Water Heater Thermostat Wiring Diagram

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.

Water heater thermostat wiring diagram.

Single phase 120v non continues dual element water heater thermostat wiring. Thermostat wiring diagram gallery. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. 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.

The thermostat can be mounted directly on the heater itself or it can be mounted on the wall so that the circuit wiring passes through the thermostat first on the way to. 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. We use water heater thermostat for controlling the water temperature. Unlike the low voltage thermostats that control central heating and air conditioning systems electric baseboard heaters use line voltage thermostats that are installed as part of the full voltage circuit powering the heater.

The wiring connection for both single phase 120v and 240v are same i e. In most cases the limit switch and the thermostat share a plastic housing. Electric water heater wiring with diagrams explanation. An electric water heater s wiring diagram enables someone to completely rewire a water heater even after removing all of the wires and parts.

The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal. Black color is neutral while red is phase or line and the yellow green wire is used for ground earth. In the electric water heaters and thermostat wiring and installation series we will be showing that how to wire and install a non simultaneous non continuous dual element water heater and thermostat for 120v ac single phase us and 230v ac single phase eu uk. Water heaters contain three basic electrical components.

These thermostat we used for controlling the water heater element. In this post i am gonna to share with some diagrams which clear your concept about the wiring of water heater geyser. Safety mat wiring diagram elegant amazing robertshaw thermostat. The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral.

Elements thermostats and a high temperature limit switch. Collection of wiring diagram for hot water heater thermostat.