Electric Water Heater Thermostat Wiring

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.

Electric water heater thermostat wiring.

Working of a thermostat. Electric water heaters require a 240 volt dedicated circuit which serves only the water heater and no other appliances or devices. The thermostats tell the elements when to heat up. The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal.

Electric water heater wiring with diagrams explanation. 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 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. Black color is neutral while red is phase or line and the yellow green wire is used for ground earth.

In general there are three main components in an electric water heater. In this post i am gonna to share with some diagrams which clear your concept about the wiring of water heater geyser. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. Meaning that only one element is allowed to heat at a time.

One is the heating element second is the power switch to avoid overheating problem and the last one is the thermostat. Wiring diagrams for actual wiring circuit of unit reference circuit type listed on rating plate. We use water heater thermostat for controlling the water temperature. These thermostat we used for controlling the water heater element.

At the water heater the black circuit wire connects to the black wire. These are usually set up for non simultaneous operation. 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. Collection of wiring diagram for hot water heater thermostat.

The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral. It shows the elements of the circuit as simplified forms and also the power as well as signal connections between the tools. The circuit wiring typically includes a 30 amp double pole breaker and 10 2 non metallic nm or mc cable. Understanding water heater wiring.

Most residential water heaters have an upper and a lower thermostat.