heater manifold Figure 13 and Table 7 should be used for horizontally manifolding two or more heaters. figure 15 Alternatively a single permanent opening, commencing within 12 inches (300 mm) of the top of the enclosure, shall be provided. See Figure 15. The water heater shall have clearances of at least 1 inch (25 mm
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When ducts are used, they shall be of the same cross sectional outdoor air through two Vertical ducts area as the free area of the openings to which they connect. The illustrations shown in this section of the manual are a The minimum dimension of rectangular air ducts shall be not less reference for the openings that provide fresh air into confined than 3 inches. spaces only. air from other indoor spaces do not refer to these illustrations for the purpose of vent installation. See Venting
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taBle 7. technical data Venting type B gas Vent multiple gas fired t ank-t ype heaters When venting multiple tank type heaters using Type B vent pipe, follow the installation diagram (figure 13) and tables below which give sizing and data based upon NFPA 54/ANSI Z223. 2006. model 500 input: 500,000 btu/hr Total Vent Height (Feet) Vent connector size: 8 inches 6 8 10 15 20 30 50 100 Input (btu/hr) Rise Vent Connector Diameter (Inches) 500,000 1 Ft. - 10 10 10 9 8 8 7 500,000 2 Ft. 10 10 10 9
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water heater installation This water heater is provided with a properly rated/sized and water line connections certified combination temperature - pressure (T&P) relief valve This manual provides detailed installation diagrams (see pages by the manufacturer. See Temperature-Pressure Relief Valve 34-48 of this manual) for typical methods of application for the on pages 13-14 for information on replacement and other water heater(s). requirements. water (potaBle) heating and space heating 1.
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installation diagrams - t op inlet/o utlet usage code restrictions Use of the top inlet water connection requires installation of an Use of the top inlet water connection is not permitted on inlet dip tube (refer to figure 19). The tube is supplied in the installations in the state of North Carolina, due to the material heater. Follow caution labels if applying heat to this fitting. Do of the tube (Polypropylene). Where such code restrictions exist, not allow pipe dope to contact the plast
