Single Element Electric Water Heater Thermostat Wiring Diagram

If the heater produces a small quantity of hot water check the lower thermostat and heating element.

Single element electric water heater thermostat wiring diagram. The wiring connection for both single phase 120v and 240v are same i e. The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral. Press the button then wait about 10 minutes for the water to warm. Wiring diagrams residential electric water heaters current production 315267 000 time clock switch operates bottom element only to power supply to time clock switch off peak meter operates to power supply to off peak clock 2 wire 1 phase non simultaneous operation from 3 wire heater junction box black blue yellow to off peak.

Collection of wiring diagram for hot water heater thermostat. In the above diagram i shown that the upper water heater element is switched off and lower heater element is switch on. 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. Test the thermostat with a voltmeter and replace it if you don t detect any voltage.

Black color is neutral while red is phase or line and the yellow green wire is used for ground earth. The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal.