A.O. Smith 6-119 - Manual

5 TYPICAL INSTALLATION FIGURE 1. UPRIGHTS / LOWBOYS COMPACTS TABLE TOPS I N S TALL VA C U U M R E L I E F I N C O L D WAT E R I N L E T L I N E ASREQUIRED BY LOCAL CODES. INSTALL SUITABLE DRAIN PANS UNDER HEATERS TO PREVENTD A M A G E D U E TO L E A K A G E . R E F E R TO WAT E R H E AT E RLOCAT I O...

6 MIXING VALVE USAGE Water (Potable) Heating: All models are considered suitable for water (potable) heating only. HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to atemperature which will satisfy space heating, clothes washing, dishwashing, and other sanitizin...

7 INSTALLING THE NEW WATER HEATER WATER PIPING HOTTER WATER CAN SCALD:Water heaters are intended to produce hot water. Water heated to atemperature which will satisfy space heating, clothes washing, dishwashing, cleaning and other sanitizing needs can scald and permanentlyinjure you upon contact. So...

8 NOTE: To protect against untimely corrosion of hot and cold water fittings, it is strongly recommended that di-electric unionsor couplings be installed on this water heater when connectedto copper pipe. Figure 3 shows the typical attachment of the water piping to the waterheater. The water heater ...

9 TEMPERATURE- PRESSURE RELIEF VALVE This heater is provided with a properly certified combinationtemperature - pressure relief valve by the manufacturer. The valve is certified by a nationally recognized testing laboratoryt h a t m a i n t a i n s p e r i o d i c i n s p e c t i o n o f p r o d u c...

11 WIRING DIAGRAMS FOR ACTUAL WIRING CIRCUIT OF UNIT - REFERENCE CIRCUIT TYPE LISTED ON RATING PLATE. FIGURE 6.

12 WIRING Never use water heater unless it is completely full of water. To preventdamage to the tank and heating element, the tank must be filledwith water. Water must flow from the hot water faucet before turningon power. You must provide all wiring of the proper size outside of the waterh e a t e ...

13 TEMPERATURE ADJUSTMENT To change the temperature setting: NOTE: It is not necessary to adjust the upper thermostat. However, ifit is adjusted above the factory set point (120°F (49°C)) it isrecommended that it not be set higher than the lower thermostat setting. 1. Turn off the heater electrical ...

14 THERMAL EXPANSION Water supply systems may, because of such events as high linepressure, frequent cut-offs, the effects of water hammer among others,have installed devices such as pressure reducing valves, check valves,back flow preventers, etc. to control these types of problems. Whenthese devic...

15 If after manually operating the valve, it fails to completely reset andcontinues to release water, immediately close the cold water inlet tothe water heater, follow the draining instructions, and replace thetemperature-pressure relief valve with a new one. If the temperature-pressure relief valve...

16 1. Turn “OFF” the electric power supply to the water heater. 2. Remove the outer door. Remove or fold up the insulation pad. 3. A. Models with lower thermostat without high limit: Lift out the tab as shown below to unclip the terminal coverfrom the thermostat. The terminal cover can now beremoved...

19 LEAKAGE CHECKPOINTS Read this manual first. Then before checking the water heater makesure the electrical power supply has been turned “OFF” beforechecking the tank for leakage. *A. Condensation and dripping may be seen on pipes if the water temperature is low in humid weather or pipe connections...

20 Tighten threaded connections. Inspect other appliances near water heater. Turn on electrical switch. Check for blownfuses or tripped breaker. Reset. Check for source of trouble and correct. Replace thermostat. Replace thermostats. Replace element. Replace thermostats. Set thermostats to desired t...

21 REPAIR PARTS LIST LOWBOY AND UPRIGHT ELECTRIC MODELS(Single and Dual Element) Key No. Part Description 1 Temperature-Pressure Relief Valve 2 Secondary Anode Rod/Nipple w/Heat Trap* 3 Element w/Gasket 4 Element Gasket 5 Lower Outer Door 6 Terminal Cover (Double Element) 7 Upper Thermostat w/Hi Lim...

22 REPAIR PARTS LIST WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THEFOLLOWING INFORMATION: • MODEL NUMBER • SERIAL NUMBER • VOLTAGE AND ELEMENT WATTAGE • PART DESCRIPTION THIS IS A REPAIR PARTS LIST, NOT A PACKING LIST. Now that you have purchased this water heater, should a needever exist for repair pa...

23 REPAIR PARTS LIST TABLE TOP ELECTRIC MODELS Key No. Part Description 1 Porcelain Top 2 Temperature and Pressure Relief Valve 3 Primary Anode Rod 4 Upper Thermostat w/Hi Limit 5 Dip Tube 6 Element w/Gasket 7 Element Gasket 8 Thermostat Bracket (ea.) 9 Terminal Cover 10 Outer Door (ea.) 11 Lower Th...

24 RESIDENTIAL ELECTRIC WARRANTY THIS WARRANTY IS APPLICABLE TO THE ORIGINALOWNER ONLY. In accordance with the warranty terms andconditions specified below. A. O. Smith Corporation (the warrantor) will furnish theORIGINAL OWNER, 1) a replacement A. O. Smith waterheater of equivalent size and current...