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Instruction Manual
coMMercIal Gas water heaters
power vented Gas Models w/hot surface IGnItIon
Model he 50 76n serIes 100
www.reliancewaterheaters.com
500 Tennessee Waltz Parkway
Ashland City, TN 37015
Technical Support 800-365-4054
Parts 800-821-2017
Low Lead Content
• for Your safety •
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
all technIcal and warrantY questIons: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE
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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. 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 who
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General safetY InforMatIon 3
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General safetY InforMatIon at least 18" (45.7 cm) above the floor. This will reduce, but not eliminate, the risk 4
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taBle of contents SAFE INSTALLATION, USE AND SERVICE........................................ 2 Vent Pipe Assembly .................................................................... 19 APPROVALS ........................................................................................ 2 Venting ....................................................................................... 19 GENERAL SAFETY INFORMATION ................................................. 3-4 Vent Pipe Termination .........
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InstallatIon requIreMents for the coMMonwealth of Massachusetts coMMonwealth of Massachusetts InspectIon The state or local gas inspector of the side wall horizontally For all side wall terminated, horizontally vented power vent, direct vented gas fueled equipment shall not approve the installation vent, and power direct vent gas fueled water heaters installed in unless, upon inspection, the inspector observes carbon monoxide every dwelling, building or structure used in whole or in part fo
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tYpIcal InstallatIon Get to Know Your water heater - Gas Models a v ent pipe hh Bushing q rating plate B anode II nipple r Insulation c hot w ater outlet jj condensate t ee s v ent t erminal D Outlet (120 VAC) KK adapter t drain v alve f Gas supply ll plug u Igniter and Main Burner G Main Manual Gas shut off v alve MM vent pipe assembly #1 w drain pan h Ground joint union nn v ent pipe assembly #2 X control j dirt leg oo v ent pipe assembly #3 Y control harness* K outer door
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tYpIcal InstallatIon condensate hose and draIn pan FIGURE 1 (continued). 8
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tYpIcal InstallatIon MIXInG valve / therMal eXpansIon tanK usaGe and space heatInG fIGure 2. Mixing valves are available at plumbing supply stores. Consult a MIXInG v alves Qualified Installer or Service Agency . Follow mixing valve manufacturer’ s instructions for installation of the valves. taBle 1. Water temperature over 125°F (52°C) DANGER can cause severe burns instantly Time to Produce 2nd & 3rd Water Temperature resulting in severe injury or death. Degree Burns on Adult Skin C
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rouGh-In-dIMensIons rough-In-dimensions T op/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 t emperature rise Indicated Recovery capacity based on 90% thermal effici
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locatInG the new water heater f acts 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. this water heater is not for use in manufactured (mobile) homes or outdoor installation. Whether replacing an old water heater or putting the water heater in a new location, the following critical points must be
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in an alcove or closet, the entire floor must be covered by the panel. If this water heater will be used in beauty shops, barber shops, Failure to heed this warning may result in a fire hazard. cleaning establishments, or self-service laundries with dry cleaning equipment, it is imperative that the water heater or water heaters be installed so that combustion and ventilation air be taken from outside these areas. Propellant s of aerosol sprays and volat ile compounds,
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Such a condition often will result in a yellow, luminous burner free area and metal louvers and grilles will have 75% free area. Non flame, causing sooting of the combustion chamber, burners and motorized louvers and grilles shall be fixed in the open position. flue tubes and creates a risk of asphyxiation. fresh aIr openInGs for confIned spaces Do not install the water heater in a confined space unless an adequate supply of air for combustion and ventilation is brought
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Figure 7. The water heater shall have clearances of at least 1 inch T h e c o n fi n e d s p a c e s h a l l b e p r o v i d e d w i t h t w o p e r m a n e nt v e r t i c a l (25 mm) from the sides and back and 6 inches (150 mm) from the d u c t s , o n e c o m m e n c i n g w i t h i n 1 2 i n c h e s ( 3 0 0 m m ) o f t h e t o p a n d front of the appliance. The opening shall directly communicate with o n e c o m m e n c i n g w i t h i n 1 2 i n c h
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InstallInG the new water heater This water heater should not be connected to any heating systems or cheMIcal vapor corrosIon c o m p o n e n t (s) u s e d w i t h a n o n - p o t a b l e w a t e r h e a t i n g a p p l i a n c e . CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY All piping components connected to this unit for space heating OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL applications should be suitable for use with potable water. VAPORS. SUCH CORROSION MAY R
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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
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discharge opening must not be blocked or reduced in size under hIGh altItude InstallatIon 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. Do not connect discharge piping directly to the drain unless a 6” (15.2 cm) air gap is provided. T
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A gas line of sufficient size must be run to the water heater . Consult sedIMent traps the current edition of National Fuel Gas Code (ANSI Z223.1/NFP A 54) or the Natural Gas and Propane Installation Code (CAN/CSA B149.1) and your gas supplier concerning pipe size. There must be: • A readi ly accessible manual shut of f valve in the gas supply line serving the water heater, and • A drip leg (sediment trap) ahead of gas control val
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Never use this water heater unless it is completely full of water. To should be appro ximately 0. 25” ( 0.6 4 c m ) , see Figure 16. Disassemble p r e v e nt d a m a g e t o t h e t a n k , t h e t a n k m u s t b e fi l l e d w i t h w a t e r . W a t e r the parts and cement back together using the alignment marks. After m u s t fl o w f r o m t h e h o t w a t e r f a u c et b e f o r e t u r n i n g “ O N ” g a s t o t h e the cement dries, attach the a
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v v terMInatIon clearances sIdewall power vent POWER VENT (using room air for combustion) EXTERIOR CLEARANCES FOR SIDEWALL VENT TERMINATION D E L B VENT TERMINAL AIR SUPPLY INLETAREA WHERE TERMINAL IS NOT PERMITTED V X fIGure 15. Vent terminal clearances for “Power Vent” installations. Power Vent configurations use room air for combustion. 1 2 1 2 canadIan InstallatIons us InstallatIons canadIan InstallatIons us InstallatIons Clearance to each side 3 feet (91 cm) within a Clearance above gra
