Page 2 - safe InstallatIon, use and servIce; WARNING; IMportant defInItIons; offer service and inspection of appliances within the building.; approvals
2 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...
Page 3 - General safetY InforMatIon
Page 5 - thank You; qualIfIed Installer or servIce aGencY; read entIre Manual Before atteMptInG; IntroductIon
5 thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service.Abbreviations Found In This Instruction Manual: • CSA - Canadian Standards Association • ANSI - American National Standards Institute • NFPA - National Fire Protection As...
Page 7 - tYpIcal InstallatIon; Get to Know Your water heater - Gas Models; replaceMent parts and delIMInG
7 tYpIcal InstallatIon * cautIon harness has 120 vac. In operatIon. ** see “plannInG the vent sYsteM”, “condensate” and “Blower asseMBlY InstallatIon” for more information. *** the side recirculation loop connections may not be used as the primary water inlet and outlet connections. For your conveni...
Page 8 - condensate hose and draIn pan
8 tYpIcal InstallatIon condensate hose and draIn pan FIGURE 1 (continued).
Page 9 - MIXInG valves; DANGER; fIGure 3; MIXInG valve / therMal eXpansIon tanK usaGe and space heatInG
9 tYpIcal InstallatIon 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.Feel water before bathing or showering.Temperature l...
Page 10 - capacity and Gas and electrical characteristics
10 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 ma...
Page 11 - facts to consIder aBout the locatIon; this water heater is not for use in manufactured; locatInG the new water heater
11 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. this water heater is not for use in manufact...
Page 13 - unconfIned space; unusuallY tIGht constructIon; confIned space; dIrect vent applIances; fresh aIr openInGs for confIned spaces
13 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 broug...
Page 15 - InstallInG the new water heater
15 This water heater should not be connected to any heating systems or component(s) used with a non-potable water heating appliance. All piping components connected to this unit for space heating applications should be suitable for use with potable water. Toxic chemicals, such as those used for boil...
Page 16 - therMal eXpansIon; teMperature-pressure relIef valve; Explosion Hazard
16 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 fail...
Page 17 - CAUTION; Wa; hIGh altItude InstallatIon
17 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-Pre...
Page 18 - sedIMent traps
18 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...
Page 19 - vent pIpe asseMBlY
19 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 b...
Page 20 - terMInatIon clearances sIdewall power vent; POWER VENT; vent pIpe terMInatIon
20 terMInatIon clearances sIdewall power vent V X VENT TERMINAL AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED v v A G V FIXED CLOSED FIXED CLOSED OPERABLE OPERABLE V C B B B B F B V V A J V H M X X V V K B E D L POWER VENT (using room air for combustion) EXTERIOR CLEARANCES FOR SIDEWALL VENT...
Page 21 - plannInG the vent sYsteM; taBle 1; condensate; Breathing Hazard - Carbon Monoxide Gas
21 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 25 while planning the vent system.1. Layout total vent system to use a minimum of vent pipe and elbows.2. This water heater is...
Page 22 - Blower asseMBlY InstallatIon
22 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 dur...
Page 23 - cautIon
23 cautIon LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING. power vent wIrInG scheMatIc - fIGure 19. may be easier to mark both the inside and outside wall. Align holes by drilling a hol...
Page 24 - InstallatIon of vent sYsteM, sIdewall; InstallatIon of vertIcal vent sYsteM; IMportant
24 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...
Page 25 - fIGure 22: typical vertical Installation
25 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 manufact...
Page 28 - C. Test dry fit of the joint
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 insertio...
Page 29 - for Your safetY read Before operatInG; If you do not follow these instructions exactly, a fire or; operatInG InstructIons; to turn off Gas to applIance
29 for Your safetY read Before operatInG warnInG: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the b...
Page 30 - teMperature reGulatIon
30 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 wate...
Page 31 - for Your InforMatIon; start up condItIons
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 contracti...
Page 32 - perIodIc MaIntenance; Burner cleanInG
32 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 ve...
Page 33 - teMperature-pressure relIef valve test; do not pluG the teMperature-pressure relIef valve; draInInG and flushInG; to draIn the water heater storaGe tanK:
33 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 mus...
Page 34 - leaKaGe checKpoInts; servIce
34 leaKaGe checKpoInts Never use this water heater unless it is completely filled with 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. A *Condensation may be seen on pipes in humid weathe...
Page 35 - trouBleshootInG GuIdelInes; trouBle shootInG
35 trouBleshootInG GuIdelInes trouBle shootInG 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 proBleM solutIon Inadeq...
Page 36 - PROBLEM
36 trouBleshootInG GuIdelInes trouBle shootInG 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 PROBLEM SOLUTION Igniti...
Page 37 - B C D E F; ATE
37 trouBleshootInG GuIdelInes trouBle shootInG 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 PROBLEM SOLUTION 15 # L...
Page 39 - limited warranty
39 limited warranty A. O. Smith Corporation, 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 there...
