Service and Adjustment, Temperature Regulation

SERVICE AND ADJUSTMENT

Temperature Regulation

HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others. These include the elderly, children, the infirm, or physically/mentally handicapped. If anyone using hot water in your home fits into one of these groups or if there is a local code or state law requiring a certain temperature water at the hot water tap, then you must take special precautions. In addition to using the lowest possible temperature setting that satisfies your hot water needs, some type of tempering device, such as a mixing valve, should be used at the hot water taps used by these people or at the water heater. Mixing valves are available at plumbing supply or hardware stores. Follow manufacturers instructions for installation of the valves, Before changing the factory setting of the thermostat see Temperature Settings table at right.

Never allow small children to use a hot water tap, or to draw their own bath water. Never leave a child or handicapped person unattended in a bathtub or shower.

Thermostats

The thermostats of this water heater have been factory set at a position which approximates 120°F (49°C), to reduce the risk of scald injury.

The upper thermostat is factory set at a position which approximates 120°F (49°C), and is adjustable if a different water temperature is desired. Read all warnings in this manual and on the water heating before proceeding.

ADJUSTABLE UPPER THERMOSTAT

FIGURE 26.

The lower thermostat is factory set at a position which approximates 120°F (49°C), and is adjustable if a different water temperature is desired. Read all warnings in this manual and on the water heating before proceeding.

FIGURE 27.

Temperature Settings

NOTE: Water temperature range of 120°—140°F (49°-60°C) recommended by most dishwasher manufacturers.

	Temperature Setting	Time to Produce 2nd and 3rd
	Temperature Setting	Degree Burns on Adult Skin
		Degree Burns on Adult Skin
	160°F (71°C)	About 1/2 second
	150°F (66°C)	About 1-1/2 seconds
	140° (60°C)	Less than 5 seconds
	130°F (54°C)	About 30 seconds
	120°F (49°C)	More than 5 minutes

Upper and Lower Thermostat Adjustments

(Refer to thermostat illustrations under “Thermostats” section)

NOTE: It is not necessary to adjust the upper thermostat. However, if it is adjusted above the factory set point of 120°F (49°C), it is recommended that it not be set higher than the lower thermostat setting.

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