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Instruction Manual
resIdentIal Gas water heaters
power vented Gas Models w /hot surface IGnItIon
NOT FOR USE IN MANUFACTURED (MOBILE) HOMES
Model vG6250t76nv serIes 100
www.americanwaterheater.com
American Water Heater
Johnson City, TN 37605
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 WRITE TO
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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 Filling the Water Heater ................................................................17-18 APPROVALS ................................................................................................2 Vent Pipe Assembly ...........................................................................18 GENERAL SAFETY INFORMATION .........................................................3-4 Venting .
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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 h h 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) K K adapter t drain v alve f Gas supply ll plug u Igniter and Main Burner G Main Manual Gas shuttoff v alve MM vent pipe assembly #1 w drain pan h Ground joint union nn v ent pipe assembly #2 X Gas control v alve j dirt leg oo v ent pipe assembly #3 Y control harness*
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tYpIcal InstallatIon condensate hose and draIn pan fIGure 1a. 8
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tYpIcal InstallatIon MIXInG valve / therMal eXpansIon tanK usaGe and space heatInG fIGure 2. h e a t e r ( s e e F i g u r e 3 ) o r a t h o t w a t e r t a p s t o f u r t h e r r e d u c e s y s t e m MIXInG v alves water temperature. Mixing valves are available at plumbing supply stores. Consult a Water temperature over 125°F (52°C) Q u a l i fi e d I n s t a l l e r o r S e r v i c e A g e n c y . F o l l o w m i x i n g v a l v e m a n u f a c t u r
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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. t his 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 b
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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. P r o p e l l a n t s o f a e r o s o l s p r a y s a n
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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 should be fixed in the open position. flue tubes and creates a risk of asphyxiation. fresh aIr openInGs for confIned spaces D o n o t i n s t a l l t h e w a t e r h e a t e r i n a c o n fi n e d s p a c e u n l e s s a n adequate supply of air for
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Figure 7. The water heater should have clearances of at least 1 inch T h e c o n fi n e d s p a c e s h o u l d 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 ( 2 5 m m ) f r o m t h e s i d e s a n d b a c k a n d 6 i n c h e s ( 1 5 0 m m ) f r o m t h e f r o n t 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 of the appliance. The opening should directly communicate wi
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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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duct tape, electrical tape, or equivalent. IMPORTANT: The insulation therMal eXpansIon and tape must not block the discharge opening or hinder access to the A s w a t e r i s h e a t e d , i t e x p a n d s ( t h e r m a l e x p a n s i o n ) . I n a c l o s e d s y s t e m m a n u a l r e l i e f l e v e r ( F i g u r e 1 1 ) . E n s u r e a d i s c h a r g e p i p e i s i n s t a l l e d i n t o the volume of water will grow when it is heated
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discharge opening must not be blocked or reduced in size under any hIGh altItude InstallatIon c i r c u m s t a n c e s . E x c e s s i v e l e n g t h , o v e r 3 0 f e e t ( 9 . 1 4 m ) , o r u s e o f 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 c
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A gas line of sufficient size must be run to the water heater. sedIMent traps C o n s u l t t h e c u r r e nt e d i t i o n o f N a t i o n a l Fu e l G a s C o d e ( A N S I Z 2 2 3 . 1/ N F PA 5 4) a n d y o u r g a s s u p p l i e r c o n c e r n i n g p i p e s i ze . There must be: • A readily accessible manual shuttof f valve in the gas supply line serving the water heater, and • A drip leg (sediment trap) ahead of gas control
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Never use this water heater unless it is completely full of water. To prevent see Figure 16. Disassemble the parts and cement back together 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 m u s t fl o w f r o m using the alignment marks. After the cement dries, attach the the hot water faucet before turning “ON” gas to the water heater. assembly to the blower and the water heater exhaust using the supplied rubber
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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 INLET AREA WHERE TERMINAL IS NOT PERMITTED V X fIGure 15. Vent terminal clearances for “Power Vent” installations. Power Vent configurations use room air for combustion. us InstallatIons us InstallatIons Clearance above grade, veranda, porch, Clearance to each side of center line 3 feet (91 cm) within a height 15 feet (4.5
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of cracks or fractures, particularly at joints between elbows and other plannInG the vent sYsteM fi t t i n g s a n d s t r a i g h t r u n s o f v e n t p i p e . C h e c k s y s t e m f o r s i g n s o f s a g g i n g or other stresses in joints as a result of misalignment of any components Plan the route of the vent system from the discharge of the blower in system. If any of these conditions are found, they must be corrected in to the planned location of the vent
