A.O. Smith W/HOT - Manuals

6 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 connec...

7 TYPICAL INSTALLATION CONDENSATE HOSE AND DRAIN PAN FIGURE 1 (continued). * Note: Condensate Trap Loops must be oriented in a vertical plane as shown. The traps also must be primed by filling half of the loop with water prior to operating the water heater.Carefully plan the location of the loops an...

9 TYPICAL INSTALLATION FIGURE 2. MIXING VALVE USAGE This appliance has been design certified as complying with AmericanNational Standard/CSA Standard for water heaters and is consideredsuitable for: Water (Potable) Heating and Space Heating: All models areconsidered suitable for water (potable) heat...

10 FACTS TO CONSIDER ABOUT THE LOCATION Carefully choose an indoor location for the new water heater, becausethe placement is a very important consideration for the safety of theoccupants in the building and for the most economical use of theappliance. This water heater is not for use in manufacture...

11 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 the water heater and combustibleconstruction are 0 inch at the sides and rear, 5.5" (14.0 cm) from the frontand 12" (30.5 cm) from the...

13 Water supply systems may, because of such events as high line pressure,frequent cut-offs, the effects of water hammer among others, haveinstalled devices such as pressure reducing valves, check valves, backflow preventers, etc. to control these types of problems. When thesedevices are not equippe...

14 Figure 10 shows the typical attachment of the water piping to thewater heater. The water heater is equipped with 3/4 inch NPT waterconnections. NOTE: If using copper tubing, solder tubing to an adapter beforeattaching the adapter to the water heater connections. Do notsolder the water lines direc...

15 GAS PIPING Make sure the gas supplied is the same type listed on the model ratingplate. The inlet gas pressure must not exceed 14 inch water column (3.5kPa) for natural and propane gas (L.P.). The minimum inlet gas pressureshown on the rating plate is that which will permit firing at rated input....

16 SEDIMENT TRAPS A sediment trap shall be installed as close to the inlet of the waterheater as practical at the time of water heater installation. Thesediment trap shall be either a tee fitting with a capped nipple in thebottom outlet or other device recognized as an effective sedimenttrap. If a t...

18 PLANNING THE VENT SYSTEM Plan the route of the vent system from the discharge of the blower tothe planned location of the vent terminal. 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" ...

19 The condensate trap may be primed by filling the CONDENSATE U-ASSEMBLY with tap water using the supplied hose while the waterheater is not operating. The system is fully primed when the hose islowered below the hose clamp on the side of the water heater andwater begins to flow out of the hose. In...

24 VENT PIPE PREPARATION 1. INITIAL PREPARATION A. Make sure the solvent cement you are planning to use isdesigned for the specific application you are attempting. B. Know the physical and chemical characteristics and limitations ofthe PVC and CPVC piping materials that you are about to use. C. Know...

26 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 oflife. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights thebur...

27 It is recommended that lower water temperatures be used to avoid therisk of scalding. It is further recommended, in all cases, that the watertemperature be set for the lowest temperature which satisfies yourhot water needs. This will also provide the most energy efficientoperation of the water he...

28 FOR YOUR INFORMATION START UP CONDITIONS SMOKE/ODORIt is not uncommon to experience a small amount of smoke andodor during the initial start-up. This is due to burning off of oil frommetal parts, and will disappear in a short while. THERMAL EXPANSION Water supply systems may, because of such even...

29 VENTING SYSTEM INSPECTION At least once a year a visual inspection should be made of the ventingsystem. You should look for: 1. O b s t r u c t i o n s w h i c h c o u l d c a u s e i m p r o p e r v e n t i n g . T h e combustion and ventilation air flow must not be obstructed. 2. Damage or dete...

31 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...

32 TROUBLESHOOTING GUIDELINES 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 - RESIDENTI...

33 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 - RESIDENTIAL CONTROL PROBLEM SOLUTION...

35 Limited Warranty A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1. THE TANKIf the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable watertherei...