Electric Water Heater Upper Thermostat Wiring

A wiring diagram is a simplified standard pictorial representation of an electrical circuit.

Electric water heater upper thermostat wiring.

Note that these element is 220 volts ratings and you can also 440 volts heater elements but you need to provide the line supply my mean to lines or two hot wires supply 440 volts. See troubleshooting electric hot water heaters or water heater element testing for other related topics. 230v and 240v continues dual element electric water heater thermostat wiring. It shows the elements of the circuit as simplified forms and also the power as well as signal connections between the tools.

Wiring an electric water heater also includes the thermostats. In the electric water heater and thermostat wiring series we will be showing the continuous i e. The thermostats tell the elements when to heat up. When power is initially turned on to the unit the upper element is energized and heats the water in the upper third of the tank see figure 1.

Collection of wiring diagram for hot water heater thermostat. The electric heater has a total of two thermostats each performing distinct functions. You may see the previsions post for. Upper thermostat makes it possible for you to have cold water supply when you turn on the tap of hot water.

An electric hot water heater has two thermostats controlling two separate heating elements one in the upper half of the tank one in the lower half. Structure of water heater. The standard residential electric water heater control circuit consists of a manual reset high limit switch an upper thermostat lower thermostat two heating elements and wires. The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal.

When the upper element works and the lower one does not you have a low supply of hot water. In the above diagram i shown that the upper water heater element is switched off and lower heater element is switch on. These are usually set up for non simultaneous operation. Meaning that only one element is allowed to heat at a time.

Whatever is the case you need to learn about the basics of how a water heater works. Usually when the upper thermostat goes bad you will have no hot water at all while a bad lower thermostat makes itself known when there is only a small amount of hot water before the tap water goes cold. Most residential water heaters have an upper and a lower thermostat. The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral.

Black color is neutral while red is phase or line and the yellow green wire is used for ground earth.