A hybrid water heater is a tank type heater thats equipped with an electric heat pump. Controlling of water heater using single pole switch.
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Water heater electrical diagram. 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 or 3 phase power supply l1 l2 l2 l2 l1. Click on the image to enlarge and then save it to your computer by right clicking on. 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. Electric water heaters require a 240 volt dedicated circuit which serves only the water heater and no other appliances or devices. To control a non continuous non simultaneous water heater using single way or one way switch we must use a 10 gauge wire size with a minimum 30 amp circuit breakerin our case we have connected the water heater directly to a 30 amperes single way switch which is protected by 30 amp circuit breaker from the main distribution board. At the water heater the black circuit wire connects to the black wire lead on the water heater and the white circuit wire connects to the white wire lead.
The wiring connection for both single phase 120v and 240v are same ie. 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. Assortment of rheem electric water heater wiring diagram. Here i a shown a electric water heater geyser in which two heater element instill upper and lower. Rheem electric water heater wiring diagram rheem electric water heater wiring diagram fresh 8 rheem electric. Black color is neutral while red is phase or line and the yellowgreen wire is used for ground earth.
The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral. The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal. The pump is mounted on top of the water storage tank and it uses a compact compressor and evaporator coil. Electric water heater wiring with diagrams explanation in this post i am gonna to show some diagram form which you can learn how to wire water heater or you will be able to do the connection of water heater thermostat and element. The circuit wiring typically includes a 30 amp double pole breaker and 10 2 non metallic nm or mc cable.
Gallery of Water Heater Electrical Diagram
