Specifications

Electric Water Heater Operation

Eventually the cold water mixes with the hot lowering the

temperature to below the lower thermostat seng and

the boom element is energized. If enough water is drawn

to cool the upper third of the tank, the upper thermostat

will send power to the upper element rst. When the

upper third of the tank is heated, power will again be

switched to the lower element.

If the upper element burns out, the water heater will

cease to funcon because the upper thermostat will never

be sased and power will never be switched to the lower

element.

If water temperature in the tank reaches 170°F, the

manual reset high limit switch will be tripped. This switch

can be reset by rmly pushing the red buon above the

upper thermostat. (See photo and wiring diagram on page

7.)

Single element water heaters have one element mounted

at the boom of the tank controlled by a single

thermostat and high limit switch.

When installing a new electric water heater or following

draining the tank for maintenance purposes, the tank

should be completely re-lled before applying power to

the elements. Energizing a heang element that is not fully

submerged in water is referred to as "dry ring," and will

cause the element to immediately burn out.

New element

Dry Fired