Thermostat Wiring Diagrams Heating Only Thermostat Wiring Diagrams If you only have a furnace such as a gas furnace, oil furnace, electric furnace, or a boiler then you will use the following for simple thermostat wiring: Terminal R or terminal RH for the red wire. This originates from the transformer.
WIRING THE BOILER The load is now a boiler. (See Figure 4, page 20.) This wiring diagram shows 120 V coming from L1 of a circuit breaker, through a switch, powering a boiler control and returning through L2, back to the neutral bar of the circuit breaker box. This is fine if the boiler is 120 V.
When using Alternative Wiring diagram, wiring instructions must be followed so power originates from the boiler aquastat. Failure to follow these wiring instructions may result in a secondary source of power being connected to the boiler that may activate it under certain circumstances, causing injury or death.
The thermostat is the control device that provides a simple user interface with the internal workings of your homes climate control system. By the use of an adjustable set-point, the job of the thermostat is to turn on either the heating or cooling system to maintain the desired room temperature in the home, and to turn off the system when the desired temperature is achieved.
Collection of boiler wiring diagram for thermostat. A wiring diagram is a simplified conventional photographic depiction of an electrical circuit. It reveals the parts of the circuit as simplified shapes, and also the power and also signal connections between the gadgets.
brand boilers can do more, with less field wiring, and fewer aftermarket controls and components - improving the operation of both new and replacement boiler installations. These application drawings include detailed wiring diagrams, and set-up details, allowing installers to fully utilize the capability and