Here is the industry standard thermostat wire color code used for most systems. The same power supply is connected to the lower thermostat and heating element following by the same circuit breaker and switch.
Everbilt T O D Style Upper Element Thermostat For Non Simultaneous Design Residential Electric Water Heaters
Upper thermostat wiring diagram. If old thermostat has 8 terminals as in figure 6 wire new 7 terminal thermostat per figure 5. Upper thermostat high temp. The wiring connection for both single phase 120v and 240v are same ie. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. The rh wire connects to the heating system. Green the green wire connects to the fan.
Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac. Black color is neutral while red is phase or line and the yellowgreen wire is used for ground earth. The green wire connects to the fan. This wire connects to your heat pump if applicable. Note that the wire indicated by the. The rc wire connects to the cooling system.
When upper water heater element done his work upper thermostat switch of the neutral wire to upper thermostat and provide the neutral wire to lower thermostat. The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal. Yellow the yellow wire connects to your compressor. L 1 is connected to the left side of both upper thermostat and lower thermostat l 3 via 50 amperes circuit breaker and 45 amperes switch. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. The yellow wire connects to your compressor.
Collection of wiring diagram for hot water heater thermostat. The basic heat ac system thermostat typically utilizes only 5 terminals. If old upper thermostat is a robertshaw control wire new upper thermostat per figure 2 noting that the physical location of the 2 and the 4 terminals are reversed for the new upper thermostat. As i shown in the below electric water heater wiring diagram. The white wire connects to your heat. The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral.
Limit eco upper heating element yellow black l1 junction red 1 3 1 2 black red lower thermostat 1 2 4 branch circuit to electrical. White the white wire is what connects to the auxiliary heat on your system. Both lines from the main db as power supply is connected to the thermostats and heating elements. It shows the elements of the circuit as simplified forms and also the power as well as signal connections between the tools. Wiring diagrams therm o disc thermostats type 59t single element double element simultaneous operation double element.
Gallery of Upper Thermostat Wiring Diagram
